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
[ 72, 55, 2, 64 ]
65
[ "72+55=127", "64-2=62", "127-62=65" ]
Current State: 65:[72, 55, 2, 64], Operations: [] Exploring Operation: 72+55=127, Resulting Numbers: [2, 64, 127] Generated Node #2: [2, 64, 127] from Operation: 72+55=127 Current State: 65:[2, 64, 127], Operations: ['72+55=127'] Exploring Operation: 64-2=62, Resulting Numbers: [127, 62] Generated Node #3: [127, 62] from Operation: 64-2=62 Current State: 65:[127, 62], Operations: ['72+55=127', '64-2=62'] Exploring Operation: 127-62=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[72, 55, 2, 64], Operations: [] Exploring Operation: 72-55=17, Resulting Numbers: [2, 64, 17] Generated Node #0,0: 65:[2, 64, 17] Operation: 72-55=17 Exploring Operation: 64-55=9, Resulting Numbers: [72, 2, 9] Generated Node #0,1: 65:[72, 2, 9] Operation: 64-55=9 Moving to Node #0,0 Current State: 65:[2, 64, 17], Operations: ['72-55=17'] Exploring Operation: 2+64=66, Resulting Numbers: [17, 66] Generated Node #0,0,0: 65:[17, 66] Operation: 2+64=66 Exploring Operation: 17-2=15, Resulting Numbers: [64, 15] Generated Node #0,0,1: 65:[64, 15] Operation: 17-2=15 Moving to Node #0,1 Current State: 65:[72, 2, 9], Operations: ['64-55=9'] Exploring Operation: 72/9=8, Resulting Numbers: [2, 8] Generated Node #0,1,0: 65:[2, 8] Operation: 72/9=8 Exploring Operation: 72-9=63, Resulting Numbers: [2, 63] Generated Node #0,1,1: 65:[2, 63] Operation: 72-9=63 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 65:[2, 63], Operations: ['64-55=9', '72-9=63'] Exploring Operation: 2+63=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[72, 55, 2, 64], Operations: [] Exploring Operation: 64-55=9, Resulting Numbers: [72, 2, 9] Generated Node #0,1: 65:[72, 2, 9] Operation: 64-55=9 Moving to Node #0,1 Current State: 65:[72, 2, 9], Operations: ['64-55=9'] Exploring Operation: 72-9=63, Resulting Numbers: [2, 63] Generated Node #0,1,1: 65:[2, 63] Operation: 72-9=63 Moving to Node #0,1,1 Current State: 65:[2, 63], Operations: ['64-55=9', '72-9=63'] Exploring Operation: 2+63=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 98, 87, 97, 22 ]
65
[ "98-97=1", "87-22=65", "1*65=65" ]
Current State: 65:[98, 87, 97, 22], Operations: [] Exploring Operation: 98-97=1, Resulting Numbers: [87, 22, 1] Generated Node #2: [87, 22, 1] from Operation: 98-97=1 Current State: 65:[87, 22, 1], Operations: ['98-97=1'] Exploring Operation: 87-22=65, Resulting Numbers: [1, 65] Generated Node #3: [1, 65] from Operation: 87-22=65 Current State: 65:[1, 65], Operations: ['98-97=1', '87-22=65'] Exploring Operation: 1*65=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[98, 87, 97, 22], Operations: [] Exploring Operation: 98-97=1, Resulting Numbers: [87, 22, 1] Generated Node #0,0: 65:[87, 22, 1] Operation: 98-97=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[87, 22, 1], Operations: ['98-97=1'] Exploring Operation: 87-22=65, Resulting Numbers: [1, 65] Generated Node #0,0,0: 65:[1, 65] Operation: 87-22=65 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 65:[1, 65], Operations: ['98-97=1', '87-22=65'] Exploring Operation: 1*65=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[98, 87, 97, 22], Operations: [] Exploring Operation: 98-97=1, Resulting Numbers: [87, 22, 1] Generated Node #0,0: 65:[87, 22, 1] Operation: 98-97=1 Moving to Node #0,0 Current State: 65:[87, 22, 1], Operations: ['98-97=1'] Exploring Operation: 87-22=65, Resulting Numbers: [1, 65] Generated Node #0,0,0: 65:[1, 65] Operation: 87-22=65 Moving to Node #0,0,0 Current State: 65:[1, 65], Operations: ['98-97=1', '87-22=65'] Exploring Operation: 1*65=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 75, 10, 36, 45 ]
75
[ "10+36=46", "46-45=1", "75*1=75" ]
Current State: 75:[75, 10, 36, 45], Operations: [] Exploring Operation: 10+36=46, Resulting Numbers: [75, 45, 46] Generated Node #2: [75, 45, 46] from Operation: 10+36=46 Current State: 75:[75, 45, 46], Operations: ['10+36=46'] Exploring Operation: 46-45=1, Resulting Numbers: [75, 1] Generated Node #3: [75, 1] from Operation: 46-45=1 Current State: 75:[75, 1], Operations: ['10+36=46', '46-45=1'] Exploring Operation: 75*1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[75, 10, 36, 45], Operations: [] Exploring Operation: 75-45=30, Resulting Numbers: [10, 36, 30] Generated Node #0,0: 75:[10, 36, 30] Operation: 75-45=30 Exploring Operation: 36+45=81, Resulting Numbers: [75, 10, 81] Generated Node #0,1: 75:[75, 10, 81] Operation: 36+45=81 Exploring Operation: 36-10=26, Resulting Numbers: [75, 45, 26] Generated Node #0,2: 75:[75, 45, 26] Operation: 36-10=26 Exploring Operation: 45-36=9, Resulting Numbers: [75, 10, 9] Generated Node #0,3: 75:[75, 10, 9] Operation: 45-36=9 Start Sub Search at level 1: Moving to Node #0,3 Current State: 75:[75, 10, 9], Operations: ['45-36=9'] Exploring Operation: 75-10=65, Resulting Numbers: [9, 65] Generated Node #0,3,0: 75:[9, 65] Operation: 75-10=65 Exploring Operation: 10+9=19, Resulting Numbers: [75, 19] Generated Node #0,3,1: 75:[75, 19] Operation: 10+9=19 Exploring Operation: 10-9=1, Resulting Numbers: [75, 1] Generated Node #0,3,2: 75:[75, 1] Operation: 10-9=1 Exploring Operation: 75+10=85, Resulting Numbers: [9, 85] Generated Node #0,3,3: 75:[9, 85] Operation: 75+10=85 Moving to Node #0,3,2 Current State: 75:[75, 1], Operations: ['45-36=9', '10-9=1'] Exploring Operation: 75-1=74, Resulting Numbers: [74] 74,75 unequal: No Solution Exploring Operation: 75/1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[75, 10, 36, 45], Operations: [] Exploring Operation: 45-36=9, Resulting Numbers: [75, 10, 9] Generated Node #0,3: 75:[75, 10, 9] Operation: 45-36=9 Moving to Node #0,3 Current State: 75:[75, 10, 9], Operations: ['45-36=9'] Exploring Operation: 10-9=1, Resulting Numbers: [75, 1] Generated Node #0,3,2: 75:[75, 1] Operation: 10-9=1 Moving to Node #0,3,2 Current State: 75:[75, 1], Operations: ['45-36=9', '10-9=1'] Exploring Operation: 75/1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 93, 75, 54, 3 ]
48
[ "93-75=18", "18/3=6", "54-6=48" ]
Current State: 48:[93, 75, 54, 3], Operations: [] Exploring Operation: 93-75=18, Resulting Numbers: [54, 3, 18] Generated Node #2: [54, 3, 18] from Operation: 93-75=18 Current State: 48:[54, 3, 18], Operations: ['93-75=18'] Exploring Operation: 18/3=6, Resulting Numbers: [54, 6] Generated Node #3: [54, 6] from Operation: 18/3=6 Current State: 48:[54, 6], Operations: ['93-75=18', '18/3=6'] Exploring Operation: 54-6=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[93, 75, 54, 3], Operations: [] Exploring Operation: 93-75=18, Resulting Numbers: [54, 3, 18] Generated Node #0,0: 48:[54, 3, 18] Operation: 93-75=18 Exploring Operation: 93/3=31, Resulting Numbers: [75, 54, 31] Generated Node #0,1: 48:[75, 54, 31] Operation: 93/3=31 Exploring Operation: 93-54=39, Resulting Numbers: [75, 3, 39] Generated Node #0,2: 48:[75, 3, 39] Operation: 93-54=39 Moving to Node #0,0 Current State: 48:[54, 3, 18], Operations: ['93-75=18'] Exploring Operation: 54-3=51, Resulting Numbers: [18, 51] Generated Node #0,0,0: 48:[18, 51] Operation: 54-3=51 Exploring Operation: 54/3=18, Resulting Numbers: [18, 18] Generated Node #0,0,1: 48:[18, 18] Operation: 54/3=18 Exploring Operation: 54/18=3, Resulting Numbers: [3, 3] Generated Node #0,0,2: 48:[3, 3] Operation: 54/18=3 Moving to Node #0,2 Current State: 48:[75, 3, 39], Operations: ['93-54=39'] Exploring Operation: 75-39=36, Resulting Numbers: [3, 36] Generated Node #0,2,0: 48:[3, 36] Operation: 75-39=36 Exploring Operation: 39/3=13, Resulting Numbers: [75, 13] Generated Node #0,2,1: 48:[75, 13] Operation: 39/3=13 Exploring Operation: 75/3=25, Resulting Numbers: [39, 25] Generated Node #0,2,2: 48:[39, 25] Operation: 75/3=25 Moving to Node #0,1 Current State: 48:[75, 54, 31], Operations: ['93/3=31'] Exploring Operation: 75-54=21, Resulting Numbers: [31, 21] Generated Node #0,1,0: 48:[31, 21] Operation: 75-54=21 Exploring Operation: 75-31=44, Resulting Numbers: [54, 44] Generated Node #0,1,1: 48:[54, 44] Operation: 75-31=44 Exploring Operation: 54-31=23, Resulting Numbers: [75, 23] Generated Node #0,1,2: 48:[75, 23] Operation: 54-31=23 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 48:[31, 21], Operations: ['93/3=31', '75-54=21'] Exploring Operation: 31+21=52, Resulting Numbers: [52] 52,48 unequal: No Solution Exploring Operation: 31*21=651, Resulting Numbers: [651] 651,48 unequal: No Solution Exploring Operation: 31-21=10, Resulting Numbers: [10] 10,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 48:[54, 44], Operations: ['93/3=31', '75-31=44'] Exploring Operation: 54-44=10, Resulting Numbers: [10] 10,48 unequal: No Solution Exploring Operation: 54*44=2376, Resulting Numbers: [2376] 2376,48 unequal: No Solution Exploring Operation: 54+44=98, Resulting Numbers: [98] 98,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 48:[75, 23], Operations: ['93/3=31', '54-31=23'] Exploring Operation: 75+23=98, Resulting Numbers: [98] 98,48 unequal: No Solution Exploring Operation: 75*23=1725, Resulting Numbers: [1725] 1725,48 unequal: No Solution Exploring Operation: 75-23=52, Resulting Numbers: [52] 52,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 48:[3, 3], Operations: ['93-75=18', '54/18=3'] Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,48 unequal: No Solution Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,48 unequal: No Solution Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,48 unequal: No Solution Moving to Node #0,0,1 Current State: 48:[18, 18], Operations: ['93-75=18', '54/3=18'] Exploring Operation: 18+18=36, Resulting Numbers: [36] 36,48 unequal: No Solution Exploring Operation: 18/18=1, Resulting Numbers: [1] 1,48 unequal: No Solution Exploring Operation: 18-18=0, Resulting Numbers: [0] 0,48 unequal: No Solution Moving to Node #0,0,0 Current State: 48:[18, 51], Operations: ['93-75=18', '54-3=51'] Exploring Operation: 51-18=33, Resulting Numbers: [33] 33,48 unequal: No Solution Exploring Operation: 18*51=918, Resulting Numbers: [918] 918,48 unequal: No Solution Exploring Operation: 18+51=69, Resulting Numbers: [69] 69,48 unequal: No Solution Moving to Node #0,2,2 Current State: 48:[39, 25], Operations: ['93-54=39', '75/3=25'] Exploring Operation: 39*25=975, Resulting Numbers: [975] 975,48 unequal: No Solution Exploring Operation: 39-25=14, Resulting Numbers: [14] 14,48 unequal: No Solution Exploring Operation: 39+25=64, Resulting Numbers: [64] 64,48 unequal: No Solution Moving to Node #0,2,0 Current State: 48:[3, 36], Operations: ['93-54=39', '75-39=36'] Exploring Operation: 3+36=39, Resulting Numbers: [39] 39,48 unequal: No Solution Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,48 unequal: No Solution Exploring Operation: 36/3=12, Resulting Numbers: [12] 12,48 unequal: No Solution Moving to Node #0,2,1 Current State: 48:[75, 13], Operations: ['93-54=39', '39/3=13'] Exploring Operation: 75+13=88, Resulting Numbers: [88] 88,48 unequal: No Solution Exploring Operation: 75*13=975, Resulting Numbers: [975] 975,48 unequal: No Solution Exploring Operation: 75-13=62, Resulting Numbers: [62] 62,48 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 70, 85, 29, 35 ]
54
[ "70/35=2", "85-29=56", "56-2=54" ]
Current State: 54:[70, 85, 29, 35], Operations: [] Exploring Operation: 70/35=2, Resulting Numbers: [85, 29, 2] Generated Node #2: [85, 29, 2] from Operation: 70/35=2 Current State: 54:[85, 29, 2], Operations: ['70/35=2'] Exploring Operation: 85-29=56, Resulting Numbers: [2, 56] Generated Node #3: [2, 56] from Operation: 85-29=56 Current State: 54:[2, 56], Operations: ['70/35=2', '85-29=56'] Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[70, 85, 29, 35], Operations: [] Exploring Operation: 85-29=56, Resulting Numbers: [70, 35, 56] Generated Node #0,0: 54:[70, 35, 56] Operation: 85-29=56 Exploring Operation: 70/35=2, Resulting Numbers: [85, 29, 2] Generated Node #0,1: 54:[85, 29, 2] Operation: 70/35=2 Exploring Operation: 85-70=15, Resulting Numbers: [29, 35, 15] Generated Node #0,2: 54:[29, 35, 15] Operation: 85-70=15 Exploring Operation: 70-35=35, Resulting Numbers: [85, 29, 35] Generated Node #0,3: 54:[85, 29, 35] Operation: 70-35=35 Exploring Operation: 85-35=50, Resulting Numbers: [70, 29, 50] Generated Node #0,4: 54:[70, 29, 50] Operation: 85-35=50 Start Sub Search at level 1: Moving to Node #0,2 Current State: 54:[29, 35, 15], Operations: ['85-70=15'] Exploring Operation: 35+15=50, Resulting Numbers: [29, 50] Generated Node #0,2,0: 54:[29, 50] Operation: 35+15=50 Exploring Operation: 29+35=64, Resulting Numbers: [15, 64] Generated Node #0,2,1: 54:[15, 64] Operation: 29+35=64 Exploring Operation: 35-15=20, Resulting Numbers: [29, 20] Generated Node #0,2,2: 54:[29, 20] Operation: 35-15=20 Exploring Operation: 29-15=14, Resulting Numbers: [35, 14] Generated Node #0,2,3: 54:[35, 14] Operation: 29-15=14 Exploring Operation: 35-29=6, Resulting Numbers: [15, 6] Generated Node #0,2,4: 54:[15, 6] Operation: 35-29=6 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 54:[15, 6], Operations: ['85-70=15', '35-29=6'] Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,54 unequal: No Solution Exploring Operation: 15*6=90, Resulting Numbers: [90] 90,54 unequal: No Solution Exploring Operation: 15+6=21, Resulting Numbers: [21] 21,54 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 #0,2,2 Current State: 54:[29, 20], Operations: ['85-70=15', '35-15=20'] Exploring Operation: 29-20=9, Resulting Numbers: [9] 9,54 unequal: No Solution Exploring Operation: 29*20=580, Resulting Numbers: [580] 580,54 unequal: No Solution Exploring Operation: 29+20=49, Resulting Numbers: [49] 49,54 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 #0,2,0 Current State: 54:[29, 50], Operations: ['85-70=15', '35+15=50'] Exploring Operation: 29*50=1450, Resulting Numbers: [1450] 1450,54 unequal: No Solution Exploring Operation: 50-29=21, Resulting Numbers: [21] 21,54 unequal: No Solution Exploring Operation: 29+50=79, Resulting Numbers: [79] 79,54 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 #0,2,3 Current State: 54:[35, 14], Operations: ['85-70=15', '29-15=14'] Exploring Operation: 35*14=490, Resulting Numbers: [490] 490,54 unequal: No Solution Exploring Operation: 35+14=49, Resulting Numbers: [49] 49,54 unequal: No Solution Exploring Operation: 35-14=21, Resulting Numbers: [21] 21,54 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 #0,2,1 Current State: 54:[15, 64], Operations: ['85-70=15', '29+35=64'] Exploring Operation: 15+64=79, Resulting Numbers: [79] 79,54 unequal: No Solution Exploring Operation: 64-15=49, Resulting Numbers: [49] 49,54 unequal: No Solution Exploring Operation: 15*64=960, Resulting Numbers: [960] 960,54 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 #0,4 Current State: 54:[70, 29, 50], Operations: ['85-35=50'] Exploring Operation: 70+29=99, Resulting Numbers: [50, 99] Generated Node #0,4,0: 54:[50, 99] Operation: 70+29=99 Exploring Operation: 70-29=41, Resulting Numbers: [50, 41] Generated Node #0,4,1: 54:[50, 41] Operation: 70-29=41 Exploring Operation: 50-29=21, Resulting Numbers: [70, 21] Generated Node #0,4,2: 54:[70, 21] Operation: 50-29=21 Exploring Operation: 70-50=20, Resulting Numbers: [29, 20] Generated Node #0,4,3: 54:[29, 20] Operation: 70-50=20 Exploring Operation: 29+50=79, Resulting Numbers: [70, 79] Generated Node #0,4,4: 54:[70, 79] Operation: 29+50=79 Moving to Node #0,4,3 Current State: 54:[29, 20], Operations: ['85-35=50', '70-50=20'] Exploring Operation: 29-20=9, Resulting Numbers: [9] 9,54 unequal: No Solution Exploring Operation: 29+20=49, Resulting Numbers: [49] 49,54 unequal: No Solution Exploring Operation: 29*20=580, Resulting Numbers: [580] 580,54 unequal: No Solution Moving to Node #0,4,1 Current State: 54:[50, 41], Operations: ['85-35=50', '70-29=41'] Exploring Operation: 50+41=91, Resulting Numbers: [91] 91,54 unequal: No Solution Exploring Operation: 50-41=9, Resulting Numbers: [9] 9,54 unequal: No Solution Exploring Operation: 50*41=2050, Resulting Numbers: [2050] 2050,54 unequal: No Solution Moving to Node #0,4,2 Current State: 54:[70, 21], Operations: ['85-35=50', '50-29=21'] Exploring Operation: 70*21=1470, Resulting Numbers: [1470] 1470,54 unequal: No Solution Exploring Operation: 70+21=91, Resulting Numbers: [91] 91,54 unequal: No Solution Exploring Operation: 70-21=49, Resulting Numbers: [49] 49,54 unequal: No Solution Moving to Node #0,4,4 Current State: 54:[70, 79], Operations: ['85-35=50', '29+50=79'] Exploring Operation: 70+79=149, Resulting Numbers: [149] 149,54 unequal: No Solution Exploring Operation: 70*79=5530, Resulting Numbers: [5530] 5530,54 unequal: No Solution Exploring Operation: 79-70=9, Resulting Numbers: [9] 9,54 unequal: No Solution Moving to Node #0,4,0 Current State: 54:[50, 99], Operations: ['85-35=50', '70+29=99'] Exploring Operation: 99-50=49, Resulting Numbers: [49] 49,54 unequal: No Solution Exploring Operation: 50*99=4950, Resulting Numbers: [4950] 4950,54 unequal: No Solution Exploring Operation: 50+99=149, Resulting Numbers: [149] 149,54 unequal: No Solution No 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: 54:[70, 35, 56], Operations: ['85-29=56'] Exploring Operation: 70-35=35, Resulting Numbers: [56, 35] Generated Node #0,0,0: 54:[56, 35] Operation: 70-35=35 Exploring Operation: 70-56=14, Resulting Numbers: [35, 14] Generated Node #0,0,1: 54:[35, 14] Operation: 70-56=14 Exploring Operation: 70+35=105, Resulting Numbers: [56, 105] Generated Node #0,0,2: 54:[56, 105] Operation: 70+35=105 Exploring Operation: 56-35=21, Resulting Numbers: [70, 21] Generated Node #0,0,3: 54:[70, 21] Operation: 56-35=21 Exploring Operation: 70/35=2, Resulting Numbers: [56, 2] Generated Node #0,0,4: 54:[56, 2] Operation: 70/35=2 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 54:[56, 2], Operations: ['85-29=56', '70/35=2'] Exploring Operation: 56*2=112, Resulting Numbers: [112] 112,54 unequal: No Solution Exploring Operation: 56+2=58, Resulting Numbers: [58] 58,54 unequal: No Solution Exploring Operation: 56/2=28, Resulting Numbers: [28] 28,54 unequal: No Solution Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[70, 85, 29, 35], Operations: [] Exploring Operation: 85-29=56, Resulting Numbers: [70, 35, 56] Generated Node #0,0: 54:[70, 35, 56] Operation: 85-29=56 Moving to Node #0,0 Current State: 54:[70, 35, 56], Operations: ['85-29=56'] Exploring Operation: 70/35=2, Resulting Numbers: [56, 2] Generated Node #0,0,4: 54:[56, 2] Operation: 70/35=2 Moving to Node #0,0,4 Current State: 54:[56, 2], Operations: ['85-29=56', '70/35=2'] Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.949653
hs_5
sum_heuristic
[ 30, 34, 52, 59 ]
28
[ "34-30=4", "59-52=7", "4*7=28" ]
Current State: 28:[30, 34, 52, 59], Operations: [] Exploring Operation: 34-30=4, Resulting Numbers: [52, 59, 4] Generated Node #2: [52, 59, 4] from Operation: 34-30=4 Current State: 28:[52, 59, 4], Operations: ['34-30=4'] Exploring Operation: 59-52=7, Resulting Numbers: [4, 7] Generated Node #3: [4, 7] from Operation: 59-52=7 Current State: 28:[4, 7], Operations: ['34-30=4', '59-52=7'] Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[30, 34, 52, 59], Operations: [] Exploring Operation: 59-34=25, Resulting Numbers: [30, 52, 25] Generated Node #0,0: 28:[30, 52, 25] Operation: 59-34=25 Exploring Operation: 59-52=7, Resulting Numbers: [30, 34, 7] Generated Node #0,1: 28:[30, 34, 7] Operation: 59-52=7 Start Sub Search at level 1: Moving to Node #0,1 Current State: 28:[30, 34, 7], Operations: ['59-52=7'] Exploring Operation: 34-30=4, Resulting Numbers: [7, 4] Generated Node #0,1,0: 28:[7, 4] Operation: 34-30=4 Exploring Operation: 34-7=27, Resulting Numbers: [30, 27] Generated Node #0,1,1: 28:[30, 27] Operation: 34-7=27 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 28:[7, 4], Operations: ['59-52=7', '34-30=4'] Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[30, 34, 52, 59], Operations: [] Exploring Operation: 59-52=7, Resulting Numbers: [30, 34, 7] Generated Node #0,1: 28:[30, 34, 7] Operation: 59-52=7 Moving to Node #0,1 Current State: 28:[30, 34, 7], Operations: ['59-52=7'] Exploring Operation: 34-30=4, Resulting Numbers: [7, 4] Generated Node #0,1,0: 28:[7, 4] Operation: 34-30=4 Moving to Node #0,1,0 Current State: 28:[7, 4], Operations: ['59-52=7', '34-30=4'] Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 73, 13, 79, 8 ]
26
[ "79-73=6", "8-6=2", "13*2=26" ]
Current State: 26:[73, 13, 79, 8], Operations: [] Exploring Operation: 79-73=6, Resulting Numbers: [13, 8, 6] Generated Node #2: [13, 8, 6] from Operation: 79-73=6 Current State: 26:[13, 8, 6], Operations: ['79-73=6'] Exploring Operation: 8-6=2, Resulting Numbers: [13, 2] Generated Node #3: [13, 2] from Operation: 8-6=2 Current State: 26:[13, 2], Operations: ['79-73=6', '8-6=2'] Exploring Operation: 13*2=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[73, 13, 79, 8], Operations: [] Exploring Operation: 79-73=6, Resulting Numbers: [13, 8, 6] Generated Node #0,0: 26:[13, 8, 6] Operation: 79-73=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[13, 8, 6], Operations: ['79-73=6'] Exploring Operation: 8-6=2, Resulting Numbers: [13, 2] Generated Node #0,0,0: 26:[13, 2] Operation: 8-6=2 Moving to Node #0,0,0 Current State: 26:[13, 2], Operations: ['79-73=6', '8-6=2'] Exploring Operation: 13*2=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[73, 13, 79, 8], Operations: [] Exploring Operation: 79-73=6, Resulting Numbers: [13, 8, 6] Generated Node #0,0: 26:[13, 8, 6] Operation: 79-73=6 Moving to Node #0,0 Current State: 26:[13, 8, 6], Operations: ['79-73=6'] Exploring Operation: 8-6=2, Resulting Numbers: [13, 2] Generated Node #0,0,0: 26:[13, 2] Operation: 8-6=2 Moving to Node #0,0,0 Current State: 26:[13, 2], Operations: ['79-73=6', '8-6=2'] Exploring Operation: 13*2=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 74, 87, 22, 44 ]
79
[ "87-74=13", "22+44=66", "13+66=79" ]
Current State: 79:[74, 87, 22, 44], Operations: [] Exploring Operation: 87-74=13, Resulting Numbers: [22, 44, 13] Generated Node #2: [22, 44, 13] from Operation: 87-74=13 Current State: 79:[22, 44, 13], Operations: ['87-74=13'] Exploring Operation: 22+44=66, Resulting Numbers: [13, 66] Generated Node #3: [13, 66] from Operation: 22+44=66 Current State: 79:[13, 66], Operations: ['87-74=13', '22+44=66'] Exploring Operation: 13+66=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[74, 87, 22, 44], Operations: [] Exploring Operation: 87+22=109, Resulting Numbers: [74, 44, 109] Generated Node #0,0: 79:[74, 44, 109] Operation: 87+22=109 Exploring Operation: 74+22=96, Resulting Numbers: [87, 44, 96] Generated Node #0,1: 79:[87, 44, 96] Operation: 74+22=96 Exploring Operation: 87-22=65, Resulting Numbers: [74, 44, 65] Generated Node #0,2: 79:[74, 44, 65] Operation: 87-22=65 Exploring Operation: 22+44=66, Resulting Numbers: [74, 87, 66] Generated Node #0,3: 79:[74, 87, 66] Operation: 22+44=66 Exploring Operation: 74-22=52, Resulting Numbers: [87, 44, 52] Generated Node #0,4: 79:[87, 44, 52] Operation: 74-22=52 Start Sub Search at level 1: Moving to Node #0,3 Current State: 79:[74, 87, 66], Operations: ['22+44=66'] Exploring Operation: 74+66=140, Resulting Numbers: [87, 140] Generated Node #0,3,0: 79:[87, 140] Operation: 74+66=140 Exploring Operation: 87+66=153, Resulting Numbers: [74, 153] Generated Node #0,3,1: 79:[74, 153] Operation: 87+66=153 Exploring Operation: 87-66=21, Resulting Numbers: [74, 21] Generated Node #0,3,2: 79:[74, 21] Operation: 87-66=21 Exploring Operation: 74-66=8, Resulting Numbers: [87, 8] Generated Node #0,3,3: 79:[87, 8] Operation: 74-66=8 Exploring Operation: 87-74=13, Resulting Numbers: [66, 13] Generated Node #0,3,4: 79:[66, 13] Operation: 87-74=13 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 79:[74, 21], Operations: ['22+44=66', '87-66=21'] Exploring Operation: 74*21=1554, Resulting Numbers: [1554] 1554,79 unequal: No Solution Exploring Operation: 74-21=53, Resulting Numbers: [53] 53,79 unequal: No Solution Exploring Operation: 74+21=95, Resulting Numbers: [95] 95,79 unequal: No Solution No 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: 79:[87, 140], Operations: ['22+44=66', '74+66=140'] Exploring Operation: 140-87=53, Resulting Numbers: [53] 53,79 unequal: No Solution Exploring Operation: 87*140=12180, Resulting Numbers: [12180] 12180,79 unequal: No Solution Exploring Operation: 87+140=227, Resulting Numbers: [227] 227,79 unequal: No Solution No 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: 79:[74, 153], Operations: ['22+44=66', '87+66=153'] Exploring Operation: 153-74=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[74, 87, 22, 44], Operations: [] Exploring Operation: 22+44=66, Resulting Numbers: [74, 87, 66] Generated Node #0,3: 79:[74, 87, 66] Operation: 22+44=66 Moving to Node #0,3 Current State: 79:[74, 87, 66], Operations: ['22+44=66'] Exploring Operation: 87+66=153, Resulting Numbers: [74, 153] Generated Node #0,3,1: 79:[74, 153] Operation: 87+66=153 Moving to Node #0,3,1 Current State: 79:[74, 153], Operations: ['22+44=66', '87+66=153'] Exploring Operation: 153-74=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 52, 65, 93, 31 ]
10
[ "65-52=13", "93/31=3", "13-3=10" ]
Current State: 10:[52, 65, 93, 31], Operations: [] Exploring Operation: 65-52=13, Resulting Numbers: [93, 31, 13] Generated Node #2: [93, 31, 13] from Operation: 65-52=13 Current State: 10:[93, 31, 13], Operations: ['65-52=13'] Exploring Operation: 93/31=3, Resulting Numbers: [13, 3] Generated Node #3: [13, 3] from Operation: 93/31=3 Current State: 10:[13, 3], Operations: ['65-52=13', '93/31=3'] Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[52, 65, 93, 31], Operations: [] Exploring Operation: 93/31=3, Resulting Numbers: [52, 65, 3] Generated Node #0,0: 10:[52, 65, 3] Operation: 93/31=3 Exploring Operation: 93-52=41, Resulting Numbers: [65, 31, 41] Generated Node #0,1: 10:[65, 31, 41] Operation: 93-52=41 Exploring Operation: 93-65=28, Resulting Numbers: [52, 31, 28] Generated Node #0,2: 10:[52, 31, 28] Operation: 93-65=28 Exploring Operation: 65-52=13, Resulting Numbers: [93, 31, 13] Generated Node #0,3: 10:[93, 31, 13] Operation: 65-52=13 Moving to Node #0,2 Current State: 10:[52, 31, 28], Operations: ['93-65=28'] Exploring Operation: 52-28=24, Resulting Numbers: [31, 24] Generated Node #0,2,0: 10:[31, 24] Operation: 52-28=24 Exploring Operation: 52-31=21, Resulting Numbers: [28, 21] Generated Node #0,2,1: 10:[28, 21] Operation: 52-31=21 Exploring Operation: 52+31=83, Resulting Numbers: [28, 83] Generated Node #0,2,2: 10:[28, 83] Operation: 52+31=83 Exploring Operation: 31-28=3, Resulting Numbers: [52, 3] Generated Node #0,2,3: 10:[52, 3] Operation: 31-28=3 Moving to Node #0,0 Current State: 10:[52, 65, 3], Operations: ['93/31=3'] Exploring Operation: 52+3=55, Resulting Numbers: [65, 55] Generated Node #0,0,0: 10:[65, 55] Operation: 52+3=55 Exploring Operation: 65-3=62, Resulting Numbers: [52, 62] Generated Node #0,0,1: 10:[52, 62] Operation: 65-3=62 Exploring Operation: 65-52=13, Resulting Numbers: [3, 13] Generated Node #0,0,2: 10:[3, 13] Operation: 65-52=13 Exploring Operation: 52-3=49, Resulting Numbers: [65, 49] Generated Node #0,0,3: 10:[65, 49] Operation: 52-3=49 Moving to Node #0,3 Current State: 10:[93, 31, 13], Operations: ['65-52=13'] Exploring Operation: 31-13=18, Resulting Numbers: [93, 18] Generated Node #0,3,0: 10:[93, 18] Operation: 31-13=18 Exploring Operation: 93-13=80, Resulting Numbers: [31, 80] Generated Node #0,3,1: 10:[31, 80] Operation: 93-13=80 Exploring Operation: 93/31=3, Resulting Numbers: [13, 3] Generated Node #0,3,2: 10:[13, 3] Operation: 93/31=3 Exploring Operation: 93-31=62, Resulting Numbers: [13, 62] Generated Node #0,3,3: 10:[13, 62] Operation: 93-31=62 Moving to Node #0,1 Current State: 10:[65, 31, 41], Operations: ['93-52=41'] Exploring Operation: 65-31=34, Resulting Numbers: [41, 34] Generated Node #0,1,0: 10:[41, 34] Operation: 65-31=34 Exploring Operation: 65+31=96, Resulting Numbers: [41, 96] Generated Node #0,1,1: 10:[41, 96] Operation: 65+31=96 Exploring Operation: 41-31=10, Resulting Numbers: [65, 10] Generated Node #0,1,2: 10:[65, 10] Operation: 41-31=10 Exploring Operation: 65-41=24, Resulting Numbers: [31, 24] Generated Node #0,1,3: 10:[31, 24] Operation: 65-41=24 Moving to Node #0,0,2 Current State: 10:[3, 13], Operations: ['93/31=3', '65-52=13'] Exploring Operation: 3+13=16, Resulting Numbers: [16] 16,10 unequal: No Solution Exploring Operation: 3*13=39, Resulting Numbers: [39] 39,10 unequal: No Solution Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[52, 65, 93, 31], Operations: [] Exploring Operation: 93/31=3, Resulting Numbers: [52, 65, 3] Generated Node #0,0: 10:[52, 65, 3] Operation: 93/31=3 Moving to Node #0,0 Current State: 10:[52, 65, 3], Operations: ['93/31=3'] Exploring Operation: 65-52=13, Resulting Numbers: [3, 13] Generated Node #0,0,2: 10:[3, 13] Operation: 65-52=13 Moving to Node #0,0,2 Current State: 10:[3, 13], Operations: ['93/31=3', '65-52=13'] Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
0.976563
hs_4
sum_heuristic
[ 3, 50, 69, 35 ]
14
[ "3*35=105", "50+69=119", "119-105=14" ]
Current State: 14:[3, 50, 69, 35], Operations: [] Exploring Operation: 3*35=105, Resulting Numbers: [50, 69, 105] Generated Node #2: [50, 69, 105] from Operation: 3*35=105 Current State: 14:[50, 69, 105], Operations: ['3*35=105'] Exploring Operation: 50+69=119, Resulting Numbers: [105, 119] Generated Node #3: [105, 119] from Operation: 50+69=119 Current State: 14:[105, 119], Operations: ['3*35=105', '50+69=119'] Exploring Operation: 119-105=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[3, 50, 69, 35], Operations: [] Exploring Operation: 69-50=19, Resulting Numbers: [3, 35, 19] Generated Node #0,0: 14:[3, 35, 19] Operation: 69-50=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[3, 35, 19], Operations: ['69-50=19'] Exploring Operation: 35-19=16, Resulting Numbers: [3, 16] Generated Node #0,0,0: 14:[3, 16] Operation: 35-19=16 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 14:[3, 16], Operations: ['69-50=19', '35-19=16'] Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,14 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
[ 92, 46, 29, 2 ]
25
[ "92/46=2", "29-2=27", "27-2=25" ]
Current State: 25:[92, 46, 29, 2], Operations: [] Exploring Operation: 92/46=2, Resulting Numbers: [29, 2, 2] Generated Node #2: [29, 2, 2] from Operation: 92/46=2 Current State: 25:[29, 2, 2], Operations: ['92/46=2'] Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,25 equal: Goal Reached Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[92, 46, 29, 2], Operations: [] Exploring Operation: 92/46=2, Resulting Numbers: [29, 2, 2] Generated Node #0,0: 25:[29, 2, 2] Operation: 92/46=2 Moving to Node #0,0 Current State: 25:[29, 2, 2], Operations: ['92/46=2'] Exploring Operation: 29-2=27, Resulting Numbers: [2, 27] Generated Node #0,0,0: 25:[2, 27] Operation: 29-2=27 Moving to Node #0,0,0 Current State: 25:[2, 27], Operations: ['92/46=2', '29-2=27'] Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[92, 46, 29, 2], Operations: [] Exploring Operation: 92/46=2, Resulting Numbers: [29, 2, 2] Generated Node #0,0: 25:[29, 2, 2] Operation: 92/46=2 Moving to Node #0,0 Current State: 25:[29, 2, 2], Operations: ['92/46=2'] Exploring Operation: 29-2=27, Resulting Numbers: [2, 27] Generated Node #0,0,0: 25:[2, 27] Operation: 29-2=27 Moving to Node #0,0,0 Current State: 25:[2, 27], Operations: ['92/46=2', '29-2=27'] Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 3, 96, 18, 9 ]
11
[ "3+96=99", "18-9=9", "99/9=11" ]
Current State: 11:[3, 96, 18, 9], Operations: [] Exploring Operation: 3+96=99, Resulting Numbers: [18, 9, 99] Generated Node #2: [18, 9, 99] from Operation: 3+96=99 Current State: 11:[18, 9, 99], Operations: ['3+96=99'] Exploring Operation: 18-9=9, Resulting Numbers: [99, 9] Generated Node #3: [99, 9] from Operation: 18-9=9 Current State: 11:[99, 9], Operations: ['3+96=99', '18-9=9'] Exploring Operation: 99/9=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[3, 96, 18, 9], Operations: [] Exploring Operation: 96/3=32, Resulting Numbers: [18, 9, 32] Generated Node #0,0: 11:[18, 9, 32] Operation: 96/3=32 Exploring Operation: 18-3=15, Resulting Numbers: [96, 9, 15] Generated Node #0,1: 11:[96, 9, 15] Operation: 18-3=15 Exploring Operation: 96-3=93, Resulting Numbers: [18, 9, 93] Generated Node #0,2: 11:[18, 9, 93] Operation: 96-3=93 Exploring Operation: 96-18=78, Resulting Numbers: [3, 9, 78] Generated Node #0,3: 11:[3, 9, 78] Operation: 96-18=78 Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[18, 9, 32], Operations: ['96/3=32'] Exploring Operation: 32-9=23, Resulting Numbers: [18, 23] Generated Node #0,0,0: 11:[18, 23] Operation: 32-9=23 Exploring Operation: 18/9=2, Resulting Numbers: [32, 2] Generated Node #0,0,1: 11:[32, 2] Operation: 18/9=2 Exploring Operation: 32-18=14, Resulting Numbers: [9, 14] Generated Node #0,0,2: 11:[9, 14] Operation: 32-18=14 Exploring Operation: 18-9=9, Resulting Numbers: [32, 9] Generated Node #0,0,3: 11:[32, 9] Operation: 18-9=9 Moving to Node #0,0,2 Current State: 11:[9, 14], Operations: ['96/3=32', '32-18=14'] Exploring Operation: 9+14=23, Resulting Numbers: [23] 23,11 unequal: No Solution Exploring Operation: 14-9=5, Resulting Numbers: [5] 5,11 unequal: No Solution Exploring Operation: 9*14=126, Resulting Numbers: [126] 126,11 unequal: No Solution Moving to Node #0,0,0 Current State: 11:[18, 23], Operations: ['96/3=32', '32-9=23'] Exploring Operation: 23-18=5, Resulting Numbers: [5] 5,11 unequal: No Solution Exploring Operation: 18+23=41, Resulting Numbers: [41] 41,11 unequal: No Solution Exploring Operation: 18*23=414, Resulting Numbers: [414] 414,11 unequal: No Solution Moving to Node #0,0,3 Current State: 11:[32, 9], Operations: ['96/3=32', '18-9=9'] Exploring Operation: 32+9=41, Resulting Numbers: [41] 41,11 unequal: No Solution Exploring Operation: 32-9=23, Resulting Numbers: [23] 23,11 unequal: No Solution Exploring Operation: 32*9=288, Resulting Numbers: [288] 288,11 unequal: No Solution Moving to Node #0,0,1 Current State: 11:[32, 2], Operations: ['96/3=32', '18/9=2'] Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 32*2=64, Resulting Numbers: [64] 64,11 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 32+2=34, Resulting Numbers: [34] 34,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 11:[3, 9, 78], Operations: ['96-18=78'] Exploring Operation: 3+9=12, Resulting Numbers: [78, 12] Generated Node #0,3,0: 11:[78, 12] Operation: 3+9=12 Exploring Operation: 78-9=69, Resulting Numbers: [3, 69] Generated Node #0,3,1: 11:[3, 69] Operation: 78-9=69 Exploring Operation: 78/3=26, Resulting Numbers: [9, 26] Generated Node #0,3,2: 11:[9, 26] Operation: 78/3=26 Exploring Operation: 78-3=75, Resulting Numbers: [9, 75] Generated Node #0,3,3: 11:[9, 75] Operation: 78-3=75 Moving to Node #0,3,2 Current State: 11:[9, 26], Operations: ['96-18=78', '78/3=26'] Exploring Operation: 9*26=234, Resulting Numbers: [234] 234,11 unequal: No Solution Exploring Operation: 26-9=17, Resulting Numbers: [17] 17,11 unequal: No Solution Exploring Operation: 9+26=35, Resulting Numbers: [35] 35,11 unequal: No Solution Moving to Node #0,3,3 Current State: 11:[9, 75], Operations: ['96-18=78', '78-3=75'] Exploring Operation: 75-9=66, Resulting Numbers: [66] 66,11 unequal: No Solution Exploring Operation: 9+75=84, Resulting Numbers: [84] 84,11 unequal: No Solution Exploring Operation: 9*75=675, Resulting Numbers: [675] 675,11 unequal: No Solution Moving to Node #0,3,1 Current State: 11:[3, 69], Operations: ['96-18=78', '78-9=69'] Exploring Operation: 69-3=66, Resulting Numbers: [66] 66,11 unequal: No Solution Exploring Operation: 69/3=23, Resulting Numbers: [23] 23,11 unequal: No Solution Exploring Operation: 3*69=207, Resulting Numbers: [207] 207,11 unequal: No Solution Exploring Operation: 3+69=72, Resulting Numbers: [72] 72,11 unequal: No Solution Moving to Node #0,3,0 Current State: 11:[78, 12], Operations: ['96-18=78', '3+9=12'] Exploring Operation: 78+12=90, Resulting Numbers: [90] 90,11 unequal: No Solution Exploring Operation: 78-12=66, Resulting Numbers: [66] 66,11 unequal: No Solution Exploring Operation: 78*12=936, Resulting Numbers: [936] 936,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 11:[96, 9, 15], Operations: ['18-3=15'] Exploring Operation: 96-9=87, Resulting Numbers: [15, 87] Generated Node #0,1,0: 11:[15, 87] Operation: 96-9=87 Exploring Operation: 96+9=105, Resulting Numbers: [15, 105] Generated Node #0,1,1: 11:[15, 105] Operation: 96+9=105 Exploring Operation: 96-15=81, Resulting Numbers: [9, 81] Generated Node #0,1,2: 11:[9, 81] Operation: 96-15=81 Exploring Operation: 15-9=6, Resulting Numbers: [96, 6] Generated Node #0,1,3: 11:[96, 6] Operation: 15-9=6 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 11:[9, 81], Operations: ['18-3=15', '96-15=81'] Exploring Operation: 81-9=72, Resulting Numbers: [72] 72,11 unequal: No Solution Exploring Operation: 81/9=9, Resulting Numbers: [9] 9,11 unequal: No Solution Exploring Operation: 9+81=90, Resulting Numbers: [90] 90,11 unequal: No Solution Exploring Operation: 9*81=729, Resulting Numbers: [729] 729,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 11:[15, 87], Operations: ['18-3=15', '96-9=87'] Exploring Operation: 15+87=102, Resulting Numbers: [102] 102,11 unequal: No Solution Exploring Operation: 15*87=1305, Resulting Numbers: [1305] 1305,11 unequal: No Solution Exploring Operation: 87-15=72, Resulting Numbers: [72] 72,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 11:[96, 6], Operations: ['18-3=15', '15-9=6'] Exploring Operation: 96*6=576, Resulting Numbers: [576] 576,11 unequal: No Solution Exploring Operation: 96-6=90, Resulting Numbers: [90] 90,11 unequal: No Solution Exploring Operation: 96/6=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 96+6=102, Resulting Numbers: [102] 102,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 11:[15, 105], Operations: ['18-3=15', '96+9=105'] Exploring Operation: 105/15=7, Resulting Numbers: [7] 7,11 unequal: No Solution Exploring Operation: 105-15=90, Resulting Numbers: [90] 90,11 unequal: No Solution Exploring Operation: 15+105=120, Resulting Numbers: [120] 120,11 unequal: No Solution Exploring Operation: 15*105=1575, Resulting Numbers: [1575] 1575,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 11:[18, 9, 93], Operations: ['96-3=93'] Exploring Operation: 93-18=75, Resulting Numbers: [9, 75] Generated Node #0,2,0: 11:[9, 75] Operation: 93-18=75 Exploring Operation: 93-9=84, Resulting Numbers: [18, 84] Generated Node #0,2,1: 11:[18, 84] Operation: 93-9=84 Exploring Operation: 18/9=2, Resulting Numbers: [93, 2] Generated Node #0,2,2: 11:[93, 2] Operation: 18/9=2 Exploring Operation: 18-9=9, Resulting Numbers: [93, 9] Generated Node #0,2,3: 11:[93, 9] Operation: 18-9=9 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 11:[9, 75], Operations: ['96-3=93', '93-18=75'] Exploring Operation: 75-9=66, Resulting Numbers: [66] 66,11 unequal: No Solution Exploring Operation: 9*75=675, Resulting Numbers: [675] 675,11 unequal: No Solution Exploring Operation: 9+75=84, Resulting Numbers: [84] 84,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 11:[18, 84], Operations: ['96-3=93', '93-9=84'] Exploring Operation: 84-18=66, Resulting Numbers: [66] 66,11 unequal: No Solution Exploring Operation: 18+84=102, Resulting Numbers: [102] 102,11 unequal: No Solution Exploring Operation: 18*84=1512, Resulting Numbers: [1512] 1512,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 11:[93, 9], Operations: ['96-3=93', '18-9=9'] Exploring Operation: 93-9=84, Resulting Numbers: [84] 84,11 unequal: No Solution Exploring Operation: 93+9=102, Resulting Numbers: [102] 102,11 unequal: No Solution Exploring Operation: 93*9=837, Resulting Numbers: [837] 837,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 11:[93, 2], Operations: ['96-3=93', '18/9=2'] Exploring Operation: 93+2=95, Resulting Numbers: [95] 95,11 unequal: No Solution Exploring Operation: 93*2=186, Resulting Numbers: [186] 186,11 unequal: No Solution Exploring Operation: 93-2=91, Resulting Numbers: [91] 91,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 33, 5, 13, 7 ]
55
[ "33-13=20", "5*7=35", "20+35=55" ]
Current State: 55:[33, 5, 13, 7], Operations: [] Exploring Operation: 33-13=20, Resulting Numbers: [5, 7, 20] Generated Node #2: [5, 7, 20] from Operation: 33-13=20 Current State: 55:[5, 7, 20], Operations: ['33-13=20'] Exploring Operation: 5*7=35, Resulting Numbers: [20, 35] Generated Node #3: [20, 35] from Operation: 5*7=35 Current State: 55:[20, 35], Operations: ['33-13=20', '5*7=35'] Exploring Operation: 20+35=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[33, 5, 13, 7], Operations: [] Exploring Operation: 33+13=46, Resulting Numbers: [5, 7, 46] Generated Node #0,0: 55:[5, 7, 46] Operation: 33+13=46 Moving to Node #0,0 Current State: 55:[5, 7, 46], Operations: ['33+13=46'] Exploring Operation: 7+46=53, Resulting Numbers: [5, 53] Generated Node #0,0,0: 55:[5, 53] Operation: 7+46=53 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 55:[5, 53], Operations: ['33+13=46', '7+46=53'] Exploring Operation: 5+53=58, Resulting Numbers: [58] 58,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 85, 31, 17, 35 ]
64
[ "85+31=116", "17+35=52", "116-52=64" ]
Current State: 64:[85, 31, 17, 35], Operations: [] Exploring Operation: 85+31=116, Resulting Numbers: [17, 35, 116] Generated Node #2: [17, 35, 116] from Operation: 85+31=116 Current State: 64:[17, 35, 116], Operations: ['85+31=116'] Exploring Operation: 17+35=52, Resulting Numbers: [116, 52] Generated Node #3: [116, 52] from Operation: 17+35=52 Current State: 64:[116, 52], Operations: ['85+31=116', '17+35=52'] Exploring Operation: 116-52=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[85, 31, 17, 35], Operations: [] Exploring Operation: 85/17=5, Resulting Numbers: [31, 35, 5] Generated Node #0,0: 64:[31, 35, 5] Operation: 85/17=5 Exploring Operation: 85-17=68, Resulting Numbers: [31, 35, 68] Generated Node #0,1: 64:[31, 35, 68] Operation: 85-17=68 Moving to Node #0,0 Current State: 64:[31, 35, 5], Operations: ['85/17=5'] Exploring Operation: 35/5=7, Resulting Numbers: [31, 7] Generated Node #0,0,0: 64:[31, 7] Operation: 35/5=7 Exploring Operation: 35-31=4, Resulting Numbers: [5, 4] Generated Node #0,0,1: 64:[5, 4] Operation: 35-31=4 Moving to Node #0,1 Current State: 64:[31, 35, 68], Operations: ['85-17=68'] Exploring Operation: 35-31=4, Resulting Numbers: [68, 4] Generated Node #0,1,0: 64:[68, 4] Operation: 35-31=4 Exploring Operation: 68-35=33, Resulting Numbers: [31, 33] Generated Node #0,1,1: 64:[31, 33] Operation: 68-35=33 Moving to Node #0,0,1 Current State: 64:[5, 4], Operations: ['85/17=5', '35-31=4'] Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,64 unequal: No Solution Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,64 unequal: No Solution Moving to Node #0,1,1 Current State: 64:[31, 33], Operations: ['85-17=68', '68-35=33'] Exploring Operation: 31+33=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[85, 31, 17, 35], Operations: [] Exploring Operation: 85-17=68, Resulting Numbers: [31, 35, 68] Generated Node #0,1: 64:[31, 35, 68] Operation: 85-17=68 Moving to Node #0,1 Current State: 64:[31, 35, 68], Operations: ['85-17=68'] Exploring Operation: 68-35=33, Resulting Numbers: [31, 33] Generated Node #0,1,1: 64:[31, 33] Operation: 68-35=33 Moving to Node #0,1,1 Current State: 64:[31, 33], Operations: ['85-17=68', '68-35=33'] Exploring Operation: 31+33=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
0.988715
hs_2
sum_heuristic
[ 21, 18, 91, 34 ]
86
[ "21+18=39", "91+34=125", "125-39=86" ]
Current State: 86:[21, 18, 91, 34], Operations: [] Exploring Operation: 21+18=39, Resulting Numbers: [91, 34, 39] Generated Node #2: [91, 34, 39] from Operation: 21+18=39 Current State: 86:[91, 34, 39], Operations: ['21+18=39'] Exploring Operation: 91+34=125, Resulting Numbers: [39, 125] Generated Node #3: [39, 125] from Operation: 91+34=125 Current State: 86:[39, 125], Operations: ['21+18=39', '91+34=125'] Exploring Operation: 125-39=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[21, 18, 91, 34], Operations: [] Exploring Operation: 21-18=3, Resulting Numbers: [91, 34, 3] Generated Node #0,0: 86:[91, 34, 3] Operation: 21-18=3 Moving to Node #0,0 Current State: 86:[91, 34, 3], Operations: ['21-18=3'] Exploring Operation: 91-3=88, Resulting Numbers: [34, 88] Generated Node #0,0,0: 86:[34, 88] Operation: 91-3=88 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 86:[34, 88], Operations: ['21-18=3', '91-3=88'] Exploring Operation: 88-34=54, Resulting Numbers: [54] 54,86 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
[ 71, 1, 67, 65 ]
60
[ "71+1=72", "67+65=132", "132-72=60" ]
Current State: 60:[71, 1, 67, 65], Operations: [] Exploring Operation: 71+1=72, Resulting Numbers: [67, 65, 72] Generated Node #2: [67, 65, 72] from Operation: 71+1=72 Current State: 60:[67, 65, 72], Operations: ['71+1=72'] Exploring Operation: 67+65=132, Resulting Numbers: [72, 132] Generated Node #3: [72, 132] from Operation: 67+65=132 Current State: 60:[72, 132], Operations: ['71+1=72', '67+65=132'] Exploring Operation: 132-72=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[71, 1, 67, 65], Operations: [] Exploring Operation: 71-67=4, Resulting Numbers: [1, 65, 4] Generated Node #0,0: 60:[1, 65, 4] Operation: 71-67=4 Exploring Operation: 67-65=2, Resulting Numbers: [71, 1, 2] Generated Node #0,1: 60:[71, 1, 2] Operation: 67-65=2 Exploring Operation: 71-65=6, Resulting Numbers: [1, 67, 6] Generated Node #0,2: 60:[1, 67, 6] Operation: 71-65=6 Moving to Node #0,0 Current State: 60:[1, 65, 4], Operations: ['71-67=4'] Exploring Operation: 65-4=61, Resulting Numbers: [1, 61] Generated Node #0,0,0: 60:[1, 61] Operation: 65-4=61 Exploring Operation: 1*65=65, Resulting Numbers: [4, 65] Generated Node #0,0,1: 60:[4, 65] Operation: 1*65=65 Exploring Operation: 65-1=64, Resulting Numbers: [4, 64] Generated Node #0,0,2: 60:[4, 64] Operation: 65-1=64 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 60:[1, 61], Operations: ['71-67=4', '65-4=61'] Exploring Operation: 61-1=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[71, 1, 67, 65], Operations: [] Exploring Operation: 71-67=4, Resulting Numbers: [1, 65, 4] Generated Node #0,0: 60:[1, 65, 4] Operation: 71-67=4 Moving to Node #0,0 Current State: 60:[1, 65, 4], Operations: ['71-67=4'] Exploring Operation: 65-4=61, Resulting Numbers: [1, 61] Generated Node #0,0,0: 60:[1, 61] Operation: 65-4=61 Moving to Node #0,0,0 Current State: 60:[1, 61], Operations: ['71-67=4', '65-4=61'] Exploring Operation: 61-1=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 29, 52, 2, 16 ]
13
[ "29-16=13", "52/2=26", "26-13=13" ]
Current State: 13:[29, 52, 2, 16], Operations: [] Exploring Operation: 29-16=13, Resulting Numbers: [52, 2, 13] Generated Node #2: [52, 2, 13] from Operation: 29-16=13 Current State: 13:[52, 2, 13], Operations: ['29-16=13'] Exploring Operation: 52/2=26, Resulting Numbers: [13, 26] Generated Node #3: [13, 26] from Operation: 52/2=26 Current State: 13:[13, 26], Operations: ['29-16=13', '52/2=26'] Exploring Operation: 26-13=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[29, 52, 2, 16], Operations: [] Exploring Operation: 29-16=13, Resulting Numbers: [52, 2, 13] Generated Node #0,0: 13:[52, 2, 13] Operation: 29-16=13 Exploring Operation: 52/2=26, Resulting Numbers: [29, 16, 26] Generated Node #0,1: 13:[29, 16, 26] Operation: 52/2=26 Exploring Operation: 52-16=36, Resulting Numbers: [29, 2, 36] Generated Node #0,2: 13:[29, 2, 36] Operation: 52-16=36 Exploring Operation: 29-2=27, Resulting Numbers: [52, 16, 27] Generated Node #0,3: 13:[52, 16, 27] Operation: 29-2=27 Exploring Operation: 52-29=23, Resulting Numbers: [2, 16, 23] Generated Node #0,4: 13:[2, 16, 23] Operation: 52-29=23 Moving to Node #0,4 Current State: 13:[2, 16, 23], Operations: ['52-29=23'] Exploring Operation: 16/2=8, Resulting Numbers: [23, 8] Generated Node #0,4,0: 13:[23, 8] Operation: 16/2=8 Exploring Operation: 2+16=18, Resulting Numbers: [23, 18] Generated Node #0,4,1: 13:[23, 18] Operation: 2+16=18 Exploring Operation: 2+23=25, Resulting Numbers: [16, 25] Generated Node #0,4,2: 13:[16, 25] Operation: 2+23=25 Exploring Operation: 16-2=14, Resulting Numbers: [23, 14] Generated Node #0,4,3: 13:[23, 14] Operation: 16-2=14 Exploring Operation: 23-2=21, Resulting Numbers: [16, 21] Generated Node #0,4,4: 13:[16, 21] Operation: 23-2=21 Moving to Node #0,1 Current State: 13:[29, 16, 26], Operations: ['52/2=26'] Exploring Operation: 29+16=45, Resulting Numbers: [26, 45] Generated Node #0,1,0: 13:[26, 45] Operation: 29+16=45 Exploring Operation: 26-16=10, Resulting Numbers: [29, 10] Generated Node #0,1,1: 13:[29, 10] Operation: 26-16=10 Exploring Operation: 29+26=55, Resulting Numbers: [16, 55] Generated Node #0,1,2: 13:[16, 55] Operation: 29+26=55 Exploring Operation: 29-16=13, Resulting Numbers: [26, 13] Generated Node #0,1,3: 13:[26, 13] Operation: 29-16=13 Exploring Operation: 29-26=3, Resulting Numbers: [16, 3] Generated Node #0,1,4: 13:[16, 3] Operation: 29-26=3 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 13:[26, 13], Operations: ['52/2=26', '29-16=13'] Exploring Operation: 26/13=2, Resulting Numbers: [2] 2,13 unequal: No Solution Exploring Operation: 26-13=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[29, 52, 2, 16], Operations: [] Exploring Operation: 52/2=26, Resulting Numbers: [29, 16, 26] Generated Node #0,1: 13:[29, 16, 26] Operation: 52/2=26 Moving to Node #0,1 Current State: 13:[29, 16, 26], Operations: ['52/2=26'] Exploring Operation: 29-16=13, Resulting Numbers: [26, 13] Generated Node #0,1,3: 13:[26, 13] Operation: 29-16=13 Moving to Node #0,1,3 Current State: 13:[26, 13], Operations: ['52/2=26', '29-16=13'] Exploring Operation: 26-13=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic
[ 15, 38, 69, 72 ]
99
[ "72-69=3", "38*3=114", "114-15=99" ]
Current State: 99:[15, 38, 69, 72], Operations: [] Exploring Operation: 72-69=3, Resulting Numbers: [15, 38, 3] Generated Node #2: [15, 38, 3] from Operation: 72-69=3 Current State: 99:[15, 38, 3], Operations: ['72-69=3'] Exploring Operation: 38*3=114, Resulting Numbers: [15, 114] Generated Node #3: [15, 114] from Operation: 38*3=114 Current State: 99:[15, 114], Operations: ['72-69=3', '38*3=114'] Exploring Operation: 114-15=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[15, 38, 69, 72], Operations: [] Exploring Operation: 69-38=31, Resulting Numbers: [15, 72, 31] Generated Node #0,0: 99:[15, 72, 31] Operation: 69-38=31 Exploring Operation: 72-69=3, Resulting Numbers: [15, 38, 3] Generated Node #0,1: 99:[15, 38, 3] Operation: 72-69=3 Moving to Node #0,1 Current State: 99:[15, 38, 3], Operations: ['72-69=3'] Exploring Operation: 15-3=12, Resulting Numbers: [38, 12] Generated Node #0,1,0: 99:[38, 12] Operation: 15-3=12 Exploring Operation: 38-3=35, Resulting Numbers: [15, 35] Generated Node #0,1,1: 99:[15, 35] Operation: 38-3=35 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 99:[38, 12], Operations: ['72-69=3', '15-3=12'] Exploring Operation: 38-12=26, Resulting Numbers: [26] 26,99 unequal: No Solution Exploring Operation: 38+12=50, Resulting Numbers: [50] 50,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 99:[15, 35], Operations: ['72-69=3', '38-3=35'] Exploring Operation: 15+35=50, Resulting Numbers: [50] 50,99 unequal: No Solution Exploring Operation: 35-15=20, Resulting Numbers: [20] 20,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 99:[15, 72, 31], Operations: ['69-38=31'] Exploring Operation: 72+31=103, Resulting Numbers: [15, 103] Generated Node #0,0,0: 99:[15, 103] Operation: 72+31=103 Exploring Operation: 72-31=41, Resulting Numbers: [15, 41] Generated Node #0,0,1: 99:[15, 41] Operation: 72-31=41 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 99:[15, 103], Operations: ['69-38=31', '72+31=103'] Exploring Operation: 15+103=118, Resulting Numbers: [118] 118,99 unequal: No Solution Exploring Operation: 103-15=88, Resulting Numbers: [88] 88,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 99:[15, 41], Operations: ['69-38=31', '72-31=41'] Exploring Operation: 15+41=56, Resulting Numbers: [56] 56,99 unequal: No Solution Exploring Operation: 41-15=26, Resulting Numbers: [26] 26,99 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
[ 29, 7, 15, 69 ]
29
[ "29-15=14", "7*14=98", "98-69=29" ]
Current State: 29:[29, 7, 15, 69], Operations: [] Exploring Operation: 29-15=14, Resulting Numbers: [7, 69, 14] Generated Node #2: [7, 69, 14] from Operation: 29-15=14 Current State: 29:[7, 69, 14], Operations: ['29-15=14'] Exploring Operation: 7*14=98, Resulting Numbers: [69, 98] Generated Node #3: [69, 98] from Operation: 7*14=98 Current State: 29:[69, 98], Operations: ['29-15=14', '7*14=98'] Exploring Operation: 98-69=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[29, 7, 15, 69], Operations: [] Exploring Operation: 69-29=40, Resulting Numbers: [7, 15, 40] Generated Node #0,0: 29:[7, 15, 40] Operation: 69-29=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[7, 15, 40], Operations: ['69-29=40'] Exploring Operation: 7+15=22, Resulting Numbers: [40, 22] Generated Node #0,0,0: 29:[40, 22] Operation: 7+15=22 Moving to Node #0,0,0 Current State: 29:[40, 22], Operations: ['69-29=40', '7+15=22'] Exploring Operation: 40-22=18, Resulting Numbers: [18] 18,29 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
[ 41, 25, 84, 20 ]
100
[ "41+84=125", "125/25=5", "20*5=100" ]
Current State: 100:[41, 25, 84, 20], Operations: [] Exploring Operation: 41+84=125, Resulting Numbers: [25, 20, 125] Generated Node #2: [25, 20, 125] from Operation: 41+84=125 Current State: 100:[25, 20, 125], Operations: ['41+84=125'] Exploring Operation: 125/25=5, Resulting Numbers: [20, 5] Generated Node #3: [20, 5] from Operation: 125/25=5 Current State: 100:[20, 5], Operations: ['41+84=125', '125/25=5'] Exploring Operation: 20*5=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[41, 25, 84, 20], Operations: [] Exploring Operation: 84-41=43, Resulting Numbers: [25, 20, 43] Generated Node #0,0: 100:[25, 20, 43] Operation: 84-41=43 Exploring Operation: 84+20=104, Resulting Numbers: [41, 25, 104] Generated Node #0,1: 100:[41, 25, 104] Operation: 84+20=104 Exploring Operation: 25+84=109, Resulting Numbers: [41, 20, 109] Generated Node #0,2: 100:[41, 20, 109] Operation: 25+84=109 Exploring Operation: 84-25=59, Resulting Numbers: [41, 20, 59] Generated Node #0,3: 100:[41, 20, 59] Operation: 84-25=59 Exploring Operation: 41-20=21, Resulting Numbers: [25, 84, 21] Generated Node #0,4: 100:[25, 84, 21] Operation: 41-20=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[25, 20, 43], Operations: ['84-41=43'] Exploring Operation: 25+20=45, Resulting Numbers: [43, 45] Generated Node #0,0,0: 100:[43, 45] Operation: 25+20=45 Exploring Operation: 43-20=23, Resulting Numbers: [25, 23] Generated Node #0,0,1: 100:[25, 23] Operation: 43-20=23 Exploring Operation: 43-25=18, Resulting Numbers: [20, 18] Generated Node #0,0,2: 100:[20, 18] Operation: 43-25=18 Exploring Operation: 25-20=5, Resulting Numbers: [43, 5] Generated Node #0,0,3: 100:[43, 5] Operation: 25-20=5 Exploring Operation: 20+43=63, Resulting Numbers: [25, 63] Generated Node #0,0,4: 100:[25, 63] Operation: 20+43=63 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 100:[25, 23], Operations: ['84-41=43', '43-20=23'] Exploring Operation: 25*23=575, Resulting Numbers: [575] 575,100 unequal: No Solution Exploring Operation: 25+23=48, Resulting Numbers: [48] 48,100 unequal: No Solution Exploring Operation: 25-23=2, Resulting Numbers: [2] 2,100 unequal: No Solution No 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: 100:[20, 18], Operations: ['84-41=43', '43-25=18'] Exploring Operation: 20*18=360, Resulting Numbers: [360] 360,100 unequal: No Solution Exploring Operation: 20+18=38, Resulting Numbers: [38] 38,100 unequal: No Solution Exploring Operation: 20-18=2, Resulting Numbers: [2] 2,100 unequal: No Solution No 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: 100:[43, 5], Operations: ['84-41=43', '25-20=5'] Exploring Operation: 43+5=48, Resulting Numbers: [48] 48,100 unequal: No Solution Exploring Operation: 43-5=38, Resulting Numbers: [38] 38,100 unequal: No Solution Exploring Operation: 43*5=215, Resulting Numbers: [215] 215,100 unequal: No Solution No 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: 100:[43, 45], Operations: ['84-41=43', '25+20=45'] Exploring Operation: 43*45=1935, Resulting Numbers: [1935] 1935,100 unequal: No Solution Exploring Operation: 43+45=88, Resulting Numbers: [88] 88,100 unequal: No Solution Exploring Operation: 45-43=2, Resulting Numbers: [2] 2,100 unequal: No Solution No 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: 100:[25, 63], Operations: ['84-41=43', '20+43=63'] Exploring Operation: 63-25=38, Resulting Numbers: [38] 38,100 unequal: No Solution Exploring Operation: 25*63=1575, Resulting Numbers: [1575] 1575,100 unequal: No Solution Exploring Operation: 25+63=88, Resulting Numbers: [88] 88,100 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: 100:[41, 25, 104], Operations: ['84+20=104'] Exploring Operation: 104-41=63, Resulting Numbers: [25, 63] Generated Node #0,1,0: 100:[25, 63] Operation: 104-41=63 Exploring Operation: 25+104=129, Resulting Numbers: [41, 129] Generated Node #0,1,1: 100:[41, 129] Operation: 25+104=129 Exploring Operation: 41+25=66, Resulting Numbers: [104, 66] Generated Node #0,1,2: 100:[104, 66] Operation: 41+25=66 Exploring Operation: 41-25=16, Resulting Numbers: [104, 16] Generated Node #0,1,3: 100:[104, 16] Operation: 41-25=16 Exploring Operation: 104-25=79, Resulting Numbers: [41, 79] Generated Node #0,1,4: 100:[41, 79] Operation: 104-25=79 Moving to Node #0,1,3 Current State: 100:[104, 16], Operations: ['84+20=104', '41-25=16'] Exploring Operation: 104+16=120, Resulting Numbers: [120] 120,100 unequal: No Solution Exploring Operation: 104-16=88, Resulting Numbers: [88] 88,100 unequal: No Solution Exploring Operation: 104*16=1664, Resulting Numbers: [1664] 1664,100 unequal: No Solution Moving to Node #0,1,0 Current State: 100:[25, 63], Operations: ['84+20=104', '104-41=63'] Exploring Operation: 25+63=88, Resulting Numbers: [88] 88,100 unequal: No Solution Exploring Operation: 25*63=1575, Resulting Numbers: [1575] 1575,100 unequal: No Solution Exploring Operation: 63-25=38, Resulting Numbers: [38] 38,100 unequal: No Solution Moving to Node #0,1,2 Current State: 100:[104, 66], Operations: ['84+20=104', '41+25=66'] Exploring Operation: 104-66=38, Resulting Numbers: [38] 38,100 unequal: No Solution Exploring Operation: 104*66=6864, Resulting Numbers: [6864] 6864,100 unequal: No Solution Exploring Operation: 104+66=170, Resulting Numbers: [170] 170,100 unequal: No Solution Moving to Node #0,1,4 Current State: 100:[41, 79], Operations: ['84+20=104', '104-25=79'] Exploring Operation: 41+79=120, Resulting Numbers: [120] 120,100 unequal: No Solution Exploring Operation: 41*79=3239, Resulting Numbers: [3239] 3239,100 unequal: No Solution Exploring Operation: 79-41=38, Resulting Numbers: [38] 38,100 unequal: No Solution Moving to Node #0,1,1 Current State: 100:[41, 129], Operations: ['84+20=104', '25+104=129'] Exploring Operation: 41+129=170, Resulting Numbers: [170] 170,100 unequal: No Solution Exploring Operation: 41*129=5289, Resulting Numbers: [5289] 5289,100 unequal: No Solution Exploring Operation: 129-41=88, Resulting Numbers: [88] 88,100 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 #0,4 Current State: 100:[25, 84, 21], Operations: ['41-20=21'] Exploring Operation: 84/21=4, Resulting Numbers: [25, 4] Generated Node #0,4,0: 100:[25, 4] Operation: 84/21=4 Exploring Operation: 84-25=59, Resulting Numbers: [21, 59] Generated Node #0,4,1: 100:[21, 59] Operation: 84-25=59 Exploring Operation: 84-21=63, Resulting Numbers: [25, 63] Generated Node #0,4,2: 100:[25, 63] Operation: 84-21=63 Exploring Operation: 84+21=105, Resulting Numbers: [25, 105] Generated Node #0,4,3: 100:[25, 105] Operation: 84+21=105 Exploring Operation: 25+84=109, Resulting Numbers: [21, 109] Generated Node #0,4,4: 100:[21, 109] Operation: 25+84=109 Moving to Node #0,4,0 Current State: 100:[25, 4], Operations: ['41-20=21', '84/21=4'] Exploring Operation: 25*4=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[41, 25, 84, 20], Operations: [] Exploring Operation: 41-20=21, Resulting Numbers: [25, 84, 21] Generated Node #0,4: 100:[25, 84, 21] Operation: 41-20=21 Moving to Node #0,4 Current State: 100:[25, 84, 21], Operations: ['41-20=21'] Exploring Operation: 84/21=4, Resulting Numbers: [25, 4] Generated Node #0,4,0: 100:[25, 4] Operation: 84/21=4 Moving to Node #0,4,0 Current State: 100:[25, 4], Operations: ['41-20=21', '84/21=4'] Exploring Operation: 25*4=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.952257
hs_5
mult_heuristic
[ 43, 63, 33, 53 ]
35
[ "43+63=106", "106/53=2", "33+2=35" ]
Current State: 35:[43, 63, 33, 53], Operations: [] Exploring Operation: 43+63=106, Resulting Numbers: [33, 53, 106] Generated Node #2: [33, 53, 106] from Operation: 43+63=106 Current State: 35:[33, 53, 106], Operations: ['43+63=106'] Exploring Operation: 106/53=2, Resulting Numbers: [33, 2] Generated Node #3: [33, 2] from Operation: 106/53=2 Current State: 35:[33, 2], Operations: ['43+63=106', '106/53=2'] Exploring Operation: 33+2=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[43, 63, 33, 53], Operations: [] Exploring Operation: 63-53=10, Resulting Numbers: [43, 33, 10] Generated Node #0,0: 35:[43, 33, 10] Operation: 63-53=10 Moving to Node #0,0 Current State: 35:[43, 33, 10], Operations: ['63-53=10'] Exploring Operation: 43-10=33, Resulting Numbers: [33, 33] Generated Node #0,0,0: 35:[33, 33] Operation: 43-10=33 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 35:[33, 33], Operations: ['63-53=10', '43-10=33'] Exploring Operation: 33/33=1, Resulting Numbers: [1] 1,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 81, 19, 83, 24 ]
31
[ "83-81=2", "24/2=12", "19+12=31" ]
Current State: 31:[81, 19, 83, 24], Operations: [] Exploring Operation: 83-81=2, Resulting Numbers: [19, 24, 2] Generated Node #2: [19, 24, 2] from Operation: 83-81=2 Current State: 31:[19, 24, 2], Operations: ['83-81=2'] Exploring Operation: 24/2=12, Resulting Numbers: [19, 12] Generated Node #3: [19, 12] from Operation: 24/2=12 Current State: 31:[19, 12], Operations: ['83-81=2', '24/2=12'] Exploring Operation: 19+12=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[81, 19, 83, 24], Operations: [] Exploring Operation: 83-81=2, Resulting Numbers: [19, 24, 2] Generated Node #0,0: 31:[19, 24, 2] Operation: 83-81=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[19, 24, 2], Operations: ['83-81=2'] Exploring Operation: 19*2=38, Resulting Numbers: [24, 38] Generated Node #0,0,0: 31:[24, 38] Operation: 19*2=38 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 31:[24, 38], Operations: ['83-81=2', '19*2=38'] Exploring Operation: 38-24=14, Resulting Numbers: [14] 14,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 57, 36, 67, 64 ]
31
[ "57+36=93", "67-64=3", "93/3=31" ]
Current State: 31:[57, 36, 67, 64], Operations: [] Exploring Operation: 57+36=93, Resulting Numbers: [67, 64, 93] Generated Node #2: [67, 64, 93] from Operation: 57+36=93 Current State: 31:[67, 64, 93], Operations: ['57+36=93'] Exploring Operation: 67-64=3, Resulting Numbers: [93, 3] Generated Node #3: [93, 3] from Operation: 67-64=3 Current State: 31:[93, 3], Operations: ['57+36=93', '67-64=3'] Exploring Operation: 93/3=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[57, 36, 67, 64], Operations: [] Exploring Operation: 67-57=10, Resulting Numbers: [36, 64, 10] Generated Node #0,0: 31:[36, 64, 10] Operation: 67-57=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[36, 64, 10], Operations: ['67-57=10'] Exploring Operation: 64-36=28, Resulting Numbers: [10, 28] Generated Node #0,0,0: 31:[10, 28] Operation: 64-36=28 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 31:[10, 28], Operations: ['67-57=10', '64-36=28'] Exploring Operation: 10+28=38, Resulting Numbers: [38] 38,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 9, 37, 50, 52 ]
55
[ "52-50=2", "9*2=18", "37+18=55" ]
Current State: 55:[9, 37, 50, 52], Operations: [] Exploring Operation: 52-50=2, Resulting Numbers: [9, 37, 2] Generated Node #2: [9, 37, 2] from Operation: 52-50=2 Current State: 55:[9, 37, 2], Operations: ['52-50=2'] Exploring Operation: 9*2=18, Resulting Numbers: [37, 18] Generated Node #3: [37, 18] from Operation: 9*2=18 Current State: 55:[37, 18], Operations: ['52-50=2', '9*2=18'] Exploring Operation: 37+18=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[9, 37, 50, 52], Operations: [] Exploring Operation: 50-37=13, Resulting Numbers: [9, 52, 13] Generated Node #0,0: 55:[9, 52, 13] Operation: 50-37=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[9, 52, 13], Operations: ['50-37=13'] Exploring Operation: 52/13=4, Resulting Numbers: [9, 4] Generated Node #0,0,0: 55:[9, 4] Operation: 52/13=4 Moving to Node #0,0,0 Current State: 55:[9, 4], Operations: ['50-37=13', '52/13=4'] Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 17, 23, 74, 55 ]
58
[ "74-23=51", "51/17=3", "55+3=58" ]
Current State: 58:[17, 23, 74, 55], Operations: [] Exploring Operation: 74-23=51, Resulting Numbers: [17, 55, 51] Generated Node #2: [17, 55, 51] from Operation: 74-23=51 Current State: 58:[17, 55, 51], Operations: ['74-23=51'] Exploring Operation: 51/17=3, Resulting Numbers: [55, 3] Generated Node #3: [55, 3] from Operation: 51/17=3 Current State: 58:[55, 3], Operations: ['74-23=51', '51/17=3'] Exploring Operation: 55+3=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[17, 23, 74, 55], Operations: [] Exploring Operation: 74-23=51, Resulting Numbers: [17, 55, 51] Generated Node #0,0: 58:[17, 55, 51] Operation: 74-23=51 Exploring Operation: 74-17=57, Resulting Numbers: [23, 55, 57] Generated Node #0,1: 58:[23, 55, 57] Operation: 74-17=57 Moving to Node #0,1 Current State: 58:[23, 55, 57], Operations: ['74-17=57'] Exploring Operation: 57-55=2, Resulting Numbers: [23, 2] Generated Node #0,1,0: 58:[23, 2] Operation: 57-55=2 Exploring Operation: 55-23=32, Resulting Numbers: [57, 32] Generated Node #0,1,1: 58:[57, 32] Operation: 55-23=32 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 58:[57, 32], Operations: ['74-17=57', '55-23=32'] Exploring Operation: 57+32=89, Resulting Numbers: [89] 89,58 unequal: No Solution Exploring Operation: 57-32=25, Resulting Numbers: [25] 25,58 unequal: No Solution No 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: 58:[23, 2], Operations: ['74-17=57', '57-55=2'] Exploring Operation: 23+2=25, Resulting Numbers: [25] 25,58 unequal: No Solution Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,58 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: 58:[17, 55, 51], Operations: ['74-23=51'] Exploring Operation: 51-17=34, Resulting Numbers: [55, 34] Generated Node #0,0,0: 58:[55, 34] Operation: 51-17=34 Exploring Operation: 51/17=3, Resulting Numbers: [55, 3] Generated Node #0,0,1: 58:[55, 3] Operation: 51/17=3 Moving to Node #0,0,1 Current State: 58:[55, 3], Operations: ['74-23=51', '51/17=3'] Exploring Operation: 55+3=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[17, 23, 74, 55], Operations: [] Exploring Operation: 74-23=51, Resulting Numbers: [17, 55, 51] Generated Node #0,0: 58:[17, 55, 51] Operation: 74-23=51 Moving to Node #0,0 Current State: 58:[17, 55, 51], Operations: ['74-23=51'] Exploring Operation: 51/17=3, Resulting Numbers: [55, 3] Generated Node #0,0,1: 58:[55, 3] Operation: 51/17=3 Moving to Node #0,0,1 Current State: 58:[55, 3], Operations: ['74-23=51', '51/17=3'] Exploring Operation: 55+3=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
0.986979
hs_2
sum_heuristic
[ 63, 7, 99, 63 ]
92
[ "63+7=70", "99+63=162", "162-70=92" ]
Current State: 92:[63, 7, 99, 63], Operations: [] Exploring Operation: 63+7=70, Resulting Numbers: [99, 70] Generated Node #2: [99, 70] from Operation: 63+7=70 Current State: 92:[99, 70], Operations: ['63+7=70'] Exploring Operation: 99+63=162, Resulting Numbers: [70, 162] Generated Node #3: [70, 162] from Operation: 99+63=162 Current State: 92:[70, 162], Operations: ['63+7=70', '99+63=162'] Exploring Operation: 162-70=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[63, 7, 99, 63], Operations: [] Exploring Operation: 63-63=0, Resulting Numbers: [7, 99, 0] Generated Node #0,0: 92:[7, 99, 0] Operation: 63-63=0 Exploring Operation: 63/63=1, Resulting Numbers: [7, 99, 1] Generated Node #0,1: 92:[7, 99, 1] Operation: 63/63=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 92:[7, 99, 1], Operations: ['63/63=1'] Exploring Operation: 99-7=92, Resulting Numbers: [1, 92] Generated Node #0,1,0: 92:[1, 92] Operation: 99-7=92 Exploring Operation: 7-1=6, Resulting Numbers: [99, 6] Generated Node #0,1,1: 92:[99, 6] Operation: 7-1=6 Moving to Node #0,1,0 Current State: 92:[1, 92], Operations: ['63/63=1', '99-7=92'] Exploring Operation: 1*92=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[63, 7, 99, 63], Operations: [] Exploring Operation: 63/63=1, Resulting Numbers: [7, 99, 1] Generated Node #0,1: 92:[7, 99, 1] Operation: 63/63=1 Moving to Node #0,1 Current State: 92:[7, 99, 1], Operations: ['63/63=1'] Exploring Operation: 99-7=92, Resulting Numbers: [1, 92] Generated Node #0,1,0: 92:[1, 92] Operation: 99-7=92 Moving to Node #0,1,0 Current State: 92:[1, 92], Operations: ['63/63=1', '99-7=92'] Exploring Operation: 1*92=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 80, 81, 85, 15 ]
71
[ "81-80=1", "85-15=70", "1+70=71" ]
Current State: 71:[80, 81, 85, 15], Operations: [] Exploring Operation: 81-80=1, Resulting Numbers: [85, 15, 1] Generated Node #2: [85, 15, 1] from Operation: 81-80=1 Current State: 71:[85, 15, 1], Operations: ['81-80=1'] Exploring Operation: 85-15=70, Resulting Numbers: [1, 70] Generated Node #3: [1, 70] from Operation: 85-15=70 Current State: 71:[1, 70], Operations: ['81-80=1', '85-15=70'] Exploring Operation: 1+70=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[80, 81, 85, 15], Operations: [] Exploring Operation: 85-15=70, Resulting Numbers: [80, 81, 70] Generated Node #0,0: 71:[80, 81, 70] Operation: 85-15=70 Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[80, 81, 70], Operations: ['85-15=70'] Exploring Operation: 81-70=11, Resulting Numbers: [80, 11] Generated Node #0,0,0: 71:[80, 11] Operation: 81-70=11 Moving to Node #0,0,0 Current State: 71:[80, 11], Operations: ['85-15=70', '81-70=11'] Exploring Operation: 80-11=69, Resulting Numbers: [69] 69,71 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
[ 90, 99, 95, 82 ]
85
[ "95-90=5", "99-82=17", "5*17=85" ]
Current State: 85:[90, 99, 95, 82], Operations: [] Exploring Operation: 95-90=5, Resulting Numbers: [99, 82, 5] Generated Node #2: [99, 82, 5] from Operation: 95-90=5 Current State: 85:[99, 82, 5], Operations: ['95-90=5'] Exploring Operation: 99-82=17, Resulting Numbers: [5, 17] Generated Node #3: [5, 17] from Operation: 99-82=17 Current State: 85:[5, 17], Operations: ['95-90=5', '99-82=17'] Exploring Operation: 5*17=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[90, 99, 95, 82], Operations: [] Exploring Operation: 99-82=17, Resulting Numbers: [90, 95, 17] Generated Node #0,0: 85:[90, 95, 17] Operation: 99-82=17 Exploring Operation: 99-95=4, Resulting Numbers: [90, 82, 4] Generated Node #0,1: 85:[90, 82, 4] Operation: 99-95=4 Exploring Operation: 95-90=5, Resulting Numbers: [99, 82, 5] Generated Node #0,2: 85:[99, 82, 5] Operation: 95-90=5 Exploring Operation: 95-82=13, Resulting Numbers: [90, 99, 13] Generated Node #0,3: 85:[90, 99, 13] Operation: 95-82=13 Exploring Operation: 99-90=9, Resulting Numbers: [95, 82, 9] Generated Node #0,4: 85:[95, 82, 9] Operation: 99-90=9 Moving to Node #0,1 Current State: 85:[90, 82, 4], Operations: ['99-95=4'] Exploring Operation: 82-4=78, Resulting Numbers: [90, 78] Generated Node #0,1,0: 85:[90, 78] Operation: 82-4=78 Exploring Operation: 90-82=8, Resulting Numbers: [4, 8] Generated Node #0,1,1: 85:[4, 8] Operation: 90-82=8 Exploring Operation: 90-4=86, Resulting Numbers: [82, 86] Generated Node #0,1,2: 85:[82, 86] Operation: 90-4=86 Exploring Operation: 90+4=94, Resulting Numbers: [82, 94] Generated Node #0,1,3: 85:[82, 94] Operation: 90+4=94 Exploring Operation: 82+4=86, Resulting Numbers: [90, 86] Generated Node #0,1,4: 85:[90, 86] Operation: 82+4=86 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 85:[4, 8], Operations: ['99-95=4', '90-82=8'] Exploring Operation: 4*8=32, Resulting Numbers: [32] 32,85 unequal: No Solution Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,85 unequal: No Solution Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,85 unequal: No Solution Exploring Operation: 4+8=12, Resulting Numbers: [12] 12,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 85:[82, 86], Operations: ['99-95=4', '90-4=86'] Exploring Operation: 82*86=7052, Resulting Numbers: [7052] 7052,85 unequal: No Solution Exploring Operation: 82+86=168, Resulting Numbers: [168] 168,85 unequal: No Solution Exploring Operation: 86-82=4, Resulting Numbers: [4] 4,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 85:[90, 86], Operations: ['99-95=4', '82+4=86'] Exploring Operation: 90*86=7740, Resulting Numbers: [7740] 7740,85 unequal: No Solution Exploring Operation: 90-86=4, Resulting Numbers: [4] 4,85 unequal: No Solution Exploring Operation: 90+86=176, Resulting Numbers: [176] 176,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 85:[90, 78], Operations: ['99-95=4', '82-4=78'] Exploring Operation: 90*78=7020, Resulting Numbers: [7020] 7020,85 unequal: No Solution Exploring Operation: 90+78=168, Resulting Numbers: [168] 168,85 unequal: No Solution Exploring Operation: 90-78=12, Resulting Numbers: [12] 12,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 85:[82, 94], Operations: ['99-95=4', '90+4=94'] Exploring Operation: 82+94=176, Resulting Numbers: [176] 176,85 unequal: No Solution Exploring Operation: 82*94=7708, Resulting Numbers: [7708] 7708,85 unequal: No Solution Exploring Operation: 94-82=12, Resulting Numbers: [12] 12,85 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: 85:[90, 95, 17], Operations: ['99-82=17'] Exploring Operation: 90+17=107, Resulting Numbers: [95, 107] Generated Node #0,0,0: 85:[95, 107] Operation: 90+17=107 Exploring Operation: 95-90=5, Resulting Numbers: [17, 5] Generated Node #0,0,1: 85:[17, 5] Operation: 95-90=5 Exploring Operation: 95+17=112, Resulting Numbers: [90, 112] Generated Node #0,0,2: 85:[90, 112] Operation: 95+17=112 Exploring Operation: 95-17=78, Resulting Numbers: [90, 78] Generated Node #0,0,3: 85:[90, 78] Operation: 95-17=78 Exploring Operation: 90-17=73, Resulting Numbers: [95, 73] Generated Node #0,0,4: 85:[95, 73] Operation: 90-17=73 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 85:[17, 5], Operations: ['99-82=17', '95-90=5'] Exploring Operation: 17*5=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[90, 99, 95, 82], Operations: [] Exploring Operation: 99-82=17, Resulting Numbers: [90, 95, 17] Generated Node #0,0: 85:[90, 95, 17] Operation: 99-82=17 Moving to Node #0,0 Current State: 85:[90, 95, 17], Operations: ['99-82=17'] Exploring Operation: 95-90=5, Resulting Numbers: [17, 5] Generated Node #0,0,1: 85:[17, 5] Operation: 95-90=5 Moving to Node #0,0,1 Current State: 85:[17, 5], Operations: ['99-82=17', '95-90=5'] Exploring Operation: 17*5=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_5
sum_heuristic
[ 87, 58, 94, 87 ]
54
[ "87*94=8178", "8178/58=141", "141-87=54" ]
Current State: 54:[87, 58, 94, 87], Operations: [] Exploring Operation: 87*94=8178, Resulting Numbers: [58, 8178] Generated Node #2: [58, 8178] from Operation: 87*94=8178 Current State: 54:[58, 8178], Operations: ['87*94=8178'] Exploring Operation: 8178/58=141, Resulting Numbers: [141] 141,54 equal: Goal Reached Exploring Operation: 141-87=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[87, 58, 94, 87], Operations: [] Exploring Operation: 94-87=7, Resulting Numbers: [58, 87, 7] Generated Node #0,0: 54:[58, 87, 7] Operation: 94-87=7 Exploring Operation: 94-87=7, Resulting Numbers: [87, 58, 7] Generated Node #0,1: 54:[87, 58, 7] Operation: 94-87=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[58, 87, 7], Operations: ['94-87=7'] Exploring Operation: 87-7=80, Resulting Numbers: [58, 80] Generated Node #0,0,0: 54:[58, 80] Operation: 87-7=80 Exploring Operation: 87-58=29, Resulting Numbers: [7, 29] Generated Node #0,0,1: 54:[7, 29] Operation: 87-58=29 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 54:[7, 29], Operations: ['94-87=7', '87-58=29'] Exploring Operation: 29-7=22, Resulting Numbers: [22] 22,54 unequal: No Solution Exploring Operation: 7+29=36, Resulting Numbers: [36] 36,54 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:[58, 80], Operations: ['94-87=7', '87-7=80'] Exploring Operation: 80-58=22, Resulting Numbers: [22] 22,54 unequal: No Solution Exploring Operation: 58+80=138, Resulting Numbers: [138] 138,54 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:[87, 58, 7], Operations: ['94-87=7'] Exploring Operation: 87-7=80, Resulting Numbers: [58, 80] Generated Node #0,1,0: 54:[58, 80] Operation: 87-7=80 Exploring Operation: 87-58=29, Resulting Numbers: [7, 29] Generated Node #0,1,1: 54:[7, 29] Operation: 87-58=29 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 54:[7, 29], Operations: ['94-87=7', '87-58=29'] Exploring Operation: 29-7=22, Resulting Numbers: [22] 22,54 unequal: No Solution Exploring Operation: 7+29=36, Resulting Numbers: [36] 36,54 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 #0,1,0 Current State: 54:[58, 80], Operations: ['94-87=7', '87-7=80'] Exploring Operation: 58+80=138, Resulting Numbers: [138] 138,54 unequal: No Solution Exploring Operation: 80-58=22, Resulting Numbers: [22] 22,54 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 No solution found.
0
hs_2
sum_heuristic
[ 58, 32, 54, 3 ]
24
[ "58+32=90", "90/3=30", "54-30=24" ]
Current State: 24:[58, 32, 54, 3], Operations: [] Exploring Operation: 58+32=90, Resulting Numbers: [54, 3, 90] Generated Node #2: [54, 3, 90] from Operation: 58+32=90 Current State: 24:[54, 3, 90], Operations: ['58+32=90'] Exploring Operation: 90/3=30, Resulting Numbers: [54, 30] Generated Node #3: [54, 30] from Operation: 90/3=30 Current State: 24:[54, 30], Operations: ['58+32=90', '90/3=30'] Exploring Operation: 54-30=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[58, 32, 54, 3], Operations: [] Exploring Operation: 58-32=26, Resulting Numbers: [54, 3, 26] Generated Node #0,0: 24:[54, 3, 26] Operation: 58-32=26 Exploring Operation: 54/3=18, Resulting Numbers: [58, 32, 18] Generated Node #0,1: 24:[58, 32, 18] Operation: 54/3=18 Exploring Operation: 58-54=4, Resulting Numbers: [32, 3, 4] Generated Node #0,2: 24:[32, 3, 4] Operation: 58-54=4 Exploring Operation: 54-32=22, Resulting Numbers: [58, 3, 22] Generated Node #0,3: 24:[58, 3, 22] Operation: 54-32=22 Start Sub Search at level 1: Moving to Node #0,2 Current State: 24:[32, 3, 4], Operations: ['58-54=4'] Exploring Operation: 32/4=8, Resulting Numbers: [3, 8] Generated Node #0,2,0: 24:[3, 8] Operation: 32/4=8 Exploring Operation: 3*4=12, Resulting Numbers: [32, 12] Generated Node #0,2,1: 24:[32, 12] Operation: 3*4=12 Exploring Operation: 32-4=28, Resulting Numbers: [3, 28] Generated Node #0,2,2: 24:[3, 28] Operation: 32-4=28 Exploring Operation: 32-3=29, Resulting Numbers: [4, 29] Generated Node #0,2,3: 24:[4, 29] Operation: 32-3=29 Moving to Node #0,2,0 Current State: 24:[3, 8], Operations: ['58-54=4', '32/4=8'] Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[58, 32, 54, 3], Operations: [] Exploring Operation: 58-54=4, Resulting Numbers: [32, 3, 4] Generated Node #0,2: 24:[32, 3, 4] Operation: 58-54=4 Moving to Node #0,2 Current State: 24:[32, 3, 4], Operations: ['58-54=4'] Exploring Operation: 32/4=8, Resulting Numbers: [3, 8] Generated Node #0,2,0: 24:[3, 8] Operation: 32/4=8 Moving to Node #0,2,0 Current State: 24:[3, 8], Operations: ['58-54=4', '32/4=8'] Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 81, 28, 3, 91 ]
94
[ "81+3=84", "84/28=3", "91+3=94" ]
Current State: 94:[81, 28, 3, 91], Operations: [] Exploring Operation: 81+3=84, Resulting Numbers: [28, 91, 84] Generated Node #2: [28, 91, 84] from Operation: 81+3=84 Current State: 94:[28, 91, 84], Operations: ['81+3=84'] Exploring Operation: 84/28=3, Resulting Numbers: [91, 3] Generated Node #3: [91, 3] from Operation: 84/28=3 Current State: 94:[91, 3], Operations: ['81+3=84', '84/28=3'] Exploring Operation: 91+3=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[81, 28, 3, 91], Operations: [] Exploring Operation: 81+28=109, Resulting Numbers: [3, 91, 109] Generated Node #0,0: 94:[3, 91, 109] Operation: 81+28=109 Exploring Operation: 81-28=53, Resulting Numbers: [3, 91, 53] Generated Node #0,1: 94:[3, 91, 53] Operation: 81-28=53 Exploring Operation: 28*3=84, Resulting Numbers: [81, 91, 84] Generated Node #0,2: 94:[81, 91, 84] Operation: 28*3=84 Moving to Node #0,1 Current State: 94:[3, 91, 53], Operations: ['81-28=53'] Exploring Operation: 53-3=50, Resulting Numbers: [91, 50] Generated Node #0,1,0: 94:[91, 50] Operation: 53-3=50 Exploring Operation: 91-53=38, Resulting Numbers: [3, 38] Generated Node #0,1,1: 94:[3, 38] Operation: 91-53=38 Exploring Operation: 3+91=94, Resulting Numbers: [53, 94] Generated Node #0,1,2: 94:[53, 94] Operation: 3+91=94 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 94:[91, 50], Operations: ['81-28=53', '53-3=50'] Exploring Operation: 91-50=41, Resulting Numbers: [41] 41,94 unequal: No Solution Exploring Operation: 91+50=141, Resulting Numbers: [141] 141,94 unequal: No Solution Exploring Operation: 91*50=4550, Resulting Numbers: [4550] 4550,94 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 #0,1,2 Current State: 94:[53, 94], Operations: ['81-28=53', '3+91=94'] Exploring Operation: 94-53=41, Resulting Numbers: [41] 41,94 unequal: No Solution Exploring Operation: 53+94=147, Resulting Numbers: [147] 147,94 unequal: No Solution Exploring Operation: 53*94=4982, Resulting Numbers: [4982] 4982,94 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:[3, 38], Operations: ['81-28=53', '91-53=38'] Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,94 unequal: No Solution Exploring Operation: 3*38=114, Resulting Numbers: [114] 114,94 unequal: No Solution Exploring Operation: 3+38=41, Resulting Numbers: [41] 41,94 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:[3, 91, 109], Operations: ['81+28=109'] Exploring Operation: 109-91=18, Resulting Numbers: [3, 18] Generated Node #0,0,0: 94:[3, 18] Operation: 109-91=18 Exploring Operation: 3+91=94, Resulting Numbers: [109, 94] Generated Node #0,0,1: 94:[109, 94] Operation: 3+91=94 Exploring Operation: 109-3=106, Resulting Numbers: [91, 106] Generated Node #0,0,2: 94:[91, 106] Operation: 109-3=106 Moving to Node #0,2 Current State: 94:[81, 91, 84], Operations: ['28*3=84'] Exploring Operation: 84-81=3, Resulting Numbers: [91, 3] Generated Node #0,2,0: 94:[91, 3] Operation: 84-81=3 Exploring Operation: 91-84=7, Resulting Numbers: [81, 7] Generated Node #0,2,1: 94:[81, 7] Operation: 91-84=7 Exploring Operation: 91-81=10, Resulting Numbers: [84, 10] Generated Node #0,2,2: 94:[84, 10] Operation: 91-81=10 Moving to Node #0,2,0 Current State: 94:[91, 3], Operations: ['28*3=84', '84-81=3'] Exploring Operation: 91-3=88, Resulting Numbers: [88] 88,94 unequal: No Solution Exploring Operation: 91+3=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[81, 28, 3, 91], Operations: [] Exploring Operation: 28*3=84, Resulting Numbers: [81, 91, 84] Generated Node #0,2: 94:[81, 91, 84] Operation: 28*3=84 Moving to Node #0,2 Current State: 94:[81, 91, 84], Operations: ['28*3=84'] Exploring Operation: 84-81=3, Resulting Numbers: [91, 3] Generated Node #0,2,0: 94:[91, 3] Operation: 84-81=3 Moving to Node #0,2,0 Current State: 94:[91, 3], Operations: ['28*3=84', '84-81=3'] Exploring Operation: 91+3=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
0.976563
hs_3
mult_heuristic
[ 27, 43, 63, 96 ]
17
[ "43-27=16", "96-63=33", "33-16=17" ]
Current State: 17:[27, 43, 63, 96], Operations: [] Exploring Operation: 43-27=16, Resulting Numbers: [63, 96, 16] Generated Node #2: [63, 96, 16] from Operation: 43-27=16 Current State: 17:[63, 96, 16], Operations: ['43-27=16'] Exploring Operation: 96-63=33, Resulting Numbers: [16, 33] Generated Node #3: [16, 33] from Operation: 96-63=33 Current State: 17:[16, 33], Operations: ['43-27=16', '96-63=33'] Exploring Operation: 33-16=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[27, 43, 63, 96], Operations: [] Exploring Operation: 63-43=20, Resulting Numbers: [27, 96, 20] Generated Node #0,0: 17:[27, 96, 20] Operation: 63-43=20 Exploring Operation: 96-63=33, Resulting Numbers: [27, 43, 33] Generated Node #0,1: 17:[27, 43, 33] Operation: 96-63=33 Exploring Operation: 96-43=53, Resulting Numbers: [27, 63, 53] Generated Node #0,2: 17:[27, 63, 53] Operation: 96-43=53 Moving to Node #0,1 Current State: 17:[27, 43, 33], Operations: ['96-63=33'] Exploring Operation: 43-27=16, Resulting Numbers: [33, 16] Generated Node #0,1,0: 17:[33, 16] Operation: 43-27=16 Exploring Operation: 43-33=10, Resulting Numbers: [27, 10] Generated Node #0,1,1: 17:[27, 10] Operation: 43-33=10 Exploring Operation: 33-27=6, Resulting Numbers: [43, 6] Generated Node #0,1,2: 17:[43, 6] Operation: 33-27=6 Moving to Node #0,0 Current State: 17:[27, 96, 20], Operations: ['63-43=20'] Exploring Operation: 96-20=76, Resulting Numbers: [27, 76] Generated Node #0,0,0: 17:[27, 76] Operation: 96-20=76 Exploring Operation: 96-27=69, Resulting Numbers: [20, 69] Generated Node #0,0,1: 17:[20, 69] Operation: 96-27=69 Exploring Operation: 27-20=7, Resulting Numbers: [96, 7] Generated Node #0,0,2: 17:[96, 7] Operation: 27-20=7 Moving to Node #0,2 Current State: 17:[27, 63, 53], Operations: ['96-43=53'] Exploring Operation: 53-27=26, Resulting Numbers: [63, 26] Generated Node #0,2,0: 17:[63, 26] Operation: 53-27=26 Exploring Operation: 63-53=10, Resulting Numbers: [27, 10] Generated Node #0,2,1: 17:[27, 10] Operation: 63-53=10 Exploring Operation: 63-27=36, Resulting Numbers: [53, 36] Generated Node #0,2,2: 17:[53, 36] Operation: 63-27=36 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 17:[27, 10], Operations: ['96-43=53', '63-53=10'] Exploring Operation: 27*10=270, Resulting Numbers: [270] 270,17 unequal: No Solution Exploring Operation: 27-10=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[27, 43, 63, 96], Operations: [] Exploring Operation: 96-43=53, Resulting Numbers: [27, 63, 53] Generated Node #0,2: 17:[27, 63, 53] Operation: 96-43=53 Moving to Node #0,2 Current State: 17:[27, 63, 53], Operations: ['96-43=53'] Exploring Operation: 63-53=10, Resulting Numbers: [27, 10] Generated Node #0,2,1: 17:[27, 10] Operation: 63-53=10 Moving to Node #0,2,1 Current State: 17:[27, 10], Operations: ['96-43=53', '63-53=10'] Exploring Operation: 27-10=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_3
sum_heuristic
[ 30, 26, 40, 2 ]
23
[ "40-30=10", "26/2=13", "10+13=23" ]
Current State: 23:[30, 26, 40, 2], Operations: [] Exploring Operation: 40-30=10, Resulting Numbers: [26, 2, 10] Generated Node #2: [26, 2, 10] from Operation: 40-30=10 Current State: 23:[26, 2, 10], Operations: ['40-30=10'] Exploring Operation: 26/2=13, Resulting Numbers: [10, 13] Generated Node #3: [10, 13] from Operation: 26/2=13 Current State: 23:[10, 13], Operations: ['40-30=10', '26/2=13'] Exploring Operation: 10+13=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[30, 26, 40, 2], Operations: [] Exploring Operation: 40/2=20, Resulting Numbers: [30, 26, 20] Generated Node #0,0: 23:[30, 26, 20] Operation: 40/2=20 Exploring Operation: 30-2=28, Resulting Numbers: [26, 40, 28] Generated Node #0,1: 23:[26, 40, 28] Operation: 30-2=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[30, 26, 20], Operations: ['40/2=20'] Exploring Operation: 30-20=10, Resulting Numbers: [26, 10] Generated Node #0,0,0: 23:[26, 10] Operation: 30-20=10 Exploring Operation: 30-26=4, Resulting Numbers: [20, 4] Generated Node #0,0,1: 23:[20, 4] Operation: 30-26=4 Moving to Node #0,0,0 Current State: 23:[26, 10], Operations: ['40/2=20', '30-20=10'] Exploring Operation: 26+10=36, Resulting Numbers: [36] 36,23 unequal: No Solution Exploring Operation: 26-10=16, Resulting Numbers: [16] 16,23 unequal: No Solution Moving to Node #0,0,1 Current State: 23:[20, 4], Operations: ['40/2=20', '30-26=4'] Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 20+4=24, Resulting Numbers: [24] 24,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[26, 40, 28], Operations: ['30-2=28'] Exploring Operation: 40-26=14, Resulting Numbers: [28, 14] Generated Node #0,1,0: 23:[28, 14] Operation: 40-26=14 Exploring Operation: 40-28=12, Resulting Numbers: [26, 12] Generated Node #0,1,1: 23:[26, 12] Operation: 40-28=12 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 23:[28, 14], Operations: ['30-2=28', '40-26=14'] Exploring Operation: 28-14=14, Resulting Numbers: [14] 14,23 unequal: No Solution Exploring Operation: 28+14=42, Resulting Numbers: [42] 42,23 unequal: No Solution No 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: 23:[26, 12], Operations: ['30-2=28', '40-28=12'] Exploring Operation: 26+12=38, Resulting Numbers: [38] 38,23 unequal: No Solution Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,23 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
[ 27, 49, 63, 7 ]
31
[ "49-27=22", "63/7=9", "22+9=31" ]
Current State: 31:[27, 49, 63, 7], Operations: [] Exploring Operation: 49-27=22, Resulting Numbers: [63, 7, 22] Generated Node #2: [63, 7, 22] from Operation: 49-27=22 Current State: 31:[63, 7, 22], Operations: ['49-27=22'] Exploring Operation: 63/7=9, Resulting Numbers: [22, 9] Generated Node #3: [22, 9] from Operation: 63/7=9 Current State: 31:[22, 9], Operations: ['49-27=22', '63/7=9'] Exploring Operation: 22+9=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[27, 49, 63, 7], Operations: [] Exploring Operation: 63/7=9, Resulting Numbers: [27, 49, 9] Generated Node #0,0: 31:[27, 49, 9] Operation: 63/7=9 Moving to Node #0,0 Current State: 31:[27, 49, 9], Operations: ['63/7=9'] Exploring Operation: 49-9=40, Resulting Numbers: [27, 40] Generated Node #0,0,0: 31:[27, 40] Operation: 49-9=40 Moving to Node #0,0,0 Current State: 31:[27, 40], Operations: ['63/7=9', '49-9=40'] Exploring Operation: 40-27=13, Resulting Numbers: [13] 13,31 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 25, 2, 31, 69 ]
25
[ "31+69=100", "100/2=50", "50-25=25" ]
Current State: 25:[25, 2, 31, 69], Operations: [] Exploring Operation: 31+69=100, Resulting Numbers: [25, 2, 100] Generated Node #2: [25, 2, 100] from Operation: 31+69=100 Current State: 25:[25, 2, 100], Operations: ['31+69=100'] Exploring Operation: 100/2=50, Resulting Numbers: [25, 50] Generated Node #3: [25, 50] from Operation: 100/2=50 Current State: 25:[25, 50], Operations: ['31+69=100', '100/2=50'] Exploring Operation: 50-25=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[25, 2, 31, 69], Operations: [] Exploring Operation: 69-31=38, Resulting Numbers: [25, 2, 38] Generated Node #0,0: 25:[25, 2, 38] Operation: 69-31=38 Moving to Node #0,0 Current State: 25:[25, 2, 38], Operations: ['69-31=38'] Exploring Operation: 38/2=19, Resulting Numbers: [25, 19] Generated Node #0,0,0: 25:[25, 19] Operation: 38/2=19 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 25:[25, 19], Operations: ['69-31=38', '38/2=19'] Exploring Operation: 25-19=6, Resulting Numbers: [6] 6,25 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
[ 39, 2, 10, 2 ]
17
[ "39-2=37", "10*2=20", "37-20=17" ]
Current State: 17:[39, 2, 10, 2], Operations: [] Exploring Operation: 39-2=37, Resulting Numbers: [10, 37] Generated Node #2: [10, 37] from Operation: 39-2=37 Current State: 17:[10, 37], Operations: ['39-2=37'] Exploring Operation: 10*2=20, Resulting Numbers: [37, 20] Generated Node #3: [37, 20] from Operation: 10*2=20 Current State: 17:[37, 20], Operations: ['39-2=37', '10*2=20'] Exploring Operation: 37-20=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[39, 2, 10, 2], Operations: [] Exploring Operation: 39-2=37, Resulting Numbers: [2, 10, 37] Generated Node #0,0: 17:[2, 10, 37] Operation: 39-2=37 Exploring Operation: 10*2=20, Resulting Numbers: [39, 2, 20] Generated Node #0,1: 17:[39, 2, 20] Operation: 10*2=20 Exploring Operation: 39-2=37, Resulting Numbers: [10, 2, 37] Generated Node #0,2: 17:[10, 2, 37] Operation: 39-2=37 Exploring Operation: 2*10=20, Resulting Numbers: [39, 2, 20] Generated Node #0,3: 17:[39, 2, 20] Operation: 2*10=20 Exploring Operation: 39-10=29, Resulting Numbers: [2, 2, 29] Generated Node #0,4: 17:[2, 2, 29] Operation: 39-10=29 Moving to Node #0,1 Current State: 17:[39, 2, 20], Operations: ['10*2=20'] Exploring Operation: 39-20=19, Resulting Numbers: [2, 19] Generated Node #0,1,0: 17:[2, 19] Operation: 39-20=19 Exploring Operation: 2+20=22, Resulting Numbers: [39, 22] Generated Node #0,1,1: 17:[39, 22] Operation: 2+20=22 Exploring Operation: 20-2=18, Resulting Numbers: [39, 18] Generated Node #0,1,2: 17:[39, 18] Operation: 20-2=18 Exploring Operation: 39-2=37, Resulting Numbers: [20, 37] Generated Node #0,1,3: 17:[20, 37] Operation: 39-2=37 Exploring Operation: 39+2=41, Resulting Numbers: [20, 41] Generated Node #0,1,4: 17:[20, 41] Operation: 39+2=41 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 17:[2, 19], Operations: ['10*2=20', '39-20=19'] Exploring Operation: 2+19=21, Resulting Numbers: [21] 21,17 unequal: No Solution Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[39, 2, 10, 2], Operations: [] Exploring Operation: 10*2=20, Resulting Numbers: [39, 2, 20] Generated Node #0,1: 17:[39, 2, 20] Operation: 10*2=20 Moving to Node #0,1 Current State: 17:[39, 2, 20], Operations: ['10*2=20'] Exploring Operation: 39-20=19, Resulting Numbers: [2, 19] Generated Node #0,1,0: 17:[2, 19] Operation: 39-20=19 Moving to Node #0,1,0 Current State: 17:[2, 19], Operations: ['10*2=20', '39-20=19'] Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 16, 79, 79, 29 ]
16
[ "79-79=0", "29*0=0", "16+0=16" ]
Current State: 16:[16, 79, 79, 29], Operations: [] Exploring Operation: 79-79=0, Resulting Numbers: [16, 29, 0] Generated Node #2: [16, 29, 0] from Operation: 79-79=0 Current State: 16:[16, 29, 0], Operations: ['79-79=0'] Exploring Operation: 29*0=0, Resulting Numbers: [16, 0] Generated Node #3: [16, 0] from Operation: 29*0=0 Current State: 16:[16, 0], Operations: ['79-79=0', '29*0=0'] Exploring Operation: 16+0=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[16, 79, 79, 29], Operations: [] Exploring Operation: 79-79=0, Resulting Numbers: [16, 29, 0] Generated Node #0,0: 16:[16, 29, 0] Operation: 79-79=0 Exploring Operation: 79-29=50, Resulting Numbers: [16, 79, 50] Generated Node #0,1: 16:[16, 79, 50] Operation: 79-29=50 Exploring Operation: 79/79=1, Resulting Numbers: [16, 29, 1] Generated Node #0,2: 16:[16, 29, 1] Operation: 79/79=1 Moving to Node #0,2 Current State: 16:[16, 29, 1], Operations: ['79/79=1'] Exploring Operation: 16*1=16, Resulting Numbers: [29, 16] Generated Node #0,2,0: 16:[29, 16] Operation: 16*1=16 Exploring Operation: 29-16=13, Resulting Numbers: [1, 13] Generated Node #0,2,1: 16:[1, 13] Operation: 29-16=13 Exploring Operation: 29-1=28, Resulting Numbers: [16, 28] Generated Node #0,2,2: 16:[16, 28] Operation: 29-1=28 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 16:[1, 13], Operations: ['79/79=1', '29-16=13'] Exploring Operation: 1*13=13, Resulting Numbers: [13] 13,16 unequal: No Solution Exploring Operation: 1+13=14, Resulting Numbers: [14] 14,16 unequal: No Solution Exploring Operation: 13/1=13, Resulting Numbers: [13] 13,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 16:[16, 28], Operations: ['79/79=1', '29-1=28'] Exploring Operation: 28-16=12, Resulting Numbers: [12] 12,16 unequal: No Solution Exploring Operation: 16*28=448, Resulting Numbers: [448] 448,16 unequal: No Solution Exploring Operation: 16+28=44, Resulting Numbers: [44] 44,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 16:[29, 16], Operations: ['79/79=1', '16*1=16'] Exploring Operation: 29-16=13, Resulting Numbers: [13] 13,16 unequal: No Solution Exploring Operation: 29+16=45, Resulting Numbers: [45] 45,16 unequal: No Solution Exploring Operation: 29*16=464, Resulting Numbers: [464] 464,16 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: 16:[16, 29, 0], Operations: ['79-79=0'] Exploring Operation: 29-16=13, Resulting Numbers: [0, 13] Generated Node #0,0,0: 16:[0, 13] Operation: 29-16=13 Exploring Operation: 16+0=16, Resulting Numbers: [29, 16] Generated Node #0,0,1: 16:[29, 16] Operation: 16+0=16 Exploring Operation: 29*0=0, Resulting Numbers: [16, 0] Generated Node #0,0,2: 16:[16, 0] Operation: 29*0=0 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 16:[16, 0], Operations: ['79-79=0', '29*0=0'] Exploring Operation: 16-0=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[16, 79, 79, 29], Operations: [] Exploring Operation: 79-79=0, Resulting Numbers: [16, 29, 0] Generated Node #0,0: 16:[16, 29, 0] Operation: 79-79=0 Moving to Node #0,0 Current State: 16:[16, 29, 0], Operations: ['79-79=0'] Exploring Operation: 29*0=0, Resulting Numbers: [16, 0] Generated Node #0,0,2: 16:[16, 0] Operation: 29*0=0 Moving to Node #0,0,2 Current State: 16:[16, 0], Operations: ['79-79=0', '29*0=0'] Exploring Operation: 16-0=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_3
sum_heuristic
[ 14, 24, 20, 14 ]
43
[ "14/14=1", "24+20=44", "44-1=43" ]
Current State: 43:[14, 24, 20, 14], Operations: [] Exploring Operation: 14/14=1, Resulting Numbers: [24, 20, 1] Generated Node #2: [24, 20, 1] from Operation: 14/14=1 Current State: 43:[24, 20, 1], Operations: ['14/14=1'] Exploring Operation: 24+20=44, Resulting Numbers: [1, 44] Generated Node #3: [1, 44] from Operation: 24+20=44 Current State: 43:[1, 44], Operations: ['14/14=1', '24+20=44'] Exploring Operation: 44-1=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[14, 24, 20, 14], Operations: [] Exploring Operation: 14+20=34, Resulting Numbers: [24, 14, 34] Generated Node #0,0: 43:[24, 14, 34] Operation: 14+20=34 Exploring Operation: 20+14=34, Resulting Numbers: [14, 24, 34] Generated Node #0,1: 43:[14, 24, 34] Operation: 20+14=34 Exploring Operation: 24+14=38, Resulting Numbers: [14, 20, 38] Generated Node #0,2: 43:[14, 20, 38] Operation: 24+14=38 Exploring Operation: 14+24=38, Resulting Numbers: [20, 14, 38] Generated Node #0,3: 43:[20, 14, 38] Operation: 14+24=38 Exploring Operation: 14+14=28, Resulting Numbers: [24, 20, 28] Generated Node #0,4: 43:[24, 20, 28] Operation: 14+14=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[24, 14, 34], Operations: ['14+20=34'] Exploring Operation: 14+34=48, Resulting Numbers: [24, 48] Generated Node #0,0,0: 43:[24, 48] Operation: 14+34=48 Exploring Operation: 24+34=58, Resulting Numbers: [14, 58] Generated Node #0,0,1: 43:[14, 58] Operation: 24+34=58 Exploring Operation: 34-14=20, Resulting Numbers: [24, 20] Generated Node #0,0,2: 43:[24, 20] Operation: 34-14=20 Exploring Operation: 24+14=38, Resulting Numbers: [34, 38] Generated Node #0,0,3: 43:[34, 38] Operation: 24+14=38 Exploring Operation: 24-14=10, Resulting Numbers: [34, 10] Generated Node #0,0,4: 43:[34, 10] Operation: 24-14=10 Moving to Node #0,0,3 Current State: 43:[34, 38], Operations: ['14+20=34', '24+14=38'] Exploring Operation: 34*38=1292, Resulting Numbers: [1292] 1292,43 unequal: No Solution Exploring Operation: 38-34=4, Resulting Numbers: [4] 4,43 unequal: No Solution Exploring Operation: 34+38=72, Resulting Numbers: [72] 72,43 unequal: No Solution Moving to Node #0,0,0 Current State: 43:[24, 48], Operations: ['14+20=34', '14+34=48'] Exploring Operation: 24*48=1152, Resulting Numbers: [1152] 1152,43 unequal: No Solution Exploring Operation: 24+48=72, Resulting Numbers: [72] 72,43 unequal: No Solution Exploring Operation: 48/24=2, Resulting Numbers: [2] 2,43 unequal: No Solution Exploring Operation: 48-24=24, Resulting Numbers: [24] 24,43 unequal: No Solution Moving to Node #0,0,2 Current State: 43:[24, 20], Operations: ['14+20=34', '34-14=20'] Exploring Operation: 24*20=480, Resulting Numbers: [480] 480,43 unequal: No Solution Exploring Operation: 24+20=44, Resulting Numbers: [44] 44,43 unequal: No Solution Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,43 unequal: No Solution Moving to Node #0,0,4 Current State: 43:[34, 10], Operations: ['14+20=34', '24-14=10'] Exploring Operation: 34+10=44, Resulting Numbers: [44] 44,43 unequal: No Solution Exploring Operation: 34*10=340, Resulting Numbers: [340] 340,43 unequal: No Solution Exploring Operation: 34-10=24, Resulting Numbers: [24] 24,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[14, 58], Operations: ['14+20=34', '24+34=58'] Exploring Operation: 14+58=72, Resulting Numbers: [72] 72,43 unequal: No Solution Exploring Operation: 58-14=44, Resulting Numbers: [44] 44,43 unequal: No Solution Exploring Operation: 14*58=812, Resulting Numbers: [812] 812,43 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:[14, 24, 34], Operations: ['20+14=34'] Exploring Operation: 34-14=20, Resulting Numbers: [24, 20] Generated Node #0,1,0: 43:[24, 20] Operation: 34-14=20 Exploring Operation: 14+34=48, Resulting Numbers: [24, 48] Generated Node #0,1,1: 43:[24, 48] Operation: 14+34=48 Exploring Operation: 24-14=10, Resulting Numbers: [34, 10] Generated Node #0,1,2: 43:[34, 10] Operation: 24-14=10 Exploring Operation: 14+24=38, Resulting Numbers: [34, 38] Generated Node #0,1,3: 43:[34, 38] Operation: 14+24=38 Exploring Operation: 24+34=58, Resulting Numbers: [14, 58] Generated Node #0,1,4: 43:[14, 58] Operation: 24+34=58 Moving to Node #0,1,3 Current State: 43:[34, 38], Operations: ['20+14=34', '14+24=38'] Exploring Operation: 38-34=4, Resulting Numbers: [4] 4,43 unequal: No Solution Exploring Operation: 34*38=1292, Resulting Numbers: [1292] 1292,43 unequal: No Solution Exploring Operation: 34+38=72, Resulting Numbers: [72] 72,43 unequal: No Solution Moving to Node #0,1,1 Current State: 43:[24, 48], Operations: ['20+14=34', '14+34=48'] Exploring Operation: 24*48=1152, Resulting Numbers: [1152] 1152,43 unequal: No Solution Exploring Operation: 48/24=2, Resulting Numbers: [2] 2,43 unequal: No Solution Exploring Operation: 24+48=72, Resulting Numbers: [72] 72,43 unequal: No Solution Exploring Operation: 48-24=24, Resulting Numbers: [24] 24,43 unequal: No Solution Moving to Node #0,1,0 Current State: 43:[24, 20], Operations: ['20+14=34', '34-14=20'] Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,43 unequal: No Solution Exploring Operation: 24*20=480, Resulting Numbers: [480] 480,43 unequal: No Solution Exploring Operation: 24+20=44, Resulting Numbers: [44] 44,43 unequal: No Solution Moving to Node #0,1,2 Current State: 43:[34, 10], Operations: ['20+14=34', '24-14=10'] Exploring Operation: 34*10=340, Resulting Numbers: [340] 340,43 unequal: No Solution Exploring Operation: 34+10=44, Resulting Numbers: [44] 44,43 unequal: No Solution Exploring Operation: 34-10=24, Resulting Numbers: [24] 24,43 unequal: No Solution Moving to Node #0,1,4 Current State: 43:[14, 58], Operations: ['20+14=34', '24+34=58'] Exploring Operation: 58-14=44, Resulting Numbers: [44] 44,43 unequal: No Solution Exploring Operation: 14+58=72, Resulting Numbers: [72] 72,43 unequal: No Solution Exploring Operation: 14*58=812, Resulting Numbers: [812] 812,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 43:[14, 20, 38], Operations: ['24+14=38'] Exploring Operation: 20-14=6, Resulting Numbers: [38, 6] Generated Node #0,2,0: 43:[38, 6] Operation: 20-14=6 Exploring Operation: 14+38=52, Resulting Numbers: [20, 52] Generated Node #0,2,1: 43:[20, 52] Operation: 14+38=52 Exploring Operation: 38-14=24, Resulting Numbers: [20, 24] Generated Node #0,2,2: 43:[20, 24] Operation: 38-14=24 Exploring Operation: 14+20=34, Resulting Numbers: [38, 34] Generated Node #0,2,3: 43:[38, 34] Operation: 14+20=34 Exploring Operation: 20+38=58, Resulting Numbers: [14, 58] Generated Node #0,2,4: 43:[14, 58] Operation: 20+38=58 Moving to Node #0,2,3 Current State: 43:[38, 34], Operations: ['24+14=38', '14+20=34'] Exploring Operation: 38*34=1292, Resulting Numbers: [1292] 1292,43 unequal: No Solution Exploring Operation: 38-34=4, Resulting Numbers: [4] 4,43 unequal: No Solution Exploring Operation: 38+34=72, Resulting Numbers: [72] 72,43 unequal: No Solution Moving to Node #0,2,1 Current State: 43:[20, 52], Operations: ['24+14=38', '14+38=52'] Exploring Operation: 20*52=1040, Resulting Numbers: [1040] 1040,43 unequal: No Solution Exploring Operation: 52-20=32, Resulting Numbers: [32] 32,43 unequal: No Solution Exploring Operation: 20+52=72, Resulting Numbers: [72] 72,43 unequal: No Solution Moving to Node #0,2,0 Current State: 43:[38, 6], Operations: ['24+14=38', '20-14=6'] Exploring Operation: 38*6=228, Resulting Numbers: [228] 228,43 unequal: No Solution Exploring Operation: 38-6=32, Resulting Numbers: [32] 32,43 unequal: No Solution Exploring Operation: 38+6=44, Resulting Numbers: [44] 44,43 unequal: No Solution Moving to Node #0,2,2 Current State: 43:[20, 24], Operations: ['24+14=38', '38-14=24'] Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,43 unequal: No Solution Exploring Operation: 20+24=44, Resulting Numbers: [44] 44,43 unequal: No Solution Exploring Operation: 20*24=480, Resulting Numbers: [480] 480,43 unequal: No Solution Moving to Node #0,2,4 Current State: 43:[14, 58], Operations: ['24+14=38', '20+38=58'] Exploring Operation: 14+58=72, Resulting Numbers: [72] 72,43 unequal: No Solution Exploring Operation: 14*58=812, Resulting Numbers: [812] 812,43 unequal: No Solution Exploring Operation: 58-14=44, Resulting Numbers: [44] 44,43 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 #0,3 Current State: 43:[20, 14, 38], Operations: ['14+24=38'] Exploring Operation: 38-14=24, Resulting Numbers: [20, 24] Generated Node #0,3,0: 43:[20, 24] Operation: 38-14=24 Exploring Operation: 20-14=6, Resulting Numbers: [38, 6] Generated Node #0,3,1: 43:[38, 6] Operation: 20-14=6 Exploring Operation: 20+38=58, Resulting Numbers: [14, 58] Generated Node #0,3,2: 43:[14, 58] Operation: 20+38=58 Exploring Operation: 14+38=52, Resulting Numbers: [20, 52] Generated Node #0,3,3: 43:[20, 52] Operation: 14+38=52 Exploring Operation: 20+14=34, Resulting Numbers: [38, 34] Generated Node #0,3,4: 43:[38, 34] Operation: 20+14=34 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 43:[38, 34], Operations: ['14+24=38', '20+14=34'] Exploring Operation: 38*34=1292, Resulting Numbers: [1292] 1292,43 unequal: No Solution Exploring Operation: 38+34=72, Resulting Numbers: [72] 72,43 unequal: No Solution Exploring Operation: 38-34=4, Resulting Numbers: [4] 4,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 43:[20, 52], Operations: ['14+24=38', '14+38=52'] Exploring Operation: 52-20=32, Resulting Numbers: [32] 32,43 unequal: No Solution Exploring Operation: 20+52=72, Resulting Numbers: [72] 72,43 unequal: No Solution Exploring Operation: 20*52=1040, Resulting Numbers: [1040] 1040,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 43:[20, 24], Operations: ['14+24=38', '38-14=24'] Exploring Operation: 20*24=480, Resulting Numbers: [480] 480,43 unequal: No Solution Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,43 unequal: No Solution Exploring Operation: 20+24=44, Resulting Numbers: [44] 44,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 43:[38, 6], Operations: ['14+24=38', '20-14=6'] Exploring Operation: 38-6=32, Resulting Numbers: [32] 32,43 unequal: No Solution Exploring Operation: 38*6=228, Resulting Numbers: [228] 228,43 unequal: No Solution Exploring Operation: 38+6=44, Resulting Numbers: [44] 44,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 43:[14, 58], Operations: ['14+24=38', '20+38=58'] Exploring Operation: 14*58=812, Resulting Numbers: [812] 812,43 unequal: No Solution Exploring Operation: 58-14=44, Resulting Numbers: [44] 44,43 unequal: No Solution Exploring Operation: 14+58=72, Resulting Numbers: [72] 72,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 43:[24, 20, 28], Operations: ['14+14=28'] Exploring Operation: 24-20=4, Resulting Numbers: [28, 4] Generated Node #0,4,0: 43:[28, 4] Operation: 24-20=4 Exploring Operation: 28-20=8, Resulting Numbers: [24, 8] Generated Node #0,4,1: 43:[24, 8] Operation: 28-20=8 Exploring Operation: 20+28=48, Resulting Numbers: [24, 48] Generated Node #0,4,2: 43:[24, 48] Operation: 20+28=48 Exploring Operation: 24+28=52, Resulting Numbers: [20, 52] Generated Node #0,4,3: 43:[20, 52] Operation: 24+28=52 Exploring Operation: 24+20=44, Resulting Numbers: [28, 44] Generated Node #0,4,4: 43:[28, 44] Operation: 24+20=44 Moving to Node #0,4,4 Current State: 43:[28, 44], Operations: ['14+14=28', '24+20=44'] Exploring Operation: 44-28=16, Resulting Numbers: [16] 16,43 unequal: No Solution Exploring Operation: 28+44=72, Resulting Numbers: [72] 72,43 unequal: No Solution Exploring Operation: 28*44=1232, Resulting Numbers: [1232] 1232,43 unequal: No Solution Moving to Node #0,4,2 Current State: 43:[24, 48], Operations: ['14+14=28', '20+28=48'] Exploring Operation: 48/24=2, Resulting Numbers: [2] 2,43 unequal: No Solution Exploring Operation: 24+48=72, Resulting Numbers: [72] 72,43 unequal: No Solution Exploring Operation: 24*48=1152, Resulting Numbers: [1152] 1152,43 unequal: No Solution Exploring Operation: 48-24=24, Resulting Numbers: [24] 24,43 unequal: No Solution Moving to Node #0,4,3 Current State: 43:[20, 52], Operations: ['14+14=28', '24+28=52'] Exploring Operation: 20+52=72, Resulting Numbers: [72] 72,43 unequal: No Solution Exploring Operation: 52-20=32, Resulting Numbers: [32] 32,43 unequal: No Solution Exploring Operation: 20*52=1040, Resulting Numbers: [1040] 1040,43 unequal: No Solution Moving to Node #0,4,0 Current State: 43:[28, 4], Operations: ['14+14=28', '24-20=4'] Exploring Operation: 28*4=112, Resulting Numbers: [112] 112,43 unequal: No Solution Exploring Operation: 28+4=32, Resulting Numbers: [32] 32,43 unequal: No Solution Exploring Operation: 28/4=7, Resulting Numbers: [7] 7,43 unequal: No Solution Exploring Operation: 28-4=24, Resulting Numbers: [24] 24,43 unequal: No Solution Moving to Node #0,4,1 Current State: 43:[24, 8], Operations: ['14+14=28', '28-20=8'] Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,43 unequal: No Solution Exploring Operation: 24+8=32, Resulting Numbers: [32] 32,43 unequal: No Solution Exploring Operation: 24*8=192, Resulting Numbers: [192] 192,43 unequal: No Solution Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 58, 81, 41, 94 ]
76
[ "81-58=23", "94-41=53", "23+53=76" ]
Current State: 76:[58, 81, 41, 94], Operations: [] Exploring Operation: 81-58=23, Resulting Numbers: [41, 94, 23] Generated Node #2: [41, 94, 23] from Operation: 81-58=23 Current State: 76:[41, 94, 23], Operations: ['81-58=23'] Exploring Operation: 94-41=53, Resulting Numbers: [23, 53] Generated Node #3: [23, 53] from Operation: 94-41=53 Current State: 76:[23, 53], Operations: ['81-58=23', '94-41=53'] Exploring Operation: 23+53=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[58, 81, 41, 94], Operations: [] Exploring Operation: 81-41=40, Resulting Numbers: [58, 94, 40] Generated Node #0,0: 76:[58, 94, 40] Operation: 81-41=40 Exploring Operation: 81-58=23, Resulting Numbers: [41, 94, 23] Generated Node #0,1: 76:[41, 94, 23] Operation: 81-58=23 Exploring Operation: 94-58=36, Resulting Numbers: [81, 41, 36] Generated Node #0,2: 76:[81, 41, 36] Operation: 94-58=36 Exploring Operation: 58-41=17, Resulting Numbers: [81, 94, 17] Generated Node #0,3: 76:[81, 94, 17] Operation: 58-41=17 Exploring Operation: 94-81=13, Resulting Numbers: [58, 41, 13] Generated Node #0,4: 76:[58, 41, 13] Operation: 94-81=13 Start Sub Search at level 1: Moving to Node #0,2 Current State: 76:[81, 41, 36], Operations: ['94-58=36'] Exploring Operation: 81+36=117, Resulting Numbers: [41, 117] Generated Node #0,2,0: 76:[41, 117] Operation: 81+36=117 Exploring Operation: 81-36=45, Resulting Numbers: [41, 45] Generated Node #0,2,1: 76:[41, 45] Operation: 81-36=45 Exploring Operation: 81-41=40, Resulting Numbers: [36, 40] Generated Node #0,2,2: 76:[36, 40] Operation: 81-41=40 Exploring Operation: 41+36=77, Resulting Numbers: [81, 77] Generated Node #0,2,3: 76:[81, 77] Operation: 41+36=77 Exploring Operation: 41-36=5, Resulting Numbers: [81, 5] Generated Node #0,2,4: 76:[81, 5] Operation: 41-36=5 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 76:[36, 40], Operations: ['94-58=36', '81-41=40'] Exploring Operation: 36+40=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[58, 81, 41, 94], Operations: [] Exploring Operation: 94-58=36, Resulting Numbers: [81, 41, 36] Generated Node #0,2: 76:[81, 41, 36] Operation: 94-58=36 Moving to Node #0,2 Current State: 76:[81, 41, 36], Operations: ['94-58=36'] Exploring Operation: 81-41=40, Resulting Numbers: [36, 40] Generated Node #0,2,2: 76:[36, 40] Operation: 81-41=40 Moving to Node #0,2,2 Current State: 76:[36, 40], Operations: ['94-58=36', '81-41=40'] Exploring Operation: 36+40=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 49, 18, 31, 86 ]
29
[ "49*31=1519", "18*86=1548", "1548-1519=29" ]
Current State: 29:[49, 18, 31, 86], Operations: [] Exploring Operation: 49*31=1519, Resulting Numbers: [18, 86, 1519] Generated Node #2: [18, 86, 1519] from Operation: 49*31=1519 Current State: 29:[18, 86, 1519], Operations: ['49*31=1519'] Exploring Operation: 18*86=1548, Resulting Numbers: [1519, 1548] Generated Node #3: [1519, 1548] from Operation: 18*86=1548 Current State: 29:[1519, 1548], Operations: ['49*31=1519', '18*86=1548'] Exploring Operation: 1548-1519=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[49, 18, 31, 86], Operations: [] Exploring Operation: 86-49=37, Resulting Numbers: [18, 31, 37] Generated Node #0,0: 29:[18, 31, 37] Operation: 86-49=37 Exploring Operation: 86-31=55, Resulting Numbers: [49, 18, 55] Generated Node #0,1: 29:[49, 18, 55] Operation: 86-31=55 Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[18, 31, 37], Operations: ['86-49=37'] Exploring Operation: 31-18=13, Resulting Numbers: [37, 13] Generated Node #0,0,0: 29:[37, 13] Operation: 31-18=13 Exploring Operation: 37-18=19, Resulting Numbers: [31, 19] Generated Node #0,0,1: 29:[31, 19] Operation: 37-18=19 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 29:[31, 19], Operations: ['86-49=37', '37-18=19'] Exploring Operation: 31-19=12, Resulting Numbers: [12] 12,29 unequal: No Solution Exploring Operation: 31+19=50, Resulting Numbers: [50] 50,29 unequal: No Solution No 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: 29:[37, 13], Operations: ['86-49=37', '31-18=13'] Exploring Operation: 37-13=24, Resulting Numbers: [24] 24,29 unequal: No Solution Exploring Operation: 37+13=50, Resulting Numbers: [50] 50,29 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: 29:[49, 18, 55], Operations: ['86-31=55'] Exploring Operation: 55-18=37, Resulting Numbers: [49, 37] Generated Node #0,1,0: 29:[49, 37] Operation: 55-18=37 Exploring Operation: 49-18=31, Resulting Numbers: [55, 31] Generated Node #0,1,1: 29:[55, 31] Operation: 49-18=31 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 29:[49, 37], Operations: ['86-31=55', '55-18=37'] Exploring Operation: 49-37=12, Resulting Numbers: [12] 12,29 unequal: No Solution Exploring Operation: 49+37=86, Resulting Numbers: [86] 86,29 unequal: No Solution No 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: 29:[55, 31], Operations: ['86-31=55', '49-18=31'] Exploring Operation: 55+31=86, Resulting Numbers: [86] 86,29 unequal: No Solution Exploring Operation: 55-31=24, Resulting Numbers: [24] 24,29 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
[ 23, 52, 15, 13 ]
47
[ "23+52=75", "15+13=28", "75-28=47" ]
Current State: 47:[23, 52, 15, 13], Operations: [] Exploring Operation: 23+52=75, Resulting Numbers: [15, 13, 75] Generated Node #2: [15, 13, 75] from Operation: 23+52=75 Current State: 47:[15, 13, 75], Operations: ['23+52=75'] Exploring Operation: 15+13=28, Resulting Numbers: [75, 28] Generated Node #3: [75, 28] from Operation: 15+13=28 Current State: 47:[75, 28], Operations: ['23+52=75', '15+13=28'] Exploring Operation: 75-28=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[23, 52, 15, 13], Operations: [] Exploring Operation: 23+13=36, Resulting Numbers: [52, 15, 36] Generated Node #0,0: 47:[52, 15, 36] Operation: 23+13=36 Exploring Operation: 23+15=38, Resulting Numbers: [52, 13, 38] Generated Node #0,1: 47:[52, 13, 38] Operation: 23+15=38 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[52, 15, 36], Operations: ['23+13=36'] Exploring Operation: 52-15=37, Resulting Numbers: [36, 37] Generated Node #0,0,0: 47:[36, 37] Operation: 52-15=37 Exploring Operation: 15+36=51, Resulting Numbers: [52, 51] Generated Node #0,0,1: 47:[52, 51] Operation: 15+36=51 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 47:[52, 51], Operations: ['23+13=36', '15+36=51'] Exploring Operation: 52+51=103, Resulting Numbers: [103] 103,47 unequal: No Solution Exploring Operation: 52-51=1, Resulting Numbers: [1] 1,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 47:[36, 37], Operations: ['23+13=36', '52-15=37'] Exploring Operation: 37-36=1, Resulting Numbers: [1] 1,47 unequal: No Solution Exploring Operation: 36+37=73, Resulting Numbers: [73] 73,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 47:[52, 13, 38], Operations: ['23+15=38'] Exploring Operation: 52-13=39, Resulting Numbers: [38, 39] Generated Node #0,1,0: 47:[38, 39] Operation: 52-13=39 Exploring Operation: 13+38=51, Resulting Numbers: [52, 51] Generated Node #0,1,1: 47:[52, 51] Operation: 13+38=51 Moving to Node #0,1,1 Current State: 47:[52, 51], Operations: ['23+15=38', '13+38=51'] Exploring Operation: 52-51=1, Resulting Numbers: [1] 1,47 unequal: No Solution Exploring Operation: 52+51=103, Resulting Numbers: [103] 103,47 unequal: No Solution Moving to Node #0,1,0 Current State: 47:[38, 39], Operations: ['23+15=38', '52-13=39'] Exploring Operation: 39-38=1, Resulting Numbers: [1] 1,47 unequal: No Solution Exploring Operation: 38+39=77, Resulting Numbers: [77] 77,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 69, 7, 91, 39 ]
72
[ "91/7=13", "39/13=3", "69+3=72" ]
Current State: 72:[69, 7, 91, 39], Operations: [] Exploring Operation: 91/7=13, Resulting Numbers: [69, 39, 13] Generated Node #2: [69, 39, 13] from Operation: 91/7=13 Current State: 72:[69, 39, 13], Operations: ['91/7=13'] Exploring Operation: 39/13=3, Resulting Numbers: [69, 3] Generated Node #3: [69, 3] from Operation: 39/13=3 Current State: 72:[69, 3], Operations: ['91/7=13', '39/13=3'] Exploring Operation: 69+3=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[69, 7, 91, 39], Operations: [] Exploring Operation: 91-69=22, Resulting Numbers: [7, 39, 22] Generated Node #0,0: 72:[7, 39, 22] Operation: 91-69=22 Exploring Operation: 91/7=13, Resulting Numbers: [69, 39, 13] Generated Node #0,1: 72:[69, 39, 13] Operation: 91/7=13 Moving to Node #0,0 Current State: 72:[7, 39, 22], Operations: ['91-69=22'] Exploring Operation: 39-22=17, Resulting Numbers: [7, 17] Generated Node #0,0,0: 72:[7, 17] Operation: 39-22=17 Exploring Operation: 39-7=32, Resulting Numbers: [22, 32] Generated Node #0,0,1: 72:[22, 32] Operation: 39-7=32 Moving to Node #0,1 Current State: 72:[69, 39, 13], Operations: ['91/7=13'] Exploring Operation: 39/13=3, Resulting Numbers: [69, 3] Generated Node #0,1,0: 72:[69, 3] Operation: 39/13=3 Exploring Operation: 39-13=26, Resulting Numbers: [69, 26] Generated Node #0,1,1: 72:[69, 26] Operation: 39-13=26 Moving to Node #0,0,0 Current State: 72:[7, 17], Operations: ['91-69=22', '39-22=17'] Exploring Operation: 7+17=24, Resulting Numbers: [24] 24,72 unequal: No Solution Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,72 unequal: No Solution Moving to Node #0,1,0 Current State: 72:[69, 3], Operations: ['91/7=13', '39/13=3'] Exploring Operation: 69+3=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[69, 7, 91, 39], Operations: [] Exploring Operation: 91/7=13, Resulting Numbers: [69, 39, 13] Generated Node #0,1: 72:[69, 39, 13] Operation: 91/7=13 Moving to Node #0,1 Current State: 72:[69, 39, 13], Operations: ['91/7=13'] Exploring Operation: 39/13=3, Resulting Numbers: [69, 3] Generated Node #0,1,0: 72:[69, 3] Operation: 39/13=3 Moving to Node #0,1,0 Current State: 72:[69, 3], Operations: ['91/7=13', '39/13=3'] Exploring Operation: 69+3=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
0.988715
hs_2
mult_heuristic
[ 29, 17, 55, 84 ]
18
[ "29+55=84", "84/84=1", "17+1=18" ]
Current State: 18:[29, 17, 55, 84], Operations: [] Exploring Operation: 29+55=84, Resulting Numbers: [17, 84, 84] Generated Node #2: [17, 84, 84] from Operation: 29+55=84 Current State: 18:[17, 84, 84], Operations: ['29+55=84'] Exploring Operation: 84/84=1, Resulting Numbers: [17, 1] Generated Node #3: [17, 1] from Operation: 84/84=1 Current State: 18:[17, 1], Operations: ['29+55=84', '84/84=1'] Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[29, 17, 55, 84], Operations: [] Exploring Operation: 84-55=29, Resulting Numbers: [29, 17, 29] Generated Node #0,0: 18:[29, 17, 29] Operation: 84-55=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[29, 17, 29], Operations: ['84-55=29'] Exploring Operation: 29/29=1, Resulting Numbers: [17, 1] Generated Node #0,0,0: 18:[17, 1] Operation: 29/29=1 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 18:[17, 1], Operations: ['84-55=29', '29/29=1'] Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[29, 17, 55, 84], Operations: [] Exploring Operation: 84-55=29, Resulting Numbers: [29, 17, 29] Generated Node #0,0: 18:[29, 17, 29] Operation: 84-55=29 Moving to Node #0,0 Current State: 18:[29, 17, 29], Operations: ['84-55=29'] Exploring Operation: 29/29=1, Resulting Numbers: [17, 1] Generated Node #0,0,0: 18:[17, 1] Operation: 29/29=1 Moving to Node #0,0,0 Current State: 18:[17, 1], Operations: ['84-55=29', '29/29=1'] Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 1, 4, 36, 23 ]
14
[ "1*4=4", "36/4=9", "23-9=14" ]
Current State: 14:[1, 4, 36, 23], Operations: [] Exploring Operation: 1*4=4, Resulting Numbers: [36, 23, 4] Generated Node #2: [36, 23, 4] from Operation: 1*4=4 Current State: 14:[36, 23, 4], Operations: ['1*4=4'] Exploring Operation: 36/4=9, Resulting Numbers: [23, 9] Generated Node #3: [23, 9] from Operation: 36/4=9 Current State: 14:[23, 9], Operations: ['1*4=4', '36/4=9'] Exploring Operation: 23-9=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[1, 4, 36, 23], Operations: [] Exploring Operation: 36-23=13, Resulting Numbers: [1, 4, 13] Generated Node #0,0: 14:[1, 4, 13] Operation: 36-23=13 Moving to Node #0,0 Current State: 14:[1, 4, 13], Operations: ['36-23=13'] Exploring Operation: 4-1=3, Resulting Numbers: [13, 3] Generated Node #0,0,0: 14:[13, 3] Operation: 4-1=3 Moving to Node #0,0,0 Current State: 14:[13, 3], Operations: ['36-23=13', '4-1=3'] Exploring Operation: 13+3=16, Resulting Numbers: [16] 16,14 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 70, 68, 58, 14 ]
86
[ "70-68=2", "14*2=28", "58+28=86" ]
Current State: 86:[70, 68, 58, 14], Operations: [] Exploring Operation: 70-68=2, Resulting Numbers: [58, 14, 2] Generated Node #2: [58, 14, 2] from Operation: 70-68=2 Current State: 86:[58, 14, 2], Operations: ['70-68=2'] Exploring Operation: 14*2=28, Resulting Numbers: [58, 28] Generated Node #3: [58, 28] from Operation: 14*2=28 Current State: 86:[58, 28], Operations: ['70-68=2', '14*2=28'] Exploring Operation: 58+28=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[70, 68, 58, 14], Operations: [] Exploring Operation: 70-68=2, Resulting Numbers: [58, 14, 2] Generated Node #0,0: 86:[58, 14, 2] Operation: 70-68=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[58, 14, 2], Operations: ['70-68=2'] Exploring Operation: 58-14=44, Resulting Numbers: [2, 44] Generated Node #0,0,0: 86:[2, 44] Operation: 58-14=44 Moving to Node #0,0,0 Current State: 86:[2, 44], Operations: ['70-68=2', '58-14=44'] Exploring Operation: 44-2=42, Resulting Numbers: [42] 42,86 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
[ 54, 66, 7, 82 ]
87
[ "66-54=12", "82-7=75", "12+75=87" ]
Current State: 87:[54, 66, 7, 82], Operations: [] Exploring Operation: 66-54=12, Resulting Numbers: [7, 82, 12] Generated Node #2: [7, 82, 12] from Operation: 66-54=12 Current State: 87:[7, 82, 12], Operations: ['66-54=12'] Exploring Operation: 82-7=75, Resulting Numbers: [12, 75] Generated Node #3: [12, 75] from Operation: 82-7=75 Current State: 87:[12, 75], Operations: ['66-54=12', '82-7=75'] Exploring Operation: 12+75=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[54, 66, 7, 82], Operations: [] Exploring Operation: 66-54=12, Resulting Numbers: [7, 82, 12] Generated Node #0,0: 87:[7, 82, 12] Operation: 66-54=12 Moving to Node #0,0 Current State: 87:[7, 82, 12], Operations: ['66-54=12'] Exploring Operation: 12-7=5, Resulting Numbers: [82, 5] Generated Node #0,0,0: 87:[82, 5] Operation: 12-7=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 87:[82, 5], Operations: ['66-54=12', '12-7=5'] Exploring Operation: 82+5=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[54, 66, 7, 82], Operations: [] Exploring Operation: 66-54=12, Resulting Numbers: [7, 82, 12] Generated Node #0,0: 87:[7, 82, 12] Operation: 66-54=12 Moving to Node #0,0 Current State: 87:[7, 82, 12], Operations: ['66-54=12'] Exploring Operation: 12-7=5, Resulting Numbers: [82, 5] Generated Node #0,0,0: 87:[82, 5] Operation: 12-7=5 Moving to Node #0,0,0 Current State: 87:[82, 5], Operations: ['66-54=12', '12-7=5'] Exploring Operation: 82+5=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 5, 34, 11, 25 ]
53
[ "5+34=39", "25-11=14", "39+14=53" ]
Current State: 53:[5, 34, 11, 25], Operations: [] Exploring Operation: 5+34=39, Resulting Numbers: [11, 25, 39] Generated Node #2: [11, 25, 39] from Operation: 5+34=39 Current State: 53:[11, 25, 39], Operations: ['5+34=39'] Exploring Operation: 25-11=14, Resulting Numbers: [39, 14] Generated Node #3: [39, 14] from Operation: 25-11=14 Current State: 53:[39, 14], Operations: ['5+34=39', '25-11=14'] Exploring Operation: 39+14=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[5, 34, 11, 25], Operations: [] Exploring Operation: 5*11=55, Resulting Numbers: [34, 25, 55] Generated Node #0,0: 53:[34, 25, 55] Operation: 5*11=55 Exploring Operation: 5+34=39, Resulting Numbers: [11, 25, 39] Generated Node #0,1: 53:[11, 25, 39] Operation: 5+34=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[34, 25, 55], Operations: ['5*11=55'] Exploring Operation: 34+25=59, Resulting Numbers: [55, 59] Generated Node #0,0,0: 53:[55, 59] Operation: 34+25=59 Exploring Operation: 55-25=30, Resulting Numbers: [34, 30] Generated Node #0,0,1: 53:[34, 30] Operation: 55-25=30 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 53:[55, 59], Operations: ['5*11=55', '34+25=59'] Exploring Operation: 55+59=114, Resulting Numbers: [114] 114,53 unequal: No Solution Exploring Operation: 59-55=4, Resulting Numbers: [4] 4,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 53:[34, 30], Operations: ['5*11=55', '55-25=30'] Exploring Operation: 34-30=4, Resulting Numbers: [4] 4,53 unequal: No Solution Exploring Operation: 34+30=64, Resulting Numbers: [64] 64,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[11, 25, 39], Operations: ['5+34=39'] Exploring Operation: 11+39=50, Resulting Numbers: [25, 50] Generated Node #0,1,0: 53:[25, 50] Operation: 11+39=50 Exploring Operation: 11+25=36, Resulting Numbers: [39, 36] Generated Node #0,1,1: 53:[39, 36] Operation: 11+25=36 Moving to Node #0,1,0 Current State: 53:[25, 50], Operations: ['5+34=39', '11+39=50'] Exploring Operation: 25+50=75, Resulting Numbers: [75] 75,53 unequal: No Solution Exploring Operation: 50-25=25, Resulting Numbers: [25] 25,53 unequal: No Solution Moving to Node #0,1,1 Current State: 53:[39, 36], Operations: ['5+34=39', '11+25=36'] Exploring Operation: 39+36=75, Resulting Numbers: [75] 75,53 unequal: No Solution Exploring Operation: 39-36=3, Resulting Numbers: [3] 3,53 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
[ 54, 10, 26, 51 ]
88
[ "54-51=3", "26*3=78", "10+78=88" ]
Current State: 88:[54, 10, 26, 51], Operations: [] Exploring Operation: 54-51=3, Resulting Numbers: [10, 26, 3] Generated Node #2: [10, 26, 3] from Operation: 54-51=3 Current State: 88:[10, 26, 3], Operations: ['54-51=3'] Exploring Operation: 26*3=78, Resulting Numbers: [10, 78] Generated Node #3: [10, 78] from Operation: 26*3=78 Current State: 88:[10, 78], Operations: ['54-51=3', '26*3=78'] Exploring Operation: 10+78=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[54, 10, 26, 51], Operations: [] Exploring Operation: 54-51=3, Resulting Numbers: [10, 26, 3] Generated Node #0,0: 88:[10, 26, 3] Operation: 54-51=3 Moving to Node #0,0 Current State: 88:[10, 26, 3], Operations: ['54-51=3'] Exploring Operation: 26-3=23, Resulting Numbers: [10, 23] Generated Node #0,0,0: 88:[10, 23] Operation: 26-3=23 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 88:[10, 23], Operations: ['54-51=3', '26-3=23'] Exploring Operation: 23-10=13, Resulting Numbers: [13] 13,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 53, 8, 5, 7 ]
37
[ "7-5=2", "8*2=16", "53-16=37" ]
Current State: 37:[53, 8, 5, 7], Operations: [] Exploring Operation: 7-5=2, Resulting Numbers: [53, 8, 2] Generated Node #2: [53, 8, 2] from Operation: 7-5=2 Current State: 37:[53, 8, 2], Operations: ['7-5=2'] Exploring Operation: 8*2=16, Resulting Numbers: [53, 16] Generated Node #3: [53, 16] from Operation: 8*2=16 Current State: 37:[53, 16], Operations: ['7-5=2', '8*2=16'] Exploring Operation: 53-16=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[53, 8, 5, 7], Operations: [] Exploring Operation: 53-8=45, Resulting Numbers: [5, 7, 45] Generated Node #0,0: 37:[5, 7, 45] Operation: 53-8=45 Exploring Operation: 8*5=40, Resulting Numbers: [53, 7, 40] Generated Node #0,1: 37:[53, 7, 40] Operation: 8*5=40 Exploring Operation: 5*7=35, Resulting Numbers: [53, 8, 35] Generated Node #0,2: 37:[53, 8, 35] Operation: 5*7=35 Exploring Operation: 8*7=56, Resulting Numbers: [53, 5, 56] Generated Node #0,3: 37:[53, 5, 56] Operation: 8*7=56 Exploring Operation: 53-5=48, Resulting Numbers: [8, 7, 48] Generated Node #0,4: 37:[8, 7, 48] Operation: 53-5=48 Moving to Node #0,2 Current State: 37:[53, 8, 35], Operations: ['5*7=35'] Exploring Operation: 35-8=27, Resulting Numbers: [53, 27] Generated Node #0,2,0: 37:[53, 27] Operation: 35-8=27 Exploring Operation: 53-35=18, Resulting Numbers: [8, 18] Generated Node #0,2,1: 37:[8, 18] Operation: 53-35=18 Exploring Operation: 53+8=61, Resulting Numbers: [35, 61] Generated Node #0,2,2: 37:[35, 61] Operation: 53+8=61 Exploring Operation: 53-8=45, Resulting Numbers: [35, 45] Generated Node #0,2,3: 37:[35, 45] Operation: 53-8=45 Exploring Operation: 8+35=43, Resulting Numbers: [53, 43] Generated Node #0,2,4: 37:[53, 43] Operation: 8+35=43 Moving to Node #0,1 Current State: 37:[53, 7, 40], Operations: ['8*5=40'] Exploring Operation: 53+7=60, Resulting Numbers: [40, 60] Generated Node #0,1,0: 37:[40, 60] Operation: 53+7=60 Exploring Operation: 53-7=46, Resulting Numbers: [40, 46] Generated Node #0,1,1: 37:[40, 46] Operation: 53-7=46 Exploring Operation: 40-7=33, Resulting Numbers: [53, 33] Generated Node #0,1,2: 37:[53, 33] Operation: 40-7=33 Exploring Operation: 53-40=13, Resulting Numbers: [7, 13] Generated Node #0,1,3: 37:[7, 13] Operation: 53-40=13 Exploring Operation: 7+40=47, Resulting Numbers: [53, 47] Generated Node #0,1,4: 37:[53, 47] Operation: 7+40=47 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 37:[40, 46], Operations: ['8*5=40', '53-7=46'] Exploring Operation: 46-40=6, Resulting Numbers: [6] 6,37 unequal: No Solution Exploring Operation: 40*46=1840, Resulting Numbers: [1840] 1840,37 unequal: No Solution Exploring Operation: 40+46=86, Resulting Numbers: [86] 86,37 unequal: No Solution No 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: 37:[53, 33], Operations: ['8*5=40', '40-7=33'] Exploring Operation: 53-33=20, Resulting Numbers: [20] 20,37 unequal: No Solution Exploring Operation: 53+33=86, Resulting Numbers: [86] 86,37 unequal: No Solution Exploring Operation: 53*33=1749, Resulting Numbers: [1749] 1749,37 unequal: No Solution No 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: 37:[40, 60], Operations: ['8*5=40', '53+7=60'] Exploring Operation: 40*60=2400, Resulting Numbers: [2400] 2400,37 unequal: No Solution Exploring Operation: 40+60=100, Resulting Numbers: [100] 100,37 unequal: No Solution Exploring Operation: 60-40=20, Resulting Numbers: [20] 20,37 unequal: No Solution No 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: 37:[53, 47], Operations: ['8*5=40', '7+40=47'] Exploring Operation: 53*47=2491, Resulting Numbers: [2491] 2491,37 unequal: No Solution Exploring Operation: 53-47=6, Resulting Numbers: [6] 6,37 unequal: No Solution Exploring Operation: 53+47=100, Resulting Numbers: [100] 100,37 unequal: No Solution No 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: 37:[7, 13], Operations: ['8*5=40', '53-40=13'] Exploring Operation: 13-7=6, Resulting Numbers: [6] 6,37 unequal: No Solution Exploring Operation: 7*13=91, Resulting Numbers: [91] 91,37 unequal: No Solution Exploring Operation: 7+13=20, Resulting Numbers: [20] 20,37 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: 37:[53, 5, 56], Operations: ['8*7=56'] Exploring Operation: 56-53=3, Resulting Numbers: [5, 3] Generated Node #0,3,0: 37:[5, 3] Operation: 56-53=3 Exploring Operation: 5+56=61, Resulting Numbers: [53, 61] Generated Node #0,3,1: 37:[53, 61] Operation: 5+56=61 Exploring Operation: 53+5=58, Resulting Numbers: [56, 58] Generated Node #0,3,2: 37:[56, 58] Operation: 53+5=58 Exploring Operation: 53-5=48, Resulting Numbers: [56, 48] Generated Node #0,3,3: 37:[56, 48] Operation: 53-5=48 Exploring Operation: 56-5=51, Resulting Numbers: [53, 51] Generated Node #0,3,4: 37:[53, 51] Operation: 56-5=51 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 37:[56, 48], Operations: ['8*7=56', '53-5=48'] Exploring Operation: 56*48=2688, Resulting Numbers: [2688] 2688,37 unequal: No Solution Exploring Operation: 56-48=8, Resulting Numbers: [8] 8,37 unequal: No Solution Exploring Operation: 56+48=104, Resulting Numbers: [104] 104,37 unequal: No Solution No 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: 37:[53, 51], Operations: ['8*7=56', '56-5=51'] Exploring Operation: 53+51=104, Resulting Numbers: [104] 104,37 unequal: No Solution Exploring Operation: 53*51=2703, Resulting Numbers: [2703] 2703,37 unequal: No Solution Exploring Operation: 53-51=2, Resulting Numbers: [2] 2,37 unequal: No Solution No 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: 37:[53, 61], Operations: ['8*7=56', '5+56=61'] Exploring Operation: 53+61=114, Resulting Numbers: [114] 114,37 unequal: No Solution Exploring Operation: 61-53=8, Resulting Numbers: [8] 8,37 unequal: No Solution Exploring Operation: 53*61=3233, Resulting Numbers: [3233] 3233,37 unequal: No Solution No 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: 37:[56, 58], Operations: ['8*7=56', '53+5=58'] Exploring Operation: 58-56=2, Resulting Numbers: [2] 2,37 unequal: No Solution Exploring Operation: 56*58=3248, Resulting Numbers: [3248] 3248,37 unequal: No Solution Exploring Operation: 56+58=114, Resulting Numbers: [114] 114,37 unequal: No Solution No 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: 37:[5, 3], Operations: ['8*7=56', '56-53=3'] Exploring Operation: 5+3=8, Resulting Numbers: [8] 8,37 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,37 unequal: No Solution Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,37 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: 37:[5, 7, 45], Operations: ['53-8=45'] Exploring Operation: 7-5=2, Resulting Numbers: [45, 2] Generated Node #0,0,0: 37:[45, 2] Operation: 7-5=2 Exploring Operation: 45-7=38, Resulting Numbers: [5, 38] Generated Node #0,0,1: 37:[5, 38] Operation: 45-7=38 Exploring Operation: 5+7=12, Resulting Numbers: [45, 12] Generated Node #0,0,2: 37:[45, 12] Operation: 5+7=12 Exploring Operation: 45-5=40, Resulting Numbers: [7, 40] Generated Node #0,0,3: 37:[7, 40] Operation: 45-5=40 Exploring Operation: 5*7=35, Resulting Numbers: [45, 35] Generated Node #0,0,4: 37:[45, 35] Operation: 5*7=35 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 37:[45, 35], Operations: ['53-8=45', '5*7=35'] Exploring Operation: 45+35=80, Resulting Numbers: [80] 80,37 unequal: No Solution Exploring Operation: 45*35=1575, Resulting Numbers: [1575] 1575,37 unequal: No Solution Exploring Operation: 45-35=10, Resulting Numbers: [10] 10,37 unequal: No Solution No 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: 37:[5, 38], Operations: ['53-8=45', '45-7=38'] Exploring Operation: 5*38=190, Resulting Numbers: [190] 190,37 unequal: No Solution Exploring Operation: 38-5=33, Resulting Numbers: [33] 33,37 unequal: No Solution Exploring Operation: 5+38=43, Resulting Numbers: [43] 43,37 unequal: No Solution No 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: 37:[45, 12], Operations: ['53-8=45', '5+7=12'] Exploring Operation: 45+12=57, Resulting Numbers: [57] 57,37 unequal: No Solution Exploring Operation: 45-12=33, Resulting Numbers: [33] 33,37 unequal: No Solution Exploring Operation: 45*12=540, Resulting Numbers: [540] 540,37 unequal: No Solution No 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: 37:[7, 40], Operations: ['53-8=45', '45-5=40'] Exploring Operation: 7+40=47, Resulting Numbers: [47] 47,37 unequal: No Solution Exploring Operation: 7*40=280, Resulting Numbers: [280] 280,37 unequal: No Solution Exploring Operation: 40-7=33, Resulting Numbers: [33] 33,37 unequal: No Solution No 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: 37:[45, 2], Operations: ['53-8=45', '7-5=2'] Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,37 unequal: No Solution Exploring Operation: 45*2=90, Resulting Numbers: [90] 90,37 unequal: No Solution Exploring Operation: 45+2=47, Resulting Numbers: [47] 47,37 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: 37:[8, 7, 48], Operations: ['53-5=48'] Exploring Operation: 8+7=15, Resulting Numbers: [48, 15] Generated Node #0,4,0: 37:[48, 15] Operation: 8+7=15 Exploring Operation: 48-8=40, Resulting Numbers: [7, 40] Generated Node #0,4,1: 37:[7, 40] Operation: 48-8=40 Exploring Operation: 8-7=1, Resulting Numbers: [48, 1] Generated Node #0,4,2: 37:[48, 1] Operation: 8-7=1 Exploring Operation: 48-7=41, Resulting Numbers: [8, 41] Generated Node #0,4,3: 37:[8, 41] Operation: 48-7=41 Exploring Operation: 8*7=56, Resulting Numbers: [48, 56] Generated Node #0,4,4: 37:[48, 56] Operation: 8*7=56 Moving to Node #0,2,3 Current State: 37:[35, 45], Operations: ['5*7=35', '53-8=45'] Exploring Operation: 35+45=80, Resulting Numbers: [80] 80,37 unequal: No Solution Exploring Operation: 35*45=1575, Resulting Numbers: [1575] 1575,37 unequal: No Solution Exploring Operation: 45-35=10, Resulting Numbers: [10] 10,37 unequal: No Solution Moving to Node #0,2,4 Current State: 37:[53, 43], Operations: ['5*7=35', '8+35=43'] Exploring Operation: 53-43=10, Resulting Numbers: [10] 10,37 unequal: No Solution Exploring Operation: 53+43=96, Resulting Numbers: [96] 96,37 unequal: No Solution Exploring Operation: 53*43=2279, Resulting Numbers: [2279] 2279,37 unequal: No Solution Moving to Node #0,2,0 Current State: 37:[53, 27], Operations: ['5*7=35', '35-8=27'] Exploring Operation: 53-27=26, Resulting Numbers: [26] 26,37 unequal: No Solution Exploring Operation: 53*27=1431, Resulting Numbers: [1431] 1431,37 unequal: No Solution Exploring Operation: 53+27=80, Resulting Numbers: [80] 80,37 unequal: No Solution Moving to Node #0,2,2 Current State: 37:[35, 61], Operations: ['5*7=35', '53+8=61'] Exploring Operation: 61-35=26, Resulting Numbers: [26] 26,37 unequal: No Solution Exploring Operation: 35+61=96, Resulting Numbers: [96] 96,37 unequal: No Solution Exploring Operation: 35*61=2135, Resulting Numbers: [2135] 2135,37 unequal: No Solution Moving to Node #0,4,4 Current State: 37:[48, 56], Operations: ['53-5=48', '8*7=56'] Exploring Operation: 48*56=2688, Resulting Numbers: [2688] 2688,37 unequal: No Solution Exploring Operation: 48+56=104, Resulting Numbers: [104] 104,37 unequal: No Solution Exploring Operation: 56-48=8, Resulting Numbers: [8] 8,37 unequal: No Solution Moving to Node #0,4,0 Current State: 37:[48, 15], Operations: ['53-5=48', '8+7=15'] Exploring Operation: 48*15=720, Resulting Numbers: [720] 720,37 unequal: No Solution Exploring Operation: 48-15=33, Resulting Numbers: [33] 33,37 unequal: No Solution Exploring Operation: 48+15=63, Resulting Numbers: [63] 63,37 unequal: No Solution Moving to Node #0,4,3 Current State: 37:[8, 41], Operations: ['53-5=48', '48-7=41'] Exploring Operation: 8+41=49, Resulting Numbers: [49] 49,37 unequal: No Solution Exploring Operation: 41-8=33, Resulting Numbers: [33] 33,37 unequal: No Solution Exploring Operation: 8*41=328, Resulting Numbers: [328] 328,37 unequal: No Solution Moving to Node #0,4,1 Current State: 37:[7, 40], Operations: ['53-5=48', '48-8=40'] Exploring Operation: 40-7=33, Resulting Numbers: [33] 33,37 unequal: No Solution Exploring Operation: 7+40=47, Resulting Numbers: [47] 47,37 unequal: No Solution Exploring Operation: 7*40=280, Resulting Numbers: [280] 280,37 unequal: No Solution Moving to Node #0,4,2 Current State: 37:[48, 1], Operations: ['53-5=48', '8-7=1'] Exploring Operation: 48*1=48, Resulting Numbers: [48] 48,37 unequal: No Solution Exploring Operation: 48+1=49, Resulting Numbers: [49] 49,37 unequal: No Solution Exploring Operation: 48-1=47, Resulting Numbers: [47] 47,37 unequal: No Solution Exploring Operation: 48/1=48, Resulting Numbers: [48] 48,37 unequal: No Solution Moving to Node #0,2,1 Current State: 37:[8, 18], Operations: ['5*7=35', '53-35=18'] Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,37 unequal: No Solution Exploring Operation: 8*18=144, Resulting Numbers: [144] 144,37 unequal: No Solution Exploring Operation: 8+18=26, Resulting Numbers: [26] 26,37 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 3, 15, 17, 64 ]
35
[ "15-3=12", "64-17=47", "47-12=35" ]
Current State: 35:[3, 15, 17, 64], Operations: [] Exploring Operation: 15-3=12, Resulting Numbers: [17, 64, 12] Generated Node #2: [17, 64, 12] from Operation: 15-3=12 Current State: 35:[17, 64, 12], Operations: ['15-3=12'] Exploring Operation: 64-17=47, Resulting Numbers: [12, 47] Generated Node #3: [12, 47] from Operation: 64-17=47 Current State: 35:[12, 47], Operations: ['15-3=12', '64-17=47'] Exploring Operation: 47-12=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[3, 15, 17, 64], Operations: [] Exploring Operation: 64-15=49, Resulting Numbers: [3, 17, 49] Generated Node #0,0: 35:[3, 17, 49] Operation: 64-15=49 Exploring Operation: 15+17=32, Resulting Numbers: [3, 64, 32] Generated Node #0,1: 35:[3, 64, 32] Operation: 15+17=32 Exploring Operation: 64-17=47, Resulting Numbers: [3, 15, 47] Generated Node #0,2: 35:[3, 15, 47] Operation: 64-17=47 Exploring Operation: 17-15=2, Resulting Numbers: [3, 64, 2] Generated Node #0,3: 35:[3, 64, 2] Operation: 17-15=2 Exploring Operation: 15/3=5, Resulting Numbers: [17, 64, 5] Generated Node #0,4: 35:[17, 64, 5] Operation: 15/3=5 Start Sub Search at level 1: Moving to Node #0,2 Current State: 35:[3, 15, 47], Operations: ['64-17=47'] Exploring Operation: 47-15=32, Resulting Numbers: [3, 32] Generated Node #0,2,0: 35:[3, 32] Operation: 47-15=32 Exploring Operation: 15-3=12, Resulting Numbers: [47, 12] Generated Node #0,2,1: 35:[47, 12] Operation: 15-3=12 Exploring Operation: 3*15=45, Resulting Numbers: [47, 45] Generated Node #0,2,2: 35:[47, 45] Operation: 3*15=45 Exploring Operation: 15/3=5, Resulting Numbers: [47, 5] Generated Node #0,2,3: 35:[47, 5] Operation: 15/3=5 Exploring Operation: 47-3=44, Resulting Numbers: [15, 44] Generated Node #0,2,4: 35:[15, 44] Operation: 47-3=44 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 35:[3, 32], Operations: ['64-17=47', '47-15=32'] Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,35 unequal: No Solution Exploring Operation: 3+32=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[3, 15, 17, 64], Operations: [] Exploring Operation: 64-17=47, Resulting Numbers: [3, 15, 47] Generated Node #0,2: 35:[3, 15, 47] Operation: 64-17=47 Moving to Node #0,2 Current State: 35:[3, 15, 47], Operations: ['64-17=47'] Exploring Operation: 47-15=32, Resulting Numbers: [3, 32] Generated Node #0,2,0: 35:[3, 32] Operation: 47-15=32 Moving to Node #0,2,0 Current State: 35:[3, 32], Operations: ['64-17=47', '47-15=32'] Exploring Operation: 3+32=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 14, 39, 75, 20 ]
19
[ "20-14=6", "39+75=114", "114/6=19" ]
Current State: 19:[14, 39, 75, 20], Operations: [] Exploring Operation: 20-14=6, Resulting Numbers: [39, 75, 6] Generated Node #2: [39, 75, 6] from Operation: 20-14=6 Current State: 19:[39, 75, 6], Operations: ['20-14=6'] Exploring Operation: 39+75=114, Resulting Numbers: [6, 114] Generated Node #3: [6, 114] from Operation: 39+75=114 Current State: 19:[6, 114], Operations: ['20-14=6', '39+75=114'] Exploring Operation: 114/6=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[14, 39, 75, 20], Operations: [] Exploring Operation: 39-20=19, Resulting Numbers: [14, 75, 19] Generated Node #0,0: 19:[14, 75, 19] Operation: 39-20=19 Exploring Operation: 75-39=36, Resulting Numbers: [14, 20, 36] Generated Node #0,1: 19:[14, 20, 36] Operation: 75-39=36 Exploring Operation: 75-14=61, Resulting Numbers: [39, 20, 61] Generated Node #0,2: 19:[39, 20, 61] Operation: 75-14=61 Exploring Operation: 75-20=55, Resulting Numbers: [14, 39, 55] Generated Node #0,3: 19:[14, 39, 55] Operation: 75-20=55 Exploring Operation: 39-14=25, Resulting Numbers: [75, 20, 25] Generated Node #0,4: 19:[75, 20, 25] Operation: 39-14=25 Moving to Node #0,1 Current State: 19:[14, 20, 36], Operations: ['75-39=36'] Exploring Operation: 36-20=16, Resulting Numbers: [14, 16] Generated Node #0,1,0: 19:[14, 16] Operation: 36-20=16 Exploring Operation: 14+36=50, Resulting Numbers: [20, 50] Generated Node #0,1,1: 19:[20, 50] Operation: 14+36=50 Exploring Operation: 14+20=34, Resulting Numbers: [36, 34] Generated Node #0,1,2: 19:[36, 34] Operation: 14+20=34 Exploring Operation: 20-14=6, Resulting Numbers: [36, 6] Generated Node #0,1,3: 19:[36, 6] Operation: 20-14=6 Exploring Operation: 36-14=22, Resulting Numbers: [20, 22] Generated Node #0,1,4: 19:[20, 22] Operation: 36-14=22 Moving to Node #0,3 Current State: 19:[14, 39, 55], Operations: ['75-20=55'] Exploring Operation: 14+39=53, Resulting Numbers: [55, 53] Generated Node #0,3,0: 19:[55, 53] Operation: 14+39=53 Exploring Operation: 14+55=69, Resulting Numbers: [39, 69] Generated Node #0,3,1: 19:[39, 69] Operation: 14+55=69 Exploring Operation: 55-39=16, Resulting Numbers: [14, 16] Generated Node #0,3,2: 19:[14, 16] Operation: 55-39=16 Exploring Operation: 55-14=41, Resulting Numbers: [39, 41] Generated Node #0,3,3: 19:[39, 41] Operation: 55-14=41 Exploring Operation: 39-14=25, Resulting Numbers: [55, 25] Generated Node #0,3,4: 19:[55, 25] Operation: 39-14=25 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 19:[14, 16], Operations: ['75-20=55', '55-39=16'] Exploring Operation: 16-14=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 14*16=224, Resulting Numbers: [224] 224,19 unequal: No Solution Exploring Operation: 14+16=30, Resulting Numbers: [30] 30,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 19:[39, 41], Operations: ['75-20=55', '55-14=41'] Exploring Operation: 39*41=1599, Resulting Numbers: [1599] 1599,19 unequal: No Solution Exploring Operation: 41-39=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 39+41=80, Resulting Numbers: [80] 80,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 19:[55, 25], Operations: ['75-20=55', '39-14=25'] Exploring Operation: 55*25=1375, Resulting Numbers: [1375] 1375,19 unequal: No Solution Exploring Operation: 55-25=30, Resulting Numbers: [30] 30,19 unequal: No Solution Exploring Operation: 55+25=80, Resulting Numbers: [80] 80,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 19:[55, 53], Operations: ['75-20=55', '14+39=53'] Exploring Operation: 55*53=2915, Resulting Numbers: [2915] 2915,19 unequal: No Solution Exploring Operation: 55+53=108, Resulting Numbers: [108] 108,19 unequal: No Solution Exploring Operation: 55-53=2, Resulting Numbers: [2] 2,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 19:[39, 69], Operations: ['75-20=55', '14+55=69'] Exploring Operation: 39*69=2691, Resulting Numbers: [2691] 2691,19 unequal: No Solution Exploring Operation: 39+69=108, Resulting Numbers: [108] 108,19 unequal: No Solution Exploring Operation: 69-39=30, Resulting Numbers: [30] 30,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 19:[14, 75, 19], Operations: ['39-20=19'] Exploring Operation: 75-19=56, Resulting Numbers: [14, 56] Generated Node #0,0,0: 19:[14, 56] Operation: 75-19=56 Exploring Operation: 75-14=61, Resulting Numbers: [19, 61] Generated Node #0,0,1: 19:[19, 61] Operation: 75-14=61 Exploring Operation: 14+75=89, Resulting Numbers: [19, 89] Generated Node #0,0,2: 19:[19, 89] Operation: 14+75=89 Exploring Operation: 19-14=5, Resulting Numbers: [75, 5] Generated Node #0,0,3: 19:[75, 5] Operation: 19-14=5 Exploring Operation: 14+19=33, Resulting Numbers: [75, 33] Generated Node #0,0,4: 19:[75, 33] Operation: 14+19=33 Moving to Node #0,2 Current State: 19:[39, 20, 61], Operations: ['75-14=61'] Exploring Operation: 39-20=19, Resulting Numbers: [61, 19] Generated Node #0,2,0: 19:[61, 19] Operation: 39-20=19 Exploring Operation: 39+61=100, Resulting Numbers: [20, 100] Generated Node #0,2,1: 19:[20, 100] Operation: 39+61=100 Exploring Operation: 61-39=22, Resulting Numbers: [20, 22] Generated Node #0,2,2: 19:[20, 22] Operation: 61-39=22 Exploring Operation: 61-20=41, Resulting Numbers: [39, 41] Generated Node #0,2,3: 19:[39, 41] Operation: 61-20=41 Exploring Operation: 39+20=59, Resulting Numbers: [61, 59] Generated Node #0,2,4: 19:[61, 59] Operation: 39+20=59 Moving to Node #0,4 Current State: 19:[75, 20, 25], Operations: ['39-14=25'] Exploring Operation: 75+20=95, Resulting Numbers: [25, 95] Generated Node #0,4,0: 19:[25, 95] Operation: 75+20=95 Exploring Operation: 75-20=55, Resulting Numbers: [25, 55] Generated Node #0,4,1: 19:[25, 55] Operation: 75-20=55 Exploring Operation: 25-20=5, Resulting Numbers: [75, 5] Generated Node #0,4,2: 19:[75, 5] Operation: 25-20=5 Exploring Operation: 75/25=3, Resulting Numbers: [20, 3] Generated Node #0,4,3: 19:[20, 3] Operation: 75/25=3 Exploring Operation: 75-25=50, Resulting Numbers: [20, 50] Generated Node #0,4,4: 19:[20, 50] Operation: 75-25=50 Moving to Node #0,1,4 Current State: 19:[20, 22], Operations: ['75-39=36', '36-14=22'] Exploring Operation: 20*22=440, Resulting Numbers: [440] 440,19 unequal: No Solution Exploring Operation: 22-20=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 20+22=42, Resulting Numbers: [42] 42,19 unequal: No Solution Moving to Node #0,2,2 Current State: 19:[20, 22], Operations: ['75-14=61', '61-39=22'] Exploring Operation: 22-20=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 20+22=42, Resulting Numbers: [42] 42,19 unequal: No Solution Exploring Operation: 20*22=440, Resulting Numbers: [440] 440,19 unequal: No Solution Moving to Node #0,1,0 Current State: 19:[14, 16], Operations: ['75-39=36', '36-20=16'] Exploring Operation: 16-14=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 14*16=224, Resulting Numbers: [224] 224,19 unequal: No Solution Exploring Operation: 14+16=30, Resulting Numbers: [30] 30,19 unequal: No Solution Moving to Node #0,4,3 Current State: 19:[20, 3], Operations: ['39-14=25', '75/25=3'] Exploring Operation: 20+3=23, Resulting Numbers: [23] 23,19 unequal: No Solution Exploring Operation: 20*3=60, Resulting Numbers: [60] 60,19 unequal: No Solution Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,19 unequal: No Solution Moving to Node #0,1,3 Current State: 19:[36, 6], Operations: ['75-39=36', '20-14=6'] Exploring Operation: 36+6=42, Resulting Numbers: [42] 42,19 unequal: No Solution Exploring Operation: 36-6=30, Resulting Numbers: [30] 30,19 unequal: No Solution Exploring Operation: 36*6=216, Resulting Numbers: [216] 216,19 unequal: No Solution Exploring Operation: 36/6=6, Resulting Numbers: [6] 6,19 unequal: No Solution Moving to Node #0,1,2 Current State: 19:[36, 34], Operations: ['75-39=36', '14+20=34'] Exploring Operation: 36-34=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 36+34=70, Resulting Numbers: [70] 70,19 unequal: No Solution Exploring Operation: 36*34=1224, Resulting Numbers: [1224] 1224,19 unequal: No Solution Moving to Node #0,1,1 Current State: 19:[20, 50], Operations: ['75-39=36', '14+36=50'] Exploring Operation: 20*50=1000, Resulting Numbers: [1000] 1000,19 unequal: No Solution Exploring Operation: 50-20=30, Resulting Numbers: [30] 30,19 unequal: No Solution Exploring Operation: 20+50=70, Resulting Numbers: [70] 70,19 unequal: No Solution Moving to Node #0,4,4 Current State: 19:[20, 50], Operations: ['39-14=25', '75-25=50'] Exploring Operation: 50-20=30, Resulting Numbers: [30] 30,19 unequal: No Solution Exploring Operation: 20*50=1000, Resulting Numbers: [1000] 1000,19 unequal: No Solution Exploring Operation: 20+50=70, Resulting Numbers: [70] 70,19 unequal: No Solution Moving to Node #0,0,1 Current State: 19:[19, 61], Operations: ['39-20=19', '75-14=61'] Exploring Operation: 19+61=80, Resulting Numbers: [80] 80,19 unequal: No Solution Exploring Operation: 19*61=1159, Resulting Numbers: [1159] 1159,19 unequal: No Solution Exploring Operation: 61-19=42, Resulting Numbers: [42] 42,19 unequal: No Solution Moving to Node #0,0,0 Current State: 19:[14, 56], Operations: ['39-20=19', '75-19=56'] Exploring Operation: 14*56=784, Resulting Numbers: [784] 784,19 unequal: No Solution Exploring Operation: 56-14=42, Resulting Numbers: [42] 42,19 unequal: No Solution Exploring Operation: 14+56=70, Resulting Numbers: [70] 70,19 unequal: No Solution Exploring Operation: 56/14=4, Resulting Numbers: [4] 4,19 unequal: No Solution Moving to Node #0,2,0 Current State: 19:[61, 19], Operations: ['75-14=61', '39-20=19'] Exploring Operation: 61*19=1159, Resulting Numbers: [1159] 1159,19 unequal: No Solution Exploring Operation: 61-19=42, Resulting Numbers: [42] 42,19 unequal: No Solution Exploring Operation: 61+19=80, Resulting Numbers: [80] 80,19 unequal: No Solution Moving to Node #0,2,3 Current State: 19:[39, 41], Operations: ['75-14=61', '61-20=41'] Exploring Operation: 39*41=1599, Resulting Numbers: [1599] 1599,19 unequal: No Solution Exploring Operation: 41-39=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 39+41=80, Resulting Numbers: [80] 80,19 unequal: No Solution Moving to Node #0,4,1 Current State: 19:[25, 55], Operations: ['39-14=25', '75-20=55'] Exploring Operation: 25*55=1375, Resulting Numbers: [1375] 1375,19 unequal: No Solution Exploring Operation: 55-25=30, Resulting Numbers: [30] 30,19 unequal: No Solution Exploring Operation: 25+55=80, Resulting Numbers: [80] 80,19 unequal: No Solution Moving to Node #0,4,2 Current State: 19:[75, 5], Operations: ['39-14=25', '25-20=5'] Exploring Operation: 75+5=80, Resulting Numbers: [80] 80,19 unequal: No Solution Exploring Operation: 75-5=70, Resulting Numbers: [70] 70,19 unequal: No Solution Exploring Operation: 75*5=375, Resulting Numbers: [375] 375,19 unequal: No Solution Exploring Operation: 75/5=15, Resulting Numbers: [15] 15,19 unequal: No Solution Moving to Node #0,0,3 Current State: 19:[75, 5], Operations: ['39-20=19', '19-14=5'] Exploring Operation: 75+5=80, Resulting Numbers: [80] 80,19 unequal: No Solution Exploring Operation: 75*5=375, Resulting Numbers: [375] 375,19 unequal: No Solution Exploring Operation: 75/5=15, Resulting Numbers: [15] 15,19 unequal: No Solution Exploring Operation: 75-5=70, Resulting Numbers: [70] 70,19 unequal: No Solution Moving to Node #0,0,4 Current State: 19:[75, 33], Operations: ['39-20=19', '14+19=33'] Exploring Operation: 75*33=2475, Resulting Numbers: [2475] 2475,19 unequal: No Solution Exploring Operation: 75-33=42, Resulting Numbers: [42] 42,19 unequal: No Solution Exploring Operation: 75+33=108, Resulting Numbers: [108] 108,19 unequal: No Solution Moving to Node #0,0,2 Current State: 19:[19, 89], Operations: ['39-20=19', '14+75=89'] Exploring Operation: 89-19=70, Resulting Numbers: [70] 70,19 unequal: No Solution Exploring Operation: 19*89=1691, Resulting Numbers: [1691] 1691,19 unequal: No Solution Exploring Operation: 19+89=108, Resulting Numbers: [108] 108,19 unequal: No Solution Moving to Node #0,4,0 Current State: 19:[25, 95], Operations: ['39-14=25', '75+20=95'] Exploring Operation: 25*95=2375, Resulting Numbers: [2375] 2375,19 unequal: No Solution Exploring Operation: 25+95=120, Resulting Numbers: [120] 120,19 unequal: No Solution Exploring Operation: 95-25=70, Resulting Numbers: [70] 70,19 unequal: No Solution Moving to Node #0,2,1 Current State: 19:[20, 100], Operations: ['75-14=61', '39+61=100'] Exploring Operation: 100/20=5, Resulting Numbers: [5] 5,19 unequal: No Solution Exploring Operation: 100-20=80, Resulting Numbers: [80] 80,19 unequal: No Solution Exploring Operation: 20*100=2000, Resulting Numbers: [2000] 2000,19 unequal: No Solution Exploring Operation: 20+100=120, Resulting Numbers: [120] 120,19 unequal: No Solution Moving to Node #0,2,4 Current State: 19:[61, 59], Operations: ['75-14=61', '39+20=59'] Exploring Operation: 61+59=120, Resulting Numbers: [120] 120,19 unequal: No Solution Exploring Operation: 61-59=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 61*59=3599, Resulting Numbers: [3599] 3599,19 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 40, 20, 13, 60 ]
81
[ "40-13=27", "60/20=3", "27*3=81" ]
Current State: 81:[40, 20, 13, 60], Operations: [] Exploring Operation: 40-13=27, Resulting Numbers: [20, 60, 27] Generated Node #2: [20, 60, 27] from Operation: 40-13=27 Current State: 81:[20, 60, 27], Operations: ['40-13=27'] Exploring Operation: 60/20=3, Resulting Numbers: [27, 3] Generated Node #3: [27, 3] from Operation: 60/20=3 Current State: 81:[27, 3], Operations: ['40-13=27', '60/20=3'] Exploring Operation: 27*3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[40, 20, 13, 60], Operations: [] Exploring Operation: 60/20=3, Resulting Numbers: [40, 13, 3] Generated Node #0,0: 81:[40, 13, 3] Operation: 60/20=3 Exploring Operation: 60-40=20, Resulting Numbers: [20, 13, 20] Generated Node #0,1: 81:[20, 13, 20] Operation: 60-40=20 Moving to Node #0,0 Current State: 81:[40, 13, 3], Operations: ['60/20=3'] Exploring Operation: 40-13=27, Resulting Numbers: [3, 27] Generated Node #0,0,0: 81:[3, 27] Operation: 40-13=27 Exploring Operation: 40-3=37, Resulting Numbers: [13, 37] Generated Node #0,0,1: 81:[13, 37] Operation: 40-3=37 Moving to Node #0,1 Current State: 81:[20, 13, 20], Operations: ['60-40=20'] Exploring Operation: 20-20=0, Resulting Numbers: [13, 0] Generated Node #0,1,0: 81:[13, 0] Operation: 20-20=0 Exploring Operation: 20/20=1, Resulting Numbers: [13, 1] Generated Node #0,1,1: 81:[13, 1] Operation: 20/20=1 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 81:[13, 1], Operations: ['60-40=20', '20/20=1'] Exploring Operation: 13*1=13, Resulting Numbers: [13] 13,81 unequal: No Solution Exploring Operation: 13-1=12, Resulting Numbers: [12] 12,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 81:[13, 0], Operations: ['60-40=20', '20-20=0'] Exploring Operation: 13*0=0, Resulting Numbers: [0] 0,81 unequal: No Solution Exploring Operation: 13+0=13, Resulting Numbers: [13] 13,81 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: 81:[3, 27], Operations: ['60/20=3', '40-13=27'] Exploring Operation: 27/3=9, Resulting Numbers: [9] 9,81 unequal: No Solution Exploring Operation: 3*27=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[40, 20, 13, 60], Operations: [] Exploring Operation: 60/20=3, Resulting Numbers: [40, 13, 3] Generated Node #0,0: 81:[40, 13, 3] Operation: 60/20=3 Moving to Node #0,0 Current State: 81:[40, 13, 3], Operations: ['60/20=3'] Exploring Operation: 40-13=27, Resulting Numbers: [3, 27] Generated Node #0,0,0: 81:[3, 27] Operation: 40-13=27 Moving to Node #0,0,0 Current State: 81:[3, 27], Operations: ['60/20=3', '40-13=27'] Exploring Operation: 3*27=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
0.986111
hs_2
sum_heuristic
[ 17, 2, 7, 41 ]
37
[ "17*7=119", "2*41=82", "119-82=37" ]
Current State: 37:[17, 2, 7, 41], Operations: [] Exploring Operation: 17*7=119, Resulting Numbers: [2, 41, 119] Generated Node #2: [2, 41, 119] from Operation: 17*7=119 Current State: 37:[2, 41, 119], Operations: ['17*7=119'] Exploring Operation: 2*41=82, Resulting Numbers: [119, 82] Generated Node #3: [119, 82] from Operation: 2*41=82 Current State: 37:[119, 82], Operations: ['17*7=119', '2*41=82'] Exploring Operation: 119-82=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[17, 2, 7, 41], Operations: [] Exploring Operation: 2+7=9, Resulting Numbers: [17, 41, 9] Generated Node #0,0: 37:[17, 41, 9] Operation: 2+7=9 Exploring Operation: 17*2=34, Resulting Numbers: [7, 41, 34] Generated Node #0,1: 37:[7, 41, 34] Operation: 17*2=34 Exploring Operation: 17+7=24, Resulting Numbers: [2, 41, 24] Generated Node #0,2: 37:[2, 41, 24] Operation: 17+7=24 Exploring Operation: 2*7=14, Resulting Numbers: [17, 41, 14] Generated Node #0,3: 37:[17, 41, 14] Operation: 2*7=14 Exploring Operation: 17+2=19, Resulting Numbers: [7, 41, 19] Generated Node #0,4: 37:[7, 41, 19] Operation: 17+2=19 Start Sub Search at level 1: Moving to Node #0,1 Current State: 37:[7, 41, 34], Operations: ['17*2=34'] Exploring Operation: 7+41=48, Resulting Numbers: [34, 48] Generated Node #0,1,0: 37:[34, 48] Operation: 7+41=48 Exploring Operation: 34-7=27, Resulting Numbers: [41, 27] Generated Node #0,1,1: 37:[41, 27] Operation: 34-7=27 Exploring Operation: 41-7=34, Resulting Numbers: [34, 34] Generated Node #0,1,2: 37:[34, 34] Operation: 41-7=34 Exploring Operation: 41-34=7, Resulting Numbers: [7, 7] Generated Node #0,1,3: 37:[7, 7] Operation: 41-34=7 Exploring Operation: 7+34=41, Resulting Numbers: [41, 41] Generated Node #0,1,4: 37:[41, 41] Operation: 7+34=41 Moving to Node #0,1,2 Current State: 37:[34, 34], Operations: ['17*2=34', '41-7=34'] Exploring Operation: 34/34=1, Resulting Numbers: [1] 1,37 unequal: No Solution Exploring Operation: 34-34=0, Resulting Numbers: [0] 0,37 unequal: No Solution Exploring Operation: 34*34=1156, Resulting Numbers: [1156] 1156,37 unequal: No Solution Exploring Operation: 34+34=68, Resulting Numbers: [68] 68,37 unequal: No Solution Moving to Node #0,1,4 Current State: 37:[41, 41], Operations: ['17*2=34', '7+34=41'] Exploring Operation: 41-41=0, Resulting Numbers: [0] 0,37 unequal: No Solution Exploring Operation: 41/41=1, Resulting Numbers: [1] 1,37 unequal: No Solution Exploring Operation: 41+41=82, Resulting Numbers: [82] 82,37 unequal: No Solution Exploring Operation: 41*41=1681, Resulting Numbers: [1681] 1681,37 unequal: No Solution Moving to Node #0,1,0 Current State: 37:[34, 48], Operations: ['17*2=34', '7+41=48'] Exploring Operation: 34+48=82, Resulting Numbers: [82] 82,37 unequal: No Solution Exploring Operation: 34*48=1632, Resulting Numbers: [1632] 1632,37 unequal: No Solution Exploring Operation: 48-34=14, Resulting Numbers: [14] 14,37 unequal: No Solution Moving to Node #0,1,1 Current State: 37:[41, 27], Operations: ['17*2=34', '34-7=27'] Exploring Operation: 41-27=14, Resulting Numbers: [14] 14,37 unequal: No Solution Exploring Operation: 41+27=68, Resulting Numbers: [68] 68,37 unequal: No Solution Exploring Operation: 41*27=1107, Resulting Numbers: [1107] 1107,37 unequal: No Solution Moving to Node #0,1,3 Current State: 37:[7, 7], Operations: ['17*2=34', '41-34=7'] Exploring Operation: 7-7=0, Resulting Numbers: [0] 0,37 unequal: No Solution Exploring Operation: 7*7=49, Resulting Numbers: [49] 49,37 unequal: No Solution Exploring Operation: 7/7=1, Resulting Numbers: [1] 1,37 unequal: No Solution Exploring Operation: 7+7=14, Resulting Numbers: [14] 14,37 unequal: No Solution No 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: 37:[17, 41, 14], Operations: ['2*7=14'] Exploring Operation: 17-14=3, Resulting Numbers: [41, 3] Generated Node #0,3,0: 37:[41, 3] Operation: 17-14=3 Exploring Operation: 41-17=24, Resulting Numbers: [14, 24] Generated Node #0,3,1: 37:[14, 24] Operation: 41-17=24 Exploring Operation: 41-14=27, Resulting Numbers: [17, 27] Generated Node #0,3,2: 37:[17, 27] Operation: 41-14=27 Exploring Operation: 17+14=31, Resulting Numbers: [41, 31] Generated Node #0,3,3: 37:[41, 31] Operation: 17+14=31 Exploring Operation: 41+14=55, Resulting Numbers: [17, 55] Generated Node #0,3,4: 37:[17, 55] Operation: 41+14=55 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 37:[41, 31], Operations: ['2*7=14', '17+14=31'] Exploring Operation: 41+31=72, Resulting Numbers: [72] 72,37 unequal: No Solution Exploring Operation: 41-31=10, Resulting Numbers: [10] 10,37 unequal: No Solution Exploring Operation: 41*31=1271, Resulting Numbers: [1271] 1271,37 unequal: No Solution No 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: 37:[17, 27], Operations: ['2*7=14', '41-14=27'] Exploring Operation: 17*27=459, Resulting Numbers: [459] 459,37 unequal: No Solution Exploring Operation: 17+27=44, Resulting Numbers: [44] 44,37 unequal: No Solution Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,37 unequal: No Solution No 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: 37:[14, 24], Operations: ['2*7=14', '41-17=24'] Exploring Operation: 24-14=10, Resulting Numbers: [10] 10,37 unequal: No Solution Exploring Operation: 14+24=38, Resulting Numbers: [38] 38,37 unequal: No Solution Exploring Operation: 14*24=336, Resulting Numbers: [336] 336,37 unequal: No Solution No 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: 37:[41, 3], Operations: ['2*7=14', '17-14=3'] Exploring Operation: 41+3=44, Resulting Numbers: [44] 44,37 unequal: No Solution Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,37 unequal: No Solution Exploring Operation: 41*3=123, Resulting Numbers: [123] 123,37 unequal: No Solution No 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: 37:[17, 55], Operations: ['2*7=14', '41+14=55'] Exploring Operation: 55-17=38, Resulting Numbers: [38] 38,37 unequal: No Solution Exploring Operation: 17*55=935, Resulting Numbers: [935] 935,37 unequal: No Solution Exploring Operation: 17+55=72, Resulting Numbers: [72] 72,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[17, 41, 9], Operations: ['2+7=9'] Exploring Operation: 41+9=50, Resulting Numbers: [17, 50] Generated Node #0,0,0: 37:[17, 50] Operation: 41+9=50 Exploring Operation: 41-17=24, Resulting Numbers: [9, 24] Generated Node #0,0,1: 37:[9, 24] Operation: 41-17=24 Exploring Operation: 41-9=32, Resulting Numbers: [17, 32] Generated Node #0,0,2: 37:[17, 32] Operation: 41-9=32 Exploring Operation: 17+9=26, Resulting Numbers: [41, 26] Generated Node #0,0,3: 37:[41, 26] Operation: 17+9=26 Exploring Operation: 17-9=8, Resulting Numbers: [41, 8] Generated Node #0,0,4: 37:[41, 8] Operation: 17-9=8 Moving to Node #0,0,3 Current State: 37:[41, 26], Operations: ['2+7=9', '17+9=26'] Exploring Operation: 41*26=1066, Resulting Numbers: [1066] 1066,37 unequal: No Solution Exploring Operation: 41-26=15, Resulting Numbers: [15] 15,37 unequal: No Solution Exploring Operation: 41+26=67, Resulting Numbers: [67] 67,37 unequal: No Solution Moving to Node #0,0,2 Current State: 37:[17, 32], Operations: ['2+7=9', '41-9=32'] Exploring Operation: 17+32=49, Resulting Numbers: [49] 49,37 unequal: No Solution Exploring Operation: 17*32=544, Resulting Numbers: [544] 544,37 unequal: No Solution Exploring Operation: 32-17=15, Resulting Numbers: [15] 15,37 unequal: No Solution Moving to Node #0,0,0 Current State: 37:[17, 50], Operations: ['2+7=9', '41+9=50'] Exploring Operation: 50-17=33, Resulting Numbers: [33] 33,37 unequal: No Solution Exploring Operation: 17+50=67, Resulting Numbers: [67] 67,37 unequal: No Solution Exploring Operation: 17*50=850, Resulting Numbers: [850] 850,37 unequal: No Solution Moving to Node #0,0,4 Current State: 37:[41, 8], Operations: ['2+7=9', '17-9=8'] Exploring Operation: 41-8=33, Resulting Numbers: [33] 33,37 unequal: No Solution Exploring Operation: 41+8=49, Resulting Numbers: [49] 49,37 unequal: No Solution Exploring Operation: 41*8=328, Resulting Numbers: [328] 328,37 unequal: No Solution Moving to Node #0,0,1 Current State: 37:[9, 24], Operations: ['2+7=9', '41-17=24'] Exploring Operation: 24-9=15, Resulting Numbers: [15] 15,37 unequal: No Solution Exploring Operation: 9+24=33, Resulting Numbers: [33] 33,37 unequal: No Solution Exploring Operation: 9*24=216, Resulting Numbers: [216] 216,37 unequal: No Solution No 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: 37:[2, 41, 24], Operations: ['17+7=24'] Exploring Operation: 2+24=26, Resulting Numbers: [41, 26] Generated Node #0,2,0: 37:[41, 26] Operation: 2+24=26 Exploring Operation: 2*24=48, Resulting Numbers: [41, 48] Generated Node #0,2,1: 37:[41, 48] Operation: 2*24=48 Exploring Operation: 41-2=39, Resulting Numbers: [24, 39] Generated Node #0,2,2: 37:[24, 39] Operation: 41-2=39 Exploring Operation: 2+41=43, Resulting Numbers: [24, 43] Generated Node #0,2,3: 37:[24, 43] Operation: 2+41=43 Exploring Operation: 24-2=22, Resulting Numbers: [41, 22] Generated Node #0,2,4: 37:[41, 22] Operation: 24-2=22 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 37:[41, 26], Operations: ['17+7=24', '2+24=26'] Exploring Operation: 41*26=1066, Resulting Numbers: [1066] 1066,37 unequal: No Solution Exploring Operation: 41+26=67, Resulting Numbers: [67] 67,37 unequal: No Solution Exploring Operation: 41-26=15, Resulting Numbers: [15] 15,37 unequal: No Solution No 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: 37:[41, 48], Operations: ['17+7=24', '2*24=48'] Exploring Operation: 41*48=1968, Resulting Numbers: [1968] 1968,37 unequal: No Solution Exploring Operation: 48-41=7, Resulting Numbers: [7] 7,37 unequal: No Solution Exploring Operation: 41+48=89, Resulting Numbers: [89] 89,37 unequal: No Solution No 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: 37:[24, 39], Operations: ['17+7=24', '41-2=39'] Exploring Operation: 24+39=63, Resulting Numbers: [63] 63,37 unequal: No Solution Exploring Operation: 39-24=15, Resulting Numbers: [15] 15,37 unequal: No Solution Exploring Operation: 24*39=936, Resulting Numbers: [936] 936,37 unequal: No Solution No 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: 37:[24, 43], Operations: ['17+7=24', '2+41=43'] Exploring Operation: 43-24=19, Resulting Numbers: [19] 19,37 unequal: No Solution Exploring Operation: 24*43=1032, Resulting Numbers: [1032] 1032,37 unequal: No Solution Exploring Operation: 24+43=67, Resulting Numbers: [67] 67,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 37:[41, 22], Operations: ['17+7=24', '24-2=22'] Exploring Operation: 41-22=19, Resulting Numbers: [19] 19,37 unequal: No Solution Exploring Operation: 41*22=902, Resulting Numbers: [902] 902,37 unequal: No Solution Exploring Operation: 41+22=63, Resulting Numbers: [63] 63,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 37:[7, 41, 19], Operations: ['17+2=19'] Exploring Operation: 7+19=26, Resulting Numbers: [41, 26] Generated Node #0,4,0: 37:[41, 26] Operation: 7+19=26 Exploring Operation: 19-7=12, Resulting Numbers: [41, 12] Generated Node #0,4,1: 37:[41, 12] Operation: 19-7=12 Exploring Operation: 41-7=34, Resulting Numbers: [19, 34] Generated Node #0,4,2: 37:[19, 34] Operation: 41-7=34 Exploring Operation: 7+41=48, Resulting Numbers: [19, 48] Generated Node #0,4,3: 37:[19, 48] Operation: 7+41=48 Exploring Operation: 41-19=22, Resulting Numbers: [7, 22] Generated Node #0,4,4: 37:[7, 22] Operation: 41-19=22 Moving to Node #0,4,0 Current State: 37:[41, 26], Operations: ['17+2=19', '7+19=26'] Exploring Operation: 41+26=67, Resulting Numbers: [67] 67,37 unequal: No Solution Exploring Operation: 41*26=1066, Resulting Numbers: [1066] 1066,37 unequal: No Solution Exploring Operation: 41-26=15, Resulting Numbers: [15] 15,37 unequal: No Solution Moving to Node #0,4,2 Current State: 37:[19, 34], Operations: ['17+2=19', '41-7=34'] Exploring Operation: 19+34=53, Resulting Numbers: [53] 53,37 unequal: No Solution Exploring Operation: 19*34=646, Resulting Numbers: [646] 646,37 unequal: No Solution Exploring Operation: 34-19=15, Resulting Numbers: [15] 15,37 unequal: No Solution Moving to Node #0,4,1 Current State: 37:[41, 12], Operations: ['17+2=19', '19-7=12'] Exploring Operation: 41+12=53, Resulting Numbers: [53] 53,37 unequal: No Solution Exploring Operation: 41*12=492, Resulting Numbers: [492] 492,37 unequal: No Solution Exploring Operation: 41-12=29, Resulting Numbers: [29] 29,37 unequal: No Solution Moving to Node #0,4,3 Current State: 37:[19, 48], Operations: ['17+2=19', '7+41=48'] Exploring Operation: 19*48=912, Resulting Numbers: [912] 912,37 unequal: No Solution Exploring Operation: 19+48=67, Resulting Numbers: [67] 67,37 unequal: No Solution Exploring Operation: 48-19=29, Resulting Numbers: [29] 29,37 unequal: No Solution Moving to Node #0,4,4 Current State: 37:[7, 22], Operations: ['17+2=19', '41-19=22'] Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,37 unequal: No Solution Exploring Operation: 7*22=154, Resulting Numbers: [154] 154,37 unequal: No Solution Exploring Operation: 7+22=29, Resulting Numbers: [29] 29,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 99, 39, 52, 46 ]
66
[ "99-39=60", "52-46=6", "60+6=66" ]
Current State: 66:[99, 39, 52, 46], Operations: [] Exploring Operation: 99-39=60, Resulting Numbers: [52, 46, 60] Generated Node #2: [52, 46, 60] from Operation: 99-39=60 Current State: 66:[52, 46, 60], Operations: ['99-39=60'] Exploring Operation: 52-46=6, Resulting Numbers: [60, 6] Generated Node #3: [60, 6] from Operation: 52-46=6 Current State: 66:[60, 6], Operations: ['99-39=60', '52-46=6'] Exploring Operation: 60+6=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[99, 39, 52, 46], Operations: [] Exploring Operation: 99-46=53, Resulting Numbers: [39, 52, 53] Generated Node #0,0: 66:[39, 52, 53] Operation: 99-46=53 Exploring Operation: 99-52=47, Resulting Numbers: [39, 46, 47] Generated Node #0,1: 66:[39, 46, 47] Operation: 99-52=47 Exploring Operation: 52-46=6, Resulting Numbers: [99, 39, 6] Generated Node #0,2: 66:[99, 39, 6] Operation: 52-46=6 Exploring Operation: 99-39=60, Resulting Numbers: [52, 46, 60] Generated Node #0,3: 66:[52, 46, 60] Operation: 99-39=60 Moving to Node #0,0 Current State: 66:[39, 52, 53], Operations: ['99-46=53'] Exploring Operation: 39+52=91, Resulting Numbers: [53, 91] Generated Node #0,0,0: 66:[53, 91] Operation: 39+52=91 Exploring Operation: 53-52=1, Resulting Numbers: [39, 1] Generated Node #0,0,1: 66:[39, 1] Operation: 53-52=1 Exploring Operation: 52-39=13, Resulting Numbers: [53, 13] Generated Node #0,0,2: 66:[53, 13] Operation: 52-39=13 Exploring Operation: 53-39=14, Resulting Numbers: [52, 14] Generated Node #0,0,3: 66:[52, 14] Operation: 53-39=14 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 66:[39, 1], Operations: ['99-46=53', '53-52=1'] Exploring Operation: 39+1=40, Resulting Numbers: [40] 40,66 unequal: No Solution Exploring Operation: 39*1=39, Resulting Numbers: [39] 39,66 unequal: No Solution Exploring Operation: 39/1=39, Resulting Numbers: [39] 39,66 unequal: No Solution Exploring Operation: 39-1=38, Resulting Numbers: [38] 38,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 66:[53, 13], Operations: ['99-46=53', '52-39=13'] Exploring Operation: 53+13=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[99, 39, 52, 46], Operations: [] Exploring Operation: 99-46=53, Resulting Numbers: [39, 52, 53] Generated Node #0,0: 66:[39, 52, 53] Operation: 99-46=53 Moving to Node #0,0 Current State: 66:[39, 52, 53], Operations: ['99-46=53'] Exploring Operation: 52-39=13, Resulting Numbers: [53, 13] Generated Node #0,0,2: 66:[53, 13] Operation: 52-39=13 Moving to Node #0,0,2 Current State: 66:[53, 13], Operations: ['99-46=53', '52-39=13'] Exploring Operation: 53+13=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 2, 68, 48, 22 ]
51
[ "68-2=66", "66/22=3", "48+3=51" ]
Current State: 51:[2, 68, 48, 22], Operations: [] Exploring Operation: 68-2=66, Resulting Numbers: [48, 22, 66] Generated Node #2: [48, 22, 66] from Operation: 68-2=66 Current State: 51:[48, 22, 66], Operations: ['68-2=66'] Exploring Operation: 66/22=3, Resulting Numbers: [48, 3] Generated Node #3: [48, 3] from Operation: 66/22=3 Current State: 51:[48, 3], Operations: ['68-2=66', '66/22=3'] Exploring Operation: 48+3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[2, 68, 48, 22], Operations: [] Exploring Operation: 68-48=20, Resulting Numbers: [2, 22, 20] Generated Node #0,0: 51:[2, 22, 20] Operation: 68-48=20 Exploring Operation: 68-22=46, Resulting Numbers: [2, 48, 46] Generated Node #0,1: 51:[2, 48, 46] Operation: 68-22=46 Exploring Operation: 68-2=66, Resulting Numbers: [48, 22, 66] Generated Node #0,2: 51:[48, 22, 66] Operation: 68-2=66 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[2, 22, 20], Operations: ['68-48=20'] Exploring Operation: 22-2=20, Resulting Numbers: [20, 20] Generated Node #0,0,0: 51:[20, 20] Operation: 22-2=20 Exploring Operation: 22-20=2, Resulting Numbers: [2, 2] Generated Node #0,0,1: 51:[2, 2] Operation: 22-20=2 Exploring Operation: 20-2=18, Resulting Numbers: [22, 18] Generated Node #0,0,2: 51:[22, 18] Operation: 20-2=18 Moving to Node #0,0,1 Current State: 51:[2, 2], Operations: ['68-48=20', '22-20=2'] Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,51 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,51 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,51 unequal: No Solution Moving to Node #0,0,0 Current State: 51:[20, 20], Operations: ['68-48=20', '22-2=20'] Exploring Operation: 20-20=0, Resulting Numbers: [0] 0,51 unequal: No Solution Exploring Operation: 20/20=1, Resulting Numbers: [1] 1,51 unequal: No Solution Exploring Operation: 20+20=40, Resulting Numbers: [40] 40,51 unequal: No Solution Moving to Node #0,0,2 Current State: 51:[22, 18], Operations: ['68-48=20', '20-2=18'] Exploring Operation: 22-18=4, Resulting Numbers: [4] 4,51 unequal: No Solution Exploring Operation: 22*18=396, Resulting Numbers: [396] 396,51 unequal: No Solution Exploring Operation: 22+18=40, Resulting Numbers: [40] 40,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[2, 48, 46], Operations: ['68-22=46'] Exploring Operation: 48-46=2, Resulting Numbers: [2, 2] Generated Node #0,1,0: 51:[2, 2] Operation: 48-46=2 Exploring Operation: 2+46=48, Resulting Numbers: [48, 48] Generated Node #0,1,1: 51:[48, 48] Operation: 2+46=48 Exploring Operation: 2+48=50, Resulting Numbers: [46, 50] Generated Node #0,1,2: 51:[46, 50] Operation: 2+48=50 Moving to Node #0,1,0 Current State: 51:[2, 2], Operations: ['68-22=46', '48-46=2'] Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,51 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,51 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,51 unequal: No Solution Moving to Node #0,1,1 Current State: 51:[48, 48], Operations: ['68-22=46', '2+46=48'] Exploring Operation: 48-48=0, Resulting Numbers: [0] 0,51 unequal: No Solution Exploring Operation: 48/48=1, Resulting Numbers: [1] 1,51 unequal: No Solution Exploring Operation: 48+48=96, Resulting Numbers: [96] 96,51 unequal: No Solution Moving to Node #0,1,2 Current State: 51:[46, 50], Operations: ['68-22=46', '2+48=50'] Exploring Operation: 50-46=4, Resulting Numbers: [4] 4,51 unequal: No Solution Exploring Operation: 46+50=96, Resulting Numbers: [96] 96,51 unequal: No Solution Exploring Operation: 46*50=2300, Resulting Numbers: [2300] 2300,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 51:[48, 22, 66], Operations: ['68-2=66'] Exploring Operation: 66-48=18, Resulting Numbers: [22, 18] Generated Node #0,2,0: 51:[22, 18] Operation: 66-48=18 Exploring Operation: 66-22=44, Resulting Numbers: [48, 44] Generated Node #0,2,1: 51:[48, 44] Operation: 66-22=44 Exploring Operation: 66/22=3, Resulting Numbers: [48, 3] Generated Node #0,2,2: 51:[48, 3] Operation: 66/22=3 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 51:[48, 3], Operations: ['68-2=66', '66/22=3'] Exploring Operation: 48+3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[2, 68, 48, 22], Operations: [] Exploring Operation: 68-2=66, Resulting Numbers: [48, 22, 66] Generated Node #0,2: 51:[48, 22, 66] Operation: 68-2=66 Moving to Node #0,2 Current State: 51:[48, 22, 66], Operations: ['68-2=66'] Exploring Operation: 66/22=3, Resulting Numbers: [48, 3] Generated Node #0,2,2: 51:[48, 3] Operation: 66/22=3 Moving to Node #0,2,2 Current State: 51:[48, 3], Operations: ['68-2=66', '66/22=3'] Exploring Operation: 48+3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.969618
hs_3
mult_heuristic
[ 92, 8, 24, 3 ]
97
[ "92+3=95", "8*24=192", "192-95=97" ]
Current State: 97:[92, 8, 24, 3], Operations: [] Exploring Operation: 92+3=95, Resulting Numbers: [8, 24, 95] Generated Node #2: [8, 24, 95] from Operation: 92+3=95 Current State: 97:[8, 24, 95], Operations: ['92+3=95'] Exploring Operation: 8*24=192, Resulting Numbers: [95, 192] Generated Node #3: [95, 192] from Operation: 8*24=192 Current State: 97:[95, 192], Operations: ['92+3=95', '8*24=192'] Exploring Operation: 192-95=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[92, 8, 24, 3], Operations: [] Exploring Operation: 24*3=72, Resulting Numbers: [92, 8, 72] Generated Node #0,0: 97:[92, 8, 72] Operation: 24*3=72 Exploring Operation: 8*3=24, Resulting Numbers: [92, 24, 24] Generated Node #0,1: 97:[92, 24, 24] Operation: 8*3=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[92, 8, 72], Operations: ['24*3=72'] Exploring Operation: 92+8=100, Resulting Numbers: [72, 100] Generated Node #0,0,0: 97:[72, 100] Operation: 92+8=100 Exploring Operation: 8+72=80, Resulting Numbers: [92, 80] Generated Node #0,0,1: 97:[92, 80] Operation: 8+72=80 Moving to Node #0,0,1 Current State: 97:[92, 80], Operations: ['24*3=72', '8+72=80'] Exploring Operation: 92+80=172, Resulting Numbers: [172] 172,97 unequal: No Solution Exploring Operation: 92-80=12, Resulting Numbers: [12] 12,97 unequal: No Solution Moving to Node #0,0,0 Current State: 97:[72, 100], Operations: ['24*3=72', '92+8=100'] Exploring Operation: 100-72=28, Resulting Numbers: [28] 28,97 unequal: No Solution Exploring Operation: 72+100=172, Resulting Numbers: [172] 172,97 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 #0,1 Current State: 97:[92, 24, 24], Operations: ['8*3=24'] Exploring Operation: 92+24=116, Resulting Numbers: [24, 116] Generated Node #0,1,0: 97:[24, 116] Operation: 92+24=116 Exploring Operation: 24+24=48, Resulting Numbers: [92, 48] Generated Node #0,1,1: 97:[92, 48] Operation: 24+24=48 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 97:[92, 48], Operations: ['8*3=24', '24+24=48'] Exploring Operation: 92-48=44, Resulting Numbers: [44] 44,97 unequal: No Solution Exploring Operation: 92+48=140, Resulting Numbers: [140] 140,97 unequal: No Solution No 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: 97:[24, 116], Operations: ['8*3=24', '92+24=116'] Exploring Operation: 116-24=92, Resulting Numbers: [92] 92,97 unequal: No Solution Exploring Operation: 24+116=140, Resulting Numbers: [140] 140,97 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
[ 7, 77, 49, 68 ]
65
[ "7+77=84", "68-49=19", "84-19=65" ]
Current State: 65:[7, 77, 49, 68], Operations: [] Exploring Operation: 7+77=84, Resulting Numbers: [49, 68, 84] Generated Node #2: [49, 68, 84] from Operation: 7+77=84 Current State: 65:[49, 68, 84], Operations: ['7+77=84'] Exploring Operation: 68-49=19, Resulting Numbers: [84, 19] Generated Node #3: [84, 19] from Operation: 68-49=19 Current State: 65:[84, 19], Operations: ['7+77=84', '68-49=19'] Exploring Operation: 84-19=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[7, 77, 49, 68], Operations: [] Exploring Operation: 49/7=7, Resulting Numbers: [77, 68, 7] Generated Node #0,0: 65:[77, 68, 7] Operation: 49/7=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[77, 68, 7], Operations: ['49/7=7'] Exploring Operation: 77/7=11, Resulting Numbers: [68, 11] Generated Node #0,0,0: 65:[68, 11] Operation: 77/7=11 Moving to Node #0,0,0 Current State: 65:[68, 11], Operations: ['49/7=7', '77/7=11'] Exploring Operation: 68-11=57, Resulting Numbers: [57] 57,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 9, 24, 8, 36 ]
56
[ "36/9=4", "8*4=32", "24+32=56" ]
Current State: 56:[9, 24, 8, 36], Operations: [] Exploring Operation: 36/9=4, Resulting Numbers: [24, 8, 4] Generated Node #2: [24, 8, 4] from Operation: 36/9=4 Current State: 56:[24, 8, 4], Operations: ['36/9=4'] Exploring Operation: 8*4=32, Resulting Numbers: [24, 32] Generated Node #3: [24, 32] from Operation: 8*4=32 Current State: 56:[24, 32], Operations: ['36/9=4', '8*4=32'] Exploring Operation: 24+32=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[9, 24, 8, 36], Operations: [] Exploring Operation: 24+36=60, Resulting Numbers: [9, 8, 60] Generated Node #0,0: 56:[9, 8, 60] Operation: 24+36=60 Exploring Operation: 36-24=12, Resulting Numbers: [9, 8, 12] Generated Node #0,1: 56:[9, 8, 12] Operation: 36-24=12 Exploring Operation: 36-9=27, Resulting Numbers: [24, 8, 27] Generated Node #0,2: 56:[24, 8, 27] Operation: 36-9=27 Exploring Operation: 36/9=4, Resulting Numbers: [24, 8, 4] Generated Node #0,3: 56:[24, 8, 4] Operation: 36/9=4 Start Sub Search at level 1: Moving to Node #0,1 Current State: 56:[9, 8, 12], Operations: ['36-24=12'] Exploring Operation: 9+8=17, Resulting Numbers: [12, 17] Generated Node #0,1,0: 56:[12, 17] Operation: 9+8=17 Exploring Operation: 9-8=1, Resulting Numbers: [12, 1] Generated Node #0,1,1: 56:[12, 1] Operation: 9-8=1 Exploring Operation: 12-9=3, Resulting Numbers: [8, 3] Generated Node #0,1,2: 56:[8, 3] Operation: 12-9=3 Exploring Operation: 12-8=4, Resulting Numbers: [9, 4] Generated Node #0,1,3: 56:[9, 4] Operation: 12-8=4 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 56:[8, 3], Operations: ['36-24=12', '12-9=3'] Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,56 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,56 unequal: No Solution Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 56:[9, 4], Operations: ['36-24=12', '12-8=4'] Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,56 unequal: No Solution Exploring Operation: 9+4=13, Resulting Numbers: [13] 13,56 unequal: No Solution Exploring Operation: 9*4=36, Resulting Numbers: [36] 36,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 56:[12, 1], Operations: ['36-24=12', '9-8=1'] Exploring Operation: 12*1=12, Resulting Numbers: [12] 12,56 unequal: No Solution Exploring Operation: 12/1=12, Resulting Numbers: [12] 12,56 unequal: No Solution Exploring Operation: 12+1=13, Resulting Numbers: [13] 13,56 unequal: No Solution Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 56:[12, 17], Operations: ['36-24=12', '9+8=17'] Exploring Operation: 12+17=29, Resulting Numbers: [29] 29,56 unequal: No Solution Exploring Operation: 12*17=204, Resulting Numbers: [204] 204,56 unequal: No Solution Exploring Operation: 17-12=5, Resulting Numbers: [5] 5,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 56:[24, 8, 4], Operations: ['36/9=4'] Exploring Operation: 24+4=28, Resulting Numbers: [8, 28] Generated Node #0,3,0: 56:[8, 28] Operation: 24+4=28 Exploring Operation: 24/4=6, Resulting Numbers: [8, 6] Generated Node #0,3,1: 56:[8, 6] Operation: 24/4=6 Exploring Operation: 24/8=3, Resulting Numbers: [4, 3] Generated Node #0,3,2: 56:[4, 3] Operation: 24/8=3 Exploring Operation: 24-8=16, Resulting Numbers: [4, 16] Generated Node #0,3,3: 56:[4, 16] Operation: 24-8=16 Moving to Node #0,3,0 Current State: 56:[8, 28], Operations: ['36/9=4', '24+4=28'] Exploring Operation: 8+28=36, Resulting Numbers: [36] 36,56 unequal: No Solution Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,56 unequal: No Solution Exploring Operation: 8*28=224, Resulting Numbers: [224] 224,56 unequal: No Solution Moving to Node #0,3,2 Current State: 56:[4, 3], Operations: ['36/9=4', '24/8=3'] Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,56 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,56 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,56 unequal: No Solution Moving to Node #0,3,1 Current State: 56:[8, 6], Operations: ['36/9=4', '24/4=6'] Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,56 unequal: No Solution Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,56 unequal: No Solution Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,56 unequal: No Solution Moving to Node #0,3,3 Current State: 56:[4, 16], Operations: ['36/9=4', '24-8=16'] Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,56 unequal: No Solution Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,56 unequal: No Solution Exploring Operation: 4+16=20, Resulting Numbers: [20] 20,56 unequal: No Solution Exploring Operation: 4*16=64, Resulting Numbers: [64] 64,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[9, 8, 60], Operations: ['24+36=60'] Exploring Operation: 9-8=1, Resulting Numbers: [60, 1] Generated Node #0,0,0: 56:[60, 1] Operation: 9-8=1 Exploring Operation: 9+8=17, Resulting Numbers: [60, 17] Generated Node #0,0,1: 56:[60, 17] Operation: 9+8=17 Exploring Operation: 60-9=51, Resulting Numbers: [8, 51] Generated Node #0,0,2: 56:[8, 51] Operation: 60-9=51 Exploring Operation: 60-8=52, Resulting Numbers: [9, 52] Generated Node #0,0,3: 56:[9, 52] Operation: 60-8=52 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 56:[60, 1], Operations: ['24+36=60', '9-8=1'] Exploring Operation: 60/1=60, Resulting Numbers: [60] 60,56 unequal: No Solution Exploring Operation: 60+1=61, Resulting Numbers: [61] 61,56 unequal: No Solution Exploring Operation: 60-1=59, Resulting Numbers: [59] 59,56 unequal: No Solution Exploring Operation: 60*1=60, Resulting Numbers: [60] 60,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 56:[8, 51], Operations: ['24+36=60', '60-9=51'] Exploring Operation: 51-8=43, Resulting Numbers: [43] 43,56 unequal: No Solution Exploring Operation: 8*51=408, Resulting Numbers: [408] 408,56 unequal: No Solution Exploring Operation: 8+51=59, Resulting Numbers: [59] 59,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 56:[9, 52], Operations: ['24+36=60', '60-8=52'] Exploring Operation: 9+52=61, Resulting Numbers: [61] 61,56 unequal: No Solution Exploring Operation: 52-9=43, Resulting Numbers: [43] 43,56 unequal: No Solution Exploring Operation: 9*52=468, Resulting Numbers: [468] 468,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 56:[60, 17], Operations: ['24+36=60', '9+8=17'] Exploring Operation: 60-17=43, Resulting Numbers: [43] 43,56 unequal: No Solution Exploring Operation: 60+17=77, Resulting Numbers: [77] 77,56 unequal: No Solution Exploring Operation: 60*17=1020, Resulting Numbers: [1020] 1020,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 56:[24, 8, 27], Operations: ['36-9=27'] Exploring Operation: 27-24=3, Resulting Numbers: [8, 3] Generated Node #0,2,0: 56:[8, 3] Operation: 27-24=3 Exploring Operation: 24-8=16, Resulting Numbers: [27, 16] Generated Node #0,2,1: 56:[27, 16] Operation: 24-8=16 Exploring Operation: 24+8=32, Resulting Numbers: [27, 32] Generated Node #0,2,2: 56:[27, 32] Operation: 24+8=32 Exploring Operation: 24/8=3, Resulting Numbers: [27, 3] Generated Node #0,2,3: 56:[27, 3] Operation: 24/8=3 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 56:[8, 3], Operations: ['36-9=27', '27-24=3'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,56 unequal: No Solution Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,56 unequal: No Solution Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 56:[27, 3], Operations: ['36-9=27', '24/8=3'] Exploring Operation: 27+3=30, Resulting Numbers: [30] 30,56 unequal: No Solution Exploring Operation: 27/3=9, Resulting Numbers: [9] 9,56 unequal: No Solution Exploring Operation: 27*3=81, Resulting Numbers: [81] 81,56 unequal: No Solution Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 56:[27, 16], Operations: ['36-9=27', '24-8=16'] Exploring Operation: 27*16=432, Resulting Numbers: [432] 432,56 unequal: No Solution Exploring Operation: 27+16=43, Resulting Numbers: [43] 43,56 unequal: No Solution Exploring Operation: 27-16=11, Resulting Numbers: [11] 11,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 56:[27, 32], Operations: ['36-9=27', '24+8=32'] Exploring Operation: 32-27=5, Resulting Numbers: [5] 5,56 unequal: No Solution Exploring Operation: 27+32=59, Resulting Numbers: [59] 59,56 unequal: No Solution Exploring Operation: 27*32=864, Resulting Numbers: [864] 864,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 56, 2, 39, 56 ]
17
[ "56*2=112", "39+56=95", "112-95=17" ]
Current State: 17:[56, 2, 39, 56], Operations: [] Exploring Operation: 56*2=112, Resulting Numbers: [39, 112] Generated Node #2: [39, 112] from Operation: 56*2=112 Current State: 17:[39, 112], Operations: ['56*2=112'] Exploring Operation: 39+56=95, Resulting Numbers: [112, 95] Generated Node #3: [112, 95] from Operation: 39+56=95 Current State: 17:[112, 95], Operations: ['56*2=112', '39+56=95'] Exploring Operation: 112-95=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[56, 2, 39, 56], Operations: [] Exploring Operation: 56-39=17, Resulting Numbers: [2, 56, 17] Generated Node #0,0: 17:[2, 56, 17] Operation: 56-39=17 Exploring Operation: 56/56=1, Resulting Numbers: [2, 39, 1] Generated Node #0,1: 17:[2, 39, 1] Operation: 56/56=1 Moving to Node #0,1 Current State: 17:[2, 39, 1], Operations: ['56/56=1'] Exploring Operation: 39-2=37, Resulting Numbers: [1, 37] Generated Node #0,1,0: 17:[1, 37] Operation: 39-2=37 Exploring Operation: 2+1=3, Resulting Numbers: [39, 3] Generated Node #0,1,1: 17:[39, 3] Operation: 2+1=3 Moving to Node #0,0 Current State: 17:[2, 56, 17], Operations: ['56-39=17'] Exploring Operation: 56/2=28, Resulting Numbers: [17, 28] Generated Node #0,0,0: 17:[17, 28] Operation: 56/2=28 Exploring Operation: 56-2=54, Resulting Numbers: [17, 54] Generated Node #0,0,1: 17:[17, 54] Operation: 56-2=54 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 17:[17, 28], Operations: ['56-39=17', '56/2=28'] Exploring Operation: 17+28=45, Resulting Numbers: [45] 45,17 unequal: No Solution Exploring Operation: 28-17=11, Resulting Numbers: [11] 11,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 17:[17, 54], Operations: ['56-39=17', '56-2=54'] Exploring Operation: 54-17=37, Resulting Numbers: [37] 37,17 unequal: No Solution Exploring Operation: 17+54=71, Resulting Numbers: [71] 71,17 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: 17:[1, 37], Operations: ['56/56=1', '39-2=37'] Exploring Operation: 1*37=37, Resulting Numbers: [37] 37,17 unequal: No Solution Exploring Operation: 37-1=36, Resulting Numbers: [36] 36,17 unequal: No Solution Moving to Node #0,1,1 Current State: 17:[39, 3], Operations: ['56/56=1', '2+1=3'] Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,17 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,17 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 48, 90, 66, 53 ]
77
[ "90-48=42", "66+53=119", "119-42=77" ]
Current State: 77:[48, 90, 66, 53], Operations: [] Exploring Operation: 90-48=42, Resulting Numbers: [66, 53, 42] Generated Node #2: [66, 53, 42] from Operation: 90-48=42 Current State: 77:[66, 53, 42], Operations: ['90-48=42'] Exploring Operation: 66+53=119, Resulting Numbers: [42, 119] Generated Node #3: [42, 119] from Operation: 66+53=119 Current State: 77:[42, 119], Operations: ['90-48=42', '66+53=119'] Exploring Operation: 119-42=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[48, 90, 66, 53], Operations: [] Exploring Operation: 48+53=101, Resulting Numbers: [90, 66, 101] Generated Node #0,0: 77:[90, 66, 101] Operation: 48+53=101 Exploring Operation: 66-48=18, Resulting Numbers: [90, 53, 18] Generated Node #0,1: 77:[90, 53, 18] Operation: 66-48=18 Exploring Operation: 53-48=5, Resulting Numbers: [90, 66, 5] Generated Node #0,2: 77:[90, 66, 5] Operation: 53-48=5 Exploring Operation: 90-48=42, Resulting Numbers: [66, 53, 42] Generated Node #0,3: 77:[66, 53, 42] Operation: 90-48=42 Exploring Operation: 66-53=13, Resulting Numbers: [48, 90, 13] Generated Node #0,4: 77:[48, 90, 13] Operation: 66-53=13 Moving to Node #0,2 Current State: 77:[90, 66, 5], Operations: ['53-48=5'] Exploring Operation: 90+5=95, Resulting Numbers: [66, 95] Generated Node #0,2,0: 77:[66, 95] Operation: 90+5=95 Exploring Operation: 90-66=24, Resulting Numbers: [5, 24] Generated Node #0,2,1: 77:[5, 24] Operation: 90-66=24 Exploring Operation: 90/5=18, Resulting Numbers: [66, 18] Generated Node #0,2,2: 77:[66, 18] Operation: 90/5=18 Exploring Operation: 90-5=85, Resulting Numbers: [66, 85] Generated Node #0,2,3: 77:[66, 85] Operation: 90-5=85 Exploring Operation: 66+5=71, Resulting Numbers: [90, 71] Generated Node #0,2,4: 77:[90, 71] Operation: 66+5=71 Moving to Node #0,4 Current State: 77:[48, 90, 13], Operations: ['66-53=13'] Exploring Operation: 48+13=61, Resulting Numbers: [90, 61] Generated Node #0,4,0: 77:[90, 61] Operation: 48+13=61 Exploring Operation: 48-13=35, Resulting Numbers: [90, 35] Generated Node #0,4,1: 77:[90, 35] Operation: 48-13=35 Exploring Operation: 90-13=77, Resulting Numbers: [48, 77] Generated Node #0,4,2: 77:[48, 77] Operation: 90-13=77 Exploring Operation: 90+13=103, Resulting Numbers: [48, 103] Generated Node #0,4,3: 77:[48, 103] Operation: 90+13=103 Exploring Operation: 90-48=42, Resulting Numbers: [13, 42] Generated Node #0,4,4: 77:[13, 42] Operation: 90-48=42 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 77:[90, 61], Operations: ['66-53=13', '48+13=61'] Exploring Operation: 90+61=151, Resulting Numbers: [151] 151,77 unequal: No Solution Exploring Operation: 90*61=5490, Resulting Numbers: [5490] 5490,77 unequal: No Solution Exploring Operation: 90-61=29, Resulting Numbers: [29] 29,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 77:[48, 77], Operations: ['66-53=13', '90-13=77'] Exploring Operation: 48+77=125, Resulting Numbers: [125] 125,77 unequal: No Solution Exploring Operation: 77-48=29, Resulting Numbers: [29] 29,77 unequal: No Solution Exploring Operation: 48*77=3696, Resulting Numbers: [3696] 3696,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 77:[13, 42], Operations: ['66-53=13', '90-48=42'] Exploring Operation: 42-13=29, Resulting Numbers: [29] 29,77 unequal: No Solution Exploring Operation: 13*42=546, Resulting Numbers: [546] 546,77 unequal: No Solution Exploring Operation: 13+42=55, Resulting Numbers: [55] 55,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 77:[90, 35], Operations: ['66-53=13', '48-13=35'] Exploring Operation: 90*35=3150, Resulting Numbers: [3150] 3150,77 unequal: No Solution Exploring Operation: 90-35=55, Resulting Numbers: [55] 55,77 unequal: No Solution Exploring Operation: 90+35=125, Resulting Numbers: [125] 125,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 77:[48, 103], Operations: ['66-53=13', '90+13=103'] Exploring Operation: 103-48=55, Resulting Numbers: [55] 55,77 unequal: No Solution Exploring Operation: 48*103=4944, Resulting Numbers: [4944] 4944,77 unequal: No Solution Exploring Operation: 48+103=151, Resulting Numbers: [151] 151,77 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: 77:[90, 53, 18], Operations: ['66-48=18'] Exploring Operation: 53+18=71, Resulting Numbers: [90, 71] Generated Node #0,1,0: 77:[90, 71] Operation: 53+18=71 Exploring Operation: 53-18=35, Resulting Numbers: [90, 35] Generated Node #0,1,1: 77:[90, 35] Operation: 53-18=35 Exploring Operation: 90-18=72, Resulting Numbers: [53, 72] Generated Node #0,1,2: 77:[53, 72] Operation: 90-18=72 Exploring Operation: 90-53=37, Resulting Numbers: [18, 37] Generated Node #0,1,3: 77:[18, 37] Operation: 90-53=37 Exploring Operation: 90/18=5, Resulting Numbers: [53, 5] Generated Node #0,1,4: 77:[53, 5] Operation: 90/18=5 Moving to Node #0,0 Current State: 77:[90, 66, 101], Operations: ['48+53=101'] Exploring Operation: 101-66=35, Resulting Numbers: [90, 35] Generated Node #0,0,0: 77:[90, 35] Operation: 101-66=35 Exploring Operation: 90+66=156, Resulting Numbers: [101, 156] Generated Node #0,0,1: 77:[101, 156] Operation: 90+66=156 Exploring Operation: 66+101=167, Resulting Numbers: [90, 167] Generated Node #0,0,2: 77:[90, 167] Operation: 66+101=167 Exploring Operation: 101-90=11, Resulting Numbers: [66, 11] Generated Node #0,0,3: 77:[66, 11] Operation: 101-90=11 Exploring Operation: 90-66=24, Resulting Numbers: [101, 24] Generated Node #0,0,4: 77:[101, 24] Operation: 90-66=24 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 77:[66, 11], Operations: ['48+53=101', '101-90=11'] Exploring Operation: 66/11=6, Resulting Numbers: [6] 6,77 unequal: No Solution Exploring Operation: 66-11=55, Resulting Numbers: [55] 55,77 unequal: No Solution Exploring Operation: 66+11=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[48, 90, 66, 53], Operations: [] Exploring Operation: 48+53=101, Resulting Numbers: [90, 66, 101] Generated Node #0,0: 77:[90, 66, 101] Operation: 48+53=101 Moving to Node #0,0 Current State: 77:[90, 66, 101], Operations: ['48+53=101'] Exploring Operation: 101-90=11, Resulting Numbers: [66, 11] Generated Node #0,0,3: 77:[66, 11] Operation: 101-90=11 Moving to Node #0,0,3 Current State: 77:[66, 11], Operations: ['48+53=101', '101-90=11'] Exploring Operation: 66+11=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 1
0.959201
hs_5
sum_heuristic
[ 77, 48, 87, 92 ]
14
[ "87-77=10", "48+92=140", "140/10=14" ]
Current State: 14:[77, 48, 87, 92], Operations: [] Exploring Operation: 87-77=10, Resulting Numbers: [48, 92, 10] Generated Node #2: [48, 92, 10] from Operation: 87-77=10 Current State: 14:[48, 92, 10], Operations: ['87-77=10'] Exploring Operation: 48+92=140, Resulting Numbers: [10, 140] Generated Node #3: [10, 140] from Operation: 48+92=140 Current State: 14:[10, 140], Operations: ['87-77=10', '48+92=140'] Exploring Operation: 140/10=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[77, 48, 87, 92], Operations: [] Exploring Operation: 92-77=15, Resulting Numbers: [48, 87, 15] Generated Node #0,0: 14:[48, 87, 15] Operation: 92-77=15 Exploring Operation: 87-77=10, Resulting Numbers: [48, 92, 10] Generated Node #0,1: 14:[48, 92, 10] Operation: 87-77=10 Exploring Operation: 87-48=39, Resulting Numbers: [77, 92, 39] Generated Node #0,2: 14:[77, 92, 39] Operation: 87-48=39 Exploring Operation: 77-48=29, Resulting Numbers: [87, 92, 29] Generated Node #0,3: 14:[87, 92, 29] Operation: 77-48=29 Exploring Operation: 92-87=5, Resulting Numbers: [77, 48, 5] Generated Node #0,4: 14:[77, 48, 5] Operation: 92-87=5 Moving to Node #0,4 Current State: 14:[77, 48, 5], Operations: ['92-87=5'] Exploring Operation: 77-5=72, Resulting Numbers: [48, 72] Generated Node #0,4,0: 14:[48, 72] Operation: 77-5=72 Exploring Operation: 48-5=43, Resulting Numbers: [77, 43] Generated Node #0,4,1: 14:[77, 43] Operation: 48-5=43 Exploring Operation: 77+5=82, Resulting Numbers: [48, 82] Generated Node #0,4,2: 14:[48, 82] Operation: 77+5=82 Exploring Operation: 48+5=53, Resulting Numbers: [77, 53] Generated Node #0,4,3: 14:[77, 53] Operation: 48+5=53 Exploring Operation: 77-48=29, Resulting Numbers: [5, 29] Generated Node #0,4,4: 14:[5, 29] Operation: 77-48=29 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 14:[5, 29], Operations: ['92-87=5', '77-48=29'] Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,14 unequal: No Solution Exploring Operation: 5+29=34, Resulting Numbers: [34] 34,14 unequal: No Solution Exploring Operation: 5*29=145, Resulting Numbers: [145] 145,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 14:[48, 72], Operations: ['92-87=5', '77-5=72'] Exploring Operation: 72-48=24, Resulting Numbers: [24] 24,14 unequal: No Solution Exploring Operation: 48+72=120, Resulting Numbers: [120] 120,14 unequal: No Solution Exploring Operation: 48*72=3456, Resulting Numbers: [3456] 3456,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 14:[77, 43], Operations: ['92-87=5', '48-5=43'] Exploring Operation: 77+43=120, Resulting Numbers: [120] 120,14 unequal: No Solution Exploring Operation: 77-43=34, Resulting Numbers: [34] 34,14 unequal: No Solution Exploring Operation: 77*43=3311, Resulting Numbers: [3311] 3311,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 14:[48, 82], Operations: ['92-87=5', '77+5=82'] Exploring Operation: 48*82=3936, Resulting Numbers: [3936] 3936,14 unequal: No Solution Exploring Operation: 82-48=34, Resulting Numbers: [34] 34,14 unequal: No Solution Exploring Operation: 48+82=130, Resulting Numbers: [130] 130,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 14:[77, 53], Operations: ['92-87=5', '48+5=53'] Exploring Operation: 77*53=4081, Resulting Numbers: [4081] 4081,14 unequal: No Solution Exploring Operation: 77-53=24, Resulting Numbers: [24] 24,14 unequal: No Solution Exploring Operation: 77+53=130, Resulting Numbers: [130] 130,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 14:[48, 87, 15], Operations: ['92-77=15'] Exploring Operation: 48+87=135, Resulting Numbers: [15, 135] Generated Node #0,0,0: 14:[15, 135] Operation: 48+87=135 Exploring Operation: 48+15=63, Resulting Numbers: [87, 63] Generated Node #0,0,1: 14:[87, 63] Operation: 48+15=63 Exploring Operation: 48-15=33, Resulting Numbers: [87, 33] Generated Node #0,0,2: 14:[87, 33] Operation: 48-15=33 Exploring Operation: 87-48=39, Resulting Numbers: [15, 39] Generated Node #0,0,3: 14:[15, 39] Operation: 87-48=39 Exploring Operation: 87-15=72, Resulting Numbers: [48, 72] Generated Node #0,0,4: 14:[48, 72] Operation: 87-15=72 Moving to Node #0,1 Current State: 14:[48, 92, 10], Operations: ['87-77=10'] Exploring Operation: 48+10=58, Resulting Numbers: [92, 58] Generated Node #0,1,0: 14:[92, 58] Operation: 48+10=58 Exploring Operation: 48-10=38, Resulting Numbers: [92, 38] Generated Node #0,1,1: 14:[92, 38] Operation: 48-10=38 Exploring Operation: 92-48=44, Resulting Numbers: [10, 44] Generated Node #0,1,2: 14:[10, 44] Operation: 92-48=44 Exploring Operation: 92-10=82, Resulting Numbers: [48, 82] Generated Node #0,1,3: 14:[48, 82] Operation: 92-10=82 Exploring Operation: 92+10=102, Resulting Numbers: [48, 102] Generated Node #0,1,4: 14:[48, 102] Operation: 92+10=102 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 14:[10, 44], Operations: ['87-77=10', '92-48=44'] Exploring Operation: 10+44=54, Resulting Numbers: [54] 54,14 unequal: No Solution Exploring Operation: 10*44=440, Resulting Numbers: [440] 440,14 unequal: No Solution Exploring Operation: 44-10=34, Resulting Numbers: [34] 34,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 14:[92, 38], Operations: ['87-77=10', '48-10=38'] Exploring Operation: 92*38=3496, Resulting Numbers: [3496] 3496,14 unequal: No Solution Exploring Operation: 92-38=54, Resulting Numbers: [54] 54,14 unequal: No Solution Exploring Operation: 92+38=130, Resulting Numbers: [130] 130,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 14:[48, 82], Operations: ['87-77=10', '92-10=82'] Exploring Operation: 82-48=34, Resulting Numbers: [34] 34,14 unequal: No Solution Exploring Operation: 48*82=3936, Resulting Numbers: [3936] 3936,14 unequal: No Solution Exploring Operation: 48+82=130, Resulting Numbers: [130] 130,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 14:[92, 58], Operations: ['87-77=10', '48+10=58'] Exploring Operation: 92+58=150, Resulting Numbers: [150] 150,14 unequal: No Solution Exploring Operation: 92*58=5336, Resulting Numbers: [5336] 5336,14 unequal: No Solution Exploring Operation: 92-58=34, Resulting Numbers: [34] 34,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 14:[48, 102], Operations: ['87-77=10', '92+10=102'] Exploring Operation: 48+102=150, Resulting Numbers: [150] 150,14 unequal: No Solution Exploring Operation: 102-48=54, Resulting Numbers: [54] 54,14 unequal: No Solution Exploring Operation: 48*102=4896, Resulting Numbers: [4896] 4896,14 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: 14:[77, 92, 39], Operations: ['87-48=39'] Exploring Operation: 92-77=15, Resulting Numbers: [39, 15] Generated Node #0,2,0: 14:[39, 15] Operation: 92-77=15 Exploring Operation: 77+39=116, Resulting Numbers: [92, 116] Generated Node #0,2,1: 14:[92, 116] Operation: 77+39=116 Exploring Operation: 77+92=169, Resulting Numbers: [39, 169] Generated Node #0,2,2: 14:[39, 169] Operation: 77+92=169 Exploring Operation: 77-39=38, Resulting Numbers: [92, 38] Generated Node #0,2,3: 14:[92, 38] Operation: 77-39=38 Exploring Operation: 92-39=53, Resulting Numbers: [77, 53] Generated Node #0,2,4: 14:[77, 53] Operation: 92-39=53 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 14:[39, 15], Operations: ['87-48=39', '92-77=15'] Exploring Operation: 39-15=24, Resulting Numbers: [24] 24,14 unequal: No Solution Exploring Operation: 39+15=54, Resulting Numbers: [54] 54,14 unequal: No Solution Exploring Operation: 39*15=585, Resulting Numbers: [585] 585,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 14:[92, 38], Operations: ['87-48=39', '77-39=38'] Exploring Operation: 92+38=130, Resulting Numbers: [130] 130,14 unequal: No Solution Exploring Operation: 92-38=54, Resulting Numbers: [54] 54,14 unequal: No Solution Exploring Operation: 92*38=3496, Resulting Numbers: [3496] 3496,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 14:[77, 53], Operations: ['87-48=39', '92-39=53'] Exploring Operation: 77-53=24, Resulting Numbers: [24] 24,14 unequal: No Solution Exploring Operation: 77+53=130, Resulting Numbers: [130] 130,14 unequal: No Solution Exploring Operation: 77*53=4081, Resulting Numbers: [4081] 4081,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 14:[92, 116], Operations: ['87-48=39', '77+39=116'] Exploring Operation: 92*116=10672, Resulting Numbers: [10672] 10672,14 unequal: No Solution Exploring Operation: 116-92=24, Resulting Numbers: [24] 24,14 unequal: No Solution Exploring Operation: 92+116=208, Resulting Numbers: [208] 208,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 14:[39, 169], Operations: ['87-48=39', '77+92=169'] Exploring Operation: 39*169=6591, Resulting Numbers: [6591] 6591,14 unequal: No Solution Exploring Operation: 39+169=208, Resulting Numbers: [208] 208,14 unequal: No Solution Exploring Operation: 169-39=130, Resulting Numbers: [130] 130,14 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: 14:[87, 92, 29], Operations: ['77-48=29'] Exploring Operation: 92-29=63, Resulting Numbers: [87, 63] Generated Node #0,3,0: 14:[87, 63] Operation: 92-29=63 Exploring Operation: 92-87=5, Resulting Numbers: [29, 5] Generated Node #0,3,1: 14:[29, 5] Operation: 92-87=5 Exploring Operation: 87/29=3, Resulting Numbers: [92, 3] Generated Node #0,3,2: 14:[92, 3] Operation: 87/29=3 Exploring Operation: 87+92=179, Resulting Numbers: [29, 179] Generated Node #0,3,3: 14:[29, 179] Operation: 87+92=179 Exploring Operation: 87-29=58, Resulting Numbers: [92, 58] Generated Node #0,3,4: 14:[92, 58] Operation: 87-29=58 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 14:[29, 5], Operations: ['77-48=29', '92-87=5'] Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,14 unequal: No Solution Exploring Operation: 29*5=145, Resulting Numbers: [145] 145,14 unequal: No Solution Exploring Operation: 29+5=34, Resulting Numbers: [34] 34,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 14:[92, 3], Operations: ['77-48=29', '87/29=3'] Exploring Operation: 92+3=95, Resulting Numbers: [95] 95,14 unequal: No Solution Exploring Operation: 92*3=276, Resulting Numbers: [276] 276,14 unequal: No Solution Exploring Operation: 92-3=89, Resulting Numbers: [89] 89,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 14:[87, 63], Operations: ['77-48=29', '92-29=63'] Exploring Operation: 87*63=5481, Resulting Numbers: [5481] 5481,14 unequal: No Solution Exploring Operation: 87-63=24, Resulting Numbers: [24] 24,14 unequal: No Solution Exploring Operation: 87+63=150, Resulting Numbers: [150] 150,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 14:[92, 58], Operations: ['77-48=29', '87-29=58'] Exploring Operation: 92*58=5336, Resulting Numbers: [5336] 5336,14 unequal: No Solution Exploring Operation: 92-58=34, Resulting Numbers: [34] 34,14 unequal: No Solution Exploring Operation: 92+58=150, Resulting Numbers: [150] 150,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 14:[29, 179], Operations: ['77-48=29', '87+92=179'] Exploring Operation: 29*179=5191, Resulting Numbers: [5191] 5191,14 unequal: No Solution Exploring Operation: 179-29=150, Resulting Numbers: [150] 150,14 unequal: No Solution Exploring Operation: 29+179=208, Resulting Numbers: [208] 208,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,3 Current State: 14:[15, 39], Operations: ['92-77=15', '87-48=39'] Exploring Operation: 15+39=54, Resulting Numbers: [54] 54,14 unequal: No Solution Exploring Operation: 15*39=585, Resulting Numbers: [585] 585,14 unequal: No Solution Exploring Operation: 39-15=24, Resulting Numbers: [24] 24,14 unequal: No Solution Moving to Node #0,0,4 Current State: 14:[48, 72], Operations: ['92-77=15', '87-15=72'] Exploring Operation: 72-48=24, Resulting Numbers: [24] 24,14 unequal: No Solution Exploring Operation: 48*72=3456, Resulting Numbers: [3456] 3456,14 unequal: No Solution Exploring Operation: 48+72=120, Resulting Numbers: [120] 120,14 unequal: No Solution Moving to Node #0,0,2 Current State: 14:[87, 33], Operations: ['92-77=15', '48-15=33'] Exploring Operation: 87*33=2871, Resulting Numbers: [2871] 2871,14 unequal: No Solution Exploring Operation: 87+33=120, Resulting Numbers: [120] 120,14 unequal: No Solution Exploring Operation: 87-33=54, Resulting Numbers: [54] 54,14 unequal: No Solution Moving to Node #0,0,0 Current State: 14:[15, 135], Operations: ['92-77=15', '48+87=135'] Exploring Operation: 135-15=120, Resulting Numbers: [120] 120,14 unequal: No Solution Exploring Operation: 135/15=9, Resulting Numbers: [9] 9,14 unequal: No Solution Exploring Operation: 15*135=2025, Resulting Numbers: [2025] 2025,14 unequal: No Solution Exploring Operation: 15+135=150, Resulting Numbers: [150] 150,14 unequal: No Solution Moving to Node #0,0,1 Current State: 14:[87, 63], Operations: ['92-77=15', '48+15=63'] Exploring Operation: 87*63=5481, Resulting Numbers: [5481] 5481,14 unequal: No Solution Exploring Operation: 87-63=24, Resulting Numbers: [24] 24,14 unequal: No Solution Exploring Operation: 87+63=150, Resulting Numbers: [150] 150,14 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 41, 51, 31, 74 ]
76
[ "51+31=82", "82/41=2", "74+2=76" ]
Current State: 76:[41, 51, 31, 74], Operations: [] Exploring Operation: 51+31=82, Resulting Numbers: [41, 74, 82] Generated Node #2: [41, 74, 82] from Operation: 51+31=82 Current State: 76:[41, 74, 82], Operations: ['51+31=82'] Exploring Operation: 82/41=2, Resulting Numbers: [74, 2] Generated Node #3: [74, 2] from Operation: 82/41=2 Current State: 76:[74, 2], Operations: ['51+31=82', '82/41=2'] Exploring Operation: 74+2=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[41, 51, 31, 74], Operations: [] Exploring Operation: 51-31=20, Resulting Numbers: [41, 74, 20] Generated Node #0,0: 76:[41, 74, 20] Operation: 51-31=20 Exploring Operation: 51+31=82, Resulting Numbers: [41, 74, 82] Generated Node #0,1: 76:[41, 74, 82] Operation: 51+31=82 Moving to Node #0,0 Current State: 76:[41, 74, 20], Operations: ['51-31=20'] Exploring Operation: 74-41=33, Resulting Numbers: [20, 33] Generated Node #0,0,0: 76:[20, 33] Operation: 74-41=33 Exploring Operation: 41-20=21, Resulting Numbers: [74, 21] Generated Node #0,0,1: 76:[74, 21] Operation: 41-20=21 Moving to Node #0,1 Current State: 76:[41, 74, 82], Operations: ['51+31=82'] Exploring Operation: 82-41=41, Resulting Numbers: [74, 41] Generated Node #0,1,0: 76:[74, 41] Operation: 82-41=41 Exploring Operation: 82/41=2, Resulting Numbers: [74, 2] Generated Node #0,1,1: 76:[74, 2] Operation: 82/41=2 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 76:[74, 2], Operations: ['51+31=82', '82/41=2'] Exploring Operation: 74+2=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[41, 51, 31, 74], Operations: [] Exploring Operation: 51+31=82, Resulting Numbers: [41, 74, 82] Generated Node #0,1: 76:[41, 74, 82] Operation: 51+31=82 Moving to Node #0,1 Current State: 76:[41, 74, 82], Operations: ['51+31=82'] Exploring Operation: 82/41=2, Resulting Numbers: [74, 2] Generated Node #0,1,1: 76:[74, 2] Operation: 82/41=2 Moving to Node #0,1,1 Current State: 76:[74, 2], Operations: ['51+31=82', '82/41=2'] Exploring Operation: 74+2=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 2, 98, 79, 2 ]
58
[ "2+98=100", "79*2=158", "158-100=58" ]
Current State: 58:[2, 98, 79, 2], Operations: [] Exploring Operation: 2+98=100, Resulting Numbers: [79, 100] Generated Node #2: [79, 100] from Operation: 2+98=100 Current State: 58:[79, 100], Operations: ['2+98=100'] Exploring Operation: 79*2=158, Resulting Numbers: [100, 158] Generated Node #3: [100, 158] from Operation: 79*2=158 Current State: 58:[100, 158], Operations: ['2+98=100', '79*2=158'] Exploring Operation: 158-100=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[2, 98, 79, 2], Operations: [] Exploring Operation: 98-79=19, Resulting Numbers: [2, 2, 19] Generated Node #0,0: 58:[2, 2, 19] Operation: 98-79=19 Exploring Operation: 98/2=49, Resulting Numbers: [79, 2, 49] Generated Node #0,1: 58:[79, 2, 49] Operation: 98/2=49 Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[2, 2, 19], Operations: ['98-79=19'] Exploring Operation: 2+19=21, Resulting Numbers: [2, 21] Generated Node #0,0,0: 58:[2, 21] Operation: 2+19=21 Exploring Operation: 2+19=21, Resulting Numbers: [2, 21] Generated Node #0,0,1: 58:[2, 21] Operation: 2+19=21 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 58:[2, 21], Operations: ['98-79=19', '2+19=21'] Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,58 unequal: No Solution Exploring Operation: 2+21=23, Resulting Numbers: [23] 23,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 58:[2, 21], Operations: ['98-79=19', '2+19=21'] Exploring Operation: 2+21=23, Resulting Numbers: [23] 23,58 unequal: No Solution Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 58:[79, 2, 49], Operations: ['98/2=49'] Exploring Operation: 79-2=77, Resulting Numbers: [49, 77] Generated Node #0,1,0: 58:[49, 77] Operation: 79-2=77 Exploring Operation: 79-49=30, Resulting Numbers: [2, 30] Generated Node #0,1,1: 58:[2, 30] Operation: 79-49=30 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 58:[2, 30], Operations: ['98/2=49', '79-49=30'] Exploring Operation: 2*30=60, Resulting Numbers: [60] 60,58 unequal: No Solution Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 58:[49, 77], Operations: ['98/2=49', '79-2=77'] Exploring Operation: 49+77=126, Resulting Numbers: [126] 126,58 unequal: No Solution Exploring Operation: 77-49=28, Resulting Numbers: [28] 28,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 42, 93, 95, 25 ]
19
[ "93-42=51", "95-25=70", "70-51=19" ]
Current State: 19:[42, 93, 95, 25], Operations: [] Exploring Operation: 93-42=51, Resulting Numbers: [95, 25, 51] Generated Node #2: [95, 25, 51] from Operation: 93-42=51 Current State: 19:[95, 25, 51], Operations: ['93-42=51'] Exploring Operation: 95-25=70, Resulting Numbers: [51, 70] Generated Node #3: [51, 70] from Operation: 95-25=70 Current State: 19:[51, 70], Operations: ['93-42=51', '95-25=70'] Exploring Operation: 70-51=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[42, 93, 95, 25], Operations: [] Exploring Operation: 95-42=53, Resulting Numbers: [93, 25, 53] Generated Node #0,0: 19:[93, 25, 53] Operation: 95-42=53 Exploring Operation: 95-93=2, Resulting Numbers: [42, 25, 2] Generated Node #0,1: 19:[42, 25, 2] Operation: 95-93=2 Exploring Operation: 93-42=51, Resulting Numbers: [95, 25, 51] Generated Node #0,2: 19:[95, 25, 51] Operation: 93-42=51 Start Sub Search at level 1: Moving to Node #0,1 Current State: 19:[42, 25, 2], Operations: ['95-93=2'] Exploring Operation: 42/2=21, Resulting Numbers: [25, 21] Generated Node #0,1,0: 19:[25, 21] Operation: 42/2=21 Exploring Operation: 42-25=17, Resulting Numbers: [2, 17] Generated Node #0,1,1: 19:[2, 17] Operation: 42-25=17 Exploring Operation: 42-2=40, Resulting Numbers: [25, 40] Generated Node #0,1,2: 19:[25, 40] Operation: 42-2=40 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 19:[25, 21], Operations: ['95-93=2', '42/2=21'] Exploring Operation: 25-21=4, Resulting Numbers: [4] 4,19 unequal: No Solution Exploring Operation: 25+21=46, Resulting Numbers: [46] 46,19 unequal: No Solution Exploring Operation: 25*21=525, Resulting Numbers: [525] 525,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 19:[2, 17], Operations: ['95-93=2', '42-25=17'] Exploring Operation: 2+17=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[42, 93, 95, 25], Operations: [] Exploring Operation: 95-93=2, Resulting Numbers: [42, 25, 2] Generated Node #0,1: 19:[42, 25, 2] Operation: 95-93=2 Moving to Node #0,1 Current State: 19:[42, 25, 2], Operations: ['95-93=2'] Exploring Operation: 42-25=17, Resulting Numbers: [2, 17] Generated Node #0,1,1: 19:[2, 17] Operation: 42-25=17 Moving to Node #0,1,1 Current State: 19:[2, 17], Operations: ['95-93=2', '42-25=17'] Exploring Operation: 2+17=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_3
mult_heuristic
[ 14, 3, 78, 61 ]
91
[ "14+78=92", "3*61=183", "183-92=91" ]
Current State: 91:[14, 3, 78, 61], Operations: [] Exploring Operation: 14+78=92, Resulting Numbers: [3, 61, 92] Generated Node #2: [3, 61, 92] from Operation: 14+78=92 Current State: 91:[3, 61, 92], Operations: ['14+78=92'] Exploring Operation: 3*61=183, Resulting Numbers: [92, 183] Generated Node #3: [92, 183] from Operation: 3*61=183 Current State: 91:[92, 183], Operations: ['14+78=92', '3*61=183'] Exploring Operation: 183-92=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[14, 3, 78, 61], Operations: [] Exploring Operation: 3+78=81, Resulting Numbers: [14, 61, 81] Generated Node #0,0: 91:[14, 61, 81] Operation: 3+78=81 Exploring Operation: 14+78=92, Resulting Numbers: [3, 61, 92] Generated Node #0,1: 91:[3, 61, 92] Operation: 14+78=92 Exploring Operation: 78-61=17, Resulting Numbers: [14, 3, 17] Generated Node #0,2: 91:[14, 3, 17] Operation: 78-61=17 Exploring Operation: 14+61=75, Resulting Numbers: [3, 78, 75] Generated Node #0,3: 91:[3, 78, 75] Operation: 14+61=75 Start Sub Search at level 1: Moving to Node #0,2 Current State: 91:[14, 3, 17], Operations: ['78-61=17'] Exploring Operation: 17-3=14, Resulting Numbers: [14, 14] Generated Node #0,2,0: 91:[14, 14] Operation: 17-3=14 Exploring Operation: 14+3=17, Resulting Numbers: [17, 17] Generated Node #0,2,1: 91:[17, 17] Operation: 14+3=17 Exploring Operation: 17-14=3, Resulting Numbers: [3, 3] Generated Node #0,2,2: 91:[3, 3] Operation: 17-14=3 Exploring Operation: 14-3=11, Resulting Numbers: [17, 11] Generated Node #0,2,3: 91:[17, 11] Operation: 14-3=11 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 91:[14, 14], Operations: ['78-61=17', '17-3=14'] Exploring Operation: 14*14=196, Resulting Numbers: [196] 196,91 unequal: No Solution Exploring Operation: 14-14=0, Resulting Numbers: [0] 0,91 unequal: No Solution Exploring Operation: 14+14=28, Resulting Numbers: [28] 28,91 unequal: No Solution Exploring Operation: 14/14=1, Resulting Numbers: [1] 1,91 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 #0,2,3 Current State: 91:[17, 11], Operations: ['78-61=17', '14-3=11'] Exploring Operation: 17+11=28, Resulting Numbers: [28] 28,91 unequal: No Solution Exploring Operation: 17-11=6, Resulting Numbers: [6] 6,91 unequal: No Solution Exploring Operation: 17*11=187, Resulting Numbers: [187] 187,91 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:[17, 17], Operations: ['78-61=17', '14+3=17'] Exploring Operation: 17-17=0, Resulting Numbers: [0] 0,91 unequal: No Solution Exploring Operation: 17+17=34, Resulting Numbers: [34] 34,91 unequal: No Solution Exploring Operation: 17/17=1, Resulting Numbers: [1] 1,91 unequal: No Solution Exploring Operation: 17*17=289, Resulting Numbers: [289] 289,91 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 #0,2,2 Current State: 91:[3, 3], Operations: ['78-61=17', '17-14=3'] Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,91 unequal: No Solution Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,91 unequal: No Solution Exploring Operation: 3-3=0, Resulting Numbers: [0] 0,91 unequal: No Solution Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 91:[3, 78, 75], Operations: ['14+61=75'] Exploring Operation: 75/3=25, Resulting Numbers: [78, 25] Generated Node #0,3,0: 91:[78, 25] Operation: 75/3=25 Exploring Operation: 3+75=78, Resulting Numbers: [78, 78] Generated Node #0,3,1: 91:[78, 78] Operation: 3+75=78 Exploring Operation: 3+78=81, Resulting Numbers: [75, 81] Generated Node #0,3,2: 91:[75, 81] Operation: 3+78=81 Exploring Operation: 78-75=3, Resulting Numbers: [3, 3] Generated Node #0,3,3: 91:[3, 3] Operation: 78-75=3 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 91:[3, 3], Operations: ['14+61=75', '78-75=3'] Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,91 unequal: No Solution Exploring Operation: 3-3=0, Resulting Numbers: [0] 0,91 unequal: No Solution Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,91 unequal: No Solution Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,91 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 #0,3,0 Current State: 91:[78, 25], Operations: ['14+61=75', '75/3=25'] Exploring Operation: 78-25=53, Resulting Numbers: [53] 53,91 unequal: No Solution Exploring Operation: 78+25=103, Resulting Numbers: [103] 103,91 unequal: No Solution Exploring Operation: 78*25=1950, Resulting Numbers: [1950] 1950,91 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 #0,3,1 Current State: 91:[78, 78], Operations: ['14+61=75', '3+75=78'] Exploring Operation: 78/78=1, Resulting Numbers: [1] 1,91 unequal: No Solution Exploring Operation: 78-78=0, Resulting Numbers: [0] 0,91 unequal: No Solution Exploring Operation: 78*78=6084, Resulting Numbers: [6084] 6084,91 unequal: No Solution Exploring Operation: 78+78=156, Resulting Numbers: [156] 156,91 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 #0,3,2 Current State: 91:[75, 81], Operations: ['14+61=75', '3+78=81'] Exploring Operation: 75*81=6075, Resulting Numbers: [6075] 6075,91 unequal: No Solution Exploring Operation: 75+81=156, Resulting Numbers: [156] 156,91 unequal: No Solution Exploring Operation: 81-75=6, Resulting Numbers: [6] 6,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 91:[3, 61, 92], Operations: ['14+78=92'] Exploring Operation: 3+61=64, Resulting Numbers: [92, 64] Generated Node #0,1,0: 91:[92, 64] Operation: 3+61=64 Exploring Operation: 61-3=58, Resulting Numbers: [92, 58] Generated Node #0,1,1: 91:[92, 58] Operation: 61-3=58 Exploring Operation: 92-61=31, Resulting Numbers: [3, 31] Generated Node #0,1,2: 91:[3, 31] Operation: 92-61=31 Exploring Operation: 92-3=89, Resulting Numbers: [61, 89] Generated Node #0,1,3: 91:[61, 89] Operation: 92-3=89 Moving to Node #0,1,2 Current State: 91:[3, 31], Operations: ['14+78=92', '92-61=31'] Exploring Operation: 3*31=93, Resulting Numbers: [93] 93,91 unequal: No Solution Exploring Operation: 3+31=34, Resulting Numbers: [34] 34,91 unequal: No Solution Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,91 unequal: No Solution Moving to Node #0,1,0 Current State: 91:[92, 64], Operations: ['14+78=92', '3+61=64'] Exploring Operation: 92-64=28, Resulting Numbers: [28] 28,91 unequal: No Solution Exploring Operation: 92+64=156, Resulting Numbers: [156] 156,91 unequal: No Solution Exploring Operation: 92*64=5888, Resulting Numbers: [5888] 5888,91 unequal: No Solution Moving to Node #0,1,3 Current State: 91:[61, 89], Operations: ['14+78=92', '92-3=89'] Exploring Operation: 61+89=150, Resulting Numbers: [150] 150,91 unequal: No Solution Exploring Operation: 89-61=28, Resulting Numbers: [28] 28,91 unequal: No Solution Exploring Operation: 61*89=5429, Resulting Numbers: [5429] 5429,91 unequal: No Solution Moving to Node #0,1,1 Current State: 91:[92, 58], Operations: ['14+78=92', '61-3=58'] Exploring Operation: 92-58=34, Resulting Numbers: [34] 34,91 unequal: No Solution Exploring Operation: 92+58=150, Resulting Numbers: [150] 150,91 unequal: No Solution Exploring Operation: 92*58=5336, Resulting Numbers: [5336] 5336,91 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 Current State: 91:[14, 61, 81], Operations: ['3+78=81'] Exploring Operation: 81-61=20, Resulting Numbers: [14, 20] Generated Node #0,0,0: 91:[14, 20] Operation: 81-61=20 Exploring Operation: 14+81=95, Resulting Numbers: [61, 95] Generated Node #0,0,1: 91:[61, 95] Operation: 14+81=95 Exploring Operation: 61-14=47, Resulting Numbers: [81, 47] Generated Node #0,0,2: 91:[81, 47] Operation: 61-14=47 Exploring Operation: 14+61=75, Resulting Numbers: [81, 75] Generated Node #0,0,3: 91:[81, 75] Operation: 14+61=75 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 91:[14, 20], Operations: ['3+78=81', '81-61=20'] Exploring Operation: 14*20=280, Resulting Numbers: [280] 280,91 unequal: No Solution Exploring Operation: 20-14=6, Resulting Numbers: [6] 6,91 unequal: No Solution Exploring Operation: 14+20=34, Resulting Numbers: [34] 34,91 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 #0,0,3 Current State: 91:[81, 75], Operations: ['3+78=81', '14+61=75'] Exploring Operation: 81-75=6, Resulting Numbers: [6] 6,91 unequal: No Solution Exploring Operation: 81+75=156, Resulting Numbers: [156] 156,91 unequal: No Solution Exploring Operation: 81*75=6075, Resulting Numbers: [6075] 6075,91 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 #0,0,1 Current State: 91:[61, 95], Operations: ['3+78=81', '14+81=95'] Exploring Operation: 61*95=5795, Resulting Numbers: [5795] 5795,91 unequal: No Solution Exploring Operation: 61+95=156, Resulting Numbers: [156] 156,91 unequal: No Solution Exploring Operation: 95-61=34, Resulting Numbers: [34] 34,91 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 #0,0,2 Current State: 91:[81, 47], Operations: ['3+78=81', '61-14=47'] Exploring Operation: 81+47=128, Resulting Numbers: [128] 128,91 unequal: No Solution Exploring Operation: 81-47=34, Resulting Numbers: [34] 34,91 unequal: No Solution Exploring Operation: 81*47=3807, Resulting Numbers: [3807] 3807,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 95, 38, 48, 30 ]
90
[ "95*48=4560", "4560/38=120", "120-30=90" ]
Current State: 90:[95, 38, 48, 30], Operations: [] Exploring Operation: 95*48=4560, Resulting Numbers: [38, 30, 4560] Generated Node #2: [38, 30, 4560] from Operation: 95*48=4560 Current State: 90:[38, 30, 4560], Operations: ['95*48=4560'] Exploring Operation: 4560/38=120, Resulting Numbers: [30, 120] Generated Node #3: [30, 120] from Operation: 4560/38=120 Current State: 90:[30, 120], Operations: ['95*48=4560', '4560/38=120'] Exploring Operation: 120-30=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[95, 38, 48, 30], Operations: [] Exploring Operation: 38+48=86, Resulting Numbers: [95, 30, 86] Generated Node #0,0: 90:[95, 30, 86] Operation: 38+48=86 Exploring Operation: 38-30=8, Resulting Numbers: [95, 48, 8] Generated Node #0,1: 90:[95, 48, 8] Operation: 38-30=8 Exploring Operation: 95-48=47, Resulting Numbers: [38, 30, 47] Generated Node #0,2: 90:[38, 30, 47] Operation: 95-48=47 Exploring Operation: 48-38=10, Resulting Numbers: [95, 30, 10] Generated Node #0,3: 90:[95, 30, 10] Operation: 48-38=10 Start Sub Search at level 1: Moving to Node #0,3 Current State: 90:[95, 30, 10], Operations: ['48-38=10'] Exploring Operation: 30-10=20, Resulting Numbers: [95, 20] Generated Node #0,3,0: 90:[95, 20] Operation: 30-10=20 Exploring Operation: 30/10=3, Resulting Numbers: [95, 3] Generated Node #0,3,1: 90:[95, 3] Operation: 30/10=3 Exploring Operation: 30+10=40, Resulting Numbers: [95, 40] Generated Node #0,3,2: 90:[95, 40] Operation: 30+10=40 Exploring Operation: 95-10=85, Resulting Numbers: [30, 85] Generated Node #0,3,3: 90:[30, 85] Operation: 95-10=85 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 90:[95, 3], Operations: ['48-38=10', '30/10=3'] Exploring Operation: 95+3=98, Resulting Numbers: [98] 98,90 unequal: No Solution Exploring Operation: 95*3=285, Resulting Numbers: [285] 285,90 unequal: No Solution Exploring Operation: 95-3=92, Resulting Numbers: [92] 92,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 90:[30, 85], Operations: ['48-38=10', '95-10=85'] Exploring Operation: 30+85=115, Resulting Numbers: [115] 115,90 unequal: No Solution Exploring Operation: 30*85=2550, Resulting Numbers: [2550] 2550,90 unequal: No Solution Exploring Operation: 85-30=55, Resulting Numbers: [55] 55,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 90:[95, 20], Operations: ['48-38=10', '30-10=20'] Exploring Operation: 95+20=115, Resulting Numbers: [115] 115,90 unequal: No Solution Exploring Operation: 95*20=1900, Resulting Numbers: [1900] 1900,90 unequal: No Solution Exploring Operation: 95-20=75, Resulting Numbers: [75] 75,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 90:[95, 40], Operations: ['48-38=10', '30+10=40'] Exploring Operation: 95-40=55, Resulting Numbers: [55] 55,90 unequal: No Solution Exploring Operation: 95+40=135, Resulting Numbers: [135] 135,90 unequal: No Solution Exploring Operation: 95*40=3800, Resulting Numbers: [3800] 3800,90 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: 90:[95, 30, 86], Operations: ['38+48=86'] Exploring Operation: 86-30=56, Resulting Numbers: [95, 56] Generated Node #0,0,0: 90:[95, 56] Operation: 86-30=56 Exploring Operation: 95-30=65, Resulting Numbers: [86, 65] Generated Node #0,0,1: 90:[86, 65] Operation: 95-30=65 Exploring Operation: 30+86=116, Resulting Numbers: [95, 116] Generated Node #0,0,2: 90:[95, 116] Operation: 30+86=116 Exploring Operation: 95-86=9, Resulting Numbers: [30, 9] Generated Node #0,0,3: 90:[30, 9] Operation: 95-86=9 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 90:[30, 9], Operations: ['38+48=86', '95-86=9'] Exploring Operation: 30+9=39, Resulting Numbers: [39] 39,90 unequal: No Solution Exploring Operation: 30-9=21, Resulting Numbers: [21] 21,90 unequal: No Solution Exploring Operation: 30*9=270, Resulting Numbers: [270] 270,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 90:[95, 56], Operations: ['38+48=86', '86-30=56'] Exploring Operation: 95+56=151, Resulting Numbers: [151] 151,90 unequal: No Solution Exploring Operation: 95*56=5320, Resulting Numbers: [5320] 5320,90 unequal: No Solution Exploring Operation: 95-56=39, Resulting Numbers: [39] 39,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 90:[86, 65], Operations: ['38+48=86', '95-30=65'] Exploring Operation: 86*65=5590, Resulting Numbers: [5590] 5590,90 unequal: No Solution Exploring Operation: 86-65=21, Resulting Numbers: [21] 21,90 unequal: No Solution Exploring Operation: 86+65=151, Resulting Numbers: [151] 151,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 90:[95, 116], Operations: ['38+48=86', '30+86=116'] Exploring Operation: 116-95=21, Resulting Numbers: [21] 21,90 unequal: No Solution Exploring Operation: 95+116=211, Resulting Numbers: [211] 211,90 unequal: No Solution Exploring Operation: 95*116=11020, Resulting Numbers: [11020] 11020,90 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: 90:[95, 48, 8], Operations: ['38-30=8'] Exploring Operation: 48-8=40, Resulting Numbers: [95, 40] Generated Node #0,1,0: 90:[95, 40] Operation: 48-8=40 Exploring Operation: 95-48=47, Resulting Numbers: [8, 47] Generated Node #0,1,1: 90:[8, 47] Operation: 95-48=47 Exploring Operation: 48/8=6, Resulting Numbers: [95, 6] Generated Node #0,1,2: 90:[95, 6] Operation: 48/8=6 Exploring Operation: 95-8=87, Resulting Numbers: [48, 87] Generated Node #0,1,3: 90:[48, 87] Operation: 95-8=87 Moving to Node #0,1,1 Current State: 90:[8, 47], Operations: ['38-30=8', '95-48=47'] Exploring Operation: 47-8=39, Resulting Numbers: [39] 39,90 unequal: No Solution Exploring Operation: 8*47=376, Resulting Numbers: [376] 376,90 unequal: No Solution Exploring Operation: 8+47=55, Resulting Numbers: [55] 55,90 unequal: No Solution Moving to Node #0,1,2 Current State: 90:[95, 6], Operations: ['38-30=8', '48/8=6'] Exploring Operation: 95*6=570, Resulting Numbers: [570] 570,90 unequal: No Solution Exploring Operation: 95-6=89, Resulting Numbers: [89] 89,90 unequal: No Solution Exploring Operation: 95+6=101, Resulting Numbers: [101] 101,90 unequal: No Solution Moving to Node #0,1,3 Current State: 90:[48, 87], Operations: ['38-30=8', '95-8=87'] Exploring Operation: 48*87=4176, Resulting Numbers: [4176] 4176,90 unequal: No Solution Exploring Operation: 87-48=39, Resulting Numbers: [39] 39,90 unequal: No Solution Exploring Operation: 48+87=135, Resulting Numbers: [135] 135,90 unequal: No Solution Moving to Node #0,1,0 Current State: 90:[95, 40], Operations: ['38-30=8', '48-8=40'] Exploring Operation: 95+40=135, Resulting Numbers: [135] 135,90 unequal: No Solution Exploring Operation: 95-40=55, Resulting Numbers: [55] 55,90 unequal: No Solution Exploring Operation: 95*40=3800, Resulting Numbers: [3800] 3800,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 90:[38, 30, 47], Operations: ['95-48=47'] Exploring Operation: 38-30=8, Resulting Numbers: [47, 8] Generated Node #0,2,0: 90:[47, 8] Operation: 38-30=8 Exploring Operation: 38+47=85, Resulting Numbers: [30, 85] Generated Node #0,2,1: 90:[30, 85] Operation: 38+47=85 Exploring Operation: 47-38=9, Resulting Numbers: [30, 9] Generated Node #0,2,2: 90:[30, 9] Operation: 47-38=9 Exploring Operation: 47-30=17, Resulting Numbers: [38, 17] Generated Node #0,2,3: 90:[38, 17] Operation: 47-30=17 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 90:[30, 9], Operations: ['95-48=47', '47-38=9'] Exploring Operation: 30*9=270, Resulting Numbers: [270] 270,90 unequal: No Solution Exploring Operation: 30+9=39, Resulting Numbers: [39] 39,90 unequal: No Solution Exploring Operation: 30-9=21, Resulting Numbers: [21] 21,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 90:[47, 8], Operations: ['95-48=47', '38-30=8'] Exploring Operation: 47+8=55, Resulting Numbers: [55] 55,90 unequal: No Solution Exploring Operation: 47-8=39, Resulting Numbers: [39] 39,90 unequal: No Solution Exploring Operation: 47*8=376, Resulting Numbers: [376] 376,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 90:[30, 85], Operations: ['95-48=47', '38+47=85'] Exploring Operation: 85-30=55, Resulting Numbers: [55] 55,90 unequal: No Solution Exploring Operation: 30*85=2550, Resulting Numbers: [2550] 2550,90 unequal: No Solution Exploring Operation: 30+85=115, Resulting Numbers: [115] 115,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 90:[38, 17], Operations: ['95-48=47', '47-30=17'] Exploring Operation: 38+17=55, Resulting Numbers: [55] 55,90 unequal: No Solution Exploring Operation: 38-17=21, Resulting Numbers: [21] 21,90 unequal: No Solution Exploring Operation: 38*17=646, Resulting Numbers: [646] 646,90 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
[ 81, 69, 56, 10 ]
64
[ "81-69=12", "10*12=120", "120-56=64" ]
Current State: 64:[81, 69, 56, 10], Operations: [] Exploring Operation: 81-69=12, Resulting Numbers: [56, 10, 12] Generated Node #2: [56, 10, 12] from Operation: 81-69=12 Current State: 64:[56, 10, 12], Operations: ['81-69=12'] Exploring Operation: 10*12=120, Resulting Numbers: [56, 120] Generated Node #3: [56, 120] from Operation: 10*12=120 Current State: 64:[56, 120], Operations: ['81-69=12', '10*12=120'] Exploring Operation: 120-56=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[81, 69, 56, 10], Operations: [] Exploring Operation: 81-69=12, Resulting Numbers: [56, 10, 12] Generated Node #0,0: 64:[56, 10, 12] Operation: 81-69=12 Moving to Node #0,0 Current State: 64:[56, 10, 12], Operations: ['81-69=12'] Exploring Operation: 56+10=66, Resulting Numbers: [12, 66] Generated Node #0,0,0: 64:[12, 66] Operation: 56+10=66 Moving to Node #0,0,0 Current State: 64:[12, 66], Operations: ['81-69=12', '56+10=66'] Exploring Operation: 66-12=54, Resulting Numbers: [54] 54,64 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 26, 46, 36, 63 ]
47
[ "46-26=20", "63-36=27", "20+27=47" ]
Current State: 47:[26, 46, 36, 63], Operations: [] Exploring Operation: 46-26=20, Resulting Numbers: [36, 63, 20] Generated Node #2: [36, 63, 20] from Operation: 46-26=20 Current State: 47:[36, 63, 20], Operations: ['46-26=20'] Exploring Operation: 63-36=27, Resulting Numbers: [20, 27] Generated Node #3: [20, 27] from Operation: 63-36=27 Current State: 47:[20, 27], Operations: ['46-26=20', '63-36=27'] Exploring Operation: 20+27=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[26, 46, 36, 63], Operations: [] Exploring Operation: 63-26=37, Resulting Numbers: [46, 36, 37] Generated Node #0,0: 47:[46, 36, 37] Operation: 63-26=37 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[46, 36, 37], Operations: ['63-26=37'] Exploring Operation: 36+37=73, Resulting Numbers: [46, 73] Generated Node #0,0,0: 47:[46, 73] Operation: 36+37=73 Moving to Node #0,0,0 Current State: 47:[46, 73], Operations: ['63-26=37', '36+37=73'] Exploring Operation: 73-46=27, Resulting Numbers: [27] 27,47 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
[ 32, 66, 89, 33 ]
90
[ "66-32=34", "89-33=56", "34+56=90" ]
Current State: 90:[32, 66, 89, 33], Operations: [] Exploring Operation: 66-32=34, Resulting Numbers: [89, 33, 34] Generated Node #2: [89, 33, 34] from Operation: 66-32=34 Current State: 90:[89, 33, 34], Operations: ['66-32=34'] Exploring Operation: 89-33=56, Resulting Numbers: [34, 56] Generated Node #3: [34, 56] from Operation: 89-33=56 Current State: 90:[34, 56], Operations: ['66-32=34', '89-33=56'] Exploring Operation: 34+56=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[32, 66, 89, 33], Operations: [] Exploring Operation: 66-32=34, Resulting Numbers: [89, 33, 34] Generated Node #0,0: 90:[89, 33, 34] Operation: 66-32=34 Exploring Operation: 89-66=23, Resulting Numbers: [32, 33, 23] Generated Node #0,1: 90:[32, 33, 23] Operation: 89-66=23 Exploring Operation: 66-33=33, Resulting Numbers: [32, 89, 33] Generated Node #0,2: 90:[32, 89, 33] Operation: 66-33=33 Exploring Operation: 66/33=2, Resulting Numbers: [32, 89, 2] Generated Node #0,3: 90:[32, 89, 2] Operation: 66/33=2 Start Sub Search at level 1: Moving to Node #0,3 Current State: 90:[32, 89, 2], Operations: ['66/33=2'] Exploring Operation: 32-2=30, Resulting Numbers: [89, 30] Generated Node #0,3,0: 90:[89, 30] Operation: 32-2=30 Exploring Operation: 32+2=34, Resulting Numbers: [89, 34] Generated Node #0,3,1: 90:[89, 34] Operation: 32+2=34 Exploring Operation: 89+2=91, Resulting Numbers: [32, 91] Generated Node #0,3,2: 90:[32, 91] Operation: 89+2=91 Exploring Operation: 32/2=16, Resulting Numbers: [89, 16] Generated Node #0,3,3: 90:[89, 16] Operation: 32/2=16 Moving to Node #0,3,0 Current State: 90:[89, 30], Operations: ['66/33=2', '32-2=30'] Exploring Operation: 89*30=2670, Resulting Numbers: [2670] 2670,90 unequal: No Solution Exploring Operation: 89-30=59, Resulting Numbers: [59] 59,90 unequal: No Solution Exploring Operation: 89+30=119, Resulting Numbers: [119] 119,90 unequal: No Solution Moving to Node #0,3,3 Current State: 90:[89, 16], Operations: ['66/33=2', '32/2=16'] Exploring Operation: 89*16=1424, Resulting Numbers: [1424] 1424,90 unequal: No Solution Exploring Operation: 89+16=105, Resulting Numbers: [105] 105,90 unequal: No Solution Exploring Operation: 89-16=73, Resulting Numbers: [73] 73,90 unequal: No Solution Moving to Node #0,3,2 Current State: 90:[32, 91], Operations: ['66/33=2', '89+2=91'] Exploring Operation: 32*91=2912, Resulting Numbers: [2912] 2912,90 unequal: No Solution Exploring Operation: 91-32=59, Resulting Numbers: [59] 59,90 unequal: No Solution Exploring Operation: 32+91=123, Resulting Numbers: [123] 123,90 unequal: No Solution Moving to Node #0,3,1 Current State: 90:[89, 34], Operations: ['66/33=2', '32+2=34'] Exploring Operation: 89*34=3026, Resulting Numbers: [3026] 3026,90 unequal: No Solution Exploring Operation: 89+34=123, Resulting Numbers: [123] 123,90 unequal: No Solution Exploring Operation: 89-34=55, Resulting Numbers: [55] 55,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 90:[32, 89, 33], Operations: ['66-33=33'] Exploring Operation: 32+33=65, Resulting Numbers: [89, 65] Generated Node #0,2,0: 90:[89, 65] Operation: 32+33=65 Exploring Operation: 33-32=1, Resulting Numbers: [89, 1] Generated Node #0,2,1: 90:[89, 1] Operation: 33-32=1 Exploring Operation: 89-33=56, Resulting Numbers: [32, 56] Generated Node #0,2,2: 90:[32, 56] Operation: 89-33=56 Exploring Operation: 89-32=57, Resulting Numbers: [33, 57] Generated Node #0,2,3: 90:[33, 57] Operation: 89-32=57 Moving to Node #0,2,1 Current State: 90:[89, 1], Operations: ['66-33=33', '33-32=1'] Exploring Operation: 89+1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[32, 66, 89, 33], Operations: [] Exploring Operation: 66-33=33, Resulting Numbers: [32, 89, 33] Generated Node #0,2: 90:[32, 89, 33] Operation: 66-33=33 Moving to Node #0,2 Current State: 90:[32, 89, 33], Operations: ['66-33=33'] Exploring Operation: 33-32=1, Resulting Numbers: [89, 1] Generated Node #0,2,1: 90:[89, 1] Operation: 33-32=1 Moving to Node #0,2,1 Current State: 90:[89, 1], Operations: ['66-33=33', '33-32=1'] Exploring Operation: 89+1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.974826
hs_4
sum_heuristic
[ 15, 75, 55, 23 ]
34
[ "75/15=5", "55/5=11", "23+11=34" ]
Current State: 34:[15, 75, 55, 23], Operations: [] Exploring Operation: 75/15=5, Resulting Numbers: [55, 23, 5] Generated Node #2: [55, 23, 5] from Operation: 75/15=5 Current State: 34:[55, 23, 5], Operations: ['75/15=5'] Exploring Operation: 55/5=11, Resulting Numbers: [23, 11] Generated Node #3: [23, 11] from Operation: 55/5=11 Current State: 34:[23, 11], Operations: ['75/15=5', '55/5=11'] Exploring Operation: 23+11=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[15, 75, 55, 23], Operations: [] Exploring Operation: 75-55=20, Resulting Numbers: [15, 23, 20] Generated Node #0,0: 34:[15, 23, 20] Operation: 75-55=20 Moving to Node #0,0 Current State: 34:[15, 23, 20], Operations: ['75-55=20'] Exploring Operation: 23-20=3, Resulting Numbers: [15, 3] Generated Node #0,0,0: 34:[15, 3] Operation: 23-20=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 34:[15, 3], Operations: ['75-55=20', '23-20=3'] Exploring Operation: 15+3=18, Resulting Numbers: [18] 18,34 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
[ 15, 16, 43, 5 ]
25
[ "15*16=240", "43*5=215", "240-215=25" ]
Current State: 25:[15, 16, 43, 5], Operations: [] Exploring Operation: 15*16=240, Resulting Numbers: [43, 5, 240] Generated Node #2: [43, 5, 240] from Operation: 15*16=240 Current State: 25:[43, 5, 240], Operations: ['15*16=240'] Exploring Operation: 43*5=215, Resulting Numbers: [240, 215] Generated Node #3: [240, 215] from Operation: 43*5=215 Current State: 25:[240, 215], Operations: ['15*16=240', '43*5=215'] Exploring Operation: 240-215=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[15, 16, 43, 5], Operations: [] Exploring Operation: 43-15=28, Resulting Numbers: [16, 5, 28] Generated Node #0,0: 25:[16, 5, 28] Operation: 43-15=28 Exploring Operation: 43-16=27, Resulting Numbers: [15, 5, 27] Generated Node #0,1: 25:[15, 5, 27] Operation: 43-16=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[16, 5, 28], Operations: ['43-15=28'] Exploring Operation: 16+5=21, Resulting Numbers: [28, 21] Generated Node #0,0,0: 25:[28, 21] Operation: 16+5=21 Exploring Operation: 28-16=12, Resulting Numbers: [5, 12] Generated Node #0,0,1: 25:[5, 12] Operation: 28-16=12 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 25:[28, 21], Operations: ['43-15=28', '16+5=21'] Exploring Operation: 28-21=7, Resulting Numbers: [7] 7,25 unequal: No Solution Exploring Operation: 28+21=49, Resulting Numbers: [49] 49,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 25:[5, 12], Operations: ['43-15=28', '28-16=12'] Exploring Operation: 5+12=17, Resulting Numbers: [17] 17,25 unequal: No Solution Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[15, 5, 27], Operations: ['43-16=27'] Exploring Operation: 15/5=3, Resulting Numbers: [27, 3] Generated Node #0,1,0: 25:[27, 3] Operation: 15/5=3 Exploring Operation: 15+5=20, Resulting Numbers: [27, 20] Generated Node #0,1,1: 25:[27, 20] Operation: 15+5=20 Moving to Node #0,1,0 Current State: 25:[27, 3], Operations: ['43-16=27', '15/5=3'] Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,25 unequal: No Solution Exploring Operation: 27/3=9, Resulting Numbers: [9] 9,25 unequal: No Solution Moving to Node #0,1,1 Current State: 25:[27, 20], Operations: ['43-16=27', '15+5=20'] Exploring Operation: 27-20=7, Resulting Numbers: [7] 7,25 unequal: No Solution Exploring Operation: 27+20=47, Resulting Numbers: [47] 47,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 73, 70, 34, 35 ]
90
[ "70/35=2", "34/2=17", "73+17=90" ]
Current State: 90:[73, 70, 34, 35], Operations: [] Exploring Operation: 70/35=2, Resulting Numbers: [73, 34, 2] Generated Node #2: [73, 34, 2] from Operation: 70/35=2 Current State: 90:[73, 34, 2], Operations: ['70/35=2'] Exploring Operation: 34/2=17, Resulting Numbers: [73, 17] Generated Node #3: [73, 17] from Operation: 34/2=17 Current State: 90:[73, 17], Operations: ['70/35=2', '34/2=17'] Exploring Operation: 73+17=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[73, 70, 34, 35], Operations: [] Exploring Operation: 73-70=3, Resulting Numbers: [34, 35, 3] Generated Node #0,0: 90:[34, 35, 3] Operation: 73-70=3 Exploring Operation: 70-35=35, Resulting Numbers: [73, 34, 35] Generated Node #0,1: 90:[73, 34, 35] Operation: 70-35=35 Exploring Operation: 70/35=2, Resulting Numbers: [73, 34, 2] Generated Node #0,2: 90:[73, 34, 2] Operation: 70/35=2 Moving to Node #0,0 Current State: 90:[34, 35, 3], Operations: ['73-70=3'] Exploring Operation: 35-3=32, Resulting Numbers: [34, 32] Generated Node #0,0,0: 90:[34, 32] Operation: 35-3=32 Exploring Operation: 35-34=1, Resulting Numbers: [3, 1] Generated Node #0,0,1: 90:[3, 1] Operation: 35-34=1 Exploring Operation: 34-3=31, Resulting Numbers: [35, 31] Generated Node #0,0,2: 90:[35, 31] Operation: 34-3=31 Moving to Node #0,2 Current State: 90:[73, 34, 2], Operations: ['70/35=2'] Exploring Operation: 73+34=107, Resulting Numbers: [2, 107] Generated Node #0,2,0: 90:[2, 107] Operation: 73+34=107 Exploring Operation: 34/2=17, Resulting Numbers: [73, 17] Generated Node #0,2,1: 90:[73, 17] Operation: 34/2=17 Exploring Operation: 73-34=39, Resulting Numbers: [2, 39] Generated Node #0,2,2: 90:[2, 39] Operation: 73-34=39 Moving to Node #0,1 Current State: 90:[73, 34, 35], Operations: ['70-35=35'] Exploring Operation: 73-34=39, Resulting Numbers: [35, 39] Generated Node #0,1,0: 90:[35, 39] Operation: 73-34=39 Exploring Operation: 73-35=38, Resulting Numbers: [34, 38] Generated Node #0,1,1: 90:[34, 38] Operation: 73-35=38 Exploring Operation: 35-34=1, Resulting Numbers: [73, 1] Generated Node #0,1,2: 90:[73, 1] Operation: 35-34=1 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 90:[35, 39], Operations: ['70-35=35', '73-34=39'] Exploring Operation: 39-35=4, Resulting Numbers: [4] 4,90 unequal: No Solution Exploring Operation: 35*39=1365, Resulting Numbers: [1365] 1365,90 unequal: No Solution Exploring Operation: 35+39=74, Resulting Numbers: [74] 74,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 90:[34, 38], Operations: ['70-35=35', '73-35=38'] Exploring Operation: 34*38=1292, Resulting Numbers: [1292] 1292,90 unequal: No Solution Exploring Operation: 38-34=4, Resulting Numbers: [4] 4,90 unequal: No Solution Exploring Operation: 34+38=72, Resulting Numbers: [72] 72,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 90:[73, 1], Operations: ['70-35=35', '35-34=1'] Exploring Operation: 73+1=74, Resulting Numbers: [74] 74,90 unequal: No Solution Exploring Operation: 73*1=73, Resulting Numbers: [73] 73,90 unequal: No Solution Exploring Operation: 73/1=73, Resulting Numbers: [73] 73,90 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: 90:[3, 1], Operations: ['73-70=3', '35-34=1'] Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,90 unequal: No Solution Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,90 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,90 unequal: No Solution Moving to Node #0,0,2 Current State: 90:[35, 31], Operations: ['73-70=3', '34-3=31'] Exploring Operation: 35+31=66, Resulting Numbers: [66] 66,90 unequal: No Solution Exploring Operation: 35*31=1085, Resulting Numbers: [1085] 1085,90 unequal: No Solution Exploring Operation: 35-31=4, Resulting Numbers: [4] 4,90 unequal: No Solution Moving to Node #0,0,0 Current State: 90:[34, 32], Operations: ['73-70=3', '35-3=32'] Exploring Operation: 34*32=1088, Resulting Numbers: [1088] 1088,90 unequal: No Solution Exploring Operation: 34-32=2, Resulting Numbers: [2] 2,90 unequal: No Solution Exploring Operation: 34+32=66, Resulting Numbers: [66] 66,90 unequal: No Solution Moving to Node #0,2,2 Current State: 90:[2, 39], Operations: ['70/35=2', '73-34=39'] Exploring Operation: 2+39=41, Resulting Numbers: [41] 41,90 unequal: No Solution Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,90 unequal: No Solution Exploring Operation: 2*39=78, Resulting Numbers: [78] 78,90 unequal: No Solution Moving to Node #0,2,0 Current State: 90:[2, 107], Operations: ['70/35=2', '73+34=107'] Exploring Operation: 107-2=105, Resulting Numbers: [105] 105,90 unequal: No Solution Exploring Operation: 2*107=214, Resulting Numbers: [214] 214,90 unequal: No Solution Exploring Operation: 2+107=109, Resulting Numbers: [109] 109,90 unequal: No Solution Moving to Node #0,2,1 Current State: 90:[73, 17], Operations: ['70/35=2', '34/2=17'] Exploring Operation: 73*17=1241, Resulting Numbers: [1241] 1241,90 unequal: No Solution Exploring Operation: 73-17=56, Resulting Numbers: [56] 56,90 unequal: No Solution Exploring Operation: 73+17=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[73, 70, 34, 35], Operations: [] Exploring Operation: 70/35=2, Resulting Numbers: [73, 34, 2] Generated Node #0,2: 90:[73, 34, 2] Operation: 70/35=2 Moving to Node #0,2 Current State: 90:[73, 34, 2], Operations: ['70/35=2'] Exploring Operation: 34/2=17, Resulting Numbers: [73, 17] Generated Node #0,2,1: 90:[73, 17] Operation: 34/2=17 Moving to Node #0,2,1 Current State: 90:[73, 17], Operations: ['70/35=2', '34/2=17'] Exploring Operation: 73+17=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
0.962674
hs_3
sum_heuristic
[ 69, 2, 45, 74 ]
85
[ "74-69=5", "2*45=90", "90-5=85" ]
Current State: 85:[69, 2, 45, 74], Operations: [] Exploring Operation: 74-69=5, Resulting Numbers: [2, 45, 5] Generated Node #2: [2, 45, 5] from Operation: 74-69=5 Current State: 85:[2, 45, 5], Operations: ['74-69=5'] Exploring Operation: 2*45=90, Resulting Numbers: [5, 90] Generated Node #3: [5, 90] from Operation: 2*45=90 Current State: 85:[5, 90], Operations: ['74-69=5', '2*45=90'] Exploring Operation: 90-5=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[69, 2, 45, 74], Operations: [] Exploring Operation: 69-45=24, Resulting Numbers: [2, 74, 24] Generated Node #0,0: 85:[2, 74, 24] Operation: 69-45=24 Exploring Operation: 74-69=5, Resulting Numbers: [2, 45, 5] Generated Node #0,1: 85:[2, 45, 5] Operation: 74-69=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[2, 74, 24], Operations: ['69-45=24'] Exploring Operation: 2+74=76, Resulting Numbers: [24, 76] Generated Node #0,0,0: 85:[24, 76] Operation: 2+74=76 Exploring Operation: 24-2=22, Resulting Numbers: [74, 22] Generated Node #0,0,1: 85:[74, 22] Operation: 24-2=22 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 85:[24, 76], Operations: ['69-45=24', '2+74=76'] Exploring Operation: 24+76=100, Resulting Numbers: [100] 100,85 unequal: No Solution Exploring Operation: 76-24=52, Resulting Numbers: [52] 52,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 85:[74, 22], Operations: ['69-45=24', '24-2=22'] Exploring Operation: 74+22=96, Resulting Numbers: [96] 96,85 unequal: No Solution Exploring Operation: 74-22=52, Resulting Numbers: [52] 52,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 85:[2, 45, 5], Operations: ['74-69=5'] Exploring Operation: 45/5=9, Resulting Numbers: [2, 9] Generated Node #0,1,0: 85:[2, 9] Operation: 45/5=9 Exploring Operation: 2*45=90, Resulting Numbers: [5, 90] Generated Node #0,1,1: 85:[5, 90] Operation: 2*45=90 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 85:[5, 90], Operations: ['74-69=5', '2*45=90'] Exploring Operation: 90/5=18, Resulting Numbers: [18] 18,85 unequal: No Solution Exploring Operation: 90-5=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[69, 2, 45, 74], Operations: [] Exploring Operation: 74-69=5, Resulting Numbers: [2, 45, 5] Generated Node #0,1: 85:[2, 45, 5] Operation: 74-69=5 Moving to Node #0,1 Current State: 85:[2, 45, 5], Operations: ['74-69=5'] Exploring Operation: 2*45=90, Resulting Numbers: [5, 90] Generated Node #0,1,1: 85:[5, 90] Operation: 2*45=90 Moving to Node #0,1,1 Current State: 85:[5, 90], Operations: ['74-69=5', '2*45=90'] Exploring Operation: 90-5=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_2
mult_heuristic
[ 32, 6, 50, 64 ]
24
[ "32+6=38", "64-50=14", "38-14=24" ]
Current State: 24:[32, 6, 50, 64], Operations: [] Exploring Operation: 32+6=38, Resulting Numbers: [50, 64, 38] Generated Node #2: [50, 64, 38] from Operation: 32+6=38 Current State: 24:[50, 64, 38], Operations: ['32+6=38'] Exploring Operation: 64-50=14, Resulting Numbers: [38, 14] Generated Node #3: [38, 14] from Operation: 64-50=14 Current State: 24:[38, 14], Operations: ['32+6=38', '64-50=14'] Exploring Operation: 38-14=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[32, 6, 50, 64], Operations: [] Exploring Operation: 64-50=14, Resulting Numbers: [32, 6, 14] Generated Node #0,0: 24:[32, 6, 14] Operation: 64-50=14 Exploring Operation: 64/32=2, Resulting Numbers: [6, 50, 2] Generated Node #0,1: 24:[6, 50, 2] Operation: 64/32=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[32, 6, 14], Operations: ['64-50=14'] Exploring Operation: 32-14=18, Resulting Numbers: [6, 18] Generated Node #0,0,0: 24:[6, 18] Operation: 32-14=18 Exploring Operation: 32-6=26, Resulting Numbers: [14, 26] Generated Node #0,0,1: 24:[14, 26] Operation: 32-6=26 Moving to Node #0,0,1 Current State: 24:[14, 26], Operations: ['64-50=14', '32-6=26'] Exploring Operation: 14+26=40, Resulting Numbers: [40] 40,24 unequal: No Solution Exploring Operation: 26-14=12, Resulting Numbers: [12] 12,24 unequal: No Solution Moving to Node #0,0,0 Current State: 24:[6, 18], Operations: ['64-50=14', '32-14=18'] Exploring Operation: 18-6=12, Resulting Numbers: [12] 12,24 unequal: No Solution Exploring Operation: 6+18=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[32, 6, 50, 64], Operations: [] Exploring Operation: 64-50=14, Resulting Numbers: [32, 6, 14] Generated Node #0,0: 24:[32, 6, 14] Operation: 64-50=14 Moving to Node #0,0 Current State: 24:[32, 6, 14], Operations: ['64-50=14'] Exploring Operation: 32-14=18, Resulting Numbers: [6, 18] Generated Node #0,0,0: 24:[6, 18] Operation: 32-14=18 Moving to Node #0,0,0 Current State: 24:[6, 18], Operations: ['64-50=14', '32-14=18'] Exploring Operation: 6+18=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 58, 42, 9, 20 ]
13
[ "58-42=16", "9+20=29", "29-16=13" ]
Current State: 13:[58, 42, 9, 20], Operations: [] Exploring Operation: 58-42=16, Resulting Numbers: [9, 20, 16] Generated Node #2: [9, 20, 16] from Operation: 58-42=16 Current State: 13:[9, 20, 16], Operations: ['58-42=16'] Exploring Operation: 9+20=29, Resulting Numbers: [16, 29] Generated Node #3: [16, 29] from Operation: 9+20=29 Current State: 13:[16, 29], Operations: ['58-42=16', '9+20=29'] Exploring Operation: 29-16=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[58, 42, 9, 20], Operations: [] Exploring Operation: 58-42=16, Resulting Numbers: [9, 20, 16] Generated Node #0,0: 13:[9, 20, 16] Operation: 58-42=16 Exploring Operation: 58-9=49, Resulting Numbers: [42, 20, 49] Generated Node #0,1: 13:[42, 20, 49] Operation: 58-9=49 Exploring Operation: 42-20=22, Resulting Numbers: [58, 9, 22] Generated Node #0,2: 13:[58, 9, 22] Operation: 42-20=22 Exploring Operation: 58-20=38, Resulting Numbers: [42, 9, 38] Generated Node #0,3: 13:[42, 9, 38] Operation: 58-20=38 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[9, 20, 16], Operations: ['58-42=16'] Exploring Operation: 20-16=4, Resulting Numbers: [9, 4] Generated Node #0,0,0: 13:[9, 4] Operation: 20-16=4 Exploring Operation: 20-9=11, Resulting Numbers: [16, 11] Generated Node #0,0,1: 13:[16, 11] Operation: 20-9=11 Exploring Operation: 9+20=29, Resulting Numbers: [16, 29] Generated Node #0,0,2: 13:[16, 29] Operation: 9+20=29 Exploring Operation: 16-9=7, Resulting Numbers: [20, 7] Generated Node #0,0,3: 13:[20, 7] Operation: 16-9=7 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 13:[16, 11], Operations: ['58-42=16', '20-9=11'] Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,13 unequal: No Solution Exploring Operation: 16+11=27, Resulting Numbers: [27] 27,13 unequal: No Solution Exploring Operation: 16*11=176, Resulting Numbers: [176] 176,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 13:[9, 4], Operations: ['58-42=16', '20-16=4'] Exploring Operation: 9+4=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[58, 42, 9, 20], Operations: [] Exploring Operation: 58-42=16, Resulting Numbers: [9, 20, 16] Generated Node #0,0: 13:[9, 20, 16] Operation: 58-42=16 Moving to Node #0,0 Current State: 13:[9, 20, 16], Operations: ['58-42=16'] Exploring Operation: 20-16=4, Resulting Numbers: [9, 4] Generated Node #0,0,0: 13:[9, 4] Operation: 20-16=4 Moving to Node #0,0,0 Current State: 13:[9, 4], Operations: ['58-42=16', '20-16=4'] Exploring Operation: 9+4=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_4
mult_heuristic
[ 17, 33, 12, 18 ]
22
[ "33-17=16", "18-12=6", "16+6=22" ]
Current State: 22:[17, 33, 12, 18], Operations: [] Exploring Operation: 33-17=16, Resulting Numbers: [12, 18, 16] Generated Node #2: [12, 18, 16] from Operation: 33-17=16 Current State: 22:[12, 18, 16], Operations: ['33-17=16'] Exploring Operation: 18-12=6, Resulting Numbers: [16, 6] Generated Node #3: [16, 6] from Operation: 18-12=6 Current State: 22:[16, 6], Operations: ['33-17=16', '18-12=6'] Exploring Operation: 16+6=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[17, 33, 12, 18], Operations: [] Exploring Operation: 33-18=15, Resulting Numbers: [17, 12, 15] Generated Node #0,0: 22:[17, 12, 15] Operation: 33-18=15 Exploring Operation: 33-17=16, Resulting Numbers: [12, 18, 16] Generated Node #0,1: 22:[12, 18, 16] Operation: 33-17=16 Exploring Operation: 18-17=1, Resulting Numbers: [33, 12, 1] Generated Node #0,2: 22:[33, 12, 1] Operation: 18-17=1 Exploring Operation: 33-12=21, Resulting Numbers: [17, 18, 21] Generated Node #0,3: 22:[17, 18, 21] Operation: 33-12=21 Moving to Node #0,0 Current State: 22:[17, 12, 15], Operations: ['33-18=15'] Exploring Operation: 17-12=5, Resulting Numbers: [15, 5] Generated Node #0,0,0: 22:[15, 5] Operation: 17-12=5 Exploring Operation: 12+15=27, Resulting Numbers: [17, 27] Generated Node #0,0,1: 22:[17, 27] Operation: 12+15=27 Exploring Operation: 15-12=3, Resulting Numbers: [17, 3] Generated Node #0,0,2: 22:[17, 3] Operation: 15-12=3 Exploring Operation: 17-15=2, Resulting Numbers: [12, 2] Generated Node #0,0,3: 22:[12, 2] Operation: 17-15=2 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 22:[12, 2], Operations: ['33-18=15', '17-15=2'] Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,22 unequal: No Solution Exploring Operation: 12*2=24, Resulting Numbers: [24] 24,22 unequal: No Solution Exploring Operation: 12+2=14, Resulting Numbers: [14] 14,22 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,22 unequal: No Solution No 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: 22:[17, 3], Operations: ['33-18=15', '15-12=3'] Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,22 unequal: No Solution Exploring Operation: 17*3=51, Resulting Numbers: [51] 51,22 unequal: No Solution Exploring Operation: 17+3=20, Resulting Numbers: [20] 20,22 unequal: No Solution No 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: 22:[15, 5], Operations: ['33-18=15', '17-12=5'] Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,22 unequal: No Solution Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,22 unequal: No Solution Exploring Operation: 15+5=20, Resulting Numbers: [20] 20,22 unequal: No Solution Exploring Operation: 15*5=75, Resulting Numbers: [75] 75,22 unequal: No Solution No 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: 22:[17, 27], Operations: ['33-18=15', '12+15=27'] Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,22 unequal: No Solution Exploring Operation: 17+27=44, Resulting Numbers: [44] 44,22 unequal: No Solution Exploring Operation: 17*27=459, Resulting Numbers: [459] 459,22 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: 22:[17, 18, 21], Operations: ['33-12=21'] Exploring Operation: 18-17=1, Resulting Numbers: [21, 1] Generated Node #0,3,0: 22:[21, 1] Operation: 18-17=1 Exploring Operation: 21-17=4, Resulting Numbers: [18, 4] Generated Node #0,3,1: 22:[18, 4] Operation: 21-17=4 Exploring Operation: 21-18=3, Resulting Numbers: [17, 3] Generated Node #0,3,2: 22:[17, 3] Operation: 21-18=3 Exploring Operation: 17+18=35, Resulting Numbers: [21, 35] Generated Node #0,3,3: 22:[21, 35] Operation: 17+18=35 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 22:[21, 1], Operations: ['33-12=21', '18-17=1'] Exploring Operation: 21+1=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[17, 33, 12, 18], Operations: [] Exploring Operation: 33-12=21, Resulting Numbers: [17, 18, 21] Generated Node #0,3: 22:[17, 18, 21] Operation: 33-12=21 Moving to Node #0,3 Current State: 22:[17, 18, 21], Operations: ['33-12=21'] Exploring Operation: 18-17=1, Resulting Numbers: [21, 1] Generated Node #0,3,0: 22:[21, 1] Operation: 18-17=1 Moving to Node #0,3,0 Current State: 22:[21, 1], Operations: ['33-12=21', '18-17=1'] Exploring Operation: 21+1=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_4
sum_heuristic
[ 27, 3, 7, 21 ]
56
[ "27*7=189", "189-21=168", "168/3=56" ]
Current State: 56:[27, 3, 7, 21], Operations: [] Exploring Operation: 27*7=189, Resulting Numbers: [3, 21, 189] Generated Node #2: [3, 21, 189] from Operation: 27*7=189 Current State: 56:[3, 21, 189], Operations: ['27*7=189'] Exploring Operation: 189-21=168, Resulting Numbers: [3, 168] Generated Node #3: [3, 168] from Operation: 189-21=168 Current State: 56:[3, 168], Operations: ['27*7=189', '189-21=168'] Exploring Operation: 168/3=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[27, 3, 7, 21], Operations: [] Exploring Operation: 21/3=7, Resulting Numbers: [27, 7, 7] Generated Node #0,0: 56:[27, 7, 7] Operation: 21/3=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[27, 7, 7], Operations: ['21/3=7'] Exploring Operation: 7+7=14, Resulting Numbers: [27, 14] Generated Node #0,0,0: 56:[27, 14] Operation: 7+7=14 Moving to Node #0,0,0 Current State: 56:[27, 14], Operations: ['21/3=7', '7+7=14'] Exploring Operation: 27-14=13, Resulting Numbers: [13] 13,56 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
[ 88, 16, 23, 18 ]
19
[ "88-16=72", "72/18=4", "23-4=19" ]
Current State: 19:[88, 16, 23, 18], Operations: [] Exploring Operation: 88-16=72, Resulting Numbers: [23, 18, 72] Generated Node #2: [23, 18, 72] from Operation: 88-16=72 Current State: 19:[23, 18, 72], Operations: ['88-16=72'] Exploring Operation: 72/18=4, Resulting Numbers: [23, 4] Generated Node #3: [23, 4] from Operation: 72/18=4 Current State: 19:[23, 4], Operations: ['88-16=72', '72/18=4'] Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[88, 16, 23, 18], Operations: [] Exploring Operation: 88-23=65, Resulting Numbers: [16, 18, 65] Generated Node #0,0: 19:[16, 18, 65] Operation: 88-23=65 Exploring Operation: 88-16=72, Resulting Numbers: [23, 18, 72] Generated Node #0,1: 19:[23, 18, 72] Operation: 88-16=72 Moving to Node #0,0 Current State: 19:[16, 18, 65], Operations: ['88-23=65'] Exploring Operation: 65-18=47, Resulting Numbers: [16, 47] Generated Node #0,0,0: 19:[16, 47] Operation: 65-18=47 Exploring Operation: 65-16=49, Resulting Numbers: [18, 49] Generated Node #0,0,1: 19:[18, 49] Operation: 65-16=49 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 19:[16, 47], Operations: ['88-23=65', '65-18=47'] Exploring Operation: 16+47=63, Resulting Numbers: [63] 63,19 unequal: No Solution Exploring Operation: 47-16=31, Resulting Numbers: [31] 31,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 19:[18, 49], Operations: ['88-23=65', '65-16=49'] Exploring Operation: 49-18=31, Resulting Numbers: [31] 31,19 unequal: No Solution Exploring Operation: 18+49=67, Resulting Numbers: [67] 67,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 19:[23, 18, 72], Operations: ['88-16=72'] Exploring Operation: 72-23=49, Resulting Numbers: [18, 49] Generated Node #0,1,0: 19:[18, 49] Operation: 72-23=49 Exploring Operation: 72/18=4, Resulting Numbers: [23, 4] Generated Node #0,1,1: 19:[23, 4] Operation: 72/18=4 Moving to Node #0,1,1 Current State: 19:[23, 4], Operations: ['88-16=72', '72/18=4'] Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[88, 16, 23, 18], Operations: [] Exploring Operation: 88-16=72, Resulting Numbers: [23, 18, 72] Generated Node #0,1: 19:[23, 18, 72] Operation: 88-16=72 Moving to Node #0,1 Current State: 19:[23, 18, 72], Operations: ['88-16=72'] Exploring Operation: 72/18=4, Resulting Numbers: [23, 4] Generated Node #0,1,1: 19:[23, 4] Operation: 72/18=4 Moving to Node #0,1,1 Current State: 19:[23, 4], Operations: ['88-16=72', '72/18=4'] Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
0.986979
hs_2
mult_heuristic
[ 51, 24, 30, 35 ]
32
[ "51-24=27", "35-30=5", "27+5=32" ]
Current State: 32:[51, 24, 30, 35], Operations: [] Exploring Operation: 51-24=27, Resulting Numbers: [30, 35, 27] Generated Node #2: [30, 35, 27] from Operation: 51-24=27 Current State: 32:[30, 35, 27], Operations: ['51-24=27'] Exploring Operation: 35-30=5, Resulting Numbers: [27, 5] Generated Node #3: [27, 5] from Operation: 35-30=5 Current State: 32:[27, 5], Operations: ['51-24=27', '35-30=5'] Exploring Operation: 27+5=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[51, 24, 30, 35], Operations: [] Exploring Operation: 51-24=27, Resulting Numbers: [30, 35, 27] Generated Node #0,0: 32:[30, 35, 27] Operation: 51-24=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[30, 35, 27], Operations: ['51-24=27'] Exploring Operation: 35-27=8, Resulting Numbers: [30, 8] Generated Node #0,0,0: 32:[30, 8] Operation: 35-27=8 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 32:[30, 8], Operations: ['51-24=27', '35-27=8'] Exploring Operation: 30+8=38, Resulting Numbers: [38] 38,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 24, 25, 46, 71 ]
68
[ "24+25=49", "46+71=117", "117-49=68" ]
Current State: 68:[24, 25, 46, 71], Operations: [] Exploring Operation: 24+25=49, Resulting Numbers: [46, 71, 49] Generated Node #2: [46, 71, 49] from Operation: 24+25=49 Current State: 68:[46, 71, 49], Operations: ['24+25=49'] Exploring Operation: 46+71=117, Resulting Numbers: [49, 117] Generated Node #3: [49, 117] from Operation: 46+71=117 Current State: 68:[49, 117], Operations: ['24+25=49', '46+71=117'] Exploring Operation: 117-49=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[24, 25, 46, 71], Operations: [] Exploring Operation: 25-24=1, Resulting Numbers: [46, 71, 1] Generated Node #0,0: 68:[46, 71, 1] Operation: 25-24=1 Exploring Operation: 46-25=21, Resulting Numbers: [24, 71, 21] Generated Node #0,1: 68:[24, 71, 21] Operation: 46-25=21 Exploring Operation: 46-24=22, Resulting Numbers: [25, 71, 22] Generated Node #0,2: 68:[25, 71, 22] Operation: 46-24=22 Exploring Operation: 24+46=70, Resulting Numbers: [25, 71, 70] Generated Node #0,3: 68:[25, 71, 70] Operation: 24+46=70 Exploring Operation: 25+46=71, Resulting Numbers: [24, 71, 71] Generated Node #0,4: 68:[24, 71, 71] Operation: 25+46=71 Moving to Node #0,3 Current State: 68:[25, 71, 70], Operations: ['24+46=70'] Exploring Operation: 71-25=46, Resulting Numbers: [70, 46] Generated Node #0,3,0: 68:[70, 46] Operation: 71-25=46 Exploring Operation: 71-70=1, Resulting Numbers: [25, 1] Generated Node #0,3,1: 68:[25, 1] Operation: 71-70=1 Exploring Operation: 25+70=95, Resulting Numbers: [71, 95] Generated Node #0,3,2: 68:[71, 95] Operation: 25+70=95 Exploring Operation: 70-25=45, Resulting Numbers: [71, 45] Generated Node #0,3,3: 68:[71, 45] Operation: 70-25=45 Exploring Operation: 25+71=96, Resulting Numbers: [70, 96] Generated Node #0,3,4: 68:[70, 96] Operation: 25+71=96 Moving to Node #0,4 Current State: 68:[24, 71, 71], Operations: ['25+46=71'] Exploring Operation: 71-71=0, Resulting Numbers: [24, 0] Generated Node #0,4,0: 68:[24, 0] Operation: 71-71=0 Exploring Operation: 71-24=47, Resulting Numbers: [71, 47] Generated Node #0,4,1: 68:[71, 47] Operation: 71-24=47 Exploring Operation: 24+71=95, Resulting Numbers: [71, 95] Generated Node #0,4,2: 68:[71, 95] Operation: 24+71=95 Exploring Operation: 71/71=1, Resulting Numbers: [24, 1] Generated Node #0,4,3: 68:[24, 1] Operation: 71/71=1 Exploring Operation: 71-24=47, Resulting Numbers: [71, 47] Generated Node #0,4,4: 68:[71, 47] Operation: 71-24=47 Moving to Node #0,1 Current State: 68:[24, 71, 21], Operations: ['46-25=21'] Exploring Operation: 24+71=95, Resulting Numbers: [21, 95] Generated Node #0,1,0: 68:[21, 95] Operation: 24+71=95 Exploring Operation: 24-21=3, Resulting Numbers: [71, 3] Generated Node #0,1,1: 68:[71, 3] Operation: 24-21=3 Exploring Operation: 71-24=47, Resulting Numbers: [21, 47] Generated Node #0,1,2: 68:[21, 47] Operation: 71-24=47 Exploring Operation: 71-21=50, Resulting Numbers: [24, 50] Generated Node #0,1,3: 68:[24, 50] Operation: 71-21=50 Exploring Operation: 24+21=45, Resulting Numbers: [71, 45] Generated Node #0,1,4: 68:[71, 45] Operation: 24+21=45 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 68:[71, 3], Operations: ['46-25=21', '24-21=3'] Exploring Operation: 71+3=74, Resulting Numbers: [74] 74,68 unequal: No Solution Exploring Operation: 71*3=213, Resulting Numbers: [213] 213,68 unequal: No Solution Exploring Operation: 71-3=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[24, 25, 46, 71], Operations: [] Exploring Operation: 46-25=21, Resulting Numbers: [24, 71, 21] Generated Node #0,1: 68:[24, 71, 21] Operation: 46-25=21 Moving to Node #0,1 Current State: 68:[24, 71, 21], Operations: ['46-25=21'] Exploring Operation: 24-21=3, Resulting Numbers: [71, 3] Generated Node #0,1,1: 68:[71, 3] Operation: 24-21=3 Moving to Node #0,1,1 Current State: 68:[71, 3], Operations: ['46-25=21', '24-21=3'] Exploring Operation: 71-3=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_5
sum_heuristic
[ 27, 1, 68, 34 ]
74
[ "27+1=28", "68+34=102", "102-28=74" ]
Current State: 74:[27, 1, 68, 34], Operations: [] Exploring Operation: 27+1=28, Resulting Numbers: [68, 34, 28] Generated Node #2: [68, 34, 28] from Operation: 27+1=28 Current State: 74:[68, 34, 28], Operations: ['27+1=28'] Exploring Operation: 68+34=102, Resulting Numbers: [28, 102] Generated Node #3: [28, 102] from Operation: 68+34=102 Current State: 74:[28, 102], Operations: ['27+1=28', '68+34=102'] Exploring Operation: 102-28=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[27, 1, 68, 34], Operations: [] Exploring Operation: 68-27=41, Resulting Numbers: [1, 34, 41] Generated Node #0,0: 74:[1, 34, 41] Operation: 68-27=41 Moving to Node #0,0 Current State: 74:[1, 34, 41], Operations: ['68-27=41'] Exploring Operation: 34+41=75, Resulting Numbers: [1, 75] Generated Node #0,0,0: 74:[1, 75] Operation: 34+41=75 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 74:[1, 75], Operations: ['68-27=41', '34+41=75'] Exploring Operation: 75-1=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[27, 1, 68, 34], Operations: [] Exploring Operation: 68-27=41, Resulting Numbers: [1, 34, 41] Generated Node #0,0: 74:[1, 34, 41] Operation: 68-27=41 Moving to Node #0,0 Current State: 74:[1, 34, 41], Operations: ['68-27=41'] Exploring Operation: 34+41=75, Resulting Numbers: [1, 75] Generated Node #0,0,0: 74:[1, 75] Operation: 34+41=75 Moving to Node #0,0,0 Current State: 74:[1, 75], Operations: ['68-27=41', '34+41=75'] Exploring Operation: 75-1=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 59, 5, 64, 58 ]
63
[ "64*58=3712", "5+3712=3717", "3717/59=63" ]
Current State: 63:[59, 5, 64, 58], Operations: [] Exploring Operation: 64*58=3712, Resulting Numbers: [59, 5, 3712] Generated Node #2: [59, 5, 3712] from Operation: 64*58=3712 Current State: 63:[59, 5, 3712], Operations: ['64*58=3712'] Exploring Operation: 5+3712=3717, Resulting Numbers: [59, 3717] Generated Node #3: [59, 3717] from Operation: 5+3712=3717 Current State: 63:[59, 3717], Operations: ['64*58=3712', '5+3712=3717'] Exploring Operation: 3717/59=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[59, 5, 64, 58], Operations: [] Exploring Operation: 59-58=1, Resulting Numbers: [5, 64, 1] Generated Node #0,0: 63:[5, 64, 1] Operation: 59-58=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[5, 64, 1], Operations: ['59-58=1'] Exploring Operation: 5+1=6, Resulting Numbers: [64, 6] Generated Node #0,0,0: 63:[64, 6] Operation: 5+1=6 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 63:[64, 6], Operations: ['59-58=1', '5+1=6'] Exploring Operation: 64-6=58, Resulting Numbers: [58] 58,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 42, 39, 59, 13 ]
51
[ "59-42=17", "39/13=3", "17*3=51" ]
Current State: 51:[42, 39, 59, 13], Operations: [] Exploring Operation: 59-42=17, Resulting Numbers: [39, 13, 17] Generated Node #2: [39, 13, 17] from Operation: 59-42=17 Current State: 51:[39, 13, 17], Operations: ['59-42=17'] Exploring Operation: 39/13=3, Resulting Numbers: [17, 3] Generated Node #3: [17, 3] from Operation: 39/13=3 Current State: 51:[17, 3], Operations: ['59-42=17', '39/13=3'] Exploring Operation: 17*3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[42, 39, 59, 13], Operations: [] Exploring Operation: 42-39=3, Resulting Numbers: [59, 13, 3] Generated Node #0,0: 51:[59, 13, 3] Operation: 42-39=3 Moving to Node #0,0 Current State: 51:[59, 13, 3], Operations: ['42-39=3'] Exploring Operation: 59-13=46, Resulting Numbers: [3, 46] Generated Node #0,0,0: 51:[3, 46] Operation: 59-13=46 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 51:[3, 46], Operations: ['42-39=3', '59-13=46'] Exploring Operation: 3+46=49, Resulting Numbers: [49] 49,51 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
[ 45, 47, 40, 62 ]
44
[ "47-45=2", "62-40=22", "2*22=44" ]
Current State: 44:[45, 47, 40, 62], Operations: [] Exploring Operation: 47-45=2, Resulting Numbers: [40, 62, 2] Generated Node #2: [40, 62, 2] from Operation: 47-45=2 Current State: 44:[40, 62, 2], Operations: ['47-45=2'] Exploring Operation: 62-40=22, Resulting Numbers: [2, 22] Generated Node #3: [2, 22] from Operation: 62-40=22 Current State: 44:[2, 22], Operations: ['47-45=2', '62-40=22'] Exploring Operation: 2*22=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[45, 47, 40, 62], Operations: [] Exploring Operation: 62-45=17, Resulting Numbers: [47, 40, 17] Generated Node #0,0: 44:[47, 40, 17] Operation: 62-45=17 Exploring Operation: 47-45=2, Resulting Numbers: [40, 62, 2] Generated Node #0,1: 44:[40, 62, 2] Operation: 47-45=2 Exploring Operation: 45-40=5, Resulting Numbers: [47, 62, 5] Generated Node #0,2: 44:[47, 62, 5] Operation: 45-40=5 Exploring Operation: 62-47=15, Resulting Numbers: [45, 40, 15] Generated Node #0,3: 44:[45, 40, 15] Operation: 62-47=15 Exploring Operation: 62-40=22, Resulting Numbers: [45, 47, 22] Generated Node #0,4: 44:[45, 47, 22] Operation: 62-40=22 Moving to Node #0,4 Current State: 44:[45, 47, 22], Operations: ['62-40=22'] Exploring Operation: 45-22=23, Resulting Numbers: [47, 23] Generated Node #0,4,0: 44:[47, 23] Operation: 45-22=23 Exploring Operation: 45+22=67, Resulting Numbers: [47, 67] Generated Node #0,4,1: 44:[47, 67] Operation: 45+22=67 Exploring Operation: 47-22=25, Resulting Numbers: [45, 25] Generated Node #0,4,2: 44:[45, 25] Operation: 47-22=25 Exploring Operation: 47+22=69, Resulting Numbers: [45, 69] Generated Node #0,4,3: 44:[45, 69] Operation: 47+22=69 Exploring Operation: 47-45=2, Resulting Numbers: [22, 2] Generated Node #0,4,4: 44:[22, 2] Operation: 47-45=2 Moving to Node #0,3 Current State: 44:[45, 40, 15], Operations: ['62-47=15'] Exploring Operation: 45-15=30, Resulting Numbers: [40, 30] Generated Node #0,3,0: 44:[40, 30] Operation: 45-15=30 Exploring Operation: 45/15=3, Resulting Numbers: [40, 3] Generated Node #0,3,1: 44:[40, 3] Operation: 45/15=3 Exploring Operation: 40+15=55, Resulting Numbers: [45, 55] Generated Node #0,3,2: 44:[45, 55] Operation: 40+15=55 Exploring Operation: 45-40=5, Resulting Numbers: [15, 5] Generated Node #0,3,3: 44:[15, 5] Operation: 45-40=5 Exploring Operation: 40-15=25, Resulting Numbers: [45, 25] Generated Node #0,3,4: 44:[45, 25] Operation: 40-15=25 Moving to Node #0,0 Current State: 44:[47, 40, 17], Operations: ['62-45=17'] Exploring Operation: 40+17=57, Resulting Numbers: [47, 57] Generated Node #0,0,0: 44:[47, 57] Operation: 40+17=57 Exploring Operation: 47+17=64, Resulting Numbers: [40, 64] Generated Node #0,0,1: 44:[40, 64] Operation: 47+17=64 Exploring Operation: 47-40=7, Resulting Numbers: [17, 7] Generated Node #0,0,2: 44:[17, 7] Operation: 47-40=7 Exploring Operation: 40-17=23, Resulting Numbers: [47, 23] Generated Node #0,0,3: 44:[47, 23] Operation: 40-17=23 Exploring Operation: 47-17=30, Resulting Numbers: [40, 30] Generated Node #0,0,4: 44:[40, 30] Operation: 47-17=30 Moving to Node #0,1 Current State: 44:[40, 62, 2], Operations: ['47-45=2'] Exploring Operation: 62/2=31, Resulting Numbers: [40, 31] Generated Node #0,1,0: 44:[40, 31] Operation: 62/2=31 Exploring Operation: 62-40=22, Resulting Numbers: [2, 22] Generated Node #0,1,1: 44:[2, 22] Operation: 62-40=22 Exploring Operation: 40/2=20, Resulting Numbers: [62, 20] Generated Node #0,1,2: 44:[62, 20] Operation: 40/2=20 Exploring Operation: 40+2=42, Resulting Numbers: [62, 42] Generated Node #0,1,3: 44:[62, 42] Operation: 40+2=42 Exploring Operation: 62-2=60, Resulting Numbers: [40, 60] Generated Node #0,1,4: 44:[40, 60] Operation: 62-2=60 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 44:[2, 22], Operations: ['47-45=2', '62-40=22'] Exploring Operation: 2+22=24, Resulting Numbers: [24] 24,44 unequal: No Solution Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,44 unequal: No Solution Exploring Operation: 2*22=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[45, 47, 40, 62], Operations: [] Exploring Operation: 47-45=2, Resulting Numbers: [40, 62, 2] Generated Node #0,1: 44:[40, 62, 2] Operation: 47-45=2 Moving to Node #0,1 Current State: 44:[40, 62, 2], Operations: ['47-45=2'] Exploring Operation: 62-40=22, Resulting Numbers: [2, 22] Generated Node #0,1,1: 44:[2, 22] Operation: 62-40=22 Moving to Node #0,1,1 Current State: 44:[2, 22], Operations: ['47-45=2', '62-40=22'] Exploring Operation: 2*22=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 1
0.972222
hs_5
mult_heuristic
[ 6, 62, 85, 39 ]
10
[ "62-6=56", "85-39=46", "56-46=10" ]
Current State: 10:[6, 62, 85, 39], Operations: [] Exploring Operation: 62-6=56, Resulting Numbers: [85, 39, 56] Generated Node #2: [85, 39, 56] from Operation: 62-6=56 Current State: 10:[85, 39, 56], Operations: ['62-6=56'] Exploring Operation: 85-39=46, Resulting Numbers: [56, 46] Generated Node #3: [56, 46] from Operation: 85-39=46 Current State: 10:[56, 46], Operations: ['62-6=56', '85-39=46'] Exploring Operation: 56-46=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[6, 62, 85, 39], Operations: [] Exploring Operation: 85-62=23, Resulting Numbers: [6, 39, 23] Generated Node #0,0: 10:[6, 39, 23] Operation: 85-62=23 Moving to Node #0,0 Current State: 10:[6, 39, 23], Operations: ['85-62=23'] Exploring Operation: 39-23=16, Resulting Numbers: [6, 16] Generated Node #0,0,0: 10:[6, 16] Operation: 39-23=16 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 10:[6, 16], Operations: ['85-62=23', '39-23=16'] Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[6, 62, 85, 39], Operations: [] Exploring Operation: 85-62=23, Resulting Numbers: [6, 39, 23] Generated Node #0,0: 10:[6, 39, 23] Operation: 85-62=23 Moving to Node #0,0 Current State: 10:[6, 39, 23], Operations: ['85-62=23'] Exploring Operation: 39-23=16, Resulting Numbers: [6, 16] Generated Node #0,0,0: 10:[6, 16] Operation: 39-23=16 Moving to Node #0,0,0 Current State: 10:[6, 16], Operations: ['85-62=23', '39-23=16'] Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 25, 61, 10, 5 ]
66
[ "25/5=5", "61+10=71", "71-5=66" ]
Current State: 66:[25, 61, 10, 5], Operations: [] Exploring Operation: 25/5=5, Resulting Numbers: [61, 10, 5] Generated Node #2: [61, 10, 5] from Operation: 25/5=5 Current State: 66:[61, 10, 5], Operations: ['25/5=5'] Exploring Operation: 61+10=71, Resulting Numbers: [5, 71] Generated Node #3: [5, 71] from Operation: 61+10=71 Current State: 66:[5, 71], Operations: ['25/5=5', '61+10=71'] Exploring Operation: 71-5=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[25, 61, 10, 5], Operations: [] Exploring Operation: 61+5=66, Resulting Numbers: [25, 10, 66] Generated Node #0,0: 66:[25, 10, 66] Operation: 61+5=66 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[25, 10, 66], Operations: ['61+5=66'] Exploring Operation: 25+10=35, Resulting Numbers: [66, 35] Generated Node #0,0,0: 66:[66, 35] Operation: 25+10=35 Moving to Node #0,0,0 Current State: 66:[66, 35], Operations: ['61+5=66', '25+10=35'] Exploring Operation: 66-35=31, Resulting Numbers: [31] 31,66 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, 78, 35, 14 ]
69
[ "8*14=112", "78-35=43", "112-43=69" ]
Current State: 69:[8, 78, 35, 14], Operations: [] Exploring Operation: 8*14=112, Resulting Numbers: [78, 35, 112] Generated Node #2: [78, 35, 112] from Operation: 8*14=112 Current State: 69:[78, 35, 112], Operations: ['8*14=112'] Exploring Operation: 78-35=43, Resulting Numbers: [112, 43] Generated Node #3: [112, 43] from Operation: 78-35=43 Current State: 69:[112, 43], Operations: ['8*14=112', '78-35=43'] Exploring Operation: 112-43=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[8, 78, 35, 14], Operations: [] Exploring Operation: 8+14=22, Resulting Numbers: [78, 35, 22] Generated Node #0,0: 69:[78, 35, 22] Operation: 8+14=22 Exploring Operation: 35-14=21, Resulting Numbers: [8, 78, 21] Generated Node #0,1: 69:[8, 78, 21] Operation: 35-14=21 Exploring Operation: 78-8=70, Resulting Numbers: [35, 14, 70] Generated Node #0,2: 69:[35, 14, 70] Operation: 78-8=70 Exploring Operation: 35-8=27, Resulting Numbers: [78, 14, 27] Generated Node #0,3: 69:[78, 14, 27] Operation: 35-8=27 Moving to Node #0,1 Current State: 69:[8, 78, 21], Operations: ['35-14=21'] Exploring Operation: 8+78=86, Resulting Numbers: [21, 86] Generated Node #0,1,0: 69:[21, 86] Operation: 8+78=86 Exploring Operation: 8+21=29, Resulting Numbers: [78, 29] Generated Node #0,1,1: 69:[78, 29] Operation: 8+21=29 Exploring Operation: 78-21=57, Resulting Numbers: [8, 57] Generated Node #0,1,2: 69:[8, 57] Operation: 78-21=57 Exploring Operation: 78-8=70, Resulting Numbers: [21, 70] Generated Node #0,1,3: 69:[21, 70] Operation: 78-8=70 Moving to Node #0,2 Current State: 69:[35, 14, 70], Operations: ['78-8=70'] Exploring Operation: 35-14=21, Resulting Numbers: [70, 21] Generated Node #0,2,0: 69:[70, 21] Operation: 35-14=21 Exploring Operation: 70/35=2, Resulting Numbers: [14, 2] Generated Node #0,2,1: 69:[14, 2] Operation: 70/35=2 Exploring Operation: 35+14=49, Resulting Numbers: [70, 49] Generated Node #0,2,2: 69:[70, 49] Operation: 35+14=49 Exploring Operation: 70/14=5, Resulting Numbers: [35, 5] Generated Node #0,2,3: 69:[35, 5] Operation: 70/14=5 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 69:[70, 21], Operations: ['78-8=70', '35-14=21'] Exploring Operation: 70*21=1470, Resulting Numbers: [1470] 1470,69 unequal: No Solution Exploring Operation: 70+21=91, Resulting Numbers: [91] 91,69 unequal: No Solution Exploring Operation: 70-21=49, Resulting Numbers: [49] 49,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 69:[14, 2], Operations: ['78-8=70', '70/35=2'] Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,69 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,69 unequal: No Solution Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,69 unequal: No Solution Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 69:[35, 5], Operations: ['78-8=70', '70/14=5'] Exploring Operation: 35*5=175, Resulting Numbers: [175] 175,69 unequal: No Solution Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,69 unequal: No Solution Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,69 unequal: No Solution Exploring Operation: 35+5=40, Resulting Numbers: [40] 40,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 69:[70, 49], Operations: ['78-8=70', '35+14=49'] Exploring Operation: 70*49=3430, Resulting Numbers: [3430] 3430,69 unequal: No Solution Exploring Operation: 70+49=119, Resulting Numbers: [119] 119,69 unequal: No Solution Exploring Operation: 70-49=21, Resulting Numbers: [21] 21,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 69:[78, 35, 22], Operations: ['8+14=22'] Exploring Operation: 78-35=43, Resulting Numbers: [22, 43] Generated Node #0,0,0: 69:[22, 43] Operation: 78-35=43 Exploring Operation: 78-22=56, Resulting Numbers: [35, 56] Generated Node #0,0,1: 69:[35, 56] Operation: 78-22=56 Exploring Operation: 35+22=57, Resulting Numbers: [78, 57] Generated Node #0,0,2: 69:[78, 57] Operation: 35+22=57 Exploring Operation: 35-22=13, Resulting Numbers: [78, 13] Generated Node #0,0,3: 69:[78, 13] Operation: 35-22=13 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 69:[78, 13], Operations: ['8+14=22', '35-22=13'] Exploring Operation: 78-13=65, Resulting Numbers: [65] 65,69 unequal: No Solution Exploring Operation: 78/13=6, Resulting Numbers: [6] 6,69 unequal: No Solution Exploring Operation: 78*13=1014, Resulting Numbers: [1014] 1014,69 unequal: No Solution Exploring Operation: 78+13=91, Resulting Numbers: [91] 91,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 69:[22, 43], Operations: ['8+14=22', '78-35=43'] Exploring Operation: 22*43=946, Resulting Numbers: [946] 946,69 unequal: No Solution Exploring Operation: 43-22=21, Resulting Numbers: [21] 21,69 unequal: No Solution Exploring Operation: 22+43=65, Resulting Numbers: [65] 65,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 69:[78, 57], Operations: ['8+14=22', '35+22=57'] Exploring Operation: 78+57=135, Resulting Numbers: [135] 135,69 unequal: No Solution Exploring Operation: 78*57=4446, Resulting Numbers: [4446] 4446,69 unequal: No Solution Exploring Operation: 78-57=21, Resulting Numbers: [21] 21,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 69:[35, 56], Operations: ['8+14=22', '78-22=56'] Exploring Operation: 56-35=21, Resulting Numbers: [21] 21,69 unequal: No Solution Exploring Operation: 35*56=1960, Resulting Numbers: [1960] 1960,69 unequal: No Solution Exploring Operation: 35+56=91, Resulting Numbers: [91] 91,69 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: 69:[78, 14, 27], Operations: ['35-8=27'] Exploring Operation: 27-14=13, Resulting Numbers: [78, 13] Generated Node #0,3,0: 69:[78, 13] Operation: 27-14=13 Exploring Operation: 78-27=51, Resulting Numbers: [14, 51] Generated Node #0,3,1: 69:[14, 51] Operation: 78-27=51 Exploring Operation: 78+14=92, Resulting Numbers: [27, 92] Generated Node #0,3,2: 69:[27, 92] Operation: 78+14=92 Exploring Operation: 78-14=64, Resulting Numbers: [27, 64] Generated Node #0,3,3: 69:[27, 64] Operation: 78-14=64 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 69:[27, 64], Operations: ['35-8=27', '78-14=64'] Exploring Operation: 64-27=37, Resulting Numbers: [37] 37,69 unequal: No Solution Exploring Operation: 27*64=1728, Resulting Numbers: [1728] 1728,69 unequal: No Solution Exploring Operation: 27+64=91, Resulting Numbers: [91] 91,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 69:[78, 13], Operations: ['35-8=27', '27-14=13'] Exploring Operation: 78+13=91, Resulting Numbers: [91] 91,69 unequal: No Solution Exploring Operation: 78-13=65, Resulting Numbers: [65] 65,69 unequal: No Solution Exploring Operation: 78/13=6, Resulting Numbers: [6] 6,69 unequal: No Solution Exploring Operation: 78*13=1014, Resulting Numbers: [1014] 1014,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 69:[14, 51], Operations: ['35-8=27', '78-27=51'] Exploring Operation: 14*51=714, Resulting Numbers: [714] 714,69 unequal: No Solution Exploring Operation: 51-14=37, Resulting Numbers: [37] 37,69 unequal: No Solution Exploring Operation: 14+51=65, Resulting Numbers: [65] 65,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 69:[27, 92], Operations: ['35-8=27', '78+14=92'] Exploring Operation: 92-27=65, Resulting Numbers: [65] 65,69 unequal: No Solution Exploring Operation: 27*92=2484, Resulting Numbers: [2484] 2484,69 unequal: No Solution Exploring Operation: 27+92=119, Resulting Numbers: [119] 119,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,3 Current State: 69:[21, 70], Operations: ['35-14=21', '78-8=70'] Exploring Operation: 21+70=91, Resulting Numbers: [91] 91,69 unequal: No Solution Exploring Operation: 21*70=1470, Resulting Numbers: [1470] 1470,69 unequal: No Solution Exploring Operation: 70-21=49, Resulting Numbers: [49] 49,69 unequal: No Solution Moving to Node #0,1,1 Current State: 69:[78, 29], Operations: ['35-14=21', '8+21=29'] Exploring Operation: 78*29=2262, Resulting Numbers: [2262] 2262,69 unequal: No Solution Exploring Operation: 78+29=107, Resulting Numbers: [107] 107,69 unequal: No Solution Exploring Operation: 78-29=49, Resulting Numbers: [49] 49,69 unequal: No Solution Moving to Node #0,1,2 Current State: 69:[8, 57], Operations: ['35-14=21', '78-21=57'] Exploring Operation: 8*57=456, Resulting Numbers: [456] 456,69 unequal: No Solution Exploring Operation: 8+57=65, Resulting Numbers: [65] 65,69 unequal: No Solution Exploring Operation: 57-8=49, Resulting Numbers: [49] 49,69 unequal: No Solution Moving to Node #0,1,0 Current State: 69:[21, 86], Operations: ['35-14=21', '8+78=86'] Exploring Operation: 21*86=1806, Resulting Numbers: [1806] 1806,69 unequal: No Solution Exploring Operation: 86-21=65, Resulting Numbers: [65] 65,69 unequal: No Solution Exploring Operation: 21+86=107, Resulting Numbers: [107] 107,69 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 22, 39, 96, 10 ]
25
[ "22+39=61", "96-10=86", "86-61=25" ]
Current State: 25:[22, 39, 96, 10], Operations: [] Exploring Operation: 22+39=61, Resulting Numbers: [96, 10, 61] Generated Node #2: [96, 10, 61] from Operation: 22+39=61 Current State: 25:[96, 10, 61], Operations: ['22+39=61'] Exploring Operation: 96-10=86, Resulting Numbers: [61, 86] Generated Node #3: [61, 86] from Operation: 96-10=86 Current State: 25:[61, 86], Operations: ['22+39=61', '96-10=86'] Exploring Operation: 86-61=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[22, 39, 96, 10], Operations: [] Exploring Operation: 96-39=57, Resulting Numbers: [22, 10, 57] Generated Node #0,0: 25:[22, 10, 57] Operation: 96-39=57 Exploring Operation: 96-22=74, Resulting Numbers: [39, 10, 74] Generated Node #0,1: 25:[39, 10, 74] Operation: 96-22=74 Moving to Node #0,0 Current State: 25:[22, 10, 57], Operations: ['96-39=57'] Exploring Operation: 57-22=35, Resulting Numbers: [10, 35] Generated Node #0,0,0: 25:[10, 35] Operation: 57-22=35 Exploring Operation: 57-10=47, Resulting Numbers: [22, 47] Generated Node #0,0,1: 25:[22, 47] Operation: 57-10=47 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 25:[10, 35], Operations: ['96-39=57', '57-22=35'] Exploring Operation: 10+35=45, Resulting Numbers: [45] 45,25 unequal: No Solution Exploring Operation: 35-10=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[22, 39, 96, 10], Operations: [] Exploring Operation: 96-39=57, Resulting Numbers: [22, 10, 57] Generated Node #0,0: 25:[22, 10, 57] Operation: 96-39=57 Moving to Node #0,0 Current State: 25:[22, 10, 57], Operations: ['96-39=57'] Exploring Operation: 57-22=35, Resulting Numbers: [10, 35] Generated Node #0,0,0: 25:[10, 35] Operation: 57-22=35 Moving to Node #0,0,0 Current State: 25:[10, 35], Operations: ['96-39=57', '57-22=35'] Exploring Operation: 35-10=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 38, 3, 16, 46 ]
48
[ "3+16=19", "38/19=2", "46+2=48" ]
Current State: 48:[38, 3, 16, 46], Operations: [] Exploring Operation: 3+16=19, Resulting Numbers: [38, 46, 19] Generated Node #2: [38, 46, 19] from Operation: 3+16=19 Current State: 48:[38, 46, 19], Operations: ['3+16=19'] Exploring Operation: 38/19=2, Resulting Numbers: [46, 2] Generated Node #3: [46, 2] from Operation: 38/19=2 Current State: 48:[46, 2], Operations: ['3+16=19', '38/19=2'] Exploring Operation: 46+2=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[38, 3, 16, 46], Operations: [] Exploring Operation: 38-16=22, Resulting Numbers: [3, 46, 22] Generated Node #0,0: 48:[3, 46, 22] Operation: 38-16=22 Exploring Operation: 46-38=8, Resulting Numbers: [3, 16, 8] Generated Node #0,1: 48:[3, 16, 8] Operation: 46-38=8 Exploring Operation: 38+16=54, Resulting Numbers: [3, 46, 54] Generated Node #0,2: 48:[3, 46, 54] Operation: 38+16=54 Start Sub Search at level 1: Moving to Node #0,1 Current State: 48:[3, 16, 8], Operations: ['46-38=8'] Exploring Operation: 16+8=24, Resulting Numbers: [3, 24] Generated Node #0,1,0: 48:[3, 24] Operation: 16+8=24 Exploring Operation: 3*8=24, Resulting Numbers: [16, 24] Generated Node #0,1,1: 48:[16, 24] Operation: 3*8=24 Exploring Operation: 3*16=48, Resulting Numbers: [8, 48] Generated Node #0,1,2: 48:[8, 48] Operation: 3*16=48 Moving to Node #0,1,0 Current State: 48:[3, 24], Operations: ['46-38=8', '16+8=24'] Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,48 unequal: No Solution Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,48 unequal: No Solution Exploring Operation: 3+24=27, Resulting Numbers: [27] 27,48 unequal: No Solution Moving to Node #0,1,1 Current State: 48:[16, 24], Operations: ['46-38=8', '3*8=24'] Exploring Operation: 24-16=8, Resulting Numbers: [8] 8,48 unequal: No Solution Exploring Operation: 16+24=40, Resulting Numbers: [40] 40,48 unequal: No Solution Exploring Operation: 16*24=384, Resulting Numbers: [384] 384,48 unequal: No Solution Moving to Node #0,1,2 Current State: 48:[8, 48], Operations: ['46-38=8', '3*16=48'] Exploring Operation: 48-8=40, Resulting Numbers: [40] 40,48 unequal: No Solution Exploring Operation: 8+48=56, Resulting Numbers: [56] 56,48 unequal: No Solution Exploring Operation: 48/8=6, Resulting Numbers: [6] 6,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 48:[3, 46, 22], Operations: ['38-16=22'] Exploring Operation: 46-22=24, Resulting Numbers: [3, 24] Generated Node #0,0,0: 48:[3, 24] Operation: 46-22=24 Exploring Operation: 3+22=25, Resulting Numbers: [46, 25] Generated Node #0,0,1: 48:[46, 25] Operation: 3+22=25 Exploring Operation: 3+46=49, Resulting Numbers: [22, 49] Generated Node #0,0,2: 48:[22, 49] Operation: 3+46=49 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 48:[3, 24], Operations: ['38-16=22', '46-22=24'] Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,48 unequal: No Solution Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,48 unequal: No Solution Exploring Operation: 3+24=27, Resulting Numbers: [27] 27,48 unequal: No Solution No 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: 48:[46, 25], Operations: ['38-16=22', '3+22=25'] Exploring Operation: 46-25=21, Resulting Numbers: [21] 21,48 unequal: No Solution Exploring Operation: 46*25=1150, Resulting Numbers: [1150] 1150,48 unequal: No Solution Exploring Operation: 46+25=71, Resulting Numbers: [71] 71,48 unequal: No Solution No 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: 48:[22, 49], Operations: ['38-16=22', '3+46=49'] Exploring Operation: 22+49=71, Resulting Numbers: [71] 71,48 unequal: No Solution Exploring Operation: 49-22=27, Resulting Numbers: [27] 27,48 unequal: No Solution Exploring Operation: 22*49=1078, Resulting Numbers: [1078] 1078,48 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: 48:[3, 46, 54], Operations: ['38+16=54'] Exploring Operation: 54-46=8, Resulting Numbers: [3, 8] Generated Node #0,2,0: 48:[3, 8] Operation: 54-46=8 Exploring Operation: 54-3=51, Resulting Numbers: [46, 51] Generated Node #0,2,1: 48:[46, 51] Operation: 54-3=51 Exploring Operation: 54/3=18, Resulting Numbers: [46, 18] Generated Node #0,2,2: 48:[46, 18] Operation: 54/3=18 Moving to Node #0,2,0 Current State: 48:[3, 8], Operations: ['38+16=54', '54-46=8'] Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,48 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,48 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,48 unequal: No Solution Moving to Node #0,2,2 Current State: 48:[46, 18], Operations: ['38+16=54', '54/3=18'] Exploring Operation: 46*18=828, Resulting Numbers: [828] 828,48 unequal: No Solution Exploring Operation: 46-18=28, Resulting Numbers: [28] 28,48 unequal: No Solution Exploring Operation: 46+18=64, Resulting Numbers: [64] 64,48 unequal: No Solution Moving to Node #0,2,1 Current State: 48:[46, 51], Operations: ['38+16=54', '54-3=51'] Exploring Operation: 46+51=97, Resulting Numbers: [97] 97,48 unequal: No Solution Exploring Operation: 46*51=2346, Resulting Numbers: [2346] 2346,48 unequal: No Solution Exploring Operation: 51-46=5, Resulting Numbers: [5] 5,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 21, 10, 36, 7 ]
40
[ "21-10=11", "36-7=29", "11+29=40" ]
Current State: 40:[21, 10, 36, 7], Operations: [] Exploring Operation: 21-10=11, Resulting Numbers: [36, 7, 11] Generated Node #2: [36, 7, 11] from Operation: 21-10=11 Current State: 40:[36, 7, 11], Operations: ['21-10=11'] Exploring Operation: 36-7=29, Resulting Numbers: [11, 29] Generated Node #3: [11, 29] from Operation: 36-7=29 Current State: 40:[11, 29], Operations: ['21-10=11', '36-7=29'] Exploring Operation: 11+29=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[21, 10, 36, 7], Operations: [] Exploring Operation: 36+7=43, Resulting Numbers: [21, 10, 43] Generated Node #0,0: 40:[21, 10, 43] Operation: 36+7=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[21, 10, 43], Operations: ['36+7=43'] Exploring Operation: 43-21=22, Resulting Numbers: [10, 22] Generated Node #0,0,0: 40:[10, 22] Operation: 43-21=22 Moving to Node #0,0,0 Current State: 40:[10, 22], Operations: ['36+7=43', '43-21=22'] Exploring Operation: 22-10=12, Resulting Numbers: [12] 12,40 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
[ 52, 93, 75, 74 ]
41
[ "93-52=41", "75-74=1", "41*1=41" ]
Current State: 41:[52, 93, 75, 74], Operations: [] Exploring Operation: 93-52=41, Resulting Numbers: [75, 74, 41] Generated Node #2: [75, 74, 41] from Operation: 93-52=41 Current State: 41:[75, 74, 41], Operations: ['93-52=41'] Exploring Operation: 75-74=1, Resulting Numbers: [41, 1] Generated Node #3: [41, 1] from Operation: 75-74=1 Current State: 41:[41, 1], Operations: ['93-52=41', '75-74=1'] Exploring Operation: 41*1=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[52, 93, 75, 74], Operations: [] Exploring Operation: 93-52=41, Resulting Numbers: [75, 74, 41] Generated Node #0,0: 41:[75, 74, 41] Operation: 93-52=41 Exploring Operation: 93-75=18, Resulting Numbers: [52, 74, 18] Generated Node #0,1: 41:[52, 74, 18] Operation: 93-75=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[75, 74, 41], Operations: ['93-52=41'] Exploring Operation: 75-74=1, Resulting Numbers: [41, 1] Generated Node #0,0,0: 41:[41, 1] Operation: 75-74=1 Exploring Operation: 75-41=34, Resulting Numbers: [74, 34] Generated Node #0,0,1: 41:[74, 34] Operation: 75-41=34 Moving to Node #0,0,0 Current State: 41:[41, 1], Operations: ['93-52=41', '75-74=1'] Exploring Operation: 41/1=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[52, 93, 75, 74], Operations: [] Exploring Operation: 93-52=41, Resulting Numbers: [75, 74, 41] Generated Node #0,0: 41:[75, 74, 41] Operation: 93-52=41 Moving to Node #0,0 Current State: 41:[75, 74, 41], Operations: ['93-52=41'] Exploring Operation: 75-74=1, Resulting Numbers: [41, 1] Generated Node #0,0,0: 41:[41, 1] Operation: 75-74=1 Moving to Node #0,0,0 Current State: 41:[41, 1], Operations: ['93-52=41', '75-74=1'] Exploring Operation: 41/1=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 98, 18, 3, 99 ]
54
[ "99-98=1", "18*3=54", "1*54=54" ]
Current State: 54:[98, 18, 3, 99], Operations: [] Exploring Operation: 99-98=1, Resulting Numbers: [18, 3, 1] Generated Node #2: [18, 3, 1] from Operation: 99-98=1 Current State: 54:[18, 3, 1], Operations: ['99-98=1'] Exploring Operation: 18*3=54, Resulting Numbers: [1, 54] Generated Node #3: [1, 54] from Operation: 18*3=54 Current State: 54:[1, 54], Operations: ['99-98=1', '18*3=54'] Exploring Operation: 1*54=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[98, 18, 3, 99], Operations: [] Exploring Operation: 99-98=1, Resulting Numbers: [18, 3, 1] Generated Node #0,0: 54:[18, 3, 1] Operation: 99-98=1 Exploring Operation: 99/3=33, Resulting Numbers: [98, 18, 33] Generated Node #0,1: 54:[98, 18, 33] Operation: 99/3=33 Exploring Operation: 98-18=80, Resulting Numbers: [3, 99, 80] Generated Node #0,2: 54:[3, 99, 80] Operation: 98-18=80 Moving to Node #0,0 Current State: 54:[18, 3, 1], Operations: ['99-98=1'] Exploring Operation: 18/1=18, Resulting Numbers: [3, 18] Generated Node #0,0,0: 54:[3, 18] Operation: 18/1=18 Exploring Operation: 3*1=3, Resulting Numbers: [18, 3] Generated Node #0,0,1: 54:[18, 3] Operation: 3*1=3 Exploring Operation: 18*1=18, Resulting Numbers: [3, 18] Generated Node #0,0,2: 54:[3, 18] Operation: 18*1=18 Moving to Node #0,1 Current State: 54:[98, 18, 33], Operations: ['99/3=33'] Exploring Operation: 98-18=80, Resulting Numbers: [33, 80] Generated Node #0,1,0: 54:[33, 80] Operation: 98-18=80 Exploring Operation: 98-33=65, Resulting Numbers: [18, 65] Generated Node #0,1,1: 54:[18, 65] Operation: 98-33=65 Exploring Operation: 18+33=51, Resulting Numbers: [98, 51] Generated Node #0,1,2: 54:[98, 51] Operation: 18+33=51 Moving to Node #0,2 Current State: 54:[3, 99, 80], Operations: ['98-18=80'] Exploring Operation: 99-3=96, Resulting Numbers: [80, 96] Generated Node #0,2,0: 54:[80, 96] Operation: 99-3=96 Exploring Operation: 99-80=19, Resulting Numbers: [3, 19] Generated Node #0,2,1: 54:[3, 19] Operation: 99-80=19 Exploring Operation: 99/3=33, Resulting Numbers: [80, 33] Generated Node #0,2,2: 54:[80, 33] Operation: 99/3=33 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 54:[3, 19], Operations: ['98-18=80', '99-80=19'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,54 unequal: No Solution Exploring Operation: 3+19=22, Resulting Numbers: [22] 22,54 unequal: No Solution Exploring Operation: 3*19=57, Resulting Numbers: [57] 57,54 unequal: No Solution No 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: 54:[80, 33], Operations: ['98-18=80', '99/3=33'] Exploring Operation: 80-33=47, Resulting Numbers: [47] 47,54 unequal: No Solution Exploring Operation: 80+33=113, Resulting Numbers: [113] 113,54 unequal: No Solution Exploring Operation: 80*33=2640, Resulting Numbers: [2640] 2640,54 unequal: No Solution No 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: 54:[80, 96], Operations: ['98-18=80', '99-3=96'] Exploring Operation: 80+96=176, Resulting Numbers: [176] 176,54 unequal: No Solution Exploring Operation: 80*96=7680, Resulting Numbers: [7680] 7680,54 unequal: No Solution Exploring Operation: 96-80=16, Resulting Numbers: [16] 16,54 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: 54:[3, 18], Operations: ['99-98=1', '18/1=18'] Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,54 unequal: No Solution Exploring Operation: 3*18=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[98, 18, 3, 99], Operations: [] Exploring Operation: 99-98=1, Resulting Numbers: [18, 3, 1] Generated Node #0,0: 54:[18, 3, 1] Operation: 99-98=1 Moving to Node #0,0 Current State: 54:[18, 3, 1], Operations: ['99-98=1'] Exploring Operation: 18/1=18, Resulting Numbers: [3, 18] Generated Node #0,0,0: 54:[3, 18] Operation: 18/1=18 Moving to Node #0,0,0 Current State: 54:[3, 18], Operations: ['99-98=1', '18/1=18'] Exploring Operation: 3*18=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
0.976563
hs_3
mult_heuristic
[ 41, 44, 30, 21 ]
25
[ "41-30=11", "44/11=4", "21+4=25" ]
Current State: 25:[41, 44, 30, 21], Operations: [] Exploring Operation: 41-30=11, Resulting Numbers: [44, 21, 11] Generated Node #2: [44, 21, 11] from Operation: 41-30=11 Current State: 25:[44, 21, 11], Operations: ['41-30=11'] Exploring Operation: 44/11=4, Resulting Numbers: [21, 4] Generated Node #3: [21, 4] from Operation: 44/11=4 Current State: 25:[21, 4], Operations: ['41-30=11', '44/11=4'] Exploring Operation: 21+4=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[41, 44, 30, 21], Operations: [] Exploring Operation: 41-30=11, Resulting Numbers: [44, 21, 11] Generated Node #0,0: 25:[44, 21, 11] Operation: 41-30=11 Exploring Operation: 44-41=3, Resulting Numbers: [30, 21, 3] Generated Node #0,1: 25:[30, 21, 3] Operation: 44-41=3 Exploring Operation: 44-21=23, Resulting Numbers: [41, 30, 23] Generated Node #0,2: 25:[41, 30, 23] Operation: 44-21=23 Exploring Operation: 41-21=20, Resulting Numbers: [44, 30, 20] Generated Node #0,3: 25:[44, 30, 20] Operation: 41-21=20 Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[30, 21, 3], Operations: ['44-41=3'] Exploring Operation: 30-3=27, Resulting Numbers: [21, 27] Generated Node #0,1,0: 25:[21, 27] Operation: 30-3=27 Exploring Operation: 21/3=7, Resulting Numbers: [30, 7] Generated Node #0,1,1: 25:[30, 7] Operation: 21/3=7 Exploring Operation: 30-21=9, Resulting Numbers: [3, 9] Generated Node #0,1,2: 25:[3, 9] Operation: 30-21=9 Exploring Operation: 21+3=24, Resulting Numbers: [30, 24] Generated Node #0,1,3: 25:[30, 24] Operation: 21+3=24 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 25:[21, 27], Operations: ['44-41=3', '30-3=27'] Exploring Operation: 21+27=48, Resulting Numbers: [48] 48,25 unequal: No Solution Exploring Operation: 21*27=567, Resulting Numbers: [567] 567,25 unequal: No Solution Exploring Operation: 27-21=6, Resulting Numbers: [6] 6,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 25:[3, 9], Operations: ['44-41=3', '30-21=9'] Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,25 unequal: No Solution Exploring Operation: 3+9=12, Resulting Numbers: [12] 12,25 unequal: No Solution Exploring Operation: 3*9=27, Resulting Numbers: [27] 27,25 unequal: No Solution Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 25:[30, 24], Operations: ['44-41=3', '21+3=24'] Exploring Operation: 30-24=6, Resulting Numbers: [6] 6,25 unequal: No Solution Exploring Operation: 30+24=54, Resulting Numbers: [54] 54,25 unequal: No Solution Exploring Operation: 30*24=720, Resulting Numbers: [720] 720,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 25:[30, 7], Operations: ['44-41=3', '21/3=7'] Exploring Operation: 30+7=37, Resulting Numbers: [37] 37,25 unequal: No Solution Exploring Operation: 30*7=210, Resulting Numbers: [210] 210,25 unequal: No Solution Exploring Operation: 30-7=23, Resulting Numbers: [23] 23,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 25:[41, 30, 23], Operations: ['44-21=23'] Exploring Operation: 30-23=7, Resulting Numbers: [41, 7] Generated Node #0,2,0: 25:[41, 7] Operation: 30-23=7 Exploring Operation: 41-30=11, Resulting Numbers: [23, 11] Generated Node #0,2,1: 25:[23, 11] Operation: 41-30=11 Exploring Operation: 41-23=18, Resulting Numbers: [30, 18] Generated Node #0,2,2: 25:[30, 18] Operation: 41-23=18 Exploring Operation: 41+23=64, Resulting Numbers: [30, 64] Generated Node #0,2,3: 25:[30, 64] Operation: 41+23=64 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 25:[23, 11], Operations: ['44-21=23', '41-30=11'] Exploring Operation: 23*11=253, Resulting Numbers: [253] 253,25 unequal: No Solution Exploring Operation: 23+11=34, Resulting Numbers: [34] 34,25 unequal: No Solution Exploring Operation: 23-11=12, Resulting Numbers: [12] 12,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 25:[30, 18], Operations: ['44-21=23', '41-23=18'] Exploring Operation: 30-18=12, Resulting Numbers: [12] 12,25 unequal: No Solution Exploring Operation: 30*18=540, Resulting Numbers: [540] 540,25 unequal: No Solution Exploring Operation: 30+18=48, Resulting Numbers: [48] 48,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 25:[41, 7], Operations: ['44-21=23', '30-23=7'] Exploring Operation: 41+7=48, Resulting Numbers: [48] 48,25 unequal: No Solution Exploring Operation: 41*7=287, Resulting Numbers: [287] 287,25 unequal: No Solution Exploring Operation: 41-7=34, Resulting Numbers: [34] 34,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 25:[30, 64], Operations: ['44-21=23', '41+23=64'] Exploring Operation: 64-30=34, Resulting Numbers: [34] 34,25 unequal: No Solution Exploring Operation: 30+64=94, Resulting Numbers: [94] 94,25 unequal: No Solution Exploring Operation: 30*64=1920, Resulting Numbers: [1920] 1920,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[44, 21, 11], Operations: ['41-30=11'] Exploring Operation: 21-11=10, Resulting Numbers: [44, 10] Generated Node #0,0,0: 25:[44, 10] Operation: 21-11=10 Exploring Operation: 44-21=23, Resulting Numbers: [11, 23] Generated Node #0,0,1: 25:[11, 23] Operation: 44-21=23 Exploring Operation: 44/11=4, Resulting Numbers: [21, 4] Generated Node #0,0,2: 25:[21, 4] Operation: 44/11=4 Exploring Operation: 44-11=33, Resulting Numbers: [21, 33] Generated Node #0,0,3: 25:[21, 33] Operation: 44-11=33 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 25:[21, 4], Operations: ['41-30=11', '44/11=4'] Exploring Operation: 21+4=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[41, 44, 30, 21], Operations: [] Exploring Operation: 41-30=11, Resulting Numbers: [44, 21, 11] Generated Node #0,0: 25:[44, 21, 11] Operation: 41-30=11 Moving to Node #0,0 Current State: 25:[44, 21, 11], Operations: ['41-30=11'] Exploring Operation: 44/11=4, Resulting Numbers: [21, 4] Generated Node #0,0,2: 25:[21, 4] Operation: 44/11=4 Moving to Node #0,0,2 Current State: 25:[21, 4], Operations: ['41-30=11', '44/11=4'] Exploring Operation: 21+4=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.960069
hs_4
mult_heuristic
[ 31, 83, 52, 57 ]
26
[ "31+83=114", "52*57=2964", "2964/114=26" ]
Current State: 26:[31, 83, 52, 57], Operations: [] Exploring Operation: 31+83=114, Resulting Numbers: [52, 57, 114] Generated Node #2: [52, 57, 114] from Operation: 31+83=114 Current State: 26:[52, 57, 114], Operations: ['31+83=114'] Exploring Operation: 52*57=2964, Resulting Numbers: [114, 2964] Generated Node #3: [114, 2964] from Operation: 52*57=2964 Current State: 26:[114, 2964], Operations: ['31+83=114', '52*57=2964'] Exploring Operation: 2964/114=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[31, 83, 52, 57], Operations: [] Exploring Operation: 83-57=26, Resulting Numbers: [31, 52, 26] Generated Node #0,0: 26:[31, 52, 26] Operation: 83-57=26 Moving to Node #0,0 Current State: 26:[31, 52, 26], Operations: ['83-57=26'] Exploring Operation: 52-31=21, Resulting Numbers: [26, 21] Generated Node #0,0,0: 26:[26, 21] Operation: 52-31=21 Moving to Node #0,0,0 Current State: 26:[26, 21], Operations: ['83-57=26', '52-31=21'] Exploring Operation: 26-21=5, Resulting Numbers: [5] 5,26 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 95, 47, 98, 96 ]
100
[ "95-47=48", "96/48=2", "98+2=100" ]
Current State: 100:[95, 47, 98, 96], Operations: [] Exploring Operation: 95-47=48, Resulting Numbers: [98, 96, 48] Generated Node #2: [98, 96, 48] from Operation: 95-47=48 Current State: 100:[98, 96, 48], Operations: ['95-47=48'] Exploring Operation: 96/48=2, Resulting Numbers: [98, 2] Generated Node #3: [98, 2] from Operation: 96/48=2 Current State: 100:[98, 2], Operations: ['95-47=48', '96/48=2'] Exploring Operation: 98+2=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[95, 47, 98, 96], Operations: [] Exploring Operation: 98-95=3, Resulting Numbers: [47, 96, 3] Generated Node #0,0: 100:[47, 96, 3] Operation: 98-95=3 Exploring Operation: 95-47=48, Resulting Numbers: [98, 96, 48] Generated Node #0,1: 100:[98, 96, 48] Operation: 95-47=48 Exploring Operation: 96-47=49, Resulting Numbers: [95, 98, 49] Generated Node #0,2: 100:[95, 98, 49] Operation: 96-47=49 Exploring Operation: 96-95=1, Resulting Numbers: [47, 98, 1] Generated Node #0,3: 100:[47, 98, 1] Operation: 96-95=1 Start Sub Search at level 1: Moving to Node #0,3 Current State: 100:[47, 98, 1], Operations: ['96-95=1'] Exploring Operation: 98+1=99, Resulting Numbers: [47, 99] Generated Node #0,3,0: 100:[47, 99] Operation: 98+1=99 Exploring Operation: 47+1=48, Resulting Numbers: [98, 48] Generated Node #0,3,1: 100:[98, 48] Operation: 47+1=48 Exploring Operation: 47*1=47, Resulting Numbers: [98, 47] Generated Node #0,3,2: 100:[98, 47] Operation: 47*1=47 Exploring Operation: 98-47=51, Resulting Numbers: [1, 51] Generated Node #0,3,3: 100:[1, 51] Operation: 98-47=51 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 100:[1, 51], Operations: ['96-95=1', '98-47=51'] Exploring Operation: 51-1=50, Resulting Numbers: [50] 50,100 unequal: No Solution Exploring Operation: 1*51=51, Resulting Numbers: [51] 51,100 unequal: No Solution Exploring Operation: 51/1=51, Resulting Numbers: [51] 51,100 unequal: No Solution Exploring Operation: 1+51=52, Resulting Numbers: [52] 52,100 unequal: No Solution No 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: 100:[47, 99], Operations: ['96-95=1', '98+1=99'] Exploring Operation: 47*99=4653, Resulting Numbers: [4653] 4653,100 unequal: No Solution Exploring Operation: 99-47=52, Resulting Numbers: [52] 52,100 unequal: No Solution Exploring Operation: 47+99=146, Resulting Numbers: [146] 146,100 unequal: No Solution No 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: 100:[98, 48], Operations: ['96-95=1', '47+1=48'] Exploring Operation: 98-48=50, Resulting Numbers: [50] 50,100 unequal: No Solution Exploring Operation: 98*48=4704, Resulting Numbers: [4704] 4704,100 unequal: No Solution Exploring Operation: 98+48=146, Resulting Numbers: [146] 146,100 unequal: No Solution No 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: 100:[98, 47], Operations: ['96-95=1', '47*1=47'] Exploring Operation: 98-47=51, Resulting Numbers: [51] 51,100 unequal: No Solution Exploring Operation: 98+47=145, Resulting Numbers: [145] 145,100 unequal: No Solution Exploring Operation: 98*47=4606, Resulting Numbers: [4606] 4606,100 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: 100:[47, 96, 3], Operations: ['98-95=3'] Exploring Operation: 96-47=49, Resulting Numbers: [3, 49] Generated Node #0,0,0: 100:[3, 49] Operation: 96-47=49 Exploring Operation: 47-3=44, Resulting Numbers: [96, 44] Generated Node #0,0,1: 100:[96, 44] Operation: 47-3=44 Exploring Operation: 47+3=50, Resulting Numbers: [96, 50] Generated Node #0,0,2: 100:[96, 50] Operation: 47+3=50 Exploring Operation: 96+3=99, Resulting Numbers: [47, 99] Generated Node #0,0,3: 100:[47, 99] Operation: 96+3=99 Moving to Node #0,0,0 Current State: 100:[3, 49], Operations: ['98-95=3', '96-47=49'] Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,100 unequal: No Solution Exploring Operation: 3+49=52, Resulting Numbers: [52] 52,100 unequal: No Solution Exploring Operation: 3*49=147, Resulting Numbers: [147] 147,100 unequal: No Solution Moving to Node #0,0,3 Current State: 100:[47, 99], Operations: ['98-95=3', '96+3=99'] Exploring Operation: 47+99=146, Resulting Numbers: [146] 146,100 unequal: No Solution Exploring Operation: 47*99=4653, Resulting Numbers: [4653] 4653,100 unequal: No Solution Exploring Operation: 99-47=52, Resulting Numbers: [52] 52,100 unequal: No Solution Moving to Node #0,0,2 Current State: 100:[96, 50], Operations: ['98-95=3', '47+3=50'] Exploring Operation: 96-50=46, Resulting Numbers: [46] 46,100 unequal: No Solution Exploring Operation: 96+50=146, Resulting Numbers: [146] 146,100 unequal: No Solution Exploring Operation: 96*50=4800, Resulting Numbers: [4800] 4800,100 unequal: No Solution Moving to Node #0,0,1 Current State: 100:[96, 44], Operations: ['98-95=3', '47-3=44'] Exploring Operation: 96+44=140, Resulting Numbers: [140] 140,100 unequal: No Solution Exploring Operation: 96*44=4224, Resulting Numbers: [4224] 4224,100 unequal: No Solution Exploring Operation: 96-44=52, Resulting Numbers: [52] 52,100 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 Current State: 100:[98, 96, 48], Operations: ['95-47=48'] Exploring Operation: 96-48=48, Resulting Numbers: [98, 48] Generated Node #0,1,0: 100:[98, 48] Operation: 96-48=48 Exploring Operation: 96/48=2, Resulting Numbers: [98, 2] Generated Node #0,1,1: 100:[98, 2] Operation: 96/48=2 Exploring Operation: 98-96=2, Resulting Numbers: [48, 2] Generated Node #0,1,2: 100:[48, 2] Operation: 98-96=2 Exploring Operation: 98-48=50, Resulting Numbers: [96, 50] Generated Node #0,1,3: 100:[96, 50] Operation: 98-48=50 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 100:[98, 2], Operations: ['95-47=48', '96/48=2'] Exploring Operation: 98/2=49, Resulting Numbers: [49] 49,100 unequal: No Solution Exploring Operation: 98*2=196, Resulting Numbers: [196] 196,100 unequal: No Solution Exploring Operation: 98+2=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[95, 47, 98, 96], Operations: [] Exploring Operation: 95-47=48, Resulting Numbers: [98, 96, 48] Generated Node #0,1: 100:[98, 96, 48] Operation: 95-47=48 Moving to Node #0,1 Current State: 100:[98, 96, 48], Operations: ['95-47=48'] Exploring Operation: 96/48=2, Resulting Numbers: [98, 2] Generated Node #0,1,1: 100:[98, 2] Operation: 96/48=2 Moving to Node #0,1,1 Current State: 100:[98, 2], Operations: ['95-47=48', '96/48=2'] Exploring Operation: 98+2=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.958333
hs_4
sum_heuristic
[ 80, 30, 77, 22 ]
36
[ "80-77=3", "22*3=66", "66-30=36" ]
Current State: 36:[80, 30, 77, 22], Operations: [] Exploring Operation: 80-77=3, Resulting Numbers: [30, 22, 3] Generated Node #2: [30, 22, 3] from Operation: 80-77=3 Current State: 36:[30, 22, 3], Operations: ['80-77=3'] Exploring Operation: 22*3=66, Resulting Numbers: [30, 66] Generated Node #3: [30, 66] from Operation: 22*3=66 Current State: 36:[30, 66], Operations: ['80-77=3', '22*3=66'] Exploring Operation: 66-30=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[80, 30, 77, 22], Operations: [] Exploring Operation: 80-30=50, Resulting Numbers: [77, 22, 50] Generated Node #0,0: 36:[77, 22, 50] Operation: 80-30=50 Exploring Operation: 77-30=47, Resulting Numbers: [80, 22, 47] Generated Node #0,1: 36:[80, 22, 47] Operation: 77-30=47 Exploring Operation: 77-22=55, Resulting Numbers: [80, 30, 55] Generated Node #0,2: 36:[80, 30, 55] Operation: 77-22=55 Exploring Operation: 80-77=3, Resulting Numbers: [30, 22, 3] Generated Node #0,3: 36:[30, 22, 3] Operation: 80-77=3 Exploring Operation: 80-22=58, Resulting Numbers: [30, 77, 58] Generated Node #0,4: 36:[30, 77, 58] Operation: 80-22=58 Start Sub Search at level 1: Moving to Node #0,3 Current State: 36:[30, 22, 3], Operations: ['80-77=3'] Exploring Operation: 22-3=19, Resulting Numbers: [30, 19] Generated Node #0,3,0: 36:[30, 19] Operation: 22-3=19 Exploring Operation: 30+3=33, Resulting Numbers: [22, 33] Generated Node #0,3,1: 36:[22, 33] Operation: 30+3=33 Exploring Operation: 30/3=10, Resulting Numbers: [22, 10] Generated Node #0,3,2: 36:[22, 10] Operation: 30/3=10 Exploring Operation: 30-3=27, Resulting Numbers: [22, 27] Generated Node #0,3,3: 36:[22, 27] Operation: 30-3=27 Exploring Operation: 30-22=8, Resulting Numbers: [3, 8] Generated Node #0,3,4: 36:[3, 8] Operation: 30-22=8 Moving to Node #0,3,4 Current State: 36:[3, 8], Operations: ['80-77=3', '30-22=8'] Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,36 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,36 unequal: No Solution Moving to Node #0,3,2 Current State: 36:[22, 10], Operations: ['80-77=3', '30/3=10'] Exploring Operation: 22*10=220, Resulting Numbers: [220] 220,36 unequal: No Solution Exploring Operation: 22-10=12, Resulting Numbers: [12] 12,36 unequal: No Solution Exploring Operation: 22+10=32, Resulting Numbers: [32] 32,36 unequal: No Solution Moving to Node #0,3,0 Current State: 36:[30, 19], Operations: ['80-77=3', '22-3=19'] Exploring Operation: 30+19=49, Resulting Numbers: [49] 49,36 unequal: No Solution Exploring Operation: 30-19=11, Resulting Numbers: [11] 11,36 unequal: No Solution Exploring Operation: 30*19=570, Resulting Numbers: [570] 570,36 unequal: No Solution Moving to Node #0,3,1 Current State: 36:[22, 33], Operations: ['80-77=3', '30+3=33'] Exploring Operation: 22*33=726, Resulting Numbers: [726] 726,36 unequal: No Solution Exploring Operation: 22+33=55, Resulting Numbers: [55] 55,36 unequal: No Solution Exploring Operation: 33-22=11, Resulting Numbers: [11] 11,36 unequal: No Solution Moving to Node #0,3,3 Current State: 36:[22, 27], Operations: ['80-77=3', '30-3=27'] Exploring Operation: 27-22=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 22*27=594, Resulting Numbers: [594] 594,36 unequal: No Solution Exploring Operation: 22+27=49, Resulting Numbers: [49] 49,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[77, 22, 50], Operations: ['80-30=50'] Exploring Operation: 77+22=99, Resulting Numbers: [50, 99] Generated Node #0,0,0: 36:[50, 99] Operation: 77+22=99 Exploring Operation: 77-50=27, Resulting Numbers: [22, 27] Generated Node #0,0,1: 36:[22, 27] Operation: 77-50=27 Exploring Operation: 50-22=28, Resulting Numbers: [77, 28] Generated Node #0,0,2: 36:[77, 28] Operation: 50-22=28 Exploring Operation: 77-22=55, Resulting Numbers: [50, 55] Generated Node #0,0,3: 36:[50, 55] Operation: 77-22=55 Exploring Operation: 22+50=72, Resulting Numbers: [77, 72] Generated Node #0,0,4: 36:[77, 72] Operation: 22+50=72 Moving to Node #0,0,1 Current State: 36:[22, 27], Operations: ['80-30=50', '77-50=27'] Exploring Operation: 27-22=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 22+27=49, Resulting Numbers: [49] 49,36 unequal: No Solution Exploring Operation: 22*27=594, Resulting Numbers: [594] 594,36 unequal: No Solution Moving to Node #0,0,3 Current State: 36:[50, 55], Operations: ['80-30=50', '77-22=55'] Exploring Operation: 50+55=105, Resulting Numbers: [105] 105,36 unequal: No Solution Exploring Operation: 55-50=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 50*55=2750, Resulting Numbers: [2750] 2750,36 unequal: No Solution Moving to Node #0,0,2 Current State: 36:[77, 28], Operations: ['80-30=50', '50-22=28'] Exploring Operation: 77-28=49, Resulting Numbers: [49] 49,36 unequal: No Solution Exploring Operation: 77*28=2156, Resulting Numbers: [2156] 2156,36 unequal: No Solution Exploring Operation: 77+28=105, Resulting Numbers: [105] 105,36 unequal: No Solution Moving to Node #0,0,0 Current State: 36:[50, 99], Operations: ['80-30=50', '77+22=99'] Exploring Operation: 99-50=49, Resulting Numbers: [49] 49,36 unequal: No Solution Exploring Operation: 50*99=4950, Resulting Numbers: [4950] 4950,36 unequal: No Solution Exploring Operation: 50+99=149, Resulting Numbers: [149] 149,36 unequal: No Solution Moving to Node #0,0,4 Current State: 36:[77, 72], Operations: ['80-30=50', '22+50=72'] Exploring Operation: 77-72=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 77*72=5544, Resulting Numbers: [5544] 5544,36 unequal: No Solution Exploring Operation: 77+72=149, Resulting Numbers: [149] 149,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 36:[80, 22, 47], Operations: ['77-30=47'] Exploring Operation: 47-22=25, Resulting Numbers: [80, 25] Generated Node #0,1,0: 36:[80, 25] Operation: 47-22=25 Exploring Operation: 80-22=58, Resulting Numbers: [47, 58] Generated Node #0,1,1: 36:[47, 58] Operation: 80-22=58 Exploring Operation: 80+22=102, Resulting Numbers: [47, 102] Generated Node #0,1,2: 36:[47, 102] Operation: 80+22=102 Exploring Operation: 22+47=69, Resulting Numbers: [80, 69] Generated Node #0,1,3: 36:[80, 69] Operation: 22+47=69 Exploring Operation: 80-47=33, Resulting Numbers: [22, 33] Generated Node #0,1,4: 36:[22, 33] Operation: 80-47=33 Moving to Node #0,1,4 Current State: 36:[22, 33], Operations: ['77-30=47', '80-47=33'] Exploring Operation: 22+33=55, Resulting Numbers: [55] 55,36 unequal: No Solution Exploring Operation: 22*33=726, Resulting Numbers: [726] 726,36 unequal: No Solution Exploring Operation: 33-22=11, Resulting Numbers: [11] 11,36 unequal: No Solution Moving to Node #0,1,1 Current State: 36:[47, 58], Operations: ['77-30=47', '80-22=58'] Exploring Operation: 58-47=11, Resulting Numbers: [11] 11,36 unequal: No Solution Exploring Operation: 47+58=105, Resulting Numbers: [105] 105,36 unequal: No Solution Exploring Operation: 47*58=2726, Resulting Numbers: [2726] 2726,36 unequal: No Solution Moving to Node #0,1,0 Current State: 36:[80, 25], Operations: ['77-30=47', '47-22=25'] Exploring Operation: 80+25=105, Resulting Numbers: [105] 105,36 unequal: No Solution Exploring Operation: 80*25=2000, Resulting Numbers: [2000] 2000,36 unequal: No Solution Exploring Operation: 80-25=55, Resulting Numbers: [55] 55,36 unequal: No Solution Moving to Node #0,1,2 Current State: 36:[47, 102], Operations: ['77-30=47', '80+22=102'] Exploring Operation: 47*102=4794, Resulting Numbers: [4794] 4794,36 unequal: No Solution Exploring Operation: 102-47=55, Resulting Numbers: [55] 55,36 unequal: No Solution Exploring Operation: 47+102=149, Resulting Numbers: [149] 149,36 unequal: No Solution Moving to Node #0,1,3 Current State: 36:[80, 69], Operations: ['77-30=47', '22+47=69'] Exploring Operation: 80*69=5520, Resulting Numbers: [5520] 5520,36 unequal: No Solution Exploring Operation: 80-69=11, Resulting Numbers: [11] 11,36 unequal: No Solution Exploring Operation: 80+69=149, Resulting Numbers: [149] 149,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 36:[80, 30, 55], Operations: ['77-22=55'] Exploring Operation: 30+55=85, Resulting Numbers: [80, 85] Generated Node #0,2,0: 36:[80, 85] Operation: 30+55=85 Exploring Operation: 80-30=50, Resulting Numbers: [55, 50] Generated Node #0,2,1: 36:[55, 50] Operation: 80-30=50 Exploring Operation: 80+30=110, Resulting Numbers: [55, 110] Generated Node #0,2,2: 36:[55, 110] Operation: 80+30=110 Exploring Operation: 55-30=25, Resulting Numbers: [80, 25] Generated Node #0,2,3: 36:[80, 25] Operation: 55-30=25 Exploring Operation: 80-55=25, Resulting Numbers: [30, 25] Generated Node #0,2,4: 36:[30, 25] Operation: 80-55=25 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 36:[30, 25], Operations: ['77-22=55', '80-55=25'] Exploring Operation: 30-25=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 30*25=750, Resulting Numbers: [750] 750,36 unequal: No Solution Exploring Operation: 30+25=55, Resulting Numbers: [55] 55,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 36:[55, 50], Operations: ['77-22=55', '80-30=50'] Exploring Operation: 55+50=105, Resulting Numbers: [105] 105,36 unequal: No Solution Exploring Operation: 55-50=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 55*50=2750, Resulting Numbers: [2750] 2750,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 36:[80, 25], Operations: ['77-22=55', '55-30=25'] Exploring Operation: 80-25=55, Resulting Numbers: [55] 55,36 unequal: No Solution Exploring Operation: 80+25=105, Resulting Numbers: [105] 105,36 unequal: No Solution Exploring Operation: 80*25=2000, Resulting Numbers: [2000] 2000,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 36:[80, 85], Operations: ['77-22=55', '30+55=85'] Exploring Operation: 80+85=165, Resulting Numbers: [165] 165,36 unequal: No Solution Exploring Operation: 85-80=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 80*85=6800, Resulting Numbers: [6800] 6800,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 36:[55, 110], Operations: ['77-22=55', '80+30=110'] Exploring Operation: 110/55=2, Resulting Numbers: [2] 2,36 unequal: No Solution Exploring Operation: 55+110=165, Resulting Numbers: [165] 165,36 unequal: No Solution Exploring Operation: 55*110=6050, Resulting Numbers: [6050] 6050,36 unequal: No Solution Exploring Operation: 110-55=55, Resulting Numbers: [55] 55,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 36:[30, 77, 58], Operations: ['80-22=58'] Exploring Operation: 77-58=19, Resulting Numbers: [30, 19] Generated Node #0,4,0: 36:[30, 19] Operation: 77-58=19 Exploring Operation: 30+58=88, Resulting Numbers: [77, 88] Generated Node #0,4,1: 36:[77, 88] Operation: 30+58=88 Exploring Operation: 30+77=107, Resulting Numbers: [58, 107] Generated Node #0,4,2: 36:[58, 107] Operation: 30+77=107 Exploring Operation: 58-30=28, Resulting Numbers: [77, 28] Generated Node #0,4,3: 36:[77, 28] Operation: 58-30=28 Exploring Operation: 77-30=47, Resulting Numbers: [58, 47] Generated Node #0,4,4: 36:[58, 47] Operation: 77-30=47 Moving to Node #0,4,0 Current State: 36:[30, 19], Operations: ['80-22=58', '77-58=19'] Exploring Operation: 30-19=11, Resulting Numbers: [11] 11,36 unequal: No Solution Exploring Operation: 30*19=570, Resulting Numbers: [570] 570,36 unequal: No Solution Exploring Operation: 30+19=49, Resulting Numbers: [49] 49,36 unequal: No Solution Moving to Node #0,4,4 Current State: 36:[58, 47], Operations: ['80-22=58', '77-30=47'] Exploring Operation: 58-47=11, Resulting Numbers: [11] 11,36 unequal: No Solution Exploring Operation: 58+47=105, Resulting Numbers: [105] 105,36 unequal: No Solution Exploring Operation: 58*47=2726, Resulting Numbers: [2726] 2726,36 unequal: No Solution Moving to Node #0,4,3 Current State: 36:[77, 28], Operations: ['80-22=58', '58-30=28'] Exploring Operation: 77*28=2156, Resulting Numbers: [2156] 2156,36 unequal: No Solution Exploring Operation: 77+28=105, Resulting Numbers: [105] 105,36 unequal: No Solution Exploring Operation: 77-28=49, Resulting Numbers: [49] 49,36 unequal: No Solution Moving to Node #0,4,1 Current State: 36:[77, 88], Operations: ['80-22=58', '30+58=88'] Exploring Operation: 77+88=165, Resulting Numbers: [165] 165,36 unequal: No Solution Exploring Operation: 88-77=11, Resulting Numbers: [11] 11,36 unequal: No Solution Exploring Operation: 77*88=6776, Resulting Numbers: [6776] 6776,36 unequal: No Solution Moving to Node #0,4,2 Current State: 36:[58, 107], Operations: ['80-22=58', '30+77=107'] Exploring Operation: 107-58=49, Resulting Numbers: [49] 49,36 unequal: No Solution Exploring Operation: 58*107=6206, Resulting Numbers: [6206] 6206,36 unequal: No Solution Exploring Operation: 58+107=165, Resulting Numbers: [165] 165,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 22, 25, 36, 64 ]
76
[ "25-22=3", "36/3=12", "64+12=76" ]
Current State: 76:[22, 25, 36, 64], Operations: [] Exploring Operation: 25-22=3, Resulting Numbers: [36, 64, 3] Generated Node #2: [36, 64, 3] from Operation: 25-22=3 Current State: 76:[36, 64, 3], Operations: ['25-22=3'] Exploring Operation: 36/3=12, Resulting Numbers: [64, 12] Generated Node #3: [64, 12] from Operation: 36/3=12 Current State: 76:[64, 12], Operations: ['25-22=3', '36/3=12'] Exploring Operation: 64+12=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[22, 25, 36, 64], Operations: [] Exploring Operation: 64-25=39, Resulting Numbers: [22, 36, 39] Generated Node #0,0: 76:[22, 36, 39] Operation: 64-25=39 Exploring Operation: 22+64=86, Resulting Numbers: [25, 36, 86] Generated Node #0,1: 76:[25, 36, 86] Operation: 22+64=86 Exploring Operation: 25-22=3, Resulting Numbers: [36, 64, 3] Generated Node #0,2: 76:[36, 64, 3] Operation: 25-22=3 Exploring Operation: 25+64=89, Resulting Numbers: [22, 36, 89] Generated Node #0,3: 76:[22, 36, 89] Operation: 25+64=89 Exploring Operation: 64-22=42, Resulting Numbers: [25, 36, 42] Generated Node #0,4: 76:[25, 36, 42] Operation: 64-22=42 Moving to Node #0,0 Current State: 76:[22, 36, 39], Operations: ['64-25=39'] Exploring Operation: 39-22=17, Resulting Numbers: [36, 17] Generated Node #0,0,0: 76:[36, 17] Operation: 39-22=17 Exploring Operation: 22+39=61, Resulting Numbers: [36, 61] Generated Node #0,0,1: 76:[36, 61] Operation: 22+39=61 Exploring Operation: 39-36=3, Resulting Numbers: [22, 3] Generated Node #0,0,2: 76:[22, 3] Operation: 39-36=3 Exploring Operation: 36+39=75, Resulting Numbers: [22, 75] Generated Node #0,0,3: 76:[22, 75] Operation: 36+39=75 Exploring Operation: 36-22=14, Resulting Numbers: [39, 14] Generated Node #0,0,4: 76:[39, 14] Operation: 36-22=14 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 76:[36, 17], Operations: ['64-25=39', '39-22=17'] Exploring Operation: 36*17=612, Resulting Numbers: [612] 612,76 unequal: No Solution Exploring Operation: 36+17=53, Resulting Numbers: [53] 53,76 unequal: No Solution Exploring Operation: 36-17=19, Resulting Numbers: [19] 19,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 76:[22, 3], Operations: ['64-25=39', '39-36=3'] Exploring Operation: 22+3=25, Resulting Numbers: [25] 25,76 unequal: No Solution Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,76 unequal: No Solution Exploring Operation: 22*3=66, Resulting Numbers: [66] 66,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 76:[22, 75], Operations: ['64-25=39', '36+39=75'] Exploring Operation: 22*75=1650, Resulting Numbers: [1650] 1650,76 unequal: No Solution Exploring Operation: 75-22=53, Resulting Numbers: [53] 53,76 unequal: No Solution Exploring Operation: 22+75=97, Resulting Numbers: [97] 97,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 76:[39, 14], Operations: ['64-25=39', '36-22=14'] Exploring Operation: 39-14=25, Resulting Numbers: [25] 25,76 unequal: No Solution Exploring Operation: 39+14=53, Resulting Numbers: [53] 53,76 unequal: No Solution Exploring Operation: 39*14=546, Resulting Numbers: [546] 546,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 76:[36, 61], Operations: ['64-25=39', '22+39=61'] Exploring Operation: 36*61=2196, Resulting Numbers: [2196] 2196,76 unequal: No Solution Exploring Operation: 36+61=97, Resulting Numbers: [97] 97,76 unequal: No Solution Exploring Operation: 61-36=25, Resulting Numbers: [25] 25,76 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: 76:[25, 36, 42], Operations: ['64-22=42'] Exploring Operation: 36+42=78, Resulting Numbers: [25, 78] Generated Node #0,4,0: 76:[25, 78] Operation: 36+42=78 Exploring Operation: 36-25=11, Resulting Numbers: [42, 11] Generated Node #0,4,1: 76:[42, 11] Operation: 36-25=11 Exploring Operation: 25+42=67, Resulting Numbers: [36, 67] Generated Node #0,4,2: 76:[36, 67] Operation: 25+42=67 Exploring Operation: 42-36=6, Resulting Numbers: [25, 6] Generated Node #0,4,3: 76:[25, 6] Operation: 42-36=6 Exploring Operation: 42-25=17, Resulting Numbers: [36, 17] Generated Node #0,4,4: 76:[36, 17] Operation: 42-25=17 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 76:[36, 17], Operations: ['64-22=42', '42-25=17'] Exploring Operation: 36*17=612, Resulting Numbers: [612] 612,76 unequal: No Solution Exploring Operation: 36-17=19, Resulting Numbers: [19] 19,76 unequal: No Solution Exploring Operation: 36+17=53, Resulting Numbers: [53] 53,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 76:[25, 78], Operations: ['64-22=42', '36+42=78'] Exploring Operation: 25*78=1950, Resulting Numbers: [1950] 1950,76 unequal: No Solution Exploring Operation: 78-25=53, Resulting Numbers: [53] 53,76 unequal: No Solution Exploring Operation: 25+78=103, Resulting Numbers: [103] 103,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 76:[25, 6], Operations: ['64-22=42', '42-36=6'] Exploring Operation: 25*6=150, Resulting Numbers: [150] 150,76 unequal: No Solution Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,76 unequal: No Solution Exploring Operation: 25+6=31, Resulting Numbers: [31] 31,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 76:[42, 11], Operations: ['64-22=42', '36-25=11'] Exploring Operation: 42*11=462, Resulting Numbers: [462] 462,76 unequal: No Solution Exploring Operation: 42-11=31, Resulting Numbers: [31] 31,76 unequal: No Solution Exploring Operation: 42+11=53, Resulting Numbers: [53] 53,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 76:[36, 67], Operations: ['64-22=42', '25+42=67'] Exploring Operation: 36*67=2412, Resulting Numbers: [2412] 2412,76 unequal: No Solution Exploring Operation: 36+67=103, Resulting Numbers: [103] 103,76 unequal: No Solution Exploring Operation: 67-36=31, Resulting Numbers: [31] 31,76 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: 76:[36, 64, 3], Operations: ['25-22=3'] Exploring Operation: 36-3=33, Resulting Numbers: [64, 33] Generated Node #0,2,0: 76:[64, 33] Operation: 36-3=33 Exploring Operation: 64-36=28, Resulting Numbers: [3, 28] Generated Node #0,2,1: 76:[3, 28] Operation: 64-36=28 Exploring Operation: 64+3=67, Resulting Numbers: [36, 67] Generated Node #0,2,2: 76:[36, 67] Operation: 64+3=67 Exploring Operation: 64-3=61, Resulting Numbers: [36, 61] Generated Node #0,2,3: 76:[36, 61] Operation: 64-3=61 Exploring Operation: 36+3=39, Resulting Numbers: [64, 39] Generated Node #0,2,4: 76:[64, 39] Operation: 36+3=39 Moving to Node #0,1 Current State: 76:[25, 36, 86], Operations: ['22+64=86'] Exploring Operation: 25+86=111, Resulting Numbers: [36, 111] Generated Node #0,1,0: 76:[36, 111] Operation: 25+86=111 Exploring Operation: 86-25=61, Resulting Numbers: [36, 61] Generated Node #0,1,1: 76:[36, 61] Operation: 86-25=61 Exploring Operation: 86-36=50, Resulting Numbers: [25, 50] Generated Node #0,1,2: 76:[25, 50] Operation: 86-36=50 Exploring Operation: 25+36=61, Resulting Numbers: [86, 61] Generated Node #0,1,3: 76:[86, 61] Operation: 25+36=61 Exploring Operation: 36-25=11, Resulting Numbers: [86, 11] Generated Node #0,1,4: 76:[86, 11] Operation: 36-25=11 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 76:[36, 61], Operations: ['22+64=86', '86-25=61'] Exploring Operation: 36+61=97, Resulting Numbers: [97] 97,76 unequal: No Solution Exploring Operation: 61-36=25, Resulting Numbers: [25] 25,76 unequal: No Solution Exploring Operation: 36*61=2196, Resulting Numbers: [2196] 2196,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 76:[86, 11], Operations: ['22+64=86', '36-25=11'] Exploring Operation: 86+11=97, Resulting Numbers: [97] 97,76 unequal: No Solution Exploring Operation: 86-11=75, Resulting Numbers: [75] 75,76 unequal: No Solution Exploring Operation: 86*11=946, Resulting Numbers: [946] 946,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 76:[25, 50], Operations: ['22+64=86', '86-36=50'] Exploring Operation: 50/25=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 25*50=1250, Resulting Numbers: [1250] 1250,76 unequal: No Solution Exploring Operation: 25+50=75, Resulting Numbers: [75] 75,76 unequal: No Solution Exploring Operation: 50-25=25, Resulting Numbers: [25] 25,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 76:[86, 61], Operations: ['22+64=86', '25+36=61'] Exploring Operation: 86+61=147, Resulting Numbers: [147] 147,76 unequal: No Solution Exploring Operation: 86*61=5246, Resulting Numbers: [5246] 5246,76 unequal: No Solution Exploring Operation: 86-61=25, Resulting Numbers: [25] 25,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 76:[36, 111], Operations: ['22+64=86', '25+86=111'] Exploring Operation: 111-36=75, Resulting Numbers: [75] 75,76 unequal: No Solution Exploring Operation: 36+111=147, Resulting Numbers: [147] 147,76 unequal: No Solution Exploring Operation: 36*111=3996, Resulting Numbers: [3996] 3996,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 76:[22, 36, 89], Operations: ['25+64=89'] Exploring Operation: 36-22=14, Resulting Numbers: [89, 14] Generated Node #0,3,0: 76:[89, 14] Operation: 36-22=14 Exploring Operation: 89-22=67, Resulting Numbers: [36, 67] Generated Node #0,3,1: 76:[36, 67] Operation: 89-22=67 Exploring Operation: 22+89=111, Resulting Numbers: [36, 111] Generated Node #0,3,2: 76:[36, 111] Operation: 22+89=111 Exploring Operation: 22+36=58, Resulting Numbers: [89, 58] Generated Node #0,3,3: 76:[89, 58] Operation: 22+36=58 Exploring Operation: 89-36=53, Resulting Numbers: [22, 53] Generated Node #0,3,4: 76:[22, 53] Operation: 89-36=53 Moving to Node #0,2,1 Current State: 76:[3, 28], Operations: ['25-22=3', '64-36=28'] Exploring Operation: 3+28=31, Resulting Numbers: [31] 31,76 unequal: No Solution Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,76 unequal: No Solution Exploring Operation: 3*28=84, Resulting Numbers: [84] 84,76 unequal: No Solution Moving to Node #0,3,1 Current State: 76:[36, 67], Operations: ['25+64=89', '89-22=67'] Exploring Operation: 36*67=2412, Resulting Numbers: [2412] 2412,76 unequal: No Solution Exploring Operation: 36+67=103, Resulting Numbers: [103] 103,76 unequal: No Solution Exploring Operation: 67-36=31, Resulting Numbers: [31] 31,76 unequal: No Solution Moving to Node #0,2,2 Current State: 76:[36, 67], Operations: ['25-22=3', '64+3=67'] Exploring Operation: 36+67=103, Resulting Numbers: [103] 103,76 unequal: No Solution Exploring Operation: 36*67=2412, Resulting Numbers: [2412] 2412,76 unequal: No Solution Exploring Operation: 67-36=31, Resulting Numbers: [31] 31,76 unequal: No Solution Moving to Node #0,2,4 Current State: 76:[64, 39], Operations: ['25-22=3', '36+3=39'] Exploring Operation: 64*39=2496, Resulting Numbers: [2496] 2496,76 unequal: No Solution Exploring Operation: 64-39=25, Resulting Numbers: [25] 25,76 unequal: No Solution Exploring Operation: 64+39=103, Resulting Numbers: [103] 103,76 unequal: No Solution Moving to Node #0,2,3 Current State: 76:[36, 61], Operations: ['25-22=3', '64-3=61'] Exploring Operation: 61-36=25, Resulting Numbers: [25] 25,76 unequal: No Solution Exploring Operation: 36+61=97, Resulting Numbers: [97] 97,76 unequal: No Solution Exploring Operation: 36*61=2196, Resulting Numbers: [2196] 2196,76 unequal: No Solution Moving to Node #0,2,0 Current State: 76:[64, 33], Operations: ['25-22=3', '36-3=33'] Exploring Operation: 64*33=2112, Resulting Numbers: [2112] 2112,76 unequal: No Solution Exploring Operation: 64+33=97, Resulting Numbers: [97] 97,76 unequal: No Solution Exploring Operation: 64-33=31, Resulting Numbers: [31] 31,76 unequal: No Solution Moving to Node #0,3,0 Current State: 76:[89, 14], Operations: ['25+64=89', '36-22=14'] Exploring Operation: 89*14=1246, Resulting Numbers: [1246] 1246,76 unequal: No Solution Exploring Operation: 89-14=75, Resulting Numbers: [75] 75,76 unequal: No Solution Exploring Operation: 89+14=103, Resulting Numbers: [103] 103,76 unequal: No Solution Moving to Node #0,3,4 Current State: 76:[22, 53], Operations: ['25+64=89', '89-36=53'] Exploring Operation: 22*53=1166, Resulting Numbers: [1166] 1166,76 unequal: No Solution Exploring Operation: 53-22=31, Resulting Numbers: [31] 31,76 unequal: No Solution Exploring Operation: 22+53=75, Resulting Numbers: [75] 75,76 unequal: No Solution Moving to Node #0,3,3 Current State: 76:[89, 58], Operations: ['25+64=89', '22+36=58'] Exploring Operation: 89*58=5162, Resulting Numbers: [5162] 5162,76 unequal: No Solution Exploring Operation: 89+58=147, Resulting Numbers: [147] 147,76 unequal: No Solution Exploring Operation: 89-58=31, Resulting Numbers: [31] 31,76 unequal: No Solution Moving to Node #0,3,2 Current State: 76:[36, 111], Operations: ['25+64=89', '22+89=111'] Exploring Operation: 36*111=3996, Resulting Numbers: [3996] 3996,76 unequal: No Solution Exploring Operation: 111-36=75, Resulting Numbers: [75] 75,76 unequal: No Solution Exploring Operation: 36+111=147, Resulting Numbers: [147] 147,76 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 37, 14, 6, 97 ]
80
[ "37-14=23", "6+97=103", "103-23=80" ]
Current State: 80:[37, 14, 6, 97], Operations: [] Exploring Operation: 37-14=23, Resulting Numbers: [6, 97, 23] Generated Node #2: [6, 97, 23] from Operation: 37-14=23 Current State: 80:[6, 97, 23], Operations: ['37-14=23'] Exploring Operation: 6+97=103, Resulting Numbers: [23, 103] Generated Node #3: [23, 103] from Operation: 6+97=103 Current State: 80:[23, 103], Operations: ['37-14=23', '6+97=103'] Exploring Operation: 103-23=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[37, 14, 6, 97], Operations: [] Exploring Operation: 97-14=83, Resulting Numbers: [37, 6, 83] Generated Node #0,0: 80:[37, 6, 83] Operation: 97-14=83 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[37, 6, 83], Operations: ['97-14=83'] Exploring Operation: 37+6=43, Resulting Numbers: [83, 43] Generated Node #0,0,0: 80:[83, 43] Operation: 37+6=43 Moving to Node #0,0,0 Current State: 80:[83, 43], Operations: ['97-14=83', '37+6=43'] Exploring Operation: 83-43=40, Resulting Numbers: [40] 40,80 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
[ 71, 35, 28, 7 ]
80
[ "71-7=64", "35*64=2240", "2240/28=80" ]
Current State: 80:[71, 35, 28, 7], Operations: [] Exploring Operation: 71-7=64, Resulting Numbers: [35, 28, 64] Generated Node #2: [35, 28, 64] from Operation: 71-7=64 Current State: 80:[35, 28, 64], Operations: ['71-7=64'] Exploring Operation: 35*64=2240, Resulting Numbers: [28, 2240] Generated Node #3: [28, 2240] from Operation: 35*64=2240 Current State: 80:[28, 2240], Operations: ['71-7=64', '35*64=2240'] Exploring Operation: 2240/28=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[71, 35, 28, 7], Operations: [] Exploring Operation: 71+7=78, Resulting Numbers: [35, 28, 78] Generated Node #0,0: 80:[35, 28, 78] Operation: 71+7=78 Exploring Operation: 71-28=43, Resulting Numbers: [35, 7, 43] Generated Node #0,1: 80:[35, 7, 43] Operation: 71-28=43 Exploring Operation: 28/7=4, Resulting Numbers: [71, 35, 4] Generated Node #0,2: 80:[71, 35, 4] Operation: 28/7=4 Exploring Operation: 71-35=36, Resulting Numbers: [28, 7, 36] Generated Node #0,3: 80:[28, 7, 36] Operation: 71-35=36 Exploring Operation: 35-28=7, Resulting Numbers: [71, 7, 7] Generated Node #0,4: 80:[71, 7, 7] Operation: 35-28=7 Moving to Node #0,1 Current State: 80:[35, 7, 43], Operations: ['71-28=43'] Exploring Operation: 35+7=42, Resulting Numbers: [43, 42] Generated Node #0,1,0: 80:[43, 42] Operation: 35+7=42 Exploring Operation: 35+43=78, Resulting Numbers: [7, 78] Generated Node #0,1,1: 80:[7, 78] Operation: 35+43=78 Exploring Operation: 43-35=8, Resulting Numbers: [7, 8] Generated Node #0,1,2: 80:[7, 8] Operation: 43-35=8 Exploring Operation: 35/7=5, Resulting Numbers: [43, 5] Generated Node #0,1,3: 80:[43, 5] Operation: 35/7=5 Exploring Operation: 43-7=36, Resulting Numbers: [35, 36] Generated Node #0,1,4: 80:[35, 36] Operation: 43-7=36 Moving to Node #0,4 Current State: 80:[71, 7, 7], Operations: ['35-28=7'] Exploring Operation: 71+7=78, Resulting Numbers: [7, 78] Generated Node #0,4,0: 80:[7, 78] Operation: 71+7=78 Exploring Operation: 71+7=78, Resulting Numbers: [7, 78] Generated Node #0,4,1: 80:[7, 78] Operation: 71+7=78 Exploring Operation: 7+7=14, Resulting Numbers: [71, 14] Generated Node #0,4,2: 80:[71, 14] Operation: 7+7=14 Exploring Operation: 7/7=1, Resulting Numbers: [71, 1] Generated Node #0,4,3: 80:[71, 1] Operation: 7/7=1 Exploring Operation: 7-7=0, Resulting Numbers: [71, 0] Generated Node #0,4,4: 80:[71, 0] Operation: 7-7=0 Moving to Node #0,3 Current State: 80:[28, 7, 36], Operations: ['71-35=36'] Exploring Operation: 28+7=35, Resulting Numbers: [36, 35] Generated Node #0,3,0: 80:[36, 35] Operation: 28+7=35 Exploring Operation: 28/7=4, Resulting Numbers: [36, 4] Generated Node #0,3,1: 80:[36, 4] Operation: 28/7=4 Exploring Operation: 7+36=43, Resulting Numbers: [28, 43] Generated Node #0,3,2: 80:[28, 43] Operation: 7+36=43 Exploring Operation: 36-28=8, Resulting Numbers: [7, 8] Generated Node #0,3,3: 80:[7, 8] Operation: 36-28=8 Exploring Operation: 28-7=21, Resulting Numbers: [36, 21] Generated Node #0,3,4: 80:[36, 21] Operation: 28-7=21 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 80:[7, 8], Operations: ['71-35=36', '36-28=8'] Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,80 unequal: No Solution Exploring Operation: 7+8=15, Resulting Numbers: [15] 15,80 unequal: No Solution Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,80 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 #0,3,1 Current State: 80:[36, 4], Operations: ['71-35=36', '28/7=4'] Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,80 unequal: No Solution Exploring Operation: 36*4=144, Resulting Numbers: [144] 144,80 unequal: No Solution Exploring Operation: 36+4=40, Resulting Numbers: [40] 40,80 unequal: No Solution Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,80 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 #0,3,4 Current State: 80:[36, 21], Operations: ['71-35=36', '28-7=21'] Exploring Operation: 36+21=57, Resulting Numbers: [57] 57,80 unequal: No Solution Exploring Operation: 36-21=15, Resulting Numbers: [15] 15,80 unequal: No Solution Exploring Operation: 36*21=756, Resulting Numbers: [756] 756,80 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 #0,3,0 Current State: 80:[36, 35], Operations: ['71-35=36', '28+7=35'] Exploring Operation: 36+35=71, Resulting Numbers: [71] 71,80 unequal: No Solution Exploring Operation: 36*35=1260, Resulting Numbers: [1260] 1260,80 unequal: No Solution Exploring Operation: 36-35=1, Resulting Numbers: [1] 1,80 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 #0,3,2 Current State: 80:[28, 43], Operations: ['71-35=36', '7+36=43'] Exploring Operation: 28*43=1204, Resulting Numbers: [1204] 1204,80 unequal: No Solution Exploring Operation: 28+43=71, Resulting Numbers: [71] 71,80 unequal: No Solution Exploring Operation: 43-28=15, Resulting Numbers: [15] 15,80 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:[71, 35, 4], Operations: ['28/7=4'] Exploring Operation: 71-35=36, Resulting Numbers: [4, 36] Generated Node #0,2,0: 80:[4, 36] Operation: 71-35=36 Exploring Operation: 71+4=75, Resulting Numbers: [35, 75] Generated Node #0,2,1: 80:[35, 75] Operation: 71+4=75 Exploring Operation: 35+4=39, Resulting Numbers: [71, 39] Generated Node #0,2,2: 80:[71, 39] Operation: 35+4=39 Exploring Operation: 71-4=67, Resulting Numbers: [35, 67] Generated Node #0,2,3: 80:[35, 67] Operation: 71-4=67 Exploring Operation: 35-4=31, Resulting Numbers: [71, 31] Generated Node #0,2,4: 80:[71, 31] Operation: 35-4=31 Moving to Node #0,0 Current State: 80:[35, 28, 78], Operations: ['71+7=78'] Exploring Operation: 78-35=43, Resulting Numbers: [28, 43] Generated Node #0,0,0: 80:[28, 43] Operation: 78-35=43 Exploring Operation: 35+28=63, Resulting Numbers: [78, 63] Generated Node #0,0,1: 80:[78, 63] Operation: 35+28=63 Exploring Operation: 28+78=106, Resulting Numbers: [35, 106] Generated Node #0,0,2: 80:[35, 106] Operation: 28+78=106 Exploring Operation: 78-28=50, Resulting Numbers: [35, 50] Generated Node #0,0,3: 80:[35, 50] Operation: 78-28=50 Exploring Operation: 35-28=7, Resulting Numbers: [78, 7] Generated Node #0,0,4: 80:[78, 7] Operation: 35-28=7 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 80:[78, 7], Operations: ['71+7=78', '35-28=7'] Exploring Operation: 78+7=85, Resulting Numbers: [85] 85,80 unequal: No Solution Exploring Operation: 78*7=546, Resulting Numbers: [546] 546,80 unequal: No Solution Exploring Operation: 78-7=71, Resulting Numbers: [71] 71,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 80:[28, 43], Operations: ['71+7=78', '78-35=43'] Exploring Operation: 28+43=71, Resulting Numbers: [71] 71,80 unequal: No Solution Exploring Operation: 43-28=15, Resulting Numbers: [15] 15,80 unequal: No Solution Exploring Operation: 28*43=1204, Resulting Numbers: [1204] 1204,80 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:[35, 50], Operations: ['71+7=78', '78-28=50'] Exploring Operation: 35+50=85, Resulting Numbers: [85] 85,80 unequal: No Solution Exploring Operation: 35*50=1750, Resulting Numbers: [1750] 1750,80 unequal: No Solution Exploring Operation: 50-35=15, Resulting Numbers: [15] 15,80 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:[78, 63], Operations: ['71+7=78', '35+28=63'] Exploring Operation: 78*63=4914, Resulting Numbers: [4914] 4914,80 unequal: No Solution Exploring Operation: 78-63=15, Resulting Numbers: [15] 15,80 unequal: No Solution Exploring Operation: 78+63=141, Resulting Numbers: [141] 141,80 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:[35, 106], Operations: ['71+7=78', '28+78=106'] Exploring Operation: 35*106=3710, Resulting Numbers: [3710] 3710,80 unequal: No Solution Exploring Operation: 35+106=141, Resulting Numbers: [141] 141,80 unequal: No Solution Exploring Operation: 106-35=71, Resulting Numbers: [71] 71,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,2 Current State: 80:[7, 8], Operations: ['71-28=43', '43-35=8'] Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,80 unequal: No Solution Exploring Operation: 7+8=15, Resulting Numbers: [15] 15,80 unequal: No Solution Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,80 unequal: No Solution Moving to Node #0,1,3 Current State: 80:[43, 5], Operations: ['71-28=43', '35/7=5'] Exploring Operation: 43-5=38, Resulting Numbers: [38] 38,80 unequal: No Solution Exploring Operation: 43+5=48, Resulting Numbers: [48] 48,80 unequal: No Solution Exploring Operation: 43*5=215, Resulting Numbers: [215] 215,80 unequal: No Solution Moving to Node #0,4,1 Current State: 80:[7, 78], Operations: ['35-28=7', '71+7=78'] Exploring Operation: 7+78=85, Resulting Numbers: [85] 85,80 unequal: No Solution Exploring Operation: 78-7=71, Resulting Numbers: [71] 71,80 unequal: No Solution Exploring Operation: 7*78=546, Resulting Numbers: [546] 546,80 unequal: No Solution Moving to Node #0,4,0 Current State: 80:[7, 78], Operations: ['35-28=7', '71+7=78'] Exploring Operation: 7*78=546, Resulting Numbers: [546] 546,80 unequal: No Solution Exploring Operation: 78-7=71, Resulting Numbers: [71] 71,80 unequal: No Solution Exploring Operation: 7+78=85, Resulting Numbers: [85] 85,80 unequal: No Solution Moving to Node #0,1,1 Current State: 80:[7, 78], Operations: ['71-28=43', '35+43=78'] Exploring Operation: 7+78=85, Resulting Numbers: [85] 85,80 unequal: No Solution Exploring Operation: 78-7=71, Resulting Numbers: [71] 71,80 unequal: No Solution Exploring Operation: 7*78=546, Resulting Numbers: [546] 546,80 unequal: No Solution Moving to Node #0,2,0 Current State: 80:[4, 36], Operations: ['28/7=4', '71-35=36'] Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,80 unequal: No Solution Exploring Operation: 4+36=40, Resulting Numbers: [40] 40,80 unequal: No Solution Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,80 unequal: No Solution Exploring Operation: 4*36=144, Resulting Numbers: [144] 144,80 unequal: No Solution Moving to Node #0,1,0 Current State: 80:[43, 42], Operations: ['71-28=43', '35+7=42'] Exploring Operation: 43+42=85, Resulting Numbers: [85] 85,80 unequal: No Solution Exploring Operation: 43-42=1, Resulting Numbers: [1] 1,80 unequal: No Solution Exploring Operation: 43*42=1806, Resulting Numbers: [1806] 1806,80 unequal: No Solution Moving to Node #0,1,4 Current State: 80:[35, 36], Operations: ['71-28=43', '43-7=36'] Exploring Operation: 36-35=1, Resulting Numbers: [1] 1,80 unequal: No Solution Exploring Operation: 35*36=1260, Resulting Numbers: [1260] 1260,80 unequal: No Solution Exploring Operation: 35+36=71, Resulting Numbers: [71] 71,80 unequal: No Solution Moving to Node #0,2,2 Current State: 80:[71, 39], Operations: ['28/7=4', '35+4=39'] Exploring Operation: 71-39=32, Resulting Numbers: [32] 32,80 unequal: No Solution Exploring Operation: 71+39=110, Resulting Numbers: [110] 110,80 unequal: No Solution Exploring Operation: 71*39=2769, Resulting Numbers: [2769] 2769,80 unequal: No Solution Moving to Node #0,2,1 Current State: 80:[35, 75], Operations: ['28/7=4', '71+4=75'] Exploring Operation: 35+75=110, Resulting Numbers: [110] 110,80 unequal: No Solution Exploring Operation: 75-35=40, Resulting Numbers: [40] 40,80 unequal: No Solution Exploring Operation: 35*75=2625, Resulting Numbers: [2625] 2625,80 unequal: No Solution Moving to Node #0,4,3 Current State: 80:[71, 1], Operations: ['35-28=7', '7/7=1'] Exploring Operation: 71-1=70, Resulting Numbers: [70] 70,80 unequal: No Solution Exploring Operation: 71/1=71, Resulting Numbers: [71] 71,80 unequal: No Solution Exploring Operation: 71+1=72, Resulting Numbers: [72] 72,80 unequal: No Solution Exploring Operation: 71*1=71, Resulting Numbers: [71] 71,80 unequal: No Solution Moving to Node #0,4,4 Current State: 80:[71, 0], Operations: ['35-28=7', '7-7=0'] Exploring Operation: 71-0=71, Resulting Numbers: [71] 71,80 unequal: No Solution Exploring Operation: 71+0=71, Resulting Numbers: [71] 71,80 unequal: No Solution Exploring Operation: 71*0=0, Resulting Numbers: [0] 0,80 unequal: No Solution Moving to Node #0,4,2 Current State: 80:[71, 14], Operations: ['35-28=7', '7+7=14'] Exploring Operation: 71*14=994, Resulting Numbers: [994] 994,80 unequal: No Solution Exploring Operation: 71+14=85, Resulting Numbers: [85] 85,80 unequal: No Solution Exploring Operation: 71-14=57, Resulting Numbers: [57] 57,80 unequal: No Solution Moving to Node #0,2,3 Current State: 80:[35, 67], Operations: ['28/7=4', '71-4=67'] Exploring Operation: 35+67=102, Resulting Numbers: [102] 102,80 unequal: No Solution Exploring Operation: 35*67=2345, Resulting Numbers: [2345] 2345,80 unequal: No Solution Exploring Operation: 67-35=32, Resulting Numbers: [32] 32,80 unequal: No Solution Moving to Node #0,2,4 Current State: 80:[71, 31], Operations: ['28/7=4', '35-4=31'] Exploring Operation: 71*31=2201, Resulting Numbers: [2201] 2201,80 unequal: No Solution Exploring Operation: 71-31=40, Resulting Numbers: [40] 40,80 unequal: No Solution Exploring Operation: 71+31=102, Resulting Numbers: [102] 102,80 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 82, 14, 77, 6 ]
61
[ "82+14=96", "96/6=16", "77-16=61" ]
Current State: 61:[82, 14, 77, 6], Operations: [] Exploring Operation: 82+14=96, Resulting Numbers: [77, 6, 96] Generated Node #2: [77, 6, 96] from Operation: 82+14=96 Current State: 61:[77, 6, 96], Operations: ['82+14=96'] Exploring Operation: 96/6=16, Resulting Numbers: [77, 16] Generated Node #3: [77, 16] from Operation: 96/6=16 Current State: 61:[77, 16], Operations: ['82+14=96', '96/6=16'] Exploring Operation: 77-16=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[82, 14, 77, 6], Operations: [] Exploring Operation: 14*6=84, Resulting Numbers: [82, 77, 84] Generated Node #0,0: 61:[82, 77, 84] Operation: 14*6=84 Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[82, 77, 84], Operations: ['14*6=84'] Exploring Operation: 84-82=2, Resulting Numbers: [77, 2] Generated Node #0,0,0: 61:[77, 2] Operation: 84-82=2 Moving to Node #0,0,0 Current State: 61:[77, 2], Operations: ['14*6=84', '84-82=2'] Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic