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
[ 58, 28, 26, 71 ]
74
[ "58+26=84", "84/28=3", "71+3=74" ]
Current State: 74:[58, 28, 26, 71], Operations: [] Exploring Operation: 58+26=84, Resulting Numbers: [28, 71, 84] Generated Node #2: [28, 71, 84] from Operation: 58+26=84 Current State: 74:[28, 71, 84], Operations: ['58+26=84'] Exploring Operation: 84/28=3, Resulting Numbers: [71, 3] Generated Node #3: [71, 3] from Operation: 84/28=3 Current State: 74:[71, 3], Operations: ['58+26=84', '84/28=3'] Exploring Operation: 71+3=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[58, 28, 26, 71], Operations: [] Exploring Operation: 58-26=32, Resulting Numbers: [28, 71, 32] Generated Node #0,0: 74:[28, 71, 32] Operation: 58-26=32 Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[28, 71, 32], Operations: ['58-26=32'] Exploring Operation: 32-28=4, Resulting Numbers: [71, 4] Generated Node #0,0,0: 74:[71, 4] Operation: 32-28=4 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 74:[71, 4], Operations: ['58-26=32', '32-28=4'] Exploring Operation: 71+4=75, Resulting Numbers: [75] 75,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 13, 42, 61, 3 ]
96
[ "42-13=29", "61-29=32", "3*32=96" ]
Current State: 96:[13, 42, 61, 3], Operations: [] Exploring Operation: 42-13=29, Resulting Numbers: [61, 3, 29] Generated Node #2: [61, 3, 29] from Operation: 42-13=29 Current State: 96:[61, 3, 29], Operations: ['42-13=29'] Exploring Operation: 61-29=32, Resulting Numbers: [3, 32] Generated Node #3: [3, 32] from Operation: 61-29=32 Current State: 96:[3, 32], Operations: ['42-13=29', '61-29=32'] Exploring Operation: 3*32=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[13, 42, 61, 3], Operations: [] Exploring Operation: 61-42=19, Resulting Numbers: [13, 3, 19] Generated Node #0,0: 96:[13, 3, 19] Operation: 61-42=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[13, 3, 19], Operations: ['61-42=19'] Exploring Operation: 13+19=32, Resulting Numbers: [3, 32] Generated Node #0,0,0: 96:[3, 32] Operation: 13+19=32 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 96:[3, 32], Operations: ['61-42=19', '13+19=32'] Exploring Operation: 3*32=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[13, 42, 61, 3], Operations: [] Exploring Operation: 61-42=19, Resulting Numbers: [13, 3, 19] Generated Node #0,0: 96:[13, 3, 19] Operation: 61-42=19 Moving to Node #0,0 Current State: 96:[13, 3, 19], Operations: ['61-42=19'] Exploring Operation: 13+19=32, Resulting Numbers: [3, 32] Generated Node #0,0,0: 96:[3, 32] Operation: 13+19=32 Moving to Node #0,0,0 Current State: 96:[3, 32], Operations: ['61-42=19', '13+19=32'] Exploring Operation: 3*32=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 2, 68, 66, 1 ]
65
[ "2*66=132", "68-1=67", "132-67=65" ]
Current State: 65:[2, 68, 66, 1], Operations: [] Exploring Operation: 2*66=132, Resulting Numbers: [68, 1, 132] Generated Node #2: [68, 1, 132] from Operation: 2*66=132 Current State: 65:[68, 1, 132], Operations: ['2*66=132'] Exploring Operation: 68-1=67, Resulting Numbers: [132, 67] Generated Node #3: [132, 67] from Operation: 68-1=67 Current State: 65:[132, 67], Operations: ['2*66=132', '68-1=67'] Exploring Operation: 132-67=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[2, 68, 66, 1], Operations: [] Exploring Operation: 68-2=66, Resulting Numbers: [66, 1, 66] Generated Node #0,0: 65:[66, 1, 66] Operation: 68-2=66 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[66, 1, 66], Operations: ['68-2=66'] Exploring Operation: 66-1=65, Resulting Numbers: [66, 65] Generated Node #0,0,0: 65:[66, 65] Operation: 66-1=65 Moving to Node #0,0,0 Current State: 65:[66, 65], Operations: ['68-2=66', '66-1=65'] Exploring Operation: 66-65=1, Resulting Numbers: [1] 1,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 54, 10, 42, 21 ]
34
[ "10*42=420", "420/21=20", "54-20=34" ]
Current State: 34:[54, 10, 42, 21], Operations: [] Exploring Operation: 10*42=420, Resulting Numbers: [54, 21, 420] Generated Node #2: [54, 21, 420] from Operation: 10*42=420 Current State: 34:[54, 21, 420], Operations: ['10*42=420'] Exploring Operation: 420/21=20, Resulting Numbers: [54, 20] Generated Node #3: [54, 20] from Operation: 420/21=20 Current State: 34:[54, 20], Operations: ['10*42=420', '420/21=20'] Exploring Operation: 54-20=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[54, 10, 42, 21], Operations: [] Exploring Operation: 54-42=12, Resulting Numbers: [10, 21, 12] Generated Node #0,0: 34:[10, 21, 12] Operation: 54-42=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[10, 21, 12], Operations: ['54-42=12'] Exploring Operation: 12-10=2, Resulting Numbers: [21, 2] Generated Node #0,0,0: 34:[21, 2] Operation: 12-10=2 Moving to Node #0,0,0 Current State: 34:[21, 2], Operations: ['54-42=12', '12-10=2'] Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,34 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
[ 30, 19, 2, 14 ]
61
[ "30+19=49", "14-2=12", "49+12=61" ]
Current State: 61:[30, 19, 2, 14], Operations: [] Exploring Operation: 30+19=49, Resulting Numbers: [2, 14, 49] Generated Node #2: [2, 14, 49] from Operation: 30+19=49 Current State: 61:[2, 14, 49], Operations: ['30+19=49'] Exploring Operation: 14-2=12, Resulting Numbers: [49, 12] Generated Node #3: [49, 12] from Operation: 14-2=12 Current State: 61:[49, 12], Operations: ['30+19=49', '14-2=12'] Exploring Operation: 49+12=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[30, 19, 2, 14], Operations: [] Exploring Operation: 19*2=38, Resulting Numbers: [30, 14, 38] Generated Node #0,0: 61:[30, 14, 38] Operation: 19*2=38 Exploring Operation: 30*2=60, Resulting Numbers: [19, 14, 60] Generated Node #0,1: 61:[19, 14, 60] Operation: 30*2=60 Moving to Node #0,1 Current State: 61:[19, 14, 60], Operations: ['30*2=60'] Exploring Operation: 14+60=74, Resulting Numbers: [19, 74] Generated Node #0,1,0: 61:[19, 74] Operation: 14+60=74 Exploring Operation: 19+14=33, Resulting Numbers: [60, 33] Generated Node #0,1,1: 61:[60, 33] Operation: 19+14=33 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 61:[60, 33], Operations: ['30*2=60', '19+14=33'] Exploring Operation: 60+33=93, Resulting Numbers: [93] 93,61 unequal: No Solution Exploring Operation: 60-33=27, Resulting Numbers: [27] 27,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 61:[19, 74], Operations: ['30*2=60', '14+60=74'] Exploring Operation: 74-19=55, Resulting Numbers: [55] 55,61 unequal: No Solution Exploring Operation: 19+74=93, Resulting Numbers: [93] 93,61 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: 61:[30, 14, 38], Operations: ['19*2=38'] Exploring Operation: 14+38=52, Resulting Numbers: [30, 52] Generated Node #0,0,0: 61:[30, 52] Operation: 14+38=52 Exploring Operation: 30+14=44, Resulting Numbers: [38, 44] Generated Node #0,0,1: 61:[38, 44] Operation: 30+14=44 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 61:[30, 52], Operations: ['19*2=38', '14+38=52'] Exploring Operation: 30+52=82, Resulting Numbers: [82] 82,61 unequal: No Solution Exploring Operation: 52-30=22, Resulting Numbers: [22] 22,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 61:[38, 44], Operations: ['19*2=38', '30+14=44'] Exploring Operation: 44-38=6, Resulting Numbers: [6] 6,61 unequal: No Solution Exploring Operation: 38+44=82, Resulting Numbers: [82] 82,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 13, 36, 30, 36 ]
16
[ "30-13=17", "36/36=1", "17-1=16" ]
Current State: 16:[13, 36, 30, 36], Operations: [] Exploring Operation: 30-13=17, Resulting Numbers: [36, 36, 17] Generated Node #2: [36, 36, 17] from Operation: 30-13=17 Current State: 16:[36, 36, 17], Operations: ['30-13=17'] Exploring Operation: 36/36=1, Resulting Numbers: [17, 1] Generated Node #3: [17, 1] from Operation: 36/36=1 Current State: 16:[17, 1], Operations: ['30-13=17', '36/36=1'] Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[13, 36, 30, 36], Operations: [] Exploring Operation: 36/36=1, Resulting Numbers: [13, 30, 1] Generated Node #0,0: 16:[13, 30, 1] Operation: 36/36=1 Exploring Operation: 36-30=6, Resulting Numbers: [13, 36, 6] Generated Node #0,1: 16:[13, 36, 6] Operation: 36-30=6 Exploring Operation: 36-30=6, Resulting Numbers: [13, 36, 6] Generated Node #0,2: 16:[13, 36, 6] Operation: 36-30=6 Exploring Operation: 36-36=0, Resulting Numbers: [13, 30, 0] Generated Node #0,3: 16:[13, 30, 0] Operation: 36-36=0 Moving to Node #0,0 Current State: 16:[13, 30, 1], Operations: ['36/36=1'] Exploring Operation: 13+1=14, Resulting Numbers: [30, 14] Generated Node #0,0,0: 16:[30, 14] Operation: 13+1=14 Exploring Operation: 13*1=13, Resulting Numbers: [30, 13] Generated Node #0,0,1: 16:[30, 13] Operation: 13*1=13 Exploring Operation: 30-13=17, Resulting Numbers: [1, 17] Generated Node #0,0,2: 16:[1, 17] Operation: 30-13=17 Exploring Operation: 30-1=29, Resulting Numbers: [13, 29] Generated Node #0,0,3: 16:[13, 29] Operation: 30-1=29 Moving to Node #0,3 Current State: 16:[13, 30, 0], Operations: ['36-36=0'] Exploring Operation: 13+0=13, Resulting Numbers: [30, 13] Generated Node #0,3,0: 16:[30, 13] Operation: 13+0=13 Exploring Operation: 30-13=17, Resulting Numbers: [0, 17] Generated Node #0,3,1: 16:[0, 17] Operation: 30-13=17 Exploring Operation: 13*0=0, Resulting Numbers: [30, 0] Generated Node #0,3,2: 16:[30, 0] Operation: 13*0=0 Exploring Operation: 30*0=0, Resulting Numbers: [13, 0] Generated Node #0,3,3: 16:[13, 0] Operation: 30*0=0 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 16:[0, 17], Operations: ['36-36=0', '30-13=17'] Exploring Operation: 0*17=0, Resulting Numbers: [0] 0,16 unequal: No Solution Exploring Operation: 17-0=17, Resulting Numbers: [17] 17,16 unequal: No Solution Exploring Operation: 0+17=17, Resulting Numbers: [17] 17,16 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 #0,3,3 Current State: 16:[13, 0], Operations: ['36-36=0', '30*0=0'] Exploring Operation: 13+0=13, Resulting Numbers: [13] 13,16 unequal: No Solution Exploring Operation: 13*0=0, Resulting Numbers: [0] 0,16 unequal: No Solution Exploring Operation: 13-0=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 #0,3,2 Current State: 16:[30, 0], Operations: ['36-36=0', '13*0=0'] Exploring Operation: 30-0=30, Resulting Numbers: [30] 30,16 unequal: No Solution Exploring Operation: 30+0=30, Resulting Numbers: [30] 30,16 unequal: No Solution Exploring Operation: 30*0=0, Resulting Numbers: [0] 0,16 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 #0,3,0 Current State: 16:[30, 13], Operations: ['36-36=0', '13+0=13'] Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,16 unequal: No Solution Exploring Operation: 30+13=43, Resulting Numbers: [43] 43,16 unequal: No Solution Exploring Operation: 30*13=390, Resulting Numbers: [390] 390,16 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: 16:[13, 36, 6], Operations: ['36-30=6'] Exploring Operation: 36-13=23, Resulting Numbers: [6, 23] Generated Node #0,2,0: 16:[6, 23] Operation: 36-13=23 Exploring Operation: 36-6=30, Resulting Numbers: [13, 30] Generated Node #0,2,1: 16:[13, 30] Operation: 36-6=30 Exploring Operation: 13-6=7, Resulting Numbers: [36, 7] Generated Node #0,2,2: 16:[36, 7] Operation: 13-6=7 Exploring Operation: 36/6=6, Resulting Numbers: [13, 6] Generated Node #0,2,3: 16:[13, 6] Operation: 36/6=6 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 16:[13, 6], Operations: ['36-30=6', '36/6=6'] Exploring Operation: 13+6=19, Resulting Numbers: [19] 19,16 unequal: No Solution Exploring Operation: 13*6=78, Resulting Numbers: [78] 78,16 unequal: No Solution Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,16 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:[6, 23], Operations: ['36-30=6', '36-13=23'] Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,16 unequal: No Solution Exploring Operation: 6*23=138, Resulting Numbers: [138] 138,16 unequal: No Solution Exploring Operation: 6+23=29, Resulting Numbers: [29] 29,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 16:[13, 30], Operations: ['36-30=6', '36-6=30'] Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,16 unequal: No Solution Exploring Operation: 13*30=390, Resulting Numbers: [390] 390,16 unequal: No Solution Exploring Operation: 13+30=43, Resulting Numbers: [43] 43,16 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:[36, 7], Operations: ['36-30=6', '13-6=7'] Exploring Operation: 36*7=252, Resulting Numbers: [252] 252,16 unequal: No Solution Exploring Operation: 36+7=43, Resulting Numbers: [43] 43,16 unequal: No Solution Exploring Operation: 36-7=29, Resulting Numbers: [29] 29,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 16:[13, 36, 6], Operations: ['36-30=6'] Exploring Operation: 36-13=23, Resulting Numbers: [6, 23] Generated Node #0,1,0: 16:[6, 23] Operation: 36-13=23 Exploring Operation: 13-6=7, Resulting Numbers: [36, 7] Generated Node #0,1,1: 16:[36, 7] Operation: 13-6=7 Exploring Operation: 36/6=6, Resulting Numbers: [13, 6] Generated Node #0,1,2: 16:[13, 6] Operation: 36/6=6 Exploring Operation: 36-6=30, Resulting Numbers: [13, 30] Generated Node #0,1,3: 16:[13, 30] Operation: 36-6=30 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 16:[13, 6], Operations: ['36-30=6', '36/6=6'] Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,16 unequal: No Solution Exploring Operation: 13+6=19, Resulting Numbers: [19] 19,16 unequal: No Solution Exploring Operation: 13*6=78, Resulting Numbers: [78] 78,16 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 #0,1,0 Current State: 16:[6, 23], Operations: ['36-30=6', '36-13=23'] Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,16 unequal: No Solution Exploring Operation: 6*23=138, Resulting Numbers: [138] 138,16 unequal: No Solution Exploring Operation: 6+23=29, Resulting Numbers: [29] 29,16 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 #0,1,3 Current State: 16:[13, 30], Operations: ['36-30=6', '36-6=30'] Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,16 unequal: No Solution Exploring Operation: 13*30=390, Resulting Numbers: [390] 390,16 unequal: No Solution Exploring Operation: 13+30=43, Resulting Numbers: [43] 43,16 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 #0,1,1 Current State: 16:[36, 7], Operations: ['36-30=6', '13-6=7'] Exploring Operation: 36*7=252, Resulting Numbers: [252] 252,16 unequal: No Solution Exploring Operation: 36+7=43, Resulting Numbers: [43] 43,16 unequal: No Solution Exploring Operation: 36-7=29, Resulting Numbers: [29] 29,16 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: 16:[1, 17], Operations: ['36/36=1', '30-13=17'] Exploring Operation: 1*17=17, Resulting Numbers: [17] 17,16 unequal: No Solution Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[13, 36, 30, 36], Operations: [] Exploring Operation: 36/36=1, Resulting Numbers: [13, 30, 1] Generated Node #0,0: 16:[13, 30, 1] Operation: 36/36=1 Moving to Node #0,0 Current State: 16:[13, 30, 1], Operations: ['36/36=1'] Exploring Operation: 30-13=17, Resulting Numbers: [1, 17] Generated Node #0,0,2: 16:[1, 17] Operation: 30-13=17 Moving to Node #0,0,2 Current State: 16:[1, 17], Operations: ['36/36=1', '30-13=17'] Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
0.946181
hs_4
sum_heuristic
[ 20, 89, 71, 30 ]
28
[ "89-20=69", "71-30=41", "69-41=28" ]
Current State: 28:[20, 89, 71, 30], Operations: [] Exploring Operation: 89-20=69, Resulting Numbers: [71, 30, 69] Generated Node #2: [71, 30, 69] from Operation: 89-20=69 Current State: 28:[71, 30, 69], Operations: ['89-20=69'] Exploring Operation: 71-30=41, Resulting Numbers: [69, 41] Generated Node #3: [69, 41] from Operation: 71-30=41 Current State: 28:[69, 41], Operations: ['89-20=69', '71-30=41'] Exploring Operation: 69-41=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[20, 89, 71, 30], Operations: [] Exploring Operation: 89-30=59, Resulting Numbers: [20, 71, 59] Generated Node #0,0: 28:[20, 71, 59] Operation: 89-30=59 Exploring Operation: 89-71=18, Resulting Numbers: [20, 30, 18] Generated Node #0,1: 28:[20, 30, 18] Operation: 89-71=18 Moving to Node #0,1 Current State: 28:[20, 30, 18], Operations: ['89-71=18'] Exploring Operation: 20-18=2, Resulting Numbers: [30, 2] Generated Node #0,1,0: 28:[30, 2] Operation: 20-18=2 Exploring Operation: 30-20=10, Resulting Numbers: [18, 10] Generated Node #0,1,1: 28:[18, 10] Operation: 30-20=10 Moving to Node #0,0 Current State: 28:[20, 71, 59], Operations: ['89-30=59'] Exploring Operation: 71-59=12, Resulting Numbers: [20, 12] Generated Node #0,0,0: 28:[20, 12] Operation: 71-59=12 Exploring Operation: 71-20=51, Resulting Numbers: [59, 51] Generated Node #0,0,1: 28:[59, 51] Operation: 71-20=51 Moving to Node #0,1,0 Current State: 28:[30, 2], Operations: ['89-71=18', '20-18=2'] Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,28 unequal: No Solution Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[20, 89, 71, 30], Operations: [] Exploring Operation: 89-71=18, Resulting Numbers: [20, 30, 18] Generated Node #0,1: 28:[20, 30, 18] Operation: 89-71=18 Moving to Node #0,1 Current State: 28:[20, 30, 18], Operations: ['89-71=18'] Exploring Operation: 20-18=2, Resulting Numbers: [30, 2] Generated Node #0,1,0: 28:[30, 2] Operation: 20-18=2 Moving to Node #0,1,0 Current State: 28:[30, 2], Operations: ['89-71=18', '20-18=2'] Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
0.989583
hs_2
sum_heuristic
[ 96, 9, 87, 66 ]
66
[ "96-9=87", "87+66=153", "153-87=66" ]
Current State: 66:[96, 9, 87, 66], Operations: [] Exploring Operation: 96-9=87, Resulting Numbers: [87, 66, 87] Generated Node #2: [87, 66, 87] from Operation: 96-9=87 Current State: 66:[87, 66, 87], Operations: ['96-9=87'] Exploring Operation: 87+66=153, Resulting Numbers: [153] 153,66 equal: Goal Reached Exploring Operation: 153-87=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[96, 9, 87, 66], Operations: [] Exploring Operation: 87-66=21, Resulting Numbers: [96, 9, 21] Generated Node #0,0: 66:[96, 9, 21] Operation: 87-66=21 Exploring Operation: 96-9=87, Resulting Numbers: [87, 66, 87] Generated Node #0,1: 66:[87, 66, 87] Operation: 96-9=87 Exploring Operation: 96-87=9, Resulting Numbers: [9, 66, 9] Generated Node #0,2: 66:[9, 66, 9] Operation: 96-87=9 Exploring Operation: 87-9=78, Resulting Numbers: [96, 66, 78] Generated Node #0,3: 66:[96, 66, 78] Operation: 87-9=78 Exploring Operation: 96-66=30, Resulting Numbers: [9, 87, 30] Generated Node #0,4: 66:[9, 87, 30] Operation: 96-66=30 Start Sub Search at level 1: Moving to Node #0,2 Current State: 66:[9, 66, 9], Operations: ['96-87=9'] Exploring Operation: 9+66=75, Resulting Numbers: [9, 75] Generated Node #0,2,0: 66:[9, 75] Operation: 9+66=75 Exploring Operation: 66-9=57, Resulting Numbers: [9, 57] Generated Node #0,2,1: 66:[9, 57] Operation: 66-9=57 Exploring Operation: 9/9=1, Resulting Numbers: [66, 1] Generated Node #0,2,2: 66:[66, 1] Operation: 9/9=1 Exploring Operation: 9+9=18, Resulting Numbers: [66, 18] Generated Node #0,2,3: 66:[66, 18] Operation: 9+9=18 Exploring Operation: 9-9=0, Resulting Numbers: [66, 0] Generated Node #0,2,4: 66:[66, 0] Operation: 9-9=0 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 66:[66, 1], Operations: ['96-87=9', '9/9=1'] Exploring Operation: 66-1=65, Resulting Numbers: [65] 65,66 unequal: No Solution Exploring Operation: 66*1=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[96, 9, 87, 66], Operations: [] Exploring Operation: 96-87=9, Resulting Numbers: [9, 66, 9] Generated Node #0,2: 66:[9, 66, 9] Operation: 96-87=9 Moving to Node #0,2 Current State: 66:[9, 66, 9], Operations: ['96-87=9'] Exploring Operation: 9/9=1, Resulting Numbers: [66, 1] Generated Node #0,2,2: 66:[66, 1] Operation: 9/9=1 Moving to Node #0,2,2 Current State: 66:[66, 1], Operations: ['96-87=9', '9/9=1'] Exploring Operation: 66*1=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 56, 78, 21, 71 ]
71
[ "78-56=22", "22-21=1", "71*1=71" ]
Current State: 71:[56, 78, 21, 71], Operations: [] Exploring Operation: 78-56=22, Resulting Numbers: [21, 71, 22] Generated Node #2: [21, 71, 22] from Operation: 78-56=22 Current State: 71:[21, 71, 22], Operations: ['78-56=22'] Exploring Operation: 22-21=1, Resulting Numbers: [71, 1] Generated Node #3: [71, 1] from Operation: 22-21=1 Current State: 71:[71, 1], Operations: ['78-56=22', '22-21=1'] Exploring Operation: 71*1=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[56, 78, 21, 71], Operations: [] Exploring Operation: 56-21=35, Resulting Numbers: [78, 71, 35] Generated Node #0,0: 71:[78, 71, 35] Operation: 56-21=35 Exploring Operation: 78+21=99, Resulting Numbers: [56, 71, 99] Generated Node #0,1: 71:[56, 71, 99] Operation: 78+21=99 Exploring Operation: 56+21=77, Resulting Numbers: [78, 71, 77] Generated Node #0,2: 71:[78, 71, 77] Operation: 56+21=77 Exploring Operation: 78-21=57, Resulting Numbers: [56, 71, 57] Generated Node #0,3: 71:[56, 71, 57] Operation: 78-21=57 Moving to Node #0,2 Current State: 71:[78, 71, 77], Operations: ['56+21=77'] Exploring Operation: 78-71=7, Resulting Numbers: [77, 7] Generated Node #0,2,0: 71:[77, 7] Operation: 78-71=7 Exploring Operation: 78-77=1, Resulting Numbers: [71, 1] Generated Node #0,2,1: 71:[71, 1] Operation: 78-77=1 Exploring Operation: 77-71=6, Resulting Numbers: [78, 6] Generated Node #0,2,2: 71:[78, 6] Operation: 77-71=6 Exploring Operation: 78+71=149, Resulting Numbers: [77, 149] Generated Node #0,2,3: 71:[77, 149] Operation: 78+71=149 Moving to Node #0,3 Current State: 71:[56, 71, 57], Operations: ['78-21=57'] Exploring Operation: 56+57=113, Resulting Numbers: [71, 113] Generated Node #0,3,0: 71:[71, 113] Operation: 56+57=113 Exploring Operation: 56+71=127, Resulting Numbers: [57, 127] Generated Node #0,3,1: 71:[57, 127] Operation: 56+71=127 Exploring Operation: 71-56=15, Resulting Numbers: [57, 15] Generated Node #0,3,2: 71:[57, 15] Operation: 71-56=15 Exploring Operation: 57-56=1, Resulting Numbers: [71, 1] Generated Node #0,3,3: 71:[71, 1] Operation: 57-56=1 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 71:[71, 113], Operations: ['78-21=57', '56+57=113'] Exploring Operation: 113-71=42, Resulting Numbers: [42] 42,71 unequal: No Solution Exploring Operation: 71+113=184, Resulting Numbers: [184] 184,71 unequal: No Solution Exploring Operation: 71*113=8023, Resulting Numbers: [8023] 8023,71 unequal: No Solution No 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: 71:[57, 127], Operations: ['78-21=57', '56+71=127'] Exploring Operation: 57*127=7239, Resulting Numbers: [7239] 7239,71 unequal: No Solution Exploring Operation: 127-57=70, Resulting Numbers: [70] 70,71 unequal: No Solution Exploring Operation: 57+127=184, Resulting Numbers: [184] 184,71 unequal: No Solution No 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: 71:[57, 15], Operations: ['78-21=57', '71-56=15'] Exploring Operation: 57+15=72, Resulting Numbers: [72] 72,71 unequal: No Solution Exploring Operation: 57*15=855, Resulting Numbers: [855] 855,71 unequal: No Solution Exploring Operation: 57-15=42, Resulting Numbers: [42] 42,71 unequal: No Solution No 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: 71:[71, 1], Operations: ['78-21=57', '57-56=1'] Exploring Operation: 71/1=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[56, 78, 21, 71], Operations: [] Exploring Operation: 78-21=57, Resulting Numbers: [56, 71, 57] Generated Node #0,3: 71:[56, 71, 57] Operation: 78-21=57 Moving to Node #0,3 Current State: 71:[56, 71, 57], Operations: ['78-21=57'] Exploring Operation: 57-56=1, Resulting Numbers: [71, 1] Generated Node #0,3,3: 71:[71, 1] Operation: 57-56=1 Moving to Node #0,3,3 Current State: 71:[71, 1], Operations: ['78-21=57', '57-56=1'] Exploring Operation: 71/1=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_4
sum_heuristic
[ 49, 53, 52, 20 ]
29
[ "49-20=29", "53-52=1", "29*1=29" ]
Current State: 29:[49, 53, 52, 20], Operations: [] Exploring Operation: 49-20=29, Resulting Numbers: [53, 52, 29] Generated Node #2: [53, 52, 29] from Operation: 49-20=29 Current State: 29:[53, 52, 29], Operations: ['49-20=29'] Exploring Operation: 53-52=1, Resulting Numbers: [29, 1] Generated Node #3: [29, 1] from Operation: 53-52=1 Current State: 29:[29, 1], Operations: ['49-20=29', '53-52=1'] Exploring Operation: 29*1=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[49, 53, 52, 20], Operations: [] Exploring Operation: 52-20=32, Resulting Numbers: [49, 53, 32] Generated Node #0,0: 29:[49, 53, 32] Operation: 52-20=32 Exploring Operation: 49-20=29, Resulting Numbers: [53, 52, 29] Generated Node #0,1: 29:[53, 52, 29] Operation: 49-20=29 Exploring Operation: 53-20=33, Resulting Numbers: [49, 52, 33] Generated Node #0,2: 29:[49, 52, 33] Operation: 53-20=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[49, 53, 32], Operations: ['52-20=32'] Exploring Operation: 53-32=21, Resulting Numbers: [49, 21] Generated Node #0,0,0: 29:[49, 21] Operation: 53-32=21 Exploring Operation: 53-49=4, Resulting Numbers: [32, 4] Generated Node #0,0,1: 29:[32, 4] Operation: 53-49=4 Exploring Operation: 49-32=17, Resulting Numbers: [53, 17] Generated Node #0,0,2: 29:[53, 17] Operation: 49-32=17 Moving to Node #0,0,0 Current State: 29:[49, 21], Operations: ['52-20=32', '53-32=21'] Exploring Operation: 49-21=28, Resulting Numbers: [28] 28,29 unequal: No Solution Exploring Operation: 49*21=1029, Resulting Numbers: [1029] 1029,29 unequal: No Solution Exploring Operation: 49+21=70, Resulting Numbers: [70] 70,29 unequal: No Solution Moving to Node #0,0,1 Current State: 29:[32, 4], Operations: ['52-20=32', '53-49=4'] Exploring Operation: 32+4=36, Resulting Numbers: [36] 36,29 unequal: No Solution Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,29 unequal: No Solution Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,29 unequal: No Solution Moving to Node #0,0,2 Current State: 29:[53, 17], Operations: ['52-20=32', '49-32=17'] Exploring Operation: 53-17=36, Resulting Numbers: [36] 36,29 unequal: No Solution Exploring Operation: 53+17=70, Resulting Numbers: [70] 70,29 unequal: No Solution Exploring Operation: 53*17=901, Resulting Numbers: [901] 901,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[53, 52, 29], Operations: ['49-20=29'] Exploring Operation: 52-29=23, Resulting Numbers: [53, 23] Generated Node #0,1,0: 29:[53, 23] Operation: 52-29=23 Exploring Operation: 53-29=24, Resulting Numbers: [52, 24] Generated Node #0,1,1: 29:[52, 24] Operation: 53-29=24 Exploring Operation: 53-52=1, Resulting Numbers: [29, 1] Generated Node #0,1,2: 29:[29, 1] Operation: 53-52=1 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 29:[52, 24], Operations: ['49-20=29', '53-29=24'] Exploring Operation: 52+24=76, Resulting Numbers: [76] 76,29 unequal: No Solution Exploring Operation: 52*24=1248, Resulting Numbers: [1248] 1248,29 unequal: No Solution Exploring Operation: 52-24=28, Resulting Numbers: [28] 28,29 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 #0,1,2 Current State: 29:[29, 1], Operations: ['49-20=29', '53-52=1'] Exploring Operation: 29/1=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[49, 53, 52, 20], Operations: [] Exploring Operation: 49-20=29, Resulting Numbers: [53, 52, 29] Generated Node #0,1: 29:[53, 52, 29] Operation: 49-20=29 Moving to Node #0,1 Current State: 29:[53, 52, 29], Operations: ['49-20=29'] Exploring Operation: 53-52=1, Resulting Numbers: [29, 1] Generated Node #0,1,2: 29:[29, 1] Operation: 53-52=1 Moving to Node #0,1,2 Current State: 29:[29, 1], Operations: ['49-20=29', '53-52=1'] Exploring Operation: 29/1=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.977431
hs_3
sum_heuristic
[ 18, 49, 55, 34 ]
37
[ "55-49=6", "18/6=3", "34+3=37" ]
Current State: 37:[18, 49, 55, 34], Operations: [] Exploring Operation: 55-49=6, Resulting Numbers: [18, 34, 6] Generated Node #2: [18, 34, 6] from Operation: 55-49=6 Current State: 37:[18, 34, 6], Operations: ['55-49=6'] Exploring Operation: 18/6=3, Resulting Numbers: [34, 3] Generated Node #3: [34, 3] from Operation: 18/6=3 Current State: 37:[34, 3], Operations: ['55-49=6', '18/6=3'] Exploring Operation: 34+3=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[18, 49, 55, 34], Operations: [] Exploring Operation: 55-18=37, Resulting Numbers: [49, 34, 37] Generated Node #0,0: 37:[49, 34, 37] Operation: 55-18=37 Exploring Operation: 49-18=31, Resulting Numbers: [55, 34, 31] Generated Node #0,1: 37:[55, 34, 31] Operation: 49-18=31 Exploring Operation: 18+34=52, Resulting Numbers: [49, 55, 52] Generated Node #0,2: 37:[49, 55, 52] Operation: 18+34=52 Exploring Operation: 55-34=21, Resulting Numbers: [18, 49, 21] Generated Node #0,3: 37:[18, 49, 21] Operation: 55-34=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[49, 34, 37], Operations: ['55-18=37'] Exploring Operation: 49-37=12, Resulting Numbers: [34, 12] Generated Node #0,0,0: 37:[34, 12] Operation: 49-37=12 Exploring Operation: 49-34=15, Resulting Numbers: [37, 15] Generated Node #0,0,1: 37:[37, 15] Operation: 49-34=15 Exploring Operation: 34+37=71, Resulting Numbers: [49, 71] Generated Node #0,0,2: 37:[49, 71] Operation: 34+37=71 Exploring Operation: 49+34=83, Resulting Numbers: [37, 83] Generated Node #0,0,3: 37:[37, 83] Operation: 49+34=83 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 37:[37, 15], Operations: ['55-18=37', '49-34=15'] Exploring Operation: 37*15=555, Resulting Numbers: [555] 555,37 unequal: No Solution Exploring Operation: 37-15=22, Resulting Numbers: [22] 22,37 unequal: No Solution Exploring Operation: 37+15=52, Resulting Numbers: [52] 52,37 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 #0,0,0 Current State: 37:[34, 12], Operations: ['55-18=37', '49-37=12'] Exploring Operation: 34+12=46, Resulting Numbers: [46] 46,37 unequal: No Solution Exploring Operation: 34-12=22, Resulting Numbers: [22] 22,37 unequal: No Solution Exploring Operation: 34*12=408, Resulting Numbers: [408] 408,37 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 #0,0,2 Current State: 37:[49, 71], Operations: ['55-18=37', '34+37=71'] Exploring Operation: 49*71=3479, Resulting Numbers: [3479] 3479,37 unequal: No Solution Exploring Operation: 49+71=120, Resulting Numbers: [120] 120,37 unequal: No Solution Exploring Operation: 71-49=22, Resulting Numbers: [22] 22,37 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 #0,0,3 Current State: 37:[37, 83], Operations: ['55-18=37', '49+34=83'] Exploring Operation: 37*83=3071, Resulting Numbers: [3071] 3071,37 unequal: No Solution Exploring Operation: 83-37=46, Resulting Numbers: [46] 46,37 unequal: No Solution Exploring Operation: 37+83=120, Resulting Numbers: [120] 120,37 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 #0,1 Current State: 37:[55, 34, 31], Operations: ['49-18=31'] Exploring Operation: 55-34=21, Resulting Numbers: [31, 21] Generated Node #0,1,0: 37:[31, 21] Operation: 55-34=21 Exploring Operation: 55-31=24, Resulting Numbers: [34, 24] Generated Node #0,1,1: 37:[34, 24] Operation: 55-31=24 Exploring Operation: 55+31=86, Resulting Numbers: [34, 86] Generated Node #0,1,2: 37:[34, 86] Operation: 55+31=86 Exploring Operation: 34+31=65, Resulting Numbers: [55, 65] Generated Node #0,1,3: 37:[55, 65] Operation: 34+31=65 Moving to Node #0,1,1 Current State: 37:[34, 24], Operations: ['49-18=31', '55-31=24'] Exploring Operation: 34+24=58, Resulting Numbers: [58] 58,37 unequal: No Solution Exploring Operation: 34-24=10, Resulting Numbers: [10] 10,37 unequal: No Solution Exploring Operation: 34*24=816, Resulting Numbers: [816] 816,37 unequal: No Solution Moving to Node #0,1,0 Current State: 37:[31, 21], Operations: ['49-18=31', '55-34=21'] Exploring Operation: 31+21=52, Resulting Numbers: [52] 52,37 unequal: No Solution Exploring Operation: 31-21=10, Resulting Numbers: [10] 10,37 unequal: No Solution Exploring Operation: 31*21=651, Resulting Numbers: [651] 651,37 unequal: No Solution Moving to Node #0,1,3 Current State: 37:[55, 65], Operations: ['49-18=31', '34+31=65'] Exploring Operation: 55*65=3575, Resulting Numbers: [3575] 3575,37 unequal: No Solution Exploring Operation: 65-55=10, Resulting Numbers: [10] 10,37 unequal: No Solution Exploring Operation: 55+65=120, Resulting Numbers: [120] 120,37 unequal: No Solution Moving to Node #0,1,2 Current State: 37:[34, 86], Operations: ['49-18=31', '55+31=86'] Exploring Operation: 86-34=52, Resulting Numbers: [52] 52,37 unequal: No Solution Exploring Operation: 34*86=2924, Resulting Numbers: [2924] 2924,37 unequal: No Solution Exploring Operation: 34+86=120, Resulting Numbers: [120] 120,37 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:[49, 55, 52], Operations: ['18+34=52'] Exploring Operation: 49+55=104, Resulting Numbers: [52, 104] Generated Node #0,2,0: 37:[52, 104] Operation: 49+55=104 Exploring Operation: 55-49=6, Resulting Numbers: [52, 6] Generated Node #0,2,1: 37:[52, 6] Operation: 55-49=6 Exploring Operation: 55-52=3, Resulting Numbers: [49, 3] Generated Node #0,2,2: 37:[49, 3] Operation: 55-52=3 Exploring Operation: 52-49=3, Resulting Numbers: [55, 3] Generated Node #0,2,3: 37:[55, 3] Operation: 52-49=3 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 37:[52, 6], Operations: ['18+34=52', '55-49=6'] Exploring Operation: 52+6=58, Resulting Numbers: [58] 58,37 unequal: No Solution Exploring Operation: 52-6=46, Resulting Numbers: [46] 46,37 unequal: No Solution Exploring Operation: 52*6=312, Resulting Numbers: [312] 312,37 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:[49, 3], Operations: ['18+34=52', '55-52=3'] Exploring Operation: 49*3=147, Resulting Numbers: [147] 147,37 unequal: No Solution Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,37 unequal: No Solution Exploring Operation: 49+3=52, Resulting Numbers: [52] 52,37 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:[55, 3], Operations: ['18+34=52', '52-49=3'] Exploring Operation: 55*3=165, Resulting Numbers: [165] 165,37 unequal: No Solution Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,37 unequal: No Solution Exploring Operation: 55+3=58, Resulting Numbers: [58] 58,37 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 #0,2,0 Current State: 37:[52, 104], Operations: ['18+34=52', '49+55=104'] Exploring Operation: 104/52=2, Resulting Numbers: [2] 2,37 unequal: No Solution Exploring Operation: 52*104=5408, Resulting Numbers: [5408] 5408,37 unequal: No Solution Exploring Operation: 52+104=156, Resulting Numbers: [156] 156,37 unequal: No Solution Exploring Operation: 104-52=52, Resulting Numbers: [52] 52,37 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 #0,3 Current State: 37:[18, 49, 21], Operations: ['55-34=21'] Exploring Operation: 49-18=31, Resulting Numbers: [21, 31] Generated Node #0,3,0: 37:[21, 31] Operation: 49-18=31 Exploring Operation: 18+49=67, Resulting Numbers: [21, 67] Generated Node #0,3,1: 37:[21, 67] Operation: 18+49=67 Exploring Operation: 18+21=39, Resulting Numbers: [49, 39] Generated Node #0,3,2: 37:[49, 39] Operation: 18+21=39 Exploring Operation: 49-21=28, Resulting Numbers: [18, 28] Generated Node #0,3,3: 37:[18, 28] Operation: 49-21=28 Moving to Node #0,3,2 Current State: 37:[49, 39], Operations: ['55-34=21', '18+21=39'] Exploring Operation: 49*39=1911, Resulting Numbers: [1911] 1911,37 unequal: No Solution Exploring Operation: 49-39=10, Resulting Numbers: [10] 10,37 unequal: No Solution Exploring Operation: 49+39=88, Resulting Numbers: [88] 88,37 unequal: No Solution Moving to Node #0,3,0 Current State: 37:[21, 31], Operations: ['55-34=21', '49-18=31'] Exploring Operation: 21*31=651, Resulting Numbers: [651] 651,37 unequal: No Solution Exploring Operation: 21+31=52, Resulting Numbers: [52] 52,37 unequal: No Solution Exploring Operation: 31-21=10, Resulting Numbers: [10] 10,37 unequal: No Solution Moving to Node #0,3,3 Current State: 37:[18, 28], Operations: ['55-34=21', '49-21=28'] Exploring Operation: 28-18=10, Resulting Numbers: [10] 10,37 unequal: No Solution Exploring Operation: 18+28=46, Resulting Numbers: [46] 46,37 unequal: No Solution Exploring Operation: 18*28=504, Resulting Numbers: [504] 504,37 unequal: No Solution Moving to Node #0,3,1 Current State: 37:[21, 67], Operations: ['55-34=21', '18+49=67'] Exploring Operation: 67-21=46, Resulting Numbers: [46] 46,37 unequal: No Solution Exploring Operation: 21+67=88, Resulting Numbers: [88] 88,37 unequal: No Solution Exploring Operation: 21*67=1407, Resulting Numbers: [1407] 1407,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 15, 21, 23, 61 ]
48
[ "15+21=36", "23+61=84", "84-36=48" ]
Current State: 48:[15, 21, 23, 61], Operations: [] Exploring Operation: 15+21=36, Resulting Numbers: [23, 61, 36] Generated Node #2: [23, 61, 36] from Operation: 15+21=36 Current State: 48:[23, 61, 36], Operations: ['15+21=36'] Exploring Operation: 23+61=84, Resulting Numbers: [36, 84] Generated Node #3: [36, 84] from Operation: 23+61=84 Current State: 48:[36, 84], Operations: ['15+21=36', '23+61=84'] Exploring Operation: 84-36=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[15, 21, 23, 61], Operations: [] Exploring Operation: 21-15=6, Resulting Numbers: [23, 61, 6] Generated Node #0,0: 48:[23, 61, 6] Operation: 21-15=6 Exploring Operation: 61-21=40, Resulting Numbers: [15, 23, 40] Generated Node #0,1: 48:[15, 23, 40] Operation: 61-21=40 Exploring Operation: 61-15=46, Resulting Numbers: [21, 23, 46] Generated Node #0,2: 48:[21, 23, 46] Operation: 61-15=46 Start Sub Search at level 1: Moving to Node #0,2 Current State: 48:[21, 23, 46], Operations: ['61-15=46'] Exploring Operation: 46/23=2, Resulting Numbers: [21, 2] Generated Node #0,2,0: 48:[21, 2] Operation: 46/23=2 Exploring Operation: 23-21=2, Resulting Numbers: [46, 2] Generated Node #0,2,1: 48:[46, 2] Operation: 23-21=2 Exploring Operation: 46-21=25, Resulting Numbers: [23, 25] Generated Node #0,2,2: 48:[23, 25] Operation: 46-21=25 Moving to Node #0,2,1 Current State: 48:[46, 2], Operations: ['61-15=46', '23-21=2'] Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,48 unequal: No Solution Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,48 unequal: No Solution Exploring Operation: 46+2=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[15, 21, 23, 61], Operations: [] Exploring Operation: 61-15=46, Resulting Numbers: [21, 23, 46] Generated Node #0,2: 48:[21, 23, 46] Operation: 61-15=46 Moving to Node #0,2 Current State: 48:[21, 23, 46], Operations: ['61-15=46'] Exploring Operation: 23-21=2, Resulting Numbers: [46, 2] Generated Node #0,2,1: 48:[46, 2] Operation: 23-21=2 Moving to Node #0,2,1 Current State: 48:[46, 2], Operations: ['61-15=46', '23-21=2'] Exploring Operation: 46+2=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 15, 87, 62, 99 ]
59
[ "15+87=102", "62+99=161", "161-102=59" ]
Current State: 59:[15, 87, 62, 99], Operations: [] Exploring Operation: 15+87=102, Resulting Numbers: [62, 99, 102] Generated Node #2: [62, 99, 102] from Operation: 15+87=102 Current State: 59:[62, 99, 102], Operations: ['15+87=102'] Exploring Operation: 62+99=161, Resulting Numbers: [102, 161] Generated Node #3: [102, 161] from Operation: 62+99=161 Current State: 59:[102, 161], Operations: ['15+87=102', '62+99=161'] Exploring Operation: 161-102=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[15, 87, 62, 99], Operations: [] Exploring Operation: 87-15=72, Resulting Numbers: [62, 99, 72] Generated Node #0,0: 59:[62, 99, 72] Operation: 87-15=72 Exploring Operation: 99-15=84, Resulting Numbers: [87, 62, 84] Generated Node #0,1: 59:[87, 62, 84] Operation: 99-15=84 Moving to Node #0,0 Current State: 59:[62, 99, 72], Operations: ['87-15=72'] Exploring Operation: 99-62=37, Resulting Numbers: [72, 37] Generated Node #0,0,0: 59:[72, 37] Operation: 99-62=37 Exploring Operation: 99-72=27, Resulting Numbers: [62, 27] Generated Node #0,0,1: 59:[62, 27] Operation: 99-72=27 Moving to Node #0,1 Current State: 59:[87, 62, 84], Operations: ['99-15=84'] Exploring Operation: 87-62=25, Resulting Numbers: [84, 25] Generated Node #0,1,0: 59:[84, 25] Operation: 87-62=25 Exploring Operation: 87-84=3, Resulting Numbers: [62, 3] Generated Node #0,1,1: 59:[62, 3] Operation: 87-84=3 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 59:[84, 25], Operations: ['99-15=84', '87-62=25'] Exploring Operation: 84-25=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[15, 87, 62, 99], Operations: [] Exploring Operation: 99-15=84, Resulting Numbers: [87, 62, 84] Generated Node #0,1: 59:[87, 62, 84] Operation: 99-15=84 Moving to Node #0,1 Current State: 59:[87, 62, 84], Operations: ['99-15=84'] Exploring Operation: 87-62=25, Resulting Numbers: [84, 25] Generated Node #0,1,0: 59:[84, 25] Operation: 87-62=25 Moving to Node #0,1,0 Current State: 59:[84, 25], Operations: ['99-15=84', '87-62=25'] Exploring Operation: 84-25=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 40, 47, 1, 38 ]
23
[ "40-38=2", "47-1=46", "46/2=23" ]
Current State: 23:[40, 47, 1, 38], Operations: [] Exploring Operation: 40-38=2, Resulting Numbers: [47, 1, 2] Generated Node #2: [47, 1, 2] from Operation: 40-38=2 Current State: 23:[47, 1, 2], Operations: ['40-38=2'] Exploring Operation: 47-1=46, Resulting Numbers: [2, 46] Generated Node #3: [2, 46] from Operation: 47-1=46 Current State: 23:[2, 46], Operations: ['40-38=2', '47-1=46'] Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[40, 47, 1, 38], Operations: [] Exploring Operation: 47-40=7, Resulting Numbers: [1, 38, 7] Generated Node #0,0: 23:[1, 38, 7] Operation: 47-40=7 Exploring Operation: 40-1=39, Resulting Numbers: [47, 38, 39] Generated Node #0,1: 23:[47, 38, 39] Operation: 40-1=39 Exploring Operation: 47-1=46, Resulting Numbers: [40, 38, 46] Generated Node #0,2: 23:[40, 38, 46] Operation: 47-1=46 Exploring Operation: 47-38=9, Resulting Numbers: [40, 1, 9] Generated Node #0,3: 23:[40, 1, 9] Operation: 47-38=9 Moving to Node #0,0 Current State: 23:[1, 38, 7], Operations: ['47-40=7'] Exploring Operation: 1*38=38, Resulting Numbers: [7, 38] Generated Node #0,0,0: 23:[7, 38] Operation: 1*38=38 Exploring Operation: 38-7=31, Resulting Numbers: [1, 31] Generated Node #0,0,1: 23:[1, 31] Operation: 38-7=31 Exploring Operation: 1+7=8, Resulting Numbers: [38, 8] Generated Node #0,0,2: 23:[38, 8] Operation: 1+7=8 Exploring Operation: 38-1=37, Resulting Numbers: [7, 37] Generated Node #0,0,3: 23:[7, 37] Operation: 38-1=37 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 23:[1, 31], Operations: ['47-40=7', '38-7=31'] Exploring Operation: 31-1=30, Resulting Numbers: [30] 30,23 unequal: No Solution Exploring Operation: 1+31=32, Resulting Numbers: [32] 32,23 unequal: No Solution Exploring Operation: 1*31=31, Resulting Numbers: [31] 31,23 unequal: No Solution Exploring Operation: 31/1=31, Resulting Numbers: [31] 31,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 23:[38, 8], Operations: ['47-40=7', '1+7=8'] Exploring Operation: 38*8=304, Resulting Numbers: [304] 304,23 unequal: No Solution Exploring Operation: 38+8=46, Resulting Numbers: [46] 46,23 unequal: No Solution Exploring Operation: 38-8=30, Resulting Numbers: [30] 30,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 23:[7, 37], Operations: ['47-40=7', '38-1=37'] Exploring Operation: 7+37=44, Resulting Numbers: [44] 44,23 unequal: No Solution Exploring Operation: 37-7=30, Resulting Numbers: [30] 30,23 unequal: No Solution Exploring Operation: 7*37=259, Resulting Numbers: [259] 259,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 23:[7, 38], Operations: ['47-40=7', '1*38=38'] Exploring Operation: 7*38=266, Resulting Numbers: [266] 266,23 unequal: No Solution Exploring Operation: 7+38=45, Resulting Numbers: [45] 45,23 unequal: No Solution Exploring Operation: 38-7=31, Resulting Numbers: [31] 31,23 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: 23:[40, 1, 9], Operations: ['47-38=9'] Exploring Operation: 40-9=31, Resulting Numbers: [1, 31] Generated Node #0,3,0: 23:[1, 31] Operation: 40-9=31 Exploring Operation: 1+9=10, Resulting Numbers: [40, 10] Generated Node #0,3,1: 23:[40, 10] Operation: 1+9=10 Exploring Operation: 40*1=40, Resulting Numbers: [9, 40] Generated Node #0,3,2: 23:[9, 40] Operation: 40*1=40 Exploring Operation: 40-1=39, Resulting Numbers: [9, 39] Generated Node #0,3,3: 23:[9, 39] Operation: 40-1=39 Moving to Node #0,2 Current State: 23:[40, 38, 46], Operations: ['47-1=46'] Exploring Operation: 40+38=78, Resulting Numbers: [46, 78] Generated Node #0,2,0: 23:[46, 78] Operation: 40+38=78 Exploring Operation: 46-40=6, Resulting Numbers: [38, 6] Generated Node #0,2,1: 23:[38, 6] Operation: 46-40=6 Exploring Operation: 40-38=2, Resulting Numbers: [46, 2] Generated Node #0,2,2: 23:[46, 2] Operation: 40-38=2 Exploring Operation: 46-38=8, Resulting Numbers: [40, 8] Generated Node #0,2,3: 23:[40, 8] Operation: 46-38=8 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 23:[38, 6], Operations: ['47-1=46', '46-40=6'] Exploring Operation: 38+6=44, Resulting Numbers: [44] 44,23 unequal: No Solution Exploring Operation: 38-6=32, Resulting Numbers: [32] 32,23 unequal: No Solution Exploring Operation: 38*6=228, Resulting Numbers: [228] 228,23 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 #0,2,3 Current State: 23:[40, 8], Operations: ['47-1=46', '46-38=8'] Exploring Operation: 40*8=320, Resulting Numbers: [320] 320,23 unequal: No Solution Exploring Operation: 40/8=5, Resulting Numbers: [5] 5,23 unequal: No Solution Exploring Operation: 40+8=48, Resulting Numbers: [48] 48,23 unequal: No Solution Exploring Operation: 40-8=32, Resulting Numbers: [32] 32,23 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 #0,2,2 Current State: 23:[46, 2], Operations: ['47-1=46', '40-38=2'] Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,23 unequal: No Solution Exploring Operation: 46+2=48, Resulting Numbers: [48] 48,23 unequal: No Solution Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[40, 47, 1, 38], Operations: [] Exploring Operation: 47-1=46, Resulting Numbers: [40, 38, 46] Generated Node #0,2: 23:[40, 38, 46] Operation: 47-1=46 Moving to Node #0,2 Current State: 23:[40, 38, 46], Operations: ['47-1=46'] Exploring Operation: 40-38=2, Resulting Numbers: [46, 2] Generated Node #0,2,2: 23:[46, 2] Operation: 40-38=2 Moving to Node #0,2,2 Current State: 23:[46, 2], Operations: ['47-1=46', '40-38=2'] Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.962674
hs_4
sum_heuristic
[ 2, 76, 28, 36 ]
98
[ "28/2=14", "76+36=112", "112-14=98" ]
Current State: 98:[2, 76, 28, 36], Operations: [] Exploring Operation: 28/2=14, Resulting Numbers: [76, 36, 14] Generated Node #2: [76, 36, 14] from Operation: 28/2=14 Current State: 98:[76, 36, 14], Operations: ['28/2=14'] Exploring Operation: 76+36=112, Resulting Numbers: [14, 112] Generated Node #3: [14, 112] from Operation: 76+36=112 Current State: 98:[14, 112], Operations: ['28/2=14', '76+36=112'] Exploring Operation: 112-14=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[2, 76, 28, 36], Operations: [] Exploring Operation: 76-28=48, Resulting Numbers: [2, 36, 48] Generated Node #0,0: 98:[2, 36, 48] Operation: 76-28=48 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[2, 36, 48], Operations: ['76-28=48'] Exploring Operation: 48-36=12, Resulting Numbers: [2, 12] Generated Node #0,0,0: 98:[2, 12] Operation: 48-36=12 Moving to Node #0,0,0 Current State: 98:[2, 12], Operations: ['76-28=48', '48-36=12'] Exploring Operation: 2+12=14, Resulting Numbers: [14] 14,98 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
[ 58, 53, 51, 40 ]
43
[ "58-53=5", "40/5=8", "51-8=43" ]
Current State: 43:[58, 53, 51, 40], Operations: [] Exploring Operation: 58-53=5, Resulting Numbers: [51, 40, 5] Generated Node #2: [51, 40, 5] from Operation: 58-53=5 Current State: 43:[51, 40, 5], Operations: ['58-53=5'] Exploring Operation: 40/5=8, Resulting Numbers: [51, 8] Generated Node #3: [51, 8] from Operation: 40/5=8 Current State: 43:[51, 8], Operations: ['58-53=5', '40/5=8'] Exploring Operation: 51-8=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[58, 53, 51, 40], Operations: [] Exploring Operation: 53-40=13, Resulting Numbers: [58, 51, 13] Generated Node #0,0: 43:[58, 51, 13] Operation: 53-40=13 Exploring Operation: 58-53=5, Resulting Numbers: [51, 40, 5] Generated Node #0,1: 43:[51, 40, 5] Operation: 58-53=5 Exploring Operation: 58-51=7, Resulting Numbers: [53, 40, 7] Generated Node #0,2: 43:[53, 40, 7] Operation: 58-51=7 Exploring Operation: 58-40=18, Resulting Numbers: [53, 51, 18] Generated Node #0,3: 43:[53, 51, 18] Operation: 58-40=18 Start Sub Search at level 1: Moving to Node #0,3 Current State: 43:[53, 51, 18], Operations: ['58-40=18'] Exploring Operation: 53-18=35, Resulting Numbers: [51, 35] Generated Node #0,3,0: 43:[51, 35] Operation: 53-18=35 Exploring Operation: 51-18=33, Resulting Numbers: [53, 33] Generated Node #0,3,1: 43:[53, 33] Operation: 51-18=33 Exploring Operation: 51+18=69, Resulting Numbers: [53, 69] Generated Node #0,3,2: 43:[53, 69] Operation: 51+18=69 Exploring Operation: 53+18=71, Resulting Numbers: [51, 71] Generated Node #0,3,3: 43:[51, 71] Operation: 53+18=71 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 43:[51, 35], Operations: ['58-40=18', '53-18=35'] Exploring Operation: 51-35=16, Resulting Numbers: [16] 16,43 unequal: No Solution Exploring Operation: 51*35=1785, Resulting Numbers: [1785] 1785,43 unequal: No Solution Exploring Operation: 51+35=86, Resulting Numbers: [86] 86,43 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:[53, 33], Operations: ['58-40=18', '51-18=33'] Exploring Operation: 53-33=20, Resulting Numbers: [20] 20,43 unequal: No Solution Exploring Operation: 53+33=86, Resulting Numbers: [86] 86,43 unequal: No Solution Exploring Operation: 53*33=1749, Resulting Numbers: [1749] 1749,43 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:[53, 69], Operations: ['58-40=18', '51+18=69'] Exploring Operation: 69-53=16, Resulting Numbers: [16] 16,43 unequal: No Solution Exploring Operation: 53*69=3657, Resulting Numbers: [3657] 3657,43 unequal: No Solution Exploring Operation: 53+69=122, Resulting Numbers: [122] 122,43 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:[51, 71], Operations: ['58-40=18', '53+18=71'] Exploring Operation: 51+71=122, Resulting Numbers: [122] 122,43 unequal: No Solution Exploring Operation: 51*71=3621, Resulting Numbers: [3621] 3621,43 unequal: No Solution Exploring Operation: 71-51=20, Resulting Numbers: [20] 20,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[51, 40, 5], Operations: ['58-53=5'] Exploring Operation: 51-5=46, Resulting Numbers: [40, 46] Generated Node #0,1,0: 43:[40, 46] Operation: 51-5=46 Exploring Operation: 51+5=56, Resulting Numbers: [40, 56] Generated Node #0,1,1: 43:[40, 56] Operation: 51+5=56 Exploring Operation: 40-5=35, Resulting Numbers: [51, 35] Generated Node #0,1,2: 43:[51, 35] Operation: 40-5=35 Exploring Operation: 40+5=45, Resulting Numbers: [51, 45] Generated Node #0,1,3: 43:[51, 45] Operation: 40+5=45 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 43:[40, 46], Operations: ['58-53=5', '51-5=46'] Exploring Operation: 46-40=6, Resulting Numbers: [6] 6,43 unequal: No Solution Exploring Operation: 40*46=1840, Resulting Numbers: [1840] 1840,43 unequal: No Solution Exploring Operation: 40+46=86, Resulting Numbers: [86] 86,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 43:[51, 45], Operations: ['58-53=5', '40+5=45'] Exploring Operation: 51+45=96, Resulting Numbers: [96] 96,43 unequal: No Solution Exploring Operation: 51-45=6, Resulting Numbers: [6] 6,43 unequal: No Solution Exploring Operation: 51*45=2295, Resulting Numbers: [2295] 2295,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 43:[40, 56], Operations: ['58-53=5', '51+5=56'] Exploring Operation: 40+56=96, Resulting Numbers: [96] 96,43 unequal: No Solution Exploring Operation: 40*56=2240, Resulting Numbers: [2240] 2240,43 unequal: No Solution Exploring Operation: 56-40=16, Resulting Numbers: [16] 16,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 43:[51, 35], Operations: ['58-53=5', '40-5=35'] Exploring Operation: 51*35=1785, Resulting Numbers: [1785] 1785,43 unequal: No Solution Exploring Operation: 51-35=16, Resulting Numbers: [16] 16,43 unequal: No Solution Exploring Operation: 51+35=86, Resulting Numbers: [86] 86,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 43:[53, 40, 7], Operations: ['58-51=7'] Exploring Operation: 53+7=60, Resulting Numbers: [40, 60] Generated Node #0,2,0: 43:[40, 60] Operation: 53+7=60 Exploring Operation: 40+7=47, Resulting Numbers: [53, 47] Generated Node #0,2,1: 43:[53, 47] Operation: 40+7=47 Exploring Operation: 53-7=46, Resulting Numbers: [40, 46] Generated Node #0,2,2: 43:[40, 46] Operation: 53-7=46 Exploring Operation: 40-7=33, Resulting Numbers: [53, 33] Generated Node #0,2,3: 43:[53, 33] Operation: 40-7=33 Moving to Node #0,2,2 Current State: 43:[40, 46], Operations: ['58-51=7', '53-7=46'] Exploring Operation: 46-40=6, Resulting Numbers: [6] 6,43 unequal: No Solution Exploring Operation: 40+46=86, Resulting Numbers: [86] 86,43 unequal: No Solution Exploring Operation: 40*46=1840, Resulting Numbers: [1840] 1840,43 unequal: No Solution Moving to Node #0,2,1 Current State: 43:[53, 47], Operations: ['58-51=7', '40+7=47'] Exploring Operation: 53+47=100, Resulting Numbers: [100] 100,43 unequal: No Solution Exploring Operation: 53-47=6, Resulting Numbers: [6] 6,43 unequal: No Solution Exploring Operation: 53*47=2491, Resulting Numbers: [2491] 2491,43 unequal: No Solution Moving to Node #0,2,3 Current State: 43:[53, 33], Operations: ['58-51=7', '40-7=33'] Exploring Operation: 53-33=20, Resulting Numbers: [20] 20,43 unequal: No Solution Exploring Operation: 53*33=1749, Resulting Numbers: [1749] 1749,43 unequal: No Solution Exploring Operation: 53+33=86, Resulting Numbers: [86] 86,43 unequal: No Solution Moving to Node #0,2,0 Current State: 43:[40, 60], Operations: ['58-51=7', '53+7=60'] Exploring Operation: 60-40=20, Resulting Numbers: [20] 20,43 unequal: No Solution Exploring Operation: 40+60=100, Resulting Numbers: [100] 100,43 unequal: No Solution Exploring Operation: 40*60=2400, Resulting Numbers: [2400] 2400,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[58, 51, 13], Operations: ['53-40=13'] Exploring Operation: 51+13=64, Resulting Numbers: [58, 64] Generated Node #0,0,0: 43:[58, 64] Operation: 51+13=64 Exploring Operation: 58-13=45, Resulting Numbers: [51, 45] Generated Node #0,0,1: 43:[51, 45] Operation: 58-13=45 Exploring Operation: 58+13=71, Resulting Numbers: [51, 71] Generated Node #0,0,2: 43:[51, 71] Operation: 58+13=71 Exploring Operation: 51-13=38, Resulting Numbers: [58, 38] Generated Node #0,0,3: 43:[58, 38] Operation: 51-13=38 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 43:[51, 45], Operations: ['53-40=13', '58-13=45'] Exploring Operation: 51-45=6, Resulting Numbers: [6] 6,43 unequal: No Solution Exploring Operation: 51*45=2295, Resulting Numbers: [2295] 2295,43 unequal: No Solution Exploring Operation: 51+45=96, Resulting Numbers: [96] 96,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 43:[58, 38], Operations: ['53-40=13', '51-13=38'] Exploring Operation: 58*38=2204, Resulting Numbers: [2204] 2204,43 unequal: No Solution Exploring Operation: 58+38=96, Resulting Numbers: [96] 96,43 unequal: No Solution Exploring Operation: 58-38=20, Resulting Numbers: [20] 20,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 43:[58, 64], Operations: ['53-40=13', '51+13=64'] Exploring Operation: 64-58=6, Resulting Numbers: [6] 6,43 unequal: No Solution Exploring Operation: 58+64=122, Resulting Numbers: [122] 122,43 unequal: No Solution Exploring Operation: 58*64=3712, Resulting Numbers: [3712] 3712,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 43:[51, 71], Operations: ['53-40=13', '58+13=71'] Exploring Operation: 51+71=122, Resulting Numbers: [122] 122,43 unequal: No Solution Exploring Operation: 71-51=20, Resulting Numbers: [20] 20,43 unequal: No Solution Exploring Operation: 51*71=3621, Resulting Numbers: [3621] 3621,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 29, 32, 84, 57 ]
34
[ "29+32=61", "84-57=27", "61-27=34" ]
Current State: 34:[29, 32, 84, 57], Operations: [] Exploring Operation: 29+32=61, Resulting Numbers: [84, 57, 61] Generated Node #2: [84, 57, 61] from Operation: 29+32=61 Current State: 34:[84, 57, 61], Operations: ['29+32=61'] Exploring Operation: 84-57=27, Resulting Numbers: [61, 27] Generated Node #3: [61, 27] from Operation: 84-57=27 Current State: 34:[61, 27], Operations: ['29+32=61', '84-57=27'] Exploring Operation: 61-27=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[29, 32, 84, 57], Operations: [] Exploring Operation: 84-29=55, Resulting Numbers: [32, 57, 55] Generated Node #0,0: 34:[32, 57, 55] Operation: 84-29=55 Exploring Operation: 84-57=27, Resulting Numbers: [29, 32, 27] Generated Node #0,1: 34:[29, 32, 27] Operation: 84-57=27 Exploring Operation: 84-32=52, Resulting Numbers: [29, 57, 52] Generated Node #0,2: 34:[29, 57, 52] Operation: 84-32=52 Moving to Node #0,1 Current State: 34:[29, 32, 27], Operations: ['84-57=27'] Exploring Operation: 29-27=2, Resulting Numbers: [32, 2] Generated Node #0,1,0: 34:[32, 2] Operation: 29-27=2 Exploring Operation: 32-27=5, Resulting Numbers: [29, 5] Generated Node #0,1,1: 34:[29, 5] Operation: 32-27=5 Exploring Operation: 32-29=3, Resulting Numbers: [27, 3] Generated Node #0,1,2: 34:[27, 3] Operation: 32-29=3 Moving to Node #0,0 Current State: 34:[32, 57, 55], Operations: ['84-29=55'] Exploring Operation: 57-55=2, Resulting Numbers: [32, 2] Generated Node #0,0,0: 34:[32, 2] Operation: 57-55=2 Exploring Operation: 55-32=23, Resulting Numbers: [57, 23] Generated Node #0,0,1: 34:[57, 23] Operation: 55-32=23 Exploring Operation: 57-32=25, Resulting Numbers: [55, 25] Generated Node #0,0,2: 34:[55, 25] Operation: 57-32=25 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 34:[32, 2], Operations: ['84-29=55', '57-55=2'] Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,34 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,34 unequal: No Solution Exploring Operation: 32+2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[29, 32, 84, 57], Operations: [] Exploring Operation: 84-29=55, Resulting Numbers: [32, 57, 55] Generated Node #0,0: 34:[32, 57, 55] Operation: 84-29=55 Moving to Node #0,0 Current State: 34:[32, 57, 55], Operations: ['84-29=55'] Exploring Operation: 57-55=2, Resulting Numbers: [32, 2] Generated Node #0,0,0: 34:[32, 2] Operation: 57-55=2 Moving to Node #0,0,0 Current State: 34:[32, 2], Operations: ['84-29=55', '57-55=2'] Exploring Operation: 32+2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
sum_heuristic
[ 66, 18, 63, 4 ]
84
[ "66+18=84", "84-63=21", "4*21=84" ]
Current State: 84:[66, 18, 63, 4], Operations: [] Exploring Operation: 66+18=84, Resulting Numbers: [63, 4, 84] Generated Node #2: [63, 4, 84] from Operation: 66+18=84 Current State: 84:[63, 4, 84], Operations: ['66+18=84'] Exploring Operation: 84-63=21, Resulting Numbers: [4, 21] Generated Node #3: [4, 21] from Operation: 84-63=21 Current State: 84:[4, 21], Operations: ['66+18=84', '84-63=21'] Exploring Operation: 4*21=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[66, 18, 63, 4], Operations: [] Exploring Operation: 66-63=3, Resulting Numbers: [18, 4, 3] Generated Node #0,0: 84:[18, 4, 3] Operation: 66-63=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[18, 4, 3], Operations: ['66-63=3'] Exploring Operation: 18-4=14, Resulting Numbers: [3, 14] Generated Node #0,0,0: 84:[3, 14] Operation: 18-4=14 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 84:[3, 14], Operations: ['66-63=3', '18-4=14'] Exploring Operation: 3*14=42, Resulting Numbers: [42] 42,84 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
[ 66, 89, 64, 81 ]
97
[ "66-64=2", "89*2=178", "178-81=97" ]
Current State: 97:[66, 89, 64, 81], Operations: [] Exploring Operation: 66-64=2, Resulting Numbers: [89, 81, 2] Generated Node #2: [89, 81, 2] from Operation: 66-64=2 Current State: 97:[89, 81, 2], Operations: ['66-64=2'] Exploring Operation: 89*2=178, Resulting Numbers: [81, 178] Generated Node #3: [81, 178] from Operation: 89*2=178 Current State: 97:[81, 178], Operations: ['66-64=2', '89*2=178'] Exploring Operation: 178-81=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[66, 89, 64, 81], Operations: [] Exploring Operation: 66+64=130, Resulting Numbers: [89, 81, 130] Generated Node #0,0: 97:[89, 81, 130] Operation: 66+64=130 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[89, 81, 130], Operations: ['66+64=130'] Exploring Operation: 130-81=49, Resulting Numbers: [89, 49] Generated Node #0,0,0: 97:[89, 49] Operation: 130-81=49 Moving to Node #0,0,0 Current State: 97:[89, 49], Operations: ['66+64=130', '130-81=49'] Exploring Operation: 89+49=138, Resulting Numbers: [138] 138,97 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
[ 33, 88, 75, 62 ]
66
[ "88+62=150", "33*150=4950", "4950/75=66" ]
Current State: 66:[33, 88, 75, 62], Operations: [] Exploring Operation: 88+62=150, Resulting Numbers: [33, 75, 150] Generated Node #2: [33, 75, 150] from Operation: 88+62=150 Current State: 66:[33, 75, 150], Operations: ['88+62=150'] Exploring Operation: 33*150=4950, Resulting Numbers: [75, 4950] Generated Node #3: [75, 4950] from Operation: 33*150=4950 Current State: 66:[75, 4950], Operations: ['88+62=150', '33*150=4950'] Exploring Operation: 4950/75=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[33, 88, 75, 62], Operations: [] Exploring Operation: 88-75=13, Resulting Numbers: [33, 62, 13] Generated Node #0,0: 66:[33, 62, 13] Operation: 88-75=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[33, 62, 13], Operations: ['88-75=13'] Exploring Operation: 62-33=29, Resulting Numbers: [13, 29] Generated Node #0,0,0: 66:[13, 29] Operation: 62-33=29 Moving to Node #0,0,0 Current State: 66:[13, 29], Operations: ['88-75=13', '62-33=29'] Exploring Operation: 29-13=16, Resulting Numbers: [16] 16,66 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
[ 97, 89, 2, 59 ]
34
[ "97+89=186", "186/2=93", "93-59=34" ]
Current State: 34:[97, 89, 2, 59], Operations: [] Exploring Operation: 97+89=186, Resulting Numbers: [2, 59, 186] Generated Node #2: [2, 59, 186] from Operation: 97+89=186 Current State: 34:[2, 59, 186], Operations: ['97+89=186'] Exploring Operation: 186/2=93, Resulting Numbers: [59, 93] Generated Node #3: [59, 93] from Operation: 186/2=93 Current State: 34:[59, 93], Operations: ['97+89=186', '186/2=93'] Exploring Operation: 93-59=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[97, 89, 2, 59], Operations: [] Exploring Operation: 97-59=38, Resulting Numbers: [89, 2, 38] Generated Node #0,0: 34:[89, 2, 38] Operation: 97-59=38 Exploring Operation: 97-2=95, Resulting Numbers: [89, 59, 95] Generated Node #0,1: 34:[89, 59, 95] Operation: 97-2=95 Exploring Operation: 89-59=30, Resulting Numbers: [97, 2, 30] Generated Node #0,2: 34:[97, 2, 30] Operation: 89-59=30 Exploring Operation: 97-89=8, Resulting Numbers: [2, 59, 8] Generated Node #0,3: 34:[2, 59, 8] Operation: 97-89=8 Exploring Operation: 89-2=87, Resulting Numbers: [97, 59, 87] Generated Node #0,4: 34:[97, 59, 87] Operation: 89-2=87 Moving to Node #0,3 Current State: 34:[2, 59, 8], Operations: ['97-89=8'] Exploring Operation: 2*8=16, Resulting Numbers: [59, 16] Generated Node #0,3,0: 34:[59, 16] Operation: 2*8=16 Exploring Operation: 8/2=4, Resulting Numbers: [59, 4] Generated Node #0,3,1: 34:[59, 4] Operation: 8/2=4 Exploring Operation: 59-8=51, Resulting Numbers: [2, 51] Generated Node #0,3,2: 34:[2, 51] Operation: 59-8=51 Exploring Operation: 59-2=57, Resulting Numbers: [8, 57] Generated Node #0,3,3: 34:[8, 57] Operation: 59-2=57 Exploring Operation: 8-2=6, Resulting Numbers: [59, 6] Generated Node #0,3,4: 34:[59, 6] Operation: 8-2=6 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 34:[2, 51], Operations: ['97-89=8', '59-8=51'] Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,34 unequal: No Solution Exploring Operation: 2*51=102, Resulting Numbers: [102] 102,34 unequal: No Solution Exploring Operation: 2+51=53, Resulting Numbers: [53] 53,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 34:[59, 16], Operations: ['97-89=8', '2*8=16'] Exploring Operation: 59*16=944, Resulting Numbers: [944] 944,34 unequal: No Solution Exploring Operation: 59+16=75, Resulting Numbers: [75] 75,34 unequal: No Solution Exploring Operation: 59-16=43, Resulting Numbers: [43] 43,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 34:[59, 4], Operations: ['97-89=8', '8/2=4'] Exploring Operation: 59*4=236, Resulting Numbers: [236] 236,34 unequal: No Solution Exploring Operation: 59-4=55, Resulting Numbers: [55] 55,34 unequal: No Solution Exploring Operation: 59+4=63, Resulting Numbers: [63] 63,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 34:[8, 57], Operations: ['97-89=8', '59-2=57'] Exploring Operation: 8*57=456, Resulting Numbers: [456] 456,34 unequal: No Solution Exploring Operation: 57-8=49, Resulting Numbers: [49] 49,34 unequal: No Solution Exploring Operation: 8+57=65, Resulting Numbers: [65] 65,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 34:[59, 6], Operations: ['97-89=8', '8-2=6'] Exploring Operation: 59*6=354, Resulting Numbers: [354] 354,34 unequal: No Solution Exploring Operation: 59+6=65, Resulting Numbers: [65] 65,34 unequal: No Solution Exploring Operation: 59-6=53, Resulting Numbers: [53] 53,34 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: 34:[89, 2, 38], Operations: ['97-59=38'] Exploring Operation: 89-38=51, Resulting Numbers: [2, 51] Generated Node #0,0,0: 34:[2, 51] Operation: 89-38=51 Exploring Operation: 38/2=19, Resulting Numbers: [89, 19] Generated Node #0,0,1: 34:[89, 19] Operation: 38/2=19 Exploring Operation: 89-2=87, Resulting Numbers: [38, 87] Generated Node #0,0,2: 34:[38, 87] Operation: 89-2=87 Exploring Operation: 89+2=91, Resulting Numbers: [38, 91] Generated Node #0,0,3: 34:[38, 91] Operation: 89+2=91 Exploring Operation: 38-2=36, Resulting Numbers: [89, 36] Generated Node #0,0,4: 34:[89, 36] Operation: 38-2=36 Moving to Node #0,2 Current State: 34:[97, 2, 30], Operations: ['89-59=30'] Exploring Operation: 30/2=15, Resulting Numbers: [97, 15] Generated Node #0,2,0: 34:[97, 15] Operation: 30/2=15 Exploring Operation: 97-2=95, Resulting Numbers: [30, 95] Generated Node #0,2,1: 34:[30, 95] Operation: 97-2=95 Exploring Operation: 2+30=32, Resulting Numbers: [97, 32] Generated Node #0,2,2: 34:[97, 32] Operation: 2+30=32 Exploring Operation: 97-30=67, Resulting Numbers: [2, 67] Generated Node #0,2,3: 34:[2, 67] Operation: 97-30=67 Exploring Operation: 97+2=99, Resulting Numbers: [30, 99] Generated Node #0,2,4: 34:[30, 99] Operation: 97+2=99 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 34:[2, 67], Operations: ['89-59=30', '97-30=67'] Exploring Operation: 2*67=134, Resulting Numbers: [134] 134,34 unequal: No Solution Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,34 unequal: No Solution Exploring Operation: 2+67=69, Resulting Numbers: [69] 69,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 34:[97, 15], Operations: ['89-59=30', '30/2=15'] Exploring Operation: 97+15=112, Resulting Numbers: [112] 112,34 unequal: No Solution Exploring Operation: 97-15=82, Resulting Numbers: [82] 82,34 unequal: No Solution Exploring Operation: 97*15=1455, Resulting Numbers: [1455] 1455,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 34:[30, 95], Operations: ['89-59=30', '97-2=95'] Exploring Operation: 95-30=65, Resulting Numbers: [65] 65,34 unequal: No Solution Exploring Operation: 30+95=125, Resulting Numbers: [125] 125,34 unequal: No Solution Exploring Operation: 30*95=2850, Resulting Numbers: [2850] 2850,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 34:[97, 32], Operations: ['89-59=30', '2+30=32'] Exploring Operation: 97+32=129, Resulting Numbers: [129] 129,34 unequal: No Solution Exploring Operation: 97-32=65, Resulting Numbers: [65] 65,34 unequal: No Solution Exploring Operation: 97*32=3104, Resulting Numbers: [3104] 3104,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 34:[30, 99], Operations: ['89-59=30', '97+2=99'] Exploring Operation: 99-30=69, Resulting Numbers: [69] 69,34 unequal: No Solution Exploring Operation: 30+99=129, Resulting Numbers: [129] 129,34 unequal: No Solution Exploring Operation: 30*99=2970, Resulting Numbers: [2970] 2970,34 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: 34:[89, 59, 95], Operations: ['97-2=95'] Exploring Operation: 89-59=30, Resulting Numbers: [95, 30] Generated Node #0,1,0: 34:[95, 30] Operation: 89-59=30 Exploring Operation: 95-59=36, Resulting Numbers: [89, 36] Generated Node #0,1,1: 34:[89, 36] Operation: 95-59=36 Exploring Operation: 95-89=6, Resulting Numbers: [59, 6] Generated Node #0,1,2: 34:[59, 6] Operation: 95-89=6 Exploring Operation: 89+95=184, Resulting Numbers: [59, 184] Generated Node #0,1,3: 34:[59, 184] Operation: 89+95=184 Exploring Operation: 89+59=148, Resulting Numbers: [95, 148] Generated Node #0,1,4: 34:[95, 148] Operation: 89+59=148 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 34:[59, 6], Operations: ['97-2=95', '95-89=6'] Exploring Operation: 59-6=53, Resulting Numbers: [53] 53,34 unequal: No Solution Exploring Operation: 59+6=65, Resulting Numbers: [65] 65,34 unequal: No Solution Exploring Operation: 59*6=354, Resulting Numbers: [354] 354,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 34:[89, 36], Operations: ['97-2=95', '95-59=36'] Exploring Operation: 89-36=53, Resulting Numbers: [53] 53,34 unequal: No Solution Exploring Operation: 89*36=3204, Resulting Numbers: [3204] 3204,34 unequal: No Solution Exploring Operation: 89+36=125, Resulting Numbers: [125] 125,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 34:[95, 30], Operations: ['97-2=95', '89-59=30'] Exploring Operation: 95+30=125, Resulting Numbers: [125] 125,34 unequal: No Solution Exploring Operation: 95*30=2850, Resulting Numbers: [2850] 2850,34 unequal: No Solution Exploring Operation: 95-30=65, Resulting Numbers: [65] 65,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 34:[59, 184], Operations: ['97-2=95', '89+95=184'] Exploring Operation: 59*184=10856, Resulting Numbers: [10856] 10856,34 unequal: No Solution Exploring Operation: 59+184=243, Resulting Numbers: [243] 243,34 unequal: No Solution Exploring Operation: 184-59=125, Resulting Numbers: [125] 125,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 34:[95, 148], Operations: ['97-2=95', '89+59=148'] Exploring Operation: 95+148=243, Resulting Numbers: [243] 243,34 unequal: No Solution Exploring Operation: 95*148=14060, Resulting Numbers: [14060] 14060,34 unequal: No Solution Exploring Operation: 148-95=53, Resulting Numbers: [53] 53,34 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: 34:[97, 59, 87], Operations: ['89-2=87'] Exploring Operation: 97+87=184, Resulting Numbers: [59, 184] Generated Node #0,4,0: 34:[59, 184] Operation: 97+87=184 Exploring Operation: 97+59=156, Resulting Numbers: [87, 156] Generated Node #0,4,1: 34:[87, 156] Operation: 97+59=156 Exploring Operation: 87-59=28, Resulting Numbers: [97, 28] Generated Node #0,4,2: 34:[97, 28] Operation: 87-59=28 Exploring Operation: 97-87=10, Resulting Numbers: [59, 10] Generated Node #0,4,3: 34:[59, 10] Operation: 97-87=10 Exploring Operation: 97-59=38, Resulting Numbers: [87, 38] Generated Node #0,4,4: 34:[87, 38] Operation: 97-59=38 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 34:[59, 10], Operations: ['89-2=87', '97-87=10'] Exploring Operation: 59*10=590, Resulting Numbers: [590] 590,34 unequal: No Solution Exploring Operation: 59-10=49, Resulting Numbers: [49] 49,34 unequal: No Solution Exploring Operation: 59+10=69, Resulting Numbers: [69] 69,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 34:[87, 38], Operations: ['89-2=87', '97-59=38'] Exploring Operation: 87-38=49, Resulting Numbers: [49] 49,34 unequal: No Solution Exploring Operation: 87*38=3306, Resulting Numbers: [3306] 3306,34 unequal: No Solution Exploring Operation: 87+38=125, Resulting Numbers: [125] 125,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 34:[97, 28], Operations: ['89-2=87', '87-59=28'] Exploring Operation: 97-28=69, Resulting Numbers: [69] 69,34 unequal: No Solution Exploring Operation: 97+28=125, Resulting Numbers: [125] 125,34 unequal: No Solution Exploring Operation: 97*28=2716, Resulting Numbers: [2716] 2716,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 34:[59, 184], Operations: ['89-2=87', '97+87=184'] Exploring Operation: 184-59=125, Resulting Numbers: [125] 125,34 unequal: No Solution Exploring Operation: 59*184=10856, Resulting Numbers: [10856] 10856,34 unequal: No Solution Exploring Operation: 59+184=243, Resulting Numbers: [243] 243,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 34:[87, 156], Operations: ['89-2=87', '97+59=156'] Exploring Operation: 87+156=243, Resulting Numbers: [243] 243,34 unequal: No Solution Exploring Operation: 87*156=13572, Resulting Numbers: [13572] 13572,34 unequal: No Solution Exploring Operation: 156-87=69, Resulting Numbers: [69] 69,34 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: 34:[2, 51], Operations: ['97-59=38', '89-38=51'] Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,34 unequal: No Solution Exploring Operation: 2+51=53, Resulting Numbers: [53] 53,34 unequal: No Solution Exploring Operation: 2*51=102, Resulting Numbers: [102] 102,34 unequal: No Solution Moving to Node #0,0,2 Current State: 34:[38, 87], Operations: ['97-59=38', '89-2=87'] Exploring Operation: 87-38=49, Resulting Numbers: [49] 49,34 unequal: No Solution Exploring Operation: 38*87=3306, Resulting Numbers: [3306] 3306,34 unequal: No Solution Exploring Operation: 38+87=125, Resulting Numbers: [125] 125,34 unequal: No Solution Moving to Node #0,0,1 Current State: 34:[89, 19], Operations: ['97-59=38', '38/2=19'] Exploring Operation: 89+19=108, Resulting Numbers: [108] 108,34 unequal: No Solution Exploring Operation: 89-19=70, Resulting Numbers: [70] 70,34 unequal: No Solution Exploring Operation: 89*19=1691, Resulting Numbers: [1691] 1691,34 unequal: No Solution Moving to Node #0,0,4 Current State: 34:[89, 36], Operations: ['97-59=38', '38-2=36'] Exploring Operation: 89-36=53, Resulting Numbers: [53] 53,34 unequal: No Solution Exploring Operation: 89*36=3204, Resulting Numbers: [3204] 3204,34 unequal: No Solution Exploring Operation: 89+36=125, Resulting Numbers: [125] 125,34 unequal: No Solution Moving to Node #0,0,3 Current State: 34:[38, 91], Operations: ['97-59=38', '89+2=91'] Exploring Operation: 38+91=129, Resulting Numbers: [129] 129,34 unequal: No Solution Exploring Operation: 38*91=3458, Resulting Numbers: [3458] 3458,34 unequal: No Solution Exploring Operation: 91-38=53, Resulting Numbers: [53] 53,34 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 24, 22, 86, 51 ]
94
[ "24-22=2", "86/2=43", "51+43=94" ]
Current State: 94:[24, 22, 86, 51], Operations: [] Exploring Operation: 24-22=2, Resulting Numbers: [86, 51, 2] Generated Node #2: [86, 51, 2] from Operation: 24-22=2 Current State: 94:[86, 51, 2], Operations: ['24-22=2'] Exploring Operation: 86/2=43, Resulting Numbers: [51, 43] Generated Node #3: [51, 43] from Operation: 86/2=43 Current State: 94:[51, 43], Operations: ['24-22=2', '86/2=43'] Exploring Operation: 51+43=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[24, 22, 86, 51], Operations: [] Exploring Operation: 24+86=110, Resulting Numbers: [22, 51, 110] Generated Node #0,0: 94:[22, 51, 110] Operation: 24+86=110 Exploring Operation: 22+86=108, Resulting Numbers: [24, 51, 108] Generated Node #0,1: 94:[24, 51, 108] Operation: 22+86=108 Exploring Operation: 24+22=46, Resulting Numbers: [86, 51, 46] Generated Node #0,2: 94:[86, 51, 46] Operation: 24+22=46 Exploring Operation: 86-24=62, Resulting Numbers: [22, 51, 62] Generated Node #0,3: 94:[22, 51, 62] Operation: 86-24=62 Exploring Operation: 24-22=2, Resulting Numbers: [86, 51, 2] Generated Node #0,4: 94:[86, 51, 2] Operation: 24-22=2 Start Sub Search at level 1: Moving to Node #0,4 Current State: 94:[86, 51, 2], Operations: ['24-22=2'] Exploring Operation: 86+2=88, Resulting Numbers: [51, 88] Generated Node #0,4,0: 94:[51, 88] Operation: 86+2=88 Exploring Operation: 86-2=84, Resulting Numbers: [51, 84] Generated Node #0,4,1: 94:[51, 84] Operation: 86-2=84 Exploring Operation: 86/2=43, Resulting Numbers: [51, 43] Generated Node #0,4,2: 94:[51, 43] Operation: 86/2=43 Exploring Operation: 86-51=35, Resulting Numbers: [2, 35] Generated Node #0,4,3: 94:[2, 35] Operation: 86-51=35 Exploring Operation: 51-2=49, Resulting Numbers: [86, 49] Generated Node #0,4,4: 94:[86, 49] Operation: 51-2=49 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 94:[51, 43], Operations: ['24-22=2', '86/2=43'] Exploring Operation: 51-43=8, Resulting Numbers: [8] 8,94 unequal: No Solution Exploring Operation: 51*43=2193, Resulting Numbers: [2193] 2193,94 unequal: No Solution Exploring Operation: 51+43=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[24, 22, 86, 51], Operations: [] Exploring Operation: 24-22=2, Resulting Numbers: [86, 51, 2] Generated Node #0,4: 94:[86, 51, 2] Operation: 24-22=2 Moving to Node #0,4 Current State: 94:[86, 51, 2], Operations: ['24-22=2'] Exploring Operation: 86/2=43, Resulting Numbers: [51, 43] Generated Node #0,4,2: 94:[51, 43] Operation: 86/2=43 Moving to Node #0,4,2 Current State: 94:[51, 43], Operations: ['24-22=2', '86/2=43'] Exploring Operation: 51+43=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 45, 37, 19, 30 ]
19
[ "45-37=8", "30-19=11", "8+11=19" ]
Current State: 19:[45, 37, 19, 30], Operations: [] Exploring Operation: 45-37=8, Resulting Numbers: [19, 30, 8] Generated Node #2: [19, 30, 8] from Operation: 45-37=8 Current State: 19:[19, 30, 8], Operations: ['45-37=8'] Exploring Operation: 30-19=11, Resulting Numbers: [8, 11] Generated Node #3: [8, 11] from Operation: 30-19=11 Current State: 19:[8, 11], Operations: ['45-37=8', '30-19=11'] Exploring Operation: 8+11=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[45, 37, 19, 30], Operations: [] Exploring Operation: 45-30=15, Resulting Numbers: [37, 19, 15] Generated Node #0,0: 19:[37, 19, 15] Operation: 45-30=15 Exploring Operation: 45-19=26, Resulting Numbers: [37, 30, 26] Generated Node #0,1: 19:[37, 30, 26] Operation: 45-19=26 Exploring Operation: 37-19=18, Resulting Numbers: [45, 30, 18] Generated Node #0,2: 19:[45, 30, 18] Operation: 37-19=18 Exploring Operation: 45-37=8, Resulting Numbers: [19, 30, 8] Generated Node #0,3: 19:[19, 30, 8] Operation: 45-37=8 Moving to Node #0,0 Current State: 19:[37, 19, 15], Operations: ['45-30=15'] Exploring Operation: 37-15=22, Resulting Numbers: [19, 22] Generated Node #0,0,0: 19:[19, 22] Operation: 37-15=22 Exploring Operation: 37-19=18, Resulting Numbers: [15, 18] Generated Node #0,0,1: 19:[15, 18] Operation: 37-19=18 Exploring Operation: 19+15=34, Resulting Numbers: [37, 34] Generated Node #0,0,2: 19:[37, 34] Operation: 19+15=34 Exploring Operation: 37+15=52, Resulting Numbers: [19, 52] Generated Node #0,0,3: 19:[19, 52] Operation: 37+15=52 Moving to Node #0,3 Current State: 19:[19, 30, 8], Operations: ['45-37=8'] Exploring Operation: 30-8=22, Resulting Numbers: [19, 22] Generated Node #0,3,0: 19:[19, 22] Operation: 30-8=22 Exploring Operation: 30-19=11, Resulting Numbers: [8, 11] Generated Node #0,3,1: 19:[8, 11] Operation: 30-19=11 Exploring Operation: 19-8=11, Resulting Numbers: [30, 11] Generated Node #0,3,2: 19:[30, 11] Operation: 19-8=11 Exploring Operation: 19+8=27, Resulting Numbers: [30, 27] Generated Node #0,3,3: 19:[30, 27] Operation: 19+8=27 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 19:[19, 22], Operations: ['45-37=8', '30-8=22'] Exploring Operation: 19+22=41, Resulting Numbers: [41] 41,19 unequal: No Solution Exploring Operation: 22-19=3, Resulting Numbers: [3] 3,19 unequal: No Solution Exploring Operation: 19*22=418, Resulting Numbers: [418] 418,19 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:[8, 11], Operations: ['45-37=8', '30-19=11'] Exploring Operation: 8*11=88, Resulting Numbers: [88] 88,19 unequal: No Solution Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,19 unequal: No Solution Exploring Operation: 8+11=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[45, 37, 19, 30], Operations: [] Exploring Operation: 45-37=8, Resulting Numbers: [19, 30, 8] Generated Node #0,3: 19:[19, 30, 8] Operation: 45-37=8 Moving to Node #0,3 Current State: 19:[19, 30, 8], Operations: ['45-37=8'] Exploring Operation: 30-19=11, Resulting Numbers: [8, 11] Generated Node #0,3,1: 19:[8, 11] Operation: 30-19=11 Moving to Node #0,3,1 Current State: 19:[8, 11], Operations: ['45-37=8', '30-19=11'] Exploring Operation: 8+11=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_4
mult_heuristic
[ 79, 72, 77, 81 ]
28
[ "79-72=7", "81-77=4", "7*4=28" ]
Current State: 28:[79, 72, 77, 81], Operations: [] Exploring Operation: 79-72=7, Resulting Numbers: [77, 81, 7] Generated Node #2: [77, 81, 7] from Operation: 79-72=7 Current State: 28:[77, 81, 7], Operations: ['79-72=7'] Exploring Operation: 81-77=4, Resulting Numbers: [7, 4] Generated Node #3: [7, 4] from Operation: 81-77=4 Current State: 28:[7, 4], Operations: ['79-72=7', '81-77=4'] Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[79, 72, 77, 81], Operations: [] Exploring Operation: 81-72=9, Resulting Numbers: [79, 77, 9] Generated Node #0,0: 28:[79, 77, 9] Operation: 81-72=9 Exploring Operation: 81-79=2, Resulting Numbers: [72, 77, 2] Generated Node #0,1: 28:[72, 77, 2] Operation: 81-79=2 Exploring Operation: 79-72=7, Resulting Numbers: [77, 81, 7] Generated Node #0,2: 28:[77, 81, 7] Operation: 79-72=7 Exploring Operation: 81-77=4, Resulting Numbers: [79, 72, 4] Generated Node #0,3: 28:[79, 72, 4] Operation: 81-77=4 Exploring Operation: 79-77=2, Resulting Numbers: [72, 81, 2] Generated Node #0,4: 28:[72, 81, 2] Operation: 79-77=2 Moving to Node #0,1 Current State: 28:[72, 77, 2], Operations: ['81-79=2'] Exploring Operation: 77-72=5, Resulting Numbers: [2, 5] Generated Node #0,1,0: 28:[2, 5] Operation: 77-72=5 Exploring Operation: 72+2=74, Resulting Numbers: [77, 74] Generated Node #0,1,1: 28:[77, 74] Operation: 72+2=74 Exploring Operation: 72-2=70, Resulting Numbers: [77, 70] Generated Node #0,1,2: 28:[77, 70] Operation: 72-2=70 Exploring Operation: 72/2=36, Resulting Numbers: [77, 36] Generated Node #0,1,3: 28:[77, 36] Operation: 72/2=36 Exploring Operation: 77-2=75, Resulting Numbers: [72, 75] Generated Node #0,1,4: 28:[72, 75] Operation: 77-2=75 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 28:[2, 5], Operations: ['81-79=2', '77-72=5'] Exploring Operation: 2+5=7, Resulting Numbers: [7] 7,28 unequal: No Solution Exploring Operation: 2*5=10, Resulting Numbers: [10] 10,28 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,28 unequal: No Solution No 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: 28:[77, 36], Operations: ['81-79=2', '72/2=36'] Exploring Operation: 77-36=41, Resulting Numbers: [41] 41,28 unequal: No Solution Exploring Operation: 77*36=2772, Resulting Numbers: [2772] 2772,28 unequal: No Solution Exploring Operation: 77+36=113, Resulting Numbers: [113] 113,28 unequal: No Solution No 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: 28:[77, 70], Operations: ['81-79=2', '72-2=70'] Exploring Operation: 77+70=147, Resulting Numbers: [147] 147,28 unequal: No Solution Exploring Operation: 77-70=7, Resulting Numbers: [7] 7,28 unequal: No Solution Exploring Operation: 77*70=5390, Resulting Numbers: [5390] 5390,28 unequal: No Solution No 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: 28:[72, 75], Operations: ['81-79=2', '77-2=75'] Exploring Operation: 72+75=147, Resulting Numbers: [147] 147,28 unequal: No Solution Exploring Operation: 72*75=5400, Resulting Numbers: [5400] 5400,28 unequal: No Solution Exploring Operation: 75-72=3, Resulting Numbers: [3] 3,28 unequal: No Solution No 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: 28:[77, 74], Operations: ['81-79=2', '72+2=74'] Exploring Operation: 77+74=151, Resulting Numbers: [151] 151,28 unequal: No Solution Exploring Operation: 77*74=5698, Resulting Numbers: [5698] 5698,28 unequal: No Solution Exploring Operation: 77-74=3, Resulting Numbers: [3] 3,28 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: 28:[79, 72, 4], Operations: ['81-77=4'] Exploring Operation: 79-72=7, Resulting Numbers: [4, 7] Generated Node #0,3,0: 28:[4, 7] Operation: 79-72=7 Exploring Operation: 79-4=75, Resulting Numbers: [72, 75] Generated Node #0,3,1: 28:[72, 75] Operation: 79-4=75 Exploring Operation: 79+4=83, Resulting Numbers: [72, 83] Generated Node #0,3,2: 28:[72, 83] Operation: 79+4=83 Exploring Operation: 72/4=18, Resulting Numbers: [79, 18] Generated Node #0,3,3: 28:[79, 18] Operation: 72/4=18 Exploring Operation: 72-4=68, Resulting Numbers: [79, 68] Generated Node #0,3,4: 28:[79, 68] Operation: 72-4=68 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 28:[4, 7], Operations: ['81-77=4', '79-72=7'] Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[79, 72, 77, 81], Operations: [] Exploring Operation: 81-77=4, Resulting Numbers: [79, 72, 4] Generated Node #0,3: 28:[79, 72, 4] Operation: 81-77=4 Moving to Node #0,3 Current State: 28:[79, 72, 4], Operations: ['81-77=4'] Exploring Operation: 79-72=7, Resulting Numbers: [4, 7] Generated Node #0,3,0: 28:[4, 7] Operation: 79-72=7 Moving to Node #0,3,0 Current State: 28:[4, 7], Operations: ['81-77=4', '79-72=7'] Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_5
sum_heuristic
[ 69, 33, 20, 72 ]
40
[ "69-33=36", "20*72=1440", "1440/36=40" ]
Current State: 40:[69, 33, 20, 72], Operations: [] Exploring Operation: 69-33=36, Resulting Numbers: [20, 72, 36] Generated Node #2: [20, 72, 36] from Operation: 69-33=36 Current State: 40:[20, 72, 36], Operations: ['69-33=36'] Exploring Operation: 20*72=1440, Resulting Numbers: [36, 1440] Generated Node #3: [36, 1440] from Operation: 20*72=1440 Current State: 40:[36, 1440], Operations: ['69-33=36', '20*72=1440'] Exploring Operation: 1440/36=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[69, 33, 20, 72], Operations: [] Exploring Operation: 72-69=3, Resulting Numbers: [33, 20, 3] Generated Node #0,0: 40:[33, 20, 3] Operation: 72-69=3 Exploring Operation: 69-20=49, Resulting Numbers: [33, 72, 49] Generated Node #0,1: 40:[33, 72, 49] Operation: 69-20=49 Exploring Operation: 72-33=39, Resulting Numbers: [69, 20, 39] Generated Node #0,2: 40:[69, 20, 39] Operation: 72-33=39 Exploring Operation: 69-33=36, Resulting Numbers: [20, 72, 36] Generated Node #0,3: 40:[20, 72, 36] Operation: 69-33=36 Moving to Node #0,0 Current State: 40:[33, 20, 3], Operations: ['72-69=3'] Exploring Operation: 33+3=36, Resulting Numbers: [20, 36] Generated Node #0,0,0: 40:[20, 36] Operation: 33+3=36 Exploring Operation: 33-20=13, Resulting Numbers: [3, 13] Generated Node #0,0,1: 40:[3, 13] Operation: 33-20=13 Exploring Operation: 33/3=11, Resulting Numbers: [20, 11] Generated Node #0,0,2: 40:[20, 11] Operation: 33/3=11 Exploring Operation: 33-3=30, Resulting Numbers: [20, 30] Generated Node #0,0,3: 40:[20, 30] Operation: 33-3=30 Moving to Node #0,2 Current State: 40:[69, 20, 39], Operations: ['72-33=39'] Exploring Operation: 69-20=49, Resulting Numbers: [39, 49] Generated Node #0,2,0: 40:[39, 49] Operation: 69-20=49 Exploring Operation: 69-39=30, Resulting Numbers: [20, 30] Generated Node #0,2,1: 40:[20, 30] Operation: 69-39=30 Exploring Operation: 39-20=19, Resulting Numbers: [69, 19] Generated Node #0,2,2: 40:[69, 19] Operation: 39-20=19 Exploring Operation: 20+39=59, Resulting Numbers: [69, 59] Generated Node #0,2,3: 40:[69, 59] Operation: 20+39=59 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 40:[39, 49], Operations: ['72-33=39', '69-20=49'] Exploring Operation: 39+49=88, Resulting Numbers: [88] 88,40 unequal: No Solution Exploring Operation: 49-39=10, Resulting Numbers: [10] 10,40 unequal: No Solution Exploring Operation: 39*49=1911, Resulting Numbers: [1911] 1911,40 unequal: No Solution No 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: 40:[20, 30], Operations: ['72-33=39', '69-39=30'] Exploring Operation: 30-20=10, Resulting Numbers: [10] 10,40 unequal: No Solution Exploring Operation: 20+30=50, Resulting Numbers: [50] 50,40 unequal: No Solution Exploring Operation: 20*30=600, Resulting Numbers: [600] 600,40 unequal: No Solution No 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: 40:[69, 19], Operations: ['72-33=39', '39-20=19'] Exploring Operation: 69*19=1311, Resulting Numbers: [1311] 1311,40 unequal: No Solution Exploring Operation: 69+19=88, Resulting Numbers: [88] 88,40 unequal: No Solution Exploring Operation: 69-19=50, Resulting Numbers: [50] 50,40 unequal: No Solution No 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: 40:[69, 59], Operations: ['72-33=39', '20+39=59'] Exploring Operation: 69+59=128, Resulting Numbers: [128] 128,40 unequal: No Solution Exploring Operation: 69-59=10, Resulting Numbers: [10] 10,40 unequal: No Solution Exploring Operation: 69*59=4071, Resulting Numbers: [4071] 4071,40 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: 40:[20, 72, 36], Operations: ['69-33=36'] Exploring Operation: 72/36=2, Resulting Numbers: [20, 2] Generated Node #0,3,0: 40:[20, 2] Operation: 72/36=2 Exploring Operation: 72-20=52, Resulting Numbers: [36, 52] Generated Node #0,3,1: 40:[36, 52] Operation: 72-20=52 Exploring Operation: 72-36=36, Resulting Numbers: [20, 36] Generated Node #0,3,2: 40:[20, 36] Operation: 72-36=36 Exploring Operation: 36-20=16, Resulting Numbers: [72, 16] Generated Node #0,3,3: 40:[72, 16] Operation: 36-20=16 Moving to Node #0,1 Current State: 40:[33, 72, 49], Operations: ['69-20=49'] Exploring Operation: 72-49=23, Resulting Numbers: [33, 23] Generated Node #0,1,0: 40:[33, 23] Operation: 72-49=23 Exploring Operation: 49-33=16, Resulting Numbers: [72, 16] Generated Node #0,1,1: 40:[72, 16] Operation: 49-33=16 Exploring Operation: 72-33=39, Resulting Numbers: [49, 39] Generated Node #0,1,2: 40:[49, 39] Operation: 72-33=39 Exploring Operation: 33+72=105, Resulting Numbers: [49, 105] Generated Node #0,1,3: 40:[49, 105] Operation: 33+72=105 Moving to Node #0,3,0 Current State: 40:[20, 2], Operations: ['69-33=36', '72/36=2'] Exploring Operation: 20+2=22, Resulting Numbers: [22] 22,40 unequal: No Solution Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,40 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,40 unequal: No Solution Exploring Operation: 20*2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[69, 33, 20, 72], Operations: [] Exploring Operation: 69-33=36, Resulting Numbers: [20, 72, 36] Generated Node #0,3: 40:[20, 72, 36] Operation: 69-33=36 Moving to Node #0,3 Current State: 40:[20, 72, 36], Operations: ['69-33=36'] Exploring Operation: 72/36=2, Resulting Numbers: [20, 2] Generated Node #0,3,0: 40:[20, 2] Operation: 72/36=2 Moving to Node #0,3,0 Current State: 40:[20, 2], Operations: ['69-33=36', '72/36=2'] Exploring Operation: 20*2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
0.965278
hs_4
sum_heuristic
[ 55, 99, 64, 58 ]
78
[ "99-55=44", "64+58=122", "122-44=78" ]
Current State: 78:[55, 99, 64, 58], Operations: [] Exploring Operation: 99-55=44, Resulting Numbers: [64, 58, 44] Generated Node #2: [64, 58, 44] from Operation: 99-55=44 Current State: 78:[64, 58, 44], Operations: ['99-55=44'] Exploring Operation: 64+58=122, Resulting Numbers: [44, 122] Generated Node #3: [44, 122] from Operation: 64+58=122 Current State: 78:[44, 122], Operations: ['99-55=44', '64+58=122'] Exploring Operation: 122-44=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[55, 99, 64, 58], Operations: [] Exploring Operation: 99-58=41, Resulting Numbers: [55, 64, 41] Generated Node #0,0: 78:[55, 64, 41] Operation: 99-58=41 Exploring Operation: 58-55=3, Resulting Numbers: [99, 64, 3] Generated Node #0,1: 78:[99, 64, 3] Operation: 58-55=3 Exploring Operation: 64-58=6, Resulting Numbers: [55, 99, 6] Generated Node #0,2: 78:[55, 99, 6] Operation: 64-58=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[55, 64, 41], Operations: ['99-58=41'] Exploring Operation: 55-41=14, Resulting Numbers: [64, 14] Generated Node #0,0,0: 78:[64, 14] Operation: 55-41=14 Exploring Operation: 64-55=9, Resulting Numbers: [41, 9] Generated Node #0,0,1: 78:[41, 9] Operation: 64-55=9 Exploring Operation: 64-41=23, Resulting Numbers: [55, 23] Generated Node #0,0,2: 78:[55, 23] Operation: 64-41=23 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 78:[41, 9], Operations: ['99-58=41', '64-55=9'] Exploring Operation: 41*9=369, Resulting Numbers: [369] 369,78 unequal: No Solution Exploring Operation: 41+9=50, Resulting Numbers: [50] 50,78 unequal: No Solution Exploring Operation: 41-9=32, Resulting Numbers: [32] 32,78 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 78:[64, 14], Operations: ['99-58=41', '55-41=14'] Exploring Operation: 64*14=896, Resulting Numbers: [896] 896,78 unequal: No Solution Exploring Operation: 64+14=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[55, 99, 64, 58], Operations: [] Exploring Operation: 99-58=41, Resulting Numbers: [55, 64, 41] Generated Node #0,0: 78:[55, 64, 41] Operation: 99-58=41 Moving to Node #0,0 Current State: 78:[55, 64, 41], Operations: ['99-58=41'] Exploring Operation: 55-41=14, Resulting Numbers: [64, 14] Generated Node #0,0,0: 78:[64, 14] Operation: 55-41=14 Moving to Node #0,0,0 Current State: 78:[64, 14], Operations: ['99-58=41', '55-41=14'] Exploring Operation: 64+14=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_3
mult_heuristic
[ 17, 81, 66, 90 ]
74
[ "17+81=98", "90-66=24", "98-24=74" ]
Current State: 74:[17, 81, 66, 90], Operations: [] Exploring Operation: 17+81=98, Resulting Numbers: [66, 90, 98] Generated Node #2: [66, 90, 98] from Operation: 17+81=98 Current State: 74:[66, 90, 98], Operations: ['17+81=98'] Exploring Operation: 90-66=24, Resulting Numbers: [98, 24] Generated Node #3: [98, 24] from Operation: 90-66=24 Current State: 74:[98, 24], Operations: ['17+81=98', '90-66=24'] Exploring Operation: 98-24=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[17, 81, 66, 90], Operations: [] Exploring Operation: 90-17=73, Resulting Numbers: [81, 66, 73] Generated Node #0,0: 74:[81, 66, 73] Operation: 90-17=73 Exploring Operation: 90-81=9, Resulting Numbers: [17, 66, 9] Generated Node #0,1: 74:[17, 66, 9] Operation: 90-81=9 Moving to Node #0,0 Current State: 74:[81, 66, 73], Operations: ['90-17=73'] Exploring Operation: 73-66=7, Resulting Numbers: [81, 7] Generated Node #0,0,0: 74:[81, 7] Operation: 73-66=7 Exploring Operation: 81-66=15, Resulting Numbers: [73, 15] Generated Node #0,0,1: 74:[73, 15] Operation: 81-66=15 Moving to Node #0,1 Current State: 74:[17, 66, 9], Operations: ['90-81=9'] Exploring Operation: 17+66=83, Resulting Numbers: [9, 83] Generated Node #0,1,0: 74:[9, 83] Operation: 17+66=83 Exploring Operation: 17-9=8, Resulting Numbers: [66, 8] Generated Node #0,1,1: 74:[66, 8] Operation: 17-9=8 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 74:[66, 8], Operations: ['90-81=9', '17-9=8'] Exploring Operation: 66-8=58, Resulting Numbers: [58] 58,74 unequal: No Solution Exploring Operation: 66+8=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[17, 81, 66, 90], Operations: [] Exploring Operation: 90-81=9, Resulting Numbers: [17, 66, 9] Generated Node #0,1: 74:[17, 66, 9] Operation: 90-81=9 Moving to Node #0,1 Current State: 74:[17, 66, 9], Operations: ['90-81=9'] Exploring Operation: 17-9=8, Resulting Numbers: [66, 8] Generated Node #0,1,1: 74:[66, 8] Operation: 17-9=8 Moving to Node #0,1,1 Current State: 74:[66, 8], Operations: ['90-81=9', '17-9=8'] Exploring Operation: 66+8=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 97, 45, 19, 95 ]
66
[ "97+45=142", "95-19=76", "142-76=66" ]
Current State: 66:[97, 45, 19, 95], Operations: [] Exploring Operation: 97+45=142, Resulting Numbers: [19, 95, 142] Generated Node #2: [19, 95, 142] from Operation: 97+45=142 Current State: 66:[19, 95, 142], Operations: ['97+45=142'] Exploring Operation: 95-19=76, Resulting Numbers: [142, 76] Generated Node #3: [142, 76] from Operation: 95-19=76 Current State: 66:[142, 76], Operations: ['97+45=142', '95-19=76'] Exploring Operation: 142-76=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[97, 45, 19, 95], Operations: [] Exploring Operation: 95/19=5, Resulting Numbers: [97, 45, 5] Generated Node #0,0: 66:[97, 45, 5] Operation: 95/19=5 Exploring Operation: 97-95=2, Resulting Numbers: [45, 19, 2] Generated Node #0,1: 66:[45, 19, 2] Operation: 97-95=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 66:[45, 19, 2], Operations: ['97-95=2'] Exploring Operation: 45-19=26, Resulting Numbers: [2, 26] Generated Node #0,1,0: 66:[2, 26] Operation: 45-19=26 Exploring Operation: 45+19=64, Resulting Numbers: [2, 64] Generated Node #0,1,1: 66:[2, 64] Operation: 45+19=64 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 66:[2, 64], Operations: ['97-95=2', '45+19=64'] Exploring Operation: 2+64=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[97, 45, 19, 95], Operations: [] Exploring Operation: 97-95=2, Resulting Numbers: [45, 19, 2] Generated Node #0,1: 66:[45, 19, 2] Operation: 97-95=2 Moving to Node #0,1 Current State: 66:[45, 19, 2], Operations: ['97-95=2'] Exploring Operation: 45+19=64, Resulting Numbers: [2, 64] Generated Node #0,1,1: 66:[2, 64] Operation: 45+19=64 Moving to Node #0,1,1 Current State: 66:[2, 64], Operations: ['97-95=2', '45+19=64'] Exploring Operation: 2+64=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 44, 41, 10, 11 ]
84
[ "44+41=85", "11-10=1", "85-1=84" ]
Current State: 84:[44, 41, 10, 11], Operations: [] Exploring Operation: 44+41=85, Resulting Numbers: [10, 11, 85] Generated Node #2: [10, 11, 85] from Operation: 44+41=85 Current State: 84:[10, 11, 85], Operations: ['44+41=85'] Exploring Operation: 11-10=1, Resulting Numbers: [85, 1] Generated Node #3: [85, 1] from Operation: 11-10=1 Current State: 84:[85, 1], Operations: ['44+41=85', '11-10=1'] Exploring Operation: 85-1=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[44, 41, 10, 11], Operations: [] Exploring Operation: 44-41=3, Resulting Numbers: [10, 11, 3] Generated Node #0,0: 84:[10, 11, 3] Operation: 44-41=3 Moving to Node #0,0 Current State: 84:[10, 11, 3], Operations: ['44-41=3'] Exploring Operation: 10+11=21, Resulting Numbers: [3, 21] Generated Node #0,0,0: 84:[3, 21] Operation: 10+11=21 Moving to Node #0,0,0 Current State: 84:[3, 21], Operations: ['44-41=3', '10+11=21'] Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,84 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 4, 2, 86, 40 ]
76
[ "4*40=160", "86-2=84", "160-84=76" ]
Current State: 76:[4, 2, 86, 40], Operations: [] Exploring Operation: 4*40=160, Resulting Numbers: [2, 86, 160] Generated Node #2: [2, 86, 160] from Operation: 4*40=160 Current State: 76:[2, 86, 160], Operations: ['4*40=160'] Exploring Operation: 86-2=84, Resulting Numbers: [160, 84] Generated Node #3: [160, 84] from Operation: 86-2=84 Current State: 76:[160, 84], Operations: ['4*40=160', '86-2=84'] Exploring Operation: 160-84=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[4, 2, 86, 40], Operations: [] Exploring Operation: 86-40=46, Resulting Numbers: [4, 2, 46] Generated Node #0,0: 76:[4, 2, 46] Operation: 86-40=46 Exploring Operation: 86/2=43, Resulting Numbers: [4, 40, 43] Generated Node #0,1: 76:[4, 40, 43] Operation: 86/2=43 Exploring Operation: 86-4=82, Resulting Numbers: [2, 40, 82] Generated Node #0,2: 76:[2, 40, 82] Operation: 86-4=82 Moving to Node #0,1 Current State: 76:[4, 40, 43], Operations: ['86/2=43'] Exploring Operation: 40-4=36, Resulting Numbers: [43, 36] Generated Node #0,1,0: 76:[43, 36] Operation: 40-4=36 Exploring Operation: 43-4=39, Resulting Numbers: [40, 39] Generated Node #0,1,1: 76:[40, 39] Operation: 43-4=39 Exploring Operation: 43-40=3, Resulting Numbers: [4, 3] Generated Node #0,1,2: 76:[4, 3] Operation: 43-40=3 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 76:[4, 3], Operations: ['86/2=43', '43-40=3'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,76 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,76 unequal: No Solution Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,76 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 #0,1,1 Current State: 76:[40, 39], Operations: ['86/2=43', '43-4=39'] Exploring Operation: 40+39=79, Resulting Numbers: [79] 79,76 unequal: No Solution Exploring Operation: 40*39=1560, Resulting Numbers: [1560] 1560,76 unequal: No Solution Exploring Operation: 40-39=1, Resulting Numbers: [1] 1,76 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:[43, 36], Operations: ['86/2=43', '40-4=36'] Exploring Operation: 43-36=7, Resulting Numbers: [7] 7,76 unequal: No Solution Exploring Operation: 43+36=79, Resulting Numbers: [79] 79,76 unequal: No Solution Exploring Operation: 43*36=1548, Resulting Numbers: [1548] 1548,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 76:[4, 2, 46], Operations: ['86-40=46'] Exploring Operation: 46-4=42, Resulting Numbers: [2, 42] Generated Node #0,0,0: 76:[2, 42] Operation: 46-4=42 Exploring Operation: 46-2=44, Resulting Numbers: [4, 44] Generated Node #0,0,1: 76:[4, 44] Operation: 46-2=44 Exploring Operation: 46/2=23, Resulting Numbers: [4, 23] Generated Node #0,0,2: 76:[4, 23] Operation: 46/2=23 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 76:[2, 42], Operations: ['86-40=46', '46-4=42'] Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,76 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,76 unequal: No Solution Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,76 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:[4, 23], Operations: ['86-40=46', '46/2=23'] Exploring Operation: 4+23=27, Resulting Numbers: [27] 27,76 unequal: No Solution Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,76 unequal: No Solution Exploring Operation: 4*23=92, Resulting Numbers: [92] 92,76 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:[4, 44], Operations: ['86-40=46', '46-2=44'] Exploring Operation: 44/4=11, Resulting Numbers: [11] 11,76 unequal: No Solution Exploring Operation: 4+44=48, Resulting Numbers: [48] 48,76 unequal: No Solution Exploring Operation: 44-4=40, Resulting Numbers: [40] 40,76 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:[2, 40, 82], Operations: ['86-4=82'] Exploring Operation: 40-2=38, Resulting Numbers: [82, 38] Generated Node #0,2,0: 76:[82, 38] Operation: 40-2=38 Exploring Operation: 82/2=41, Resulting Numbers: [40, 41] Generated Node #0,2,1: 76:[40, 41] Operation: 82/2=41 Exploring Operation: 82-40=42, Resulting Numbers: [2, 42] Generated Node #0,2,2: 76:[2, 42] Operation: 82-40=42 Moving to Node #0,2,2 Current State: 76:[2, 42], Operations: ['86-4=82', '82-40=42'] Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,76 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,76 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,76 unequal: No Solution Moving to Node #0,2,1 Current State: 76:[40, 41], Operations: ['86-4=82', '82/2=41'] Exploring Operation: 40*41=1640, Resulting Numbers: [1640] 1640,76 unequal: No Solution Exploring Operation: 40+41=81, Resulting Numbers: [81] 81,76 unequal: No Solution Exploring Operation: 41-40=1, Resulting Numbers: [1] 1,76 unequal: No Solution Moving to Node #0,2,0 Current State: 76:[82, 38], Operations: ['86-4=82', '40-2=38'] Exploring Operation: 82+38=120, Resulting Numbers: [120] 120,76 unequal: No Solution Exploring Operation: 82*38=3116, Resulting Numbers: [3116] 3116,76 unequal: No Solution Exploring Operation: 82-38=44, Resulting Numbers: [44] 44,76 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 1, 41, 2, 10 ]
54
[ "1+41=42", "2+10=12", "42+12=54" ]
Current State: 54:[1, 41, 2, 10], Operations: [] Exploring Operation: 1+41=42, Resulting Numbers: [2, 10, 42] Generated Node #2: [2, 10, 42] from Operation: 1+41=42 Current State: 54:[2, 10, 42], Operations: ['1+41=42'] Exploring Operation: 2+10=12, Resulting Numbers: [42, 12] Generated Node #3: [42, 12] from Operation: 2+10=12 Current State: 54:[42, 12], Operations: ['1+41=42', '2+10=12'] Exploring Operation: 42+12=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[1, 41, 2, 10], Operations: [] Exploring Operation: 41+10=51, Resulting Numbers: [1, 2, 51] Generated Node #0,0: 54:[1, 2, 51] Operation: 41+10=51 Moving to Node #0,0 Current State: 54:[1, 2, 51], Operations: ['41+10=51'] Exploring Operation: 1+51=52, Resulting Numbers: [2, 52] Generated Node #0,0,0: 54:[2, 52] Operation: 1+51=52 Moving to Node #0,0,0 Current State: 54:[2, 52], Operations: ['41+10=51', '1+51=52'] Exploring Operation: 2+52=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[1, 41, 2, 10], Operations: [] Exploring Operation: 41+10=51, Resulting Numbers: [1, 2, 51] Generated Node #0,0: 54:[1, 2, 51] Operation: 41+10=51 Moving to Node #0,0 Current State: 54:[1, 2, 51], Operations: ['41+10=51'] Exploring Operation: 1+51=52, Resulting Numbers: [2, 52] Generated Node #0,0,0: 54:[2, 52] Operation: 1+51=52 Moving to Node #0,0,0 Current State: 54:[2, 52], Operations: ['41+10=51', '1+51=52'] Exploring Operation: 2+52=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 4, 6, 62, 53 ]
22
[ "6-4=2", "62/2=31", "53-31=22" ]
Current State: 22:[4, 6, 62, 53], Operations: [] Exploring Operation: 6-4=2, Resulting Numbers: [62, 53, 2] Generated Node #2: [62, 53, 2] from Operation: 6-4=2 Current State: 22:[62, 53, 2], Operations: ['6-4=2'] Exploring Operation: 62/2=31, Resulting Numbers: [53, 31] Generated Node #3: [53, 31] from Operation: 62/2=31 Current State: 22:[53, 31], Operations: ['6-4=2', '62/2=31'] Exploring Operation: 53-31=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[4, 6, 62, 53], Operations: [] Exploring Operation: 62-53=9, Resulting Numbers: [4, 6, 9] Generated Node #0,0: 22:[4, 6, 9] Operation: 62-53=9 Moving to Node #0,0 Current State: 22:[4, 6, 9], Operations: ['62-53=9'] Exploring Operation: 6-4=2, Resulting Numbers: [9, 2] Generated Node #0,0,0: 22:[9, 2] Operation: 6-4=2 Moving to Node #0,0,0 Current State: 22:[9, 2], Operations: ['62-53=9', '6-4=2'] Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,22 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 49, 10, 72, 33 ]
45
[ "49-33=16", "10*72=720", "720/16=45" ]
Current State: 45:[49, 10, 72, 33], Operations: [] Exploring Operation: 49-33=16, Resulting Numbers: [10, 72, 16] Generated Node #2: [10, 72, 16] from Operation: 49-33=16 Current State: 45:[10, 72, 16], Operations: ['49-33=16'] Exploring Operation: 10*72=720, Resulting Numbers: [16, 720] Generated Node #3: [16, 720] from Operation: 10*72=720 Current State: 45:[16, 720], Operations: ['49-33=16', '10*72=720'] Exploring Operation: 720/16=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[49, 10, 72, 33], Operations: [] Exploring Operation: 72-33=39, Resulting Numbers: [49, 10, 39] Generated Node #0,0: 45:[49, 10, 39] Operation: 72-33=39 Exploring Operation: 72-49=23, Resulting Numbers: [10, 33, 23] Generated Node #0,1: 45:[10, 33, 23] Operation: 72-49=23 Exploring Operation: 49-33=16, Resulting Numbers: [10, 72, 16] Generated Node #0,2: 45:[10, 72, 16] Operation: 49-33=16 Moving to Node #0,0 Current State: 45:[49, 10, 39], Operations: ['72-33=39'] Exploring Operation: 49-10=39, Resulting Numbers: [39, 39] Generated Node #0,0,0: 45:[39, 39] Operation: 49-10=39 Exploring Operation: 49-39=10, Resulting Numbers: [10, 10] Generated Node #0,0,1: 45:[10, 10] Operation: 49-39=10 Exploring Operation: 10+39=49, Resulting Numbers: [49, 49] Generated Node #0,0,2: 45:[49, 49] Operation: 10+39=49 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 45:[10, 10], Operations: ['72-33=39', '49-39=10'] Exploring Operation: 10-10=0, Resulting Numbers: [0] 0,45 unequal: No Solution Exploring Operation: 10+10=20, Resulting Numbers: [20] 20,45 unequal: No Solution Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 45:[49, 49], Operations: ['72-33=39', '10+39=49'] Exploring Operation: 49/49=1, Resulting Numbers: [1] 1,45 unequal: No Solution Exploring Operation: 49+49=98, Resulting Numbers: [98] 98,45 unequal: No Solution Exploring Operation: 49-49=0, Resulting Numbers: [0] 0,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 45:[39, 39], Operations: ['72-33=39', '49-10=39'] Exploring Operation: 39+39=78, Resulting Numbers: [78] 78,45 unequal: No Solution Exploring Operation: 39/39=1, Resulting Numbers: [1] 1,45 unequal: No Solution Exploring Operation: 39-39=0, Resulting Numbers: [0] 0,45 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: 45:[10, 33, 23], Operations: ['72-49=23'] Exploring Operation: 33-23=10, Resulting Numbers: [10, 10] Generated Node #0,1,0: 45:[10, 10] Operation: 33-23=10 Exploring Operation: 10+33=43, Resulting Numbers: [23, 43] Generated Node #0,1,1: 45:[23, 43] Operation: 10+33=43 Exploring Operation: 33+23=56, Resulting Numbers: [10, 56] Generated Node #0,1,2: 45:[10, 56] Operation: 33+23=56 Moving to Node #0,2 Current State: 45:[10, 72, 16], Operations: ['49-33=16'] Exploring Operation: 72-10=62, Resulting Numbers: [16, 62] Generated Node #0,2,0: 45:[16, 62] Operation: 72-10=62 Exploring Operation: 16-10=6, Resulting Numbers: [72, 6] Generated Node #0,2,1: 45:[72, 6] Operation: 16-10=6 Exploring Operation: 72-16=56, Resulting Numbers: [10, 56] Generated Node #0,2,2: 45:[10, 56] Operation: 72-16=56 Moving to Node #0,1,0 Current State: 45:[10, 10], Operations: ['72-49=23', '33-23=10'] Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,45 unequal: No Solution Exploring Operation: 10-10=0, Resulting Numbers: [0] 0,45 unequal: No Solution Exploring Operation: 10+10=20, Resulting Numbers: [20] 20,45 unequal: No Solution Moving to Node #0,1,1 Current State: 45:[23, 43], Operations: ['72-49=23', '10+33=43'] Exploring Operation: 23+43=66, Resulting Numbers: [66] 66,45 unequal: No Solution Exploring Operation: 23*43=989, Resulting Numbers: [989] 989,45 unequal: No Solution Exploring Operation: 43-23=20, Resulting Numbers: [20] 20,45 unequal: No Solution Moving to Node #0,1,2 Current State: 45:[10, 56], Operations: ['72-49=23', '33+23=56'] Exploring Operation: 10+56=66, Resulting Numbers: [66] 66,45 unequal: No Solution Exploring Operation: 56-10=46, Resulting Numbers: [46] 46,45 unequal: No Solution Exploring Operation: 10*56=560, Resulting Numbers: [560] 560,45 unequal: No Solution Moving to Node #0,2,2 Current State: 45:[10, 56], Operations: ['49-33=16', '72-16=56'] Exploring Operation: 56-10=46, Resulting Numbers: [46] 46,45 unequal: No Solution Exploring Operation: 10+56=66, Resulting Numbers: [66] 66,45 unequal: No Solution Exploring Operation: 10*56=560, Resulting Numbers: [560] 560,45 unequal: No Solution Moving to Node #0,2,0 Current State: 45:[16, 62], Operations: ['49-33=16', '72-10=62'] Exploring Operation: 16+62=78, Resulting Numbers: [78] 78,45 unequal: No Solution Exploring Operation: 62-16=46, Resulting Numbers: [46] 46,45 unequal: No Solution Exploring Operation: 16*62=992, Resulting Numbers: [992] 992,45 unequal: No Solution Moving to Node #0,2,1 Current State: 45:[72, 6], Operations: ['49-33=16', '16-10=6'] Exploring Operation: 72+6=78, Resulting Numbers: [78] 78,45 unequal: No Solution Exploring Operation: 72/6=12, Resulting Numbers: [12] 12,45 unequal: No Solution Exploring Operation: 72-6=66, Resulting Numbers: [66] 66,45 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 34, 49, 25, 10 ]
20
[ "49-34=15", "25+10=35", "35-15=20" ]
Current State: 20:[34, 49, 25, 10], Operations: [] Exploring Operation: 49-34=15, Resulting Numbers: [25, 10, 15] Generated Node #2: [25, 10, 15] from Operation: 49-34=15 Current State: 20:[25, 10, 15], Operations: ['49-34=15'] Exploring Operation: 25+10=35, Resulting Numbers: [15, 35] Generated Node #3: [15, 35] from Operation: 25+10=35 Current State: 20:[15, 35], Operations: ['49-34=15', '25+10=35'] Exploring Operation: 35-15=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[34, 49, 25, 10], Operations: [] Exploring Operation: 49-34=15, Resulting Numbers: [25, 10, 15] Generated Node #0,0: 20:[25, 10, 15] Operation: 49-34=15 Exploring Operation: 49-25=24, Resulting Numbers: [34, 10, 24] Generated Node #0,1: 20:[34, 10, 24] Operation: 49-25=24 Exploring Operation: 34-25=9, Resulting Numbers: [49, 10, 9] Generated Node #0,2: 20:[49, 10, 9] Operation: 34-25=9 Exploring Operation: 34-10=24, Resulting Numbers: [49, 25, 24] Generated Node #0,3: 20:[49, 25, 24] Operation: 34-10=24 Exploring Operation: 49-10=39, Resulting Numbers: [34, 25, 39] Generated Node #0,4: 20:[34, 25, 39] Operation: 49-10=39 Moving to Node #0,0 Current State: 20:[25, 10, 15], Operations: ['49-34=15'] Exploring Operation: 25-15=10, Resulting Numbers: [10, 10] Generated Node #0,0,0: 20:[10, 10] Operation: 25-15=10 Exploring Operation: 15-10=5, Resulting Numbers: [25, 5] Generated Node #0,0,1: 20:[25, 5] Operation: 15-10=5 Exploring Operation: 25-10=15, Resulting Numbers: [15, 15] Generated Node #0,0,2: 20:[15, 15] Operation: 25-10=15 Exploring Operation: 25+10=35, Resulting Numbers: [15, 35] Generated Node #0,0,3: 20:[15, 35] Operation: 25+10=35 Exploring Operation: 10+15=25, Resulting Numbers: [25, 25] Generated Node #0,0,4: 20:[25, 25] Operation: 10+15=25 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 20:[10, 10], Operations: ['49-34=15', '25-15=10'] Exploring Operation: 10*10=100, Resulting Numbers: [100] 100,20 unequal: No Solution Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,20 unequal: No Solution Exploring Operation: 10+10=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[34, 49, 25, 10], Operations: [] Exploring Operation: 49-34=15, Resulting Numbers: [25, 10, 15] Generated Node #0,0: 20:[25, 10, 15] Operation: 49-34=15 Moving to Node #0,0 Current State: 20:[25, 10, 15], Operations: ['49-34=15'] Exploring Operation: 25-15=10, Resulting Numbers: [10, 10] Generated Node #0,0,0: 20:[10, 10] Operation: 25-15=10 Moving to Node #0,0,0 Current State: 20:[10, 10], Operations: ['49-34=15', '25-15=10'] Exploring Operation: 10+10=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 17, 3, 31, 69 ]
97
[ "69-31=38", "3*38=114", "114-17=97" ]
Current State: 97:[17, 3, 31, 69], Operations: [] Exploring Operation: 69-31=38, Resulting Numbers: [17, 3, 38] Generated Node #2: [17, 3, 38] from Operation: 69-31=38 Current State: 97:[17, 3, 38], Operations: ['69-31=38'] Exploring Operation: 3*38=114, Resulting Numbers: [17, 114] Generated Node #3: [17, 114] from Operation: 3*38=114 Current State: 97:[17, 114], Operations: ['69-31=38', '3*38=114'] Exploring Operation: 114-17=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[17, 3, 31, 69], Operations: [] Exploring Operation: 3*31=93, Resulting Numbers: [17, 69, 93] Generated Node #0,0: 97:[17, 69, 93] Operation: 3*31=93 Exploring Operation: 17+3=20, Resulting Numbers: [31, 69, 20] Generated Node #0,1: 97:[31, 69, 20] Operation: 17+3=20 Exploring Operation: 17*3=51, Resulting Numbers: [31, 69, 51] Generated Node #0,2: 97:[31, 69, 51] Operation: 17*3=51 Moving to Node #0,0 Current State: 97:[17, 69, 93], Operations: ['3*31=93'] Exploring Operation: 17+93=110, Resulting Numbers: [69, 110] Generated Node #0,0,0: 97:[69, 110] Operation: 17+93=110 Exploring Operation: 69-17=52, Resulting Numbers: [93, 52] Generated Node #0,0,1: 97:[93, 52] Operation: 69-17=52 Exploring Operation: 17+69=86, Resulting Numbers: [93, 86] Generated Node #0,0,2: 97:[93, 86] Operation: 17+69=86 Moving to Node #0,2 Current State: 97:[31, 69, 51], Operations: ['17*3=51'] Exploring Operation: 31+69=100, Resulting Numbers: [51, 100] Generated Node #0,2,0: 97:[51, 100] Operation: 31+69=100 Exploring Operation: 69+51=120, Resulting Numbers: [31, 120] Generated Node #0,2,1: 97:[31, 120] Operation: 69+51=120 Exploring Operation: 31+51=82, Resulting Numbers: [69, 82] Generated Node #0,2,2: 97:[69, 82] Operation: 31+51=82 Moving to Node #0,1 Current State: 97:[31, 69, 20], Operations: ['17+3=20'] Exploring Operation: 31+69=100, Resulting Numbers: [20, 100] Generated Node #0,1,0: 97:[20, 100] Operation: 31+69=100 Exploring Operation: 31+20=51, Resulting Numbers: [69, 51] Generated Node #0,1,1: 97:[69, 51] Operation: 31+20=51 Exploring Operation: 69+20=89, Resulting Numbers: [31, 89] Generated Node #0,1,2: 97:[31, 89] Operation: 69+20=89 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 97:[69, 51], Operations: ['17+3=20', '31+20=51'] Exploring Operation: 69*51=3519, Resulting Numbers: [3519] 3519,97 unequal: No Solution Exploring Operation: 69+51=120, Resulting Numbers: [120] 120,97 unequal: No Solution Exploring Operation: 69-51=18, Resulting Numbers: [18] 18,97 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 #0,1,2 Current State: 97:[31, 89], Operations: ['17+3=20', '69+20=89'] Exploring Operation: 31*89=2759, Resulting Numbers: [2759] 2759,97 unequal: No Solution Exploring Operation: 31+89=120, Resulting Numbers: [120] 120,97 unequal: No Solution Exploring Operation: 89-31=58, Resulting Numbers: [58] 58,97 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 #0,1,0 Current State: 97:[20, 100], Operations: ['17+3=20', '31+69=100'] Exploring Operation: 20+100=120, Resulting Numbers: [120] 120,97 unequal: No Solution Exploring Operation: 100-20=80, Resulting Numbers: [80] 80,97 unequal: No Solution Exploring Operation: 100/20=5, Resulting Numbers: [5] 5,97 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: 97:[93, 86], Operations: ['3*31=93', '17+69=86'] Exploring Operation: 93+86=179, Resulting Numbers: [179] 179,97 unequal: No Solution Exploring Operation: 93-86=7, Resulting Numbers: [7] 7,97 unequal: No Solution Exploring Operation: 93*86=7998, Resulting Numbers: [7998] 7998,97 unequal: No Solution Moving to Node #0,0,0 Current State: 97:[69, 110], Operations: ['3*31=93', '17+93=110'] Exploring Operation: 69*110=7590, Resulting Numbers: [7590] 7590,97 unequal: No Solution Exploring Operation: 69+110=179, Resulting Numbers: [179] 179,97 unequal: No Solution Exploring Operation: 110-69=41, Resulting Numbers: [41] 41,97 unequal: No Solution Moving to Node #0,2,2 Current State: 97:[69, 82], Operations: ['17*3=51', '31+51=82'] Exploring Operation: 69*82=5658, Resulting Numbers: [5658] 5658,97 unequal: No Solution Exploring Operation: 69+82=151, Resulting Numbers: [151] 151,97 unequal: No Solution Exploring Operation: 82-69=13, Resulting Numbers: [13] 13,97 unequal: No Solution Moving to Node #0,0,1 Current State: 97:[93, 52], Operations: ['3*31=93', '69-17=52'] Exploring Operation: 93+52=145, Resulting Numbers: [145] 145,97 unequal: No Solution Exploring Operation: 93-52=41, Resulting Numbers: [41] 41,97 unequal: No Solution Exploring Operation: 93*52=4836, Resulting Numbers: [4836] 4836,97 unequal: No Solution Moving to Node #0,2,0 Current State: 97:[51, 100], Operations: ['17*3=51', '31+69=100'] Exploring Operation: 51*100=5100, Resulting Numbers: [5100] 5100,97 unequal: No Solution Exploring Operation: 51+100=151, Resulting Numbers: [151] 151,97 unequal: No Solution Exploring Operation: 100-51=49, Resulting Numbers: [49] 49,97 unequal: No Solution Moving to Node #0,2,1 Current State: 97:[31, 120], Operations: ['17*3=51', '69+51=120'] Exploring Operation: 120-31=89, Resulting Numbers: [89] 89,97 unequal: No Solution Exploring Operation: 31*120=3720, Resulting Numbers: [3720] 3720,97 unequal: No Solution Exploring Operation: 31+120=151, Resulting Numbers: [151] 151,97 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 22, 2, 68, 85 ]
88
[ "68-2=66", "66/22=3", "85+3=88" ]
Current State: 88:[22, 2, 68, 85], Operations: [] Exploring Operation: 68-2=66, Resulting Numbers: [22, 85, 66] Generated Node #2: [22, 85, 66] from Operation: 68-2=66 Current State: 88:[22, 85, 66], Operations: ['68-2=66'] Exploring Operation: 66/22=3, Resulting Numbers: [85, 3] Generated Node #3: [85, 3] from Operation: 66/22=3 Current State: 88:[85, 3], Operations: ['68-2=66', '66/22=3'] Exploring Operation: 85+3=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[22, 2, 68, 85], Operations: [] Exploring Operation: 22+68=90, Resulting Numbers: [2, 85, 90] Generated Node #0,0: 88:[2, 85, 90] Operation: 22+68=90 Exploring Operation: 85-68=17, Resulting Numbers: [22, 2, 17] Generated Node #0,1: 88:[22, 2, 17] Operation: 85-68=17 Exploring Operation: 68-22=46, Resulting Numbers: [2, 85, 46] Generated Node #0,2: 88:[2, 85, 46] Operation: 68-22=46 Moving to Node #0,0 Current State: 88:[2, 85, 90], Operations: ['22+68=90'] Exploring Operation: 90-2=88, Resulting Numbers: [85, 88] Generated Node #0,0,0: 88:[85, 88] Operation: 90-2=88 Exploring Operation: 2+85=87, Resulting Numbers: [90, 87] Generated Node #0,0,1: 88:[90, 87] Operation: 2+85=87 Exploring Operation: 90-85=5, Resulting Numbers: [2, 5] Generated Node #0,0,2: 88:[2, 5] Operation: 90-85=5 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 88:[2, 5], Operations: ['22+68=90', '90-85=5'] Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,88 unequal: No Solution Exploring Operation: 2*5=10, Resulting Numbers: [10] 10,88 unequal: No Solution Exploring Operation: 2+5=7, Resulting Numbers: [7] 7,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 88:[85, 88], Operations: ['22+68=90', '90-2=88'] Exploring Operation: 85+88=173, Resulting Numbers: [173] 173,88 unequal: No Solution Exploring Operation: 88-85=3, Resulting Numbers: [3] 3,88 unequal: No Solution Exploring Operation: 85*88=7480, Resulting Numbers: [7480] 7480,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 88:[90, 87], Operations: ['22+68=90', '2+85=87'] Exploring Operation: 90+87=177, Resulting Numbers: [177] 177,88 unequal: No Solution Exploring Operation: 90*87=7830, Resulting Numbers: [7830] 7830,88 unequal: No Solution Exploring Operation: 90-87=3, Resulting Numbers: [3] 3,88 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: 88:[22, 2, 17], Operations: ['85-68=17'] Exploring Operation: 17-2=15, Resulting Numbers: [22, 15] Generated Node #0,1,0: 88:[22, 15] Operation: 17-2=15 Exploring Operation: 2+17=19, Resulting Numbers: [22, 19] Generated Node #0,1,1: 88:[22, 19] Operation: 2+17=19 Exploring Operation: 22-17=5, Resulting Numbers: [2, 5] Generated Node #0,1,2: 88:[2, 5] Operation: 22-17=5 Moving to Node #0,2 Current State: 88:[2, 85, 46], Operations: ['68-22=46'] Exploring Operation: 46/2=23, Resulting Numbers: [85, 23] Generated Node #0,2,0: 88:[85, 23] Operation: 46/2=23 Exploring Operation: 2+85=87, Resulting Numbers: [46, 87] Generated Node #0,2,1: 88:[46, 87] Operation: 2+85=87 Exploring Operation: 46-2=44, Resulting Numbers: [85, 44] Generated Node #0,2,2: 88:[85, 44] Operation: 46-2=44 Moving to Node #0,1,2 Current State: 88:[2, 5], Operations: ['85-68=17', '22-17=5'] Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,88 unequal: No Solution Exploring Operation: 2+5=7, Resulting Numbers: [7] 7,88 unequal: No Solution Exploring Operation: 2*5=10, Resulting Numbers: [10] 10,88 unequal: No Solution Moving to Node #0,1,1 Current State: 88:[22, 19], Operations: ['85-68=17', '2+17=19'] Exploring Operation: 22-19=3, Resulting Numbers: [3] 3,88 unequal: No Solution Exploring Operation: 22+19=41, Resulting Numbers: [41] 41,88 unequal: No Solution Exploring Operation: 22*19=418, Resulting Numbers: [418] 418,88 unequal: No Solution Moving to Node #0,2,2 Current State: 88:[85, 44], Operations: ['68-22=46', '46-2=44'] Exploring Operation: 85*44=3740, Resulting Numbers: [3740] 3740,88 unequal: No Solution Exploring Operation: 85+44=129, Resulting Numbers: [129] 129,88 unequal: No Solution Exploring Operation: 85-44=41, Resulting Numbers: [41] 41,88 unequal: No Solution Moving to Node #0,2,1 Current State: 88:[46, 87], Operations: ['68-22=46', '2+85=87'] Exploring Operation: 46+87=133, Resulting Numbers: [133] 133,88 unequal: No Solution Exploring Operation: 46*87=4002, Resulting Numbers: [4002] 4002,88 unequal: No Solution Exploring Operation: 87-46=41, Resulting Numbers: [41] 41,88 unequal: No Solution Moving to Node #0,2,0 Current State: 88:[85, 23], Operations: ['68-22=46', '46/2=23'] Exploring Operation: 85-23=62, Resulting Numbers: [62] 62,88 unequal: No Solution Exploring Operation: 85*23=1955, Resulting Numbers: [1955] 1955,88 unequal: No Solution Exploring Operation: 85+23=108, Resulting Numbers: [108] 108,88 unequal: No Solution Moving to Node #0,1,0 Current State: 88:[22, 15], Operations: ['85-68=17', '17-2=15'] Exploring Operation: 22+15=37, Resulting Numbers: [37] 37,88 unequal: No Solution Exploring Operation: 22*15=330, Resulting Numbers: [330] 330,88 unequal: No Solution Exploring Operation: 22-15=7, Resulting Numbers: [7] 7,88 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 71, 50, 69, 67 ]
92
[ "71-69=2", "50/2=25", "67+25=92" ]
Current State: 92:[71, 50, 69, 67], Operations: [] Exploring Operation: 71-69=2, Resulting Numbers: [50, 67, 2] Generated Node #2: [50, 67, 2] from Operation: 71-69=2 Current State: 92:[50, 67, 2], Operations: ['71-69=2'] Exploring Operation: 50/2=25, Resulting Numbers: [67, 25] Generated Node #3: [67, 25] from Operation: 50/2=25 Current State: 92:[67, 25], Operations: ['71-69=2', '50/2=25'] Exploring Operation: 67+25=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[71, 50, 69, 67], Operations: [] Exploring Operation: 71-69=2, Resulting Numbers: [50, 67, 2] Generated Node #0,0: 92:[50, 67, 2] Operation: 71-69=2 Moving to Node #0,0 Current State: 92:[50, 67, 2], Operations: ['71-69=2'] Exploring Operation: 67-50=17, Resulting Numbers: [2, 17] Generated Node #0,0,0: 92:[2, 17] Operation: 67-50=17 Moving to Node #0,0,0 Current State: 92:[2, 17], Operations: ['71-69=2', '67-50=17'] Exploring Operation: 2+17=19, Resulting Numbers: [19] 19,92 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 9, 2, 35, 44 ]
97
[ "9*2=18", "35+44=79", "18+79=97" ]
Current State: 97:[9, 2, 35, 44], Operations: [] Exploring Operation: 9*2=18, Resulting Numbers: [35, 44, 18] Generated Node #2: [35, 44, 18] from Operation: 9*2=18 Current State: 97:[35, 44, 18], Operations: ['9*2=18'] Exploring Operation: 35+44=79, Resulting Numbers: [18, 79] Generated Node #3: [18, 79] from Operation: 35+44=79 Current State: 97:[18, 79], Operations: ['9*2=18', '35+44=79'] Exploring Operation: 18+79=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[9, 2, 35, 44], Operations: [] Exploring Operation: 2*44=88, Resulting Numbers: [9, 35, 88] Generated Node #0,0: 97:[9, 35, 88] Operation: 2*44=88 Exploring Operation: 9*2=18, Resulting Numbers: [35, 44, 18] Generated Node #0,1: 97:[35, 44, 18] Operation: 9*2=18 Exploring Operation: 2*35=70, Resulting Numbers: [9, 44, 70] Generated Node #0,2: 97:[9, 44, 70] Operation: 2*35=70 Exploring Operation: 9+2=11, Resulting Numbers: [35, 44, 11] Generated Node #0,3: 97:[35, 44, 11] Operation: 9+2=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[9, 35, 88], Operations: ['2*44=88'] Exploring Operation: 9+35=44, Resulting Numbers: [88, 44] Generated Node #0,0,0: 97:[88, 44] Operation: 9+35=44 Exploring Operation: 9+88=97, Resulting Numbers: [35, 97] Generated Node #0,0,1: 97:[35, 97] Operation: 9+88=97 Exploring Operation: 35-9=26, Resulting Numbers: [88, 26] Generated Node #0,0,2: 97:[88, 26] Operation: 35-9=26 Exploring Operation: 88-9=79, Resulting Numbers: [35, 79] Generated Node #0,0,3: 97:[35, 79] Operation: 88-9=79 Moving to Node #0,0,0 Current State: 97:[88, 44], Operations: ['2*44=88', '9+35=44'] Exploring Operation: 88/44=2, Resulting Numbers: [2] 2,97 unequal: No Solution Exploring Operation: 88-44=44, Resulting Numbers: [44] 44,97 unequal: No Solution Exploring Operation: 88*44=3872, Resulting Numbers: [3872] 3872,97 unequal: No Solution Exploring Operation: 88+44=132, Resulting Numbers: [132] 132,97 unequal: No Solution Moving to Node #0,0,1 Current State: 97:[35, 97], Operations: ['2*44=88', '9+88=97'] Exploring Operation: 35*97=3395, Resulting Numbers: [3395] 3395,97 unequal: No Solution Exploring Operation: 97-35=62, Resulting Numbers: [62] 62,97 unequal: No Solution Exploring Operation: 35+97=132, Resulting Numbers: [132] 132,97 unequal: No Solution Moving to Node #0,0,3 Current State: 97:[35, 79], Operations: ['2*44=88', '88-9=79'] Exploring Operation: 79-35=44, Resulting Numbers: [44] 44,97 unequal: No Solution Exploring Operation: 35+79=114, Resulting Numbers: [114] 114,97 unequal: No Solution Exploring Operation: 35*79=2765, Resulting Numbers: [2765] 2765,97 unequal: No Solution Moving to Node #0,0,2 Current State: 97:[88, 26], Operations: ['2*44=88', '35-9=26'] Exploring Operation: 88+26=114, Resulting Numbers: [114] 114,97 unequal: No Solution Exploring Operation: 88-26=62, Resulting Numbers: [62] 62,97 unequal: No Solution Exploring Operation: 88*26=2288, Resulting Numbers: [2288] 2288,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 97:[9, 44, 70], Operations: ['2*35=70'] Exploring Operation: 44-9=35, Resulting Numbers: [70, 35] Generated Node #0,2,0: 97:[70, 35] Operation: 44-9=35 Exploring Operation: 70-9=61, Resulting Numbers: [44, 61] Generated Node #0,2,1: 97:[44, 61] Operation: 70-9=61 Exploring Operation: 9+70=79, Resulting Numbers: [44, 79] Generated Node #0,2,2: 97:[44, 79] Operation: 9+70=79 Exploring Operation: 9+44=53, Resulting Numbers: [70, 53] Generated Node #0,2,3: 97:[70, 53] Operation: 9+44=53 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 97:[44, 79], Operations: ['2*35=70', '9+70=79'] Exploring Operation: 44*79=3476, Resulting Numbers: [3476] 3476,97 unequal: No Solution Exploring Operation: 44+79=123, Resulting Numbers: [123] 123,97 unequal: No Solution Exploring Operation: 79-44=35, Resulting Numbers: [35] 35,97 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 #0,2,3 Current State: 97:[70, 53], Operations: ['2*35=70', '9+44=53'] Exploring Operation: 70+53=123, Resulting Numbers: [123] 123,97 unequal: No Solution Exploring Operation: 70*53=3710, Resulting Numbers: [3710] 3710,97 unequal: No Solution Exploring Operation: 70-53=17, Resulting Numbers: [17] 17,97 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 #0,2,0 Current State: 97:[70, 35], Operations: ['2*35=70', '44-9=35'] Exploring Operation: 70*35=2450, Resulting Numbers: [2450] 2450,97 unequal: No Solution Exploring Operation: 70+35=105, Resulting Numbers: [105] 105,97 unequal: No Solution Exploring Operation: 70/35=2, Resulting Numbers: [2] 2,97 unequal: No Solution Exploring Operation: 70-35=35, Resulting Numbers: [35] 35,97 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 #0,2,1 Current State: 97:[44, 61], Operations: ['2*35=70', '70-9=61'] Exploring Operation: 44*61=2684, Resulting Numbers: [2684] 2684,97 unequal: No Solution Exploring Operation: 61-44=17, Resulting Numbers: [17] 17,97 unequal: No Solution Exploring Operation: 44+61=105, Resulting Numbers: [105] 105,97 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 Start Sub Search at level 1: Moving to Node #0,1 Current State: 97:[35, 44, 18], Operations: ['9*2=18'] Exploring Operation: 35+44=79, Resulting Numbers: [18, 79] Generated Node #0,1,0: 97:[18, 79] Operation: 35+44=79 Exploring Operation: 35-18=17, Resulting Numbers: [44, 17] Generated Node #0,1,1: 97:[44, 17] Operation: 35-18=17 Exploring Operation: 44+18=62, Resulting Numbers: [35, 62] Generated Node #0,1,2: 97:[35, 62] Operation: 44+18=62 Exploring Operation: 35+18=53, Resulting Numbers: [44, 53] Generated Node #0,1,3: 97:[44, 53] Operation: 35+18=53 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 97:[18, 79], Operations: ['9*2=18', '35+44=79'] Exploring Operation: 18+79=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[9, 2, 35, 44], Operations: [] Exploring Operation: 9*2=18, Resulting Numbers: [35, 44, 18] Generated Node #0,1: 97:[35, 44, 18] Operation: 9*2=18 Moving to Node #0,1 Current State: 97:[35, 44, 18], Operations: ['9*2=18'] Exploring Operation: 35+44=79, Resulting Numbers: [18, 79] Generated Node #0,1,0: 97:[18, 79] Operation: 35+44=79 Moving to Node #0,1,0 Current State: 97:[18, 79], Operations: ['9*2=18', '35+44=79'] Exploring Operation: 18+79=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.959201
hs_4
sum_heuristic
[ 99, 96, 61, 78 ]
87
[ "99-96=3", "78/3=26", "61+26=87" ]
Current State: 87:[99, 96, 61, 78], Operations: [] Exploring Operation: 99-96=3, Resulting Numbers: [61, 78, 3] Generated Node #2: [61, 78, 3] from Operation: 99-96=3 Current State: 87:[61, 78, 3], Operations: ['99-96=3'] Exploring Operation: 78/3=26, Resulting Numbers: [61, 26] Generated Node #3: [61, 26] from Operation: 78/3=26 Current State: 87:[61, 26], Operations: ['99-96=3', '78/3=26'] Exploring Operation: 61+26=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[99, 96, 61, 78], Operations: [] Exploring Operation: 96-61=35, Resulting Numbers: [99, 78, 35] Generated Node #0,0: 87:[99, 78, 35] Operation: 96-61=35 Exploring Operation: 99-61=38, Resulting Numbers: [96, 78, 38] Generated Node #0,1: 87:[96, 78, 38] Operation: 99-61=38 Moving to Node #0,0 Current State: 87:[99, 78, 35], Operations: ['96-61=35'] Exploring Operation: 78-35=43, Resulting Numbers: [99, 43] Generated Node #0,0,0: 87:[99, 43] Operation: 78-35=43 Exploring Operation: 99-78=21, Resulting Numbers: [35, 21] Generated Node #0,0,1: 87:[35, 21] Operation: 99-78=21 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 87:[35, 21], Operations: ['96-61=35', '99-78=21'] Exploring Operation: 35+21=56, Resulting Numbers: [56] 56,87 unequal: No Solution Exploring Operation: 35-21=14, Resulting Numbers: [14] 14,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 87:[99, 43], Operations: ['96-61=35', '78-35=43'] Exploring Operation: 99+43=142, Resulting Numbers: [142] 142,87 unequal: No Solution Exploring Operation: 99-43=56, Resulting Numbers: [56] 56,87 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: 87:[96, 78, 38], Operations: ['99-61=38'] Exploring Operation: 96-78=18, Resulting Numbers: [38, 18] Generated Node #0,1,0: 87:[38, 18] Operation: 96-78=18 Exploring Operation: 78-38=40, Resulting Numbers: [96, 40] Generated Node #0,1,1: 87:[96, 40] Operation: 78-38=40 Moving to Node #0,1,0 Current State: 87:[38, 18], Operations: ['99-61=38', '96-78=18'] Exploring Operation: 38+18=56, Resulting Numbers: [56] 56,87 unequal: No Solution Exploring Operation: 38-18=20, Resulting Numbers: [20] 20,87 unequal: No Solution Moving to Node #0,1,1 Current State: 87:[96, 40], Operations: ['99-61=38', '78-38=40'] Exploring Operation: 96+40=136, Resulting Numbers: [136] 136,87 unequal: No Solution Exploring Operation: 96-40=56, Resulting Numbers: [56] 56,87 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 83, 2, 5, 76 ]
79
[ "5+76=81", "2*81=162", "162-83=79" ]
Current State: 79:[83, 2, 5, 76], Operations: [] Exploring Operation: 5+76=81, Resulting Numbers: [83, 2, 81] Generated Node #2: [83, 2, 81] from Operation: 5+76=81 Current State: 79:[83, 2, 81], Operations: ['5+76=81'] Exploring Operation: 2*81=162, Resulting Numbers: [83, 162] Generated Node #3: [83, 162] from Operation: 2*81=162 Current State: 79:[83, 162], Operations: ['5+76=81', '2*81=162'] Exploring Operation: 162-83=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[83, 2, 5, 76], Operations: [] Exploring Operation: 2+76=78, Resulting Numbers: [83, 5, 78] Generated Node #0,0: 79:[83, 5, 78] Operation: 2+76=78 Exploring Operation: 2*5=10, Resulting Numbers: [83, 76, 10] Generated Node #0,1: 79:[83, 76, 10] Operation: 2*5=10 Exploring Operation: 2+5=7, Resulting Numbers: [83, 76, 7] Generated Node #0,2: 79:[83, 76, 7] Operation: 2+5=7 Exploring Operation: 83-2=81, Resulting Numbers: [5, 76, 81] Generated Node #0,3: 79:[5, 76, 81] Operation: 83-2=81 Moving to Node #0,1 Current State: 79:[83, 76, 10], Operations: ['2*5=10'] Exploring Operation: 76+10=86, Resulting Numbers: [83, 86] Generated Node #0,1,0: 79:[83, 86] Operation: 76+10=86 Exploring Operation: 83-10=73, Resulting Numbers: [76, 73] Generated Node #0,1,1: 79:[76, 73] Operation: 83-10=73 Exploring Operation: 83+10=93, Resulting Numbers: [76, 93] Generated Node #0,1,2: 79:[76, 93] Operation: 83+10=93 Exploring Operation: 76-10=66, Resulting Numbers: [83, 66] Generated Node #0,1,3: 79:[83, 66] Operation: 76-10=66 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 79:[76, 73], Operations: ['2*5=10', '83-10=73'] Exploring Operation: 76-73=3, Resulting Numbers: [3] 3,79 unequal: No Solution Exploring Operation: 76+73=149, Resulting Numbers: [149] 149,79 unequal: No Solution Exploring Operation: 76*73=5548, Resulting Numbers: [5548] 5548,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 79:[83, 86], Operations: ['2*5=10', '76+10=86'] Exploring Operation: 83*86=7138, Resulting Numbers: [7138] 7138,79 unequal: No Solution Exploring Operation: 83+86=169, Resulting Numbers: [169] 169,79 unequal: No Solution Exploring Operation: 86-83=3, Resulting Numbers: [3] 3,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 79:[76, 93], Operations: ['2*5=10', '83+10=93'] Exploring Operation: 93-76=17, Resulting Numbers: [17] 17,79 unequal: No Solution Exploring Operation: 76+93=169, Resulting Numbers: [169] 169,79 unequal: No Solution Exploring Operation: 76*93=7068, Resulting Numbers: [7068] 7068,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 79:[83, 66], Operations: ['2*5=10', '76-10=66'] Exploring Operation: 83-66=17, Resulting Numbers: [17] 17,79 unequal: No Solution Exploring Operation: 83+66=149, Resulting Numbers: [149] 149,79 unequal: No Solution Exploring Operation: 83*66=5478, Resulting Numbers: [5478] 5478,79 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: 79:[83, 76, 7], Operations: ['2+5=7'] Exploring Operation: 76-7=69, Resulting Numbers: [83, 69] Generated Node #0,2,0: 79:[83, 69] Operation: 76-7=69 Exploring Operation: 83+7=90, Resulting Numbers: [76, 90] Generated Node #0,2,1: 79:[76, 90] Operation: 83+7=90 Exploring Operation: 76+7=83, Resulting Numbers: [83, 83] Generated Node #0,2,2: 79:[83, 83] Operation: 76+7=83 Exploring Operation: 83-7=76, Resulting Numbers: [76, 76] Generated Node #0,2,3: 79:[76, 76] Operation: 83-7=76 Moving to Node #0,0 Current State: 79:[83, 5, 78], Operations: ['2+76=78'] Exploring Operation: 78-5=73, Resulting Numbers: [83, 73] Generated Node #0,0,0: 79:[83, 73] Operation: 78-5=73 Exploring Operation: 83+5=88, Resulting Numbers: [78, 88] Generated Node #0,0,1: 79:[78, 88] Operation: 83+5=88 Exploring Operation: 83-5=78, Resulting Numbers: [78, 78] Generated Node #0,0,2: 79:[78, 78] Operation: 83-5=78 Exploring Operation: 5+78=83, Resulting Numbers: [83, 83] Generated Node #0,0,3: 79:[83, 83] Operation: 5+78=83 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 79:[78, 78], Operations: ['2+76=78', '83-5=78'] Exploring Operation: 78+78=156, Resulting Numbers: [156] 156,79 unequal: No Solution Exploring Operation: 78/78=1, Resulting Numbers: [1] 1,79 unequal: No Solution Exploring Operation: 78-78=0, Resulting Numbers: [0] 0,79 unequal: No Solution Exploring Operation: 78*78=6084, Resulting Numbers: [6084] 6084,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 79:[83, 83], Operations: ['2+76=78', '5+78=83'] Exploring Operation: 83+83=166, Resulting Numbers: [166] 166,79 unequal: No Solution Exploring Operation: 83*83=6889, Resulting Numbers: [6889] 6889,79 unequal: No Solution Exploring Operation: 83/83=1, Resulting Numbers: [1] 1,79 unequal: No Solution Exploring Operation: 83-83=0, Resulting Numbers: [0] 0,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 79:[83, 73], Operations: ['2+76=78', '78-5=73'] Exploring Operation: 83*73=6059, Resulting Numbers: [6059] 6059,79 unequal: No Solution Exploring Operation: 83+73=156, Resulting Numbers: [156] 156,79 unequal: No Solution Exploring Operation: 83-73=10, Resulting Numbers: [10] 10,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 79:[78, 88], Operations: ['2+76=78', '83+5=88'] Exploring Operation: 78*88=6864, Resulting Numbers: [6864] 6864,79 unequal: No Solution Exploring Operation: 88-78=10, Resulting Numbers: [10] 10,79 unequal: No Solution Exploring Operation: 78+88=166, Resulting Numbers: [166] 166,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 79:[5, 76, 81], Operations: ['83-2=81'] Exploring Operation: 5+76=81, Resulting Numbers: [81, 81] Generated Node #0,3,0: 79:[81, 81] Operation: 5+76=81 Exploring Operation: 5+81=86, Resulting Numbers: [76, 86] Generated Node #0,3,1: 79:[76, 86] Operation: 5+81=86 Exploring Operation: 76-5=71, Resulting Numbers: [81, 71] Generated Node #0,3,2: 79:[81, 71] Operation: 76-5=71 Exploring Operation: 81-5=76, Resulting Numbers: [76, 76] Generated Node #0,3,3: 79:[76, 76] Operation: 81-5=76 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 79:[81, 81], Operations: ['83-2=81', '5+76=81'] Exploring Operation: 81-81=0, Resulting Numbers: [0] 0,79 unequal: No Solution Exploring Operation: 81+81=162, Resulting Numbers: [162] 162,79 unequal: No Solution Exploring Operation: 81/81=1, Resulting Numbers: [1] 1,79 unequal: No Solution Exploring Operation: 81*81=6561, Resulting Numbers: [6561] 6561,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 79:[76, 76], Operations: ['83-2=81', '81-5=76'] Exploring Operation: 76+76=152, Resulting Numbers: [152] 152,79 unequal: No Solution Exploring Operation: 76-76=0, Resulting Numbers: [0] 0,79 unequal: No Solution Exploring Operation: 76/76=1, Resulting Numbers: [1] 1,79 unequal: No Solution Exploring Operation: 76*76=5776, Resulting Numbers: [5776] 5776,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 79:[76, 86], Operations: ['83-2=81', '5+81=86'] Exploring Operation: 76+86=162, Resulting Numbers: [162] 162,79 unequal: No Solution Exploring Operation: 86-76=10, Resulting Numbers: [10] 10,79 unequal: No Solution Exploring Operation: 76*86=6536, Resulting Numbers: [6536] 6536,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 79:[81, 71], Operations: ['83-2=81', '76-5=71'] Exploring Operation: 81*71=5751, Resulting Numbers: [5751] 5751,79 unequal: No Solution Exploring Operation: 81+71=152, Resulting Numbers: [152] 152,79 unequal: No Solution Exploring Operation: 81-71=10, Resulting Numbers: [10] 10,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,3 Current State: 79:[76, 76], Operations: ['2+5=7', '83-7=76'] Exploring Operation: 76-76=0, Resulting Numbers: [0] 0,79 unequal: No Solution Exploring Operation: 76/76=1, Resulting Numbers: [1] 1,79 unequal: No Solution Exploring Operation: 76*76=5776, Resulting Numbers: [5776] 5776,79 unequal: No Solution Exploring Operation: 76+76=152, Resulting Numbers: [152] 152,79 unequal: No Solution Moving to Node #0,2,2 Current State: 79:[83, 83], Operations: ['2+5=7', '76+7=83'] Exploring Operation: 83/83=1, Resulting Numbers: [1] 1,79 unequal: No Solution Exploring Operation: 83*83=6889, Resulting Numbers: [6889] 6889,79 unequal: No Solution Exploring Operation: 83+83=166, Resulting Numbers: [166] 166,79 unequal: No Solution Exploring Operation: 83-83=0, Resulting Numbers: [0] 0,79 unequal: No Solution Moving to Node #0,2,1 Current State: 79:[76, 90], Operations: ['2+5=7', '83+7=90'] Exploring Operation: 76*90=6840, Resulting Numbers: [6840] 6840,79 unequal: No Solution Exploring Operation: 90-76=14, Resulting Numbers: [14] 14,79 unequal: No Solution Exploring Operation: 76+90=166, Resulting Numbers: [166] 166,79 unequal: No Solution Moving to Node #0,2,0 Current State: 79:[83, 69], Operations: ['2+5=7', '76-7=69'] Exploring Operation: 83-69=14, Resulting Numbers: [14] 14,79 unequal: No Solution Exploring Operation: 83*69=5727, Resulting Numbers: [5727] 5727,79 unequal: No Solution Exploring Operation: 83+69=152, Resulting Numbers: [152] 152,79 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 52, 73, 26, 47 ]
28
[ "52/26=2", "73-47=26", "2+26=28" ]
Current State: 28:[52, 73, 26, 47], Operations: [] Exploring Operation: 52/26=2, Resulting Numbers: [73, 47, 2] Generated Node #2: [73, 47, 2] from Operation: 52/26=2 Current State: 28:[73, 47, 2], Operations: ['52/26=2'] Exploring Operation: 73-47=26, Resulting Numbers: [2, 26] Generated Node #3: [2, 26] from Operation: 73-47=26 Current State: 28:[2, 26], Operations: ['52/26=2', '73-47=26'] Exploring Operation: 2+26=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[52, 73, 26, 47], Operations: [] Exploring Operation: 73-47=26, Resulting Numbers: [52, 26, 26] Generated Node #0,0: 28:[52, 26, 26] Operation: 73-47=26 Exploring Operation: 73-52=21, Resulting Numbers: [26, 47, 21] Generated Node #0,1: 28:[26, 47, 21] Operation: 73-52=21 Moving to Node #0,0 Current State: 28:[52, 26, 26], Operations: ['73-47=26'] Exploring Operation: 52/26=2, Resulting Numbers: [26, 2] Generated Node #0,0,0: 28:[26, 2] Operation: 52/26=2 Exploring Operation: 52/26=2, Resulting Numbers: [26, 2] Generated Node #0,0,1: 28:[26, 2] Operation: 52/26=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 28:[26, 2], Operations: ['73-47=26', '52/26=2'] Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[52, 73, 26, 47], Operations: [] Exploring Operation: 73-47=26, Resulting Numbers: [52, 26, 26] Generated Node #0,0: 28:[52, 26, 26] Operation: 73-47=26 Moving to Node #0,0 Current State: 28:[52, 26, 26], Operations: ['73-47=26'] Exploring Operation: 52/26=2, Resulting Numbers: [26, 2] Generated Node #0,0,0: 28:[26, 2] Operation: 52/26=2 Moving to Node #0,0,0 Current State: 28:[26, 2], Operations: ['73-47=26', '52/26=2'] Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 54, 30, 74, 14 ]
64
[ "54-30=24", "74+14=88", "88-24=64" ]
Current State: 64:[54, 30, 74, 14], Operations: [] Exploring Operation: 54-30=24, Resulting Numbers: [74, 14, 24] Generated Node #2: [74, 14, 24] from Operation: 54-30=24 Current State: 64:[74, 14, 24], Operations: ['54-30=24'] Exploring Operation: 74+14=88, Resulting Numbers: [24, 88] Generated Node #3: [24, 88] from Operation: 74+14=88 Current State: 64:[24, 88], Operations: ['54-30=24', '74+14=88'] Exploring Operation: 88-24=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[54, 30, 74, 14], Operations: [] Exploring Operation: 74-14=60, Resulting Numbers: [54, 30, 60] Generated Node #0,0: 64:[54, 30, 60] Operation: 74-14=60 Exploring Operation: 54-30=24, Resulting Numbers: [74, 14, 24] Generated Node #0,1: 64:[74, 14, 24] Operation: 54-30=24 Exploring Operation: 74-54=20, Resulting Numbers: [30, 14, 20] Generated Node #0,2: 64:[30, 14, 20] Operation: 74-54=20 Exploring Operation: 54+14=68, Resulting Numbers: [30, 74, 68] Generated Node #0,3: 64:[30, 74, 68] Operation: 54+14=68 Start Sub Search at level 1: Moving to Node #0,2 Current State: 64:[30, 14, 20], Operations: ['74-54=20'] Exploring Operation: 14+20=34, Resulting Numbers: [30, 34] Generated Node #0,2,0: 64:[30, 34] Operation: 14+20=34 Exploring Operation: 20-14=6, Resulting Numbers: [30, 6] Generated Node #0,2,1: 64:[30, 6] Operation: 20-14=6 Exploring Operation: 30-20=10, Resulting Numbers: [14, 10] Generated Node #0,2,2: 64:[14, 10] Operation: 30-20=10 Exploring Operation: 30-14=16, Resulting Numbers: [20, 16] Generated Node #0,2,3: 64:[20, 16] Operation: 30-14=16 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 64:[30, 34], Operations: ['74-54=20', '14+20=34'] Exploring Operation: 30+34=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[54, 30, 74, 14], Operations: [] Exploring Operation: 74-54=20, Resulting Numbers: [30, 14, 20] Generated Node #0,2: 64:[30, 14, 20] Operation: 74-54=20 Moving to Node #0,2 Current State: 64:[30, 14, 20], Operations: ['74-54=20'] Exploring Operation: 14+20=34, Resulting Numbers: [30, 34] Generated Node #0,2,0: 64:[30, 34] Operation: 14+20=34 Moving to Node #0,2,0 Current State: 64:[30, 34], Operations: ['74-54=20', '14+20=34'] Exploring Operation: 30+34=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 33, 2, 19, 52 ]
52
[ "33+19=52", "2*52=104", "104-52=52" ]
Current State: 52:[33, 2, 19, 52], Operations: [] Exploring Operation: 33+19=52, Resulting Numbers: [2, 52, 52] Generated Node #2: [2, 52, 52] from Operation: 33+19=52 Current State: 52:[2, 52, 52], Operations: ['33+19=52'] Exploring Operation: 2*52=104, Resulting Numbers: [104] 104,52 equal: Goal Reached Exploring Operation: 104-52=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[33, 2, 19, 52], Operations: [] Exploring Operation: 33-19=14, Resulting Numbers: [2, 52, 14] Generated Node #0,0: 52:[2, 52, 14] Operation: 33-19=14 Exploring Operation: 33+19=52, Resulting Numbers: [2, 52, 52] Generated Node #0,1: 52:[2, 52, 52] Operation: 33+19=52 Start Sub Search at level 1: Moving to Node #0,1 Current State: 52:[2, 52, 52], Operations: ['33+19=52'] Exploring Operation: 52/2=26, Resulting Numbers: [52, 26] Generated Node #0,1,0: 52:[52, 26] Operation: 52/2=26 Exploring Operation: 52/2=26, Resulting Numbers: [52, 26] Generated Node #0,1,1: 52:[52, 26] Operation: 52/2=26 Moving to Node #0,1,0 Current State: 52:[52, 26], Operations: ['33+19=52', '52/2=26'] Exploring Operation: 52-26=26, Resulting Numbers: [26] 26,52 unequal: No Solution Exploring Operation: 52/26=2, Resulting Numbers: [2] 2,52 unequal: No Solution Moving to Node #0,1,1 Current State: 52:[52, 26], Operations: ['33+19=52', '52/2=26'] Exploring Operation: 52/26=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 52-26=26, Resulting Numbers: [26] 26,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[2, 52, 14], Operations: ['33-19=14'] Exploring Operation: 14-2=12, Resulting Numbers: [52, 12] Generated Node #0,0,0: 52:[52, 12] Operation: 14-2=12 Exploring Operation: 52/2=26, Resulting Numbers: [14, 26] Generated Node #0,0,1: 52:[14, 26] Operation: 52/2=26 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 52:[52, 12], Operations: ['33-19=14', '14-2=12'] Exploring Operation: 52-12=40, Resulting Numbers: [40] 40,52 unequal: No Solution Exploring Operation: 52+12=64, Resulting Numbers: [64] 64,52 unequal: No Solution No 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: 52:[14, 26], Operations: ['33-19=14', '52/2=26'] Exploring Operation: 14+26=40, Resulting Numbers: [40] 40,52 unequal: No Solution Exploring Operation: 26-14=12, Resulting Numbers: [12] 12,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 83, 9, 30, 73 ]
60
[ "83-73=10", "9*10=90", "90-30=60" ]
Current State: 60:[83, 9, 30, 73], Operations: [] Exploring Operation: 83-73=10, Resulting Numbers: [9, 30, 10] Generated Node #2: [9, 30, 10] from Operation: 83-73=10 Current State: 60:[9, 30, 10], Operations: ['83-73=10'] Exploring Operation: 9*10=90, Resulting Numbers: [30, 90] Generated Node #3: [30, 90] from Operation: 9*10=90 Current State: 60:[30, 90], Operations: ['83-73=10', '9*10=90'] Exploring Operation: 90-30=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[83, 9, 30, 73], Operations: [] Exploring Operation: 83-30=53, Resulting Numbers: [9, 73, 53] Generated Node #0,0: 60:[9, 73, 53] Operation: 83-30=53 Exploring Operation: 83-73=10, Resulting Numbers: [9, 30, 10] Generated Node #0,1: 60:[9, 30, 10] Operation: 83-73=10 Start Sub Search at level 1: Moving to Node #0,1 Current State: 60:[9, 30, 10], Operations: ['83-73=10'] Exploring Operation: 30-9=21, Resulting Numbers: [10, 21] Generated Node #0,1,0: 60:[10, 21] Operation: 30-9=21 Exploring Operation: 9+10=19, Resulting Numbers: [30, 19] Generated Node #0,1,1: 60:[30, 19] Operation: 9+10=19 Moving to Node #0,1,0 Current State: 60:[10, 21], Operations: ['83-73=10', '30-9=21'] Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,60 unequal: No Solution Exploring Operation: 10+21=31, Resulting Numbers: [31] 31,60 unequal: No Solution Moving to Node #0,1,1 Current State: 60:[30, 19], Operations: ['83-73=10', '9+10=19'] Exploring Operation: 30-19=11, Resulting Numbers: [11] 11,60 unequal: No Solution Exploring Operation: 30+19=49, Resulting Numbers: [49] 49,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[9, 73, 53], Operations: ['83-30=53'] Exploring Operation: 73-9=64, Resulting Numbers: [53, 64] Generated Node #0,0,0: 60:[53, 64] Operation: 73-9=64 Exploring Operation: 73-53=20, Resulting Numbers: [9, 20] Generated Node #0,0,1: 60:[9, 20] Operation: 73-53=20 Moving to Node #0,0,1 Current State: 60:[9, 20], Operations: ['83-30=53', '73-53=20'] Exploring Operation: 9+20=29, Resulting Numbers: [29] 29,60 unequal: No Solution Exploring Operation: 20-9=11, Resulting Numbers: [11] 11,60 unequal: No Solution Moving to Node #0,0,0 Current State: 60:[53, 64], Operations: ['83-30=53', '73-9=64'] Exploring Operation: 64-53=11, Resulting Numbers: [11] 11,60 unequal: No Solution Exploring Operation: 53+64=117, Resulting Numbers: [117] 117,60 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
[ 75, 70, 7, 13 ]
72
[ "75-70=5", "13*5=65", "7+65=72" ]
Current State: 72:[75, 70, 7, 13], Operations: [] Exploring Operation: 75-70=5, Resulting Numbers: [7, 13, 5] Generated Node #2: [7, 13, 5] from Operation: 75-70=5 Current State: 72:[7, 13, 5], Operations: ['75-70=5'] Exploring Operation: 13*5=65, Resulting Numbers: [7, 65] Generated Node #3: [7, 65] from Operation: 13*5=65 Current State: 72:[7, 65], Operations: ['75-70=5', '13*5=65'] Exploring Operation: 7+65=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[75, 70, 7, 13], Operations: [] Exploring Operation: 75-70=5, Resulting Numbers: [7, 13, 5] Generated Node #0,0: 72:[7, 13, 5] Operation: 75-70=5 Moving to Node #0,0 Current State: 72:[7, 13, 5], Operations: ['75-70=5'] Exploring Operation: 13-7=6, Resulting Numbers: [5, 6] Generated Node #0,0,0: 72:[5, 6] Operation: 13-7=6 Moving to Node #0,0,0 Current State: 72:[5, 6], Operations: ['75-70=5', '13-7=6'] Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,72 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 9, 33, 12, 64 ]
76
[ "33-9=24", "64-12=52", "24+52=76" ]
Current State: 76:[9, 33, 12, 64], Operations: [] Exploring Operation: 33-9=24, Resulting Numbers: [12, 64, 24] Generated Node #2: [12, 64, 24] from Operation: 33-9=24 Current State: 76:[12, 64, 24], Operations: ['33-9=24'] Exploring Operation: 64-12=52, Resulting Numbers: [24, 52] Generated Node #3: [24, 52] from Operation: 64-12=52 Current State: 76:[24, 52], Operations: ['33-9=24', '64-12=52'] Exploring Operation: 24+52=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[9, 33, 12, 64], Operations: [] Exploring Operation: 12-9=3, Resulting Numbers: [33, 64, 3] Generated Node #0,0: 76:[33, 64, 3] Operation: 12-9=3 Exploring Operation: 12+64=76, Resulting Numbers: [9, 33, 76] Generated Node #0,1: 76:[9, 33, 76] Operation: 12+64=76 Exploring Operation: 9+64=73, Resulting Numbers: [33, 12, 73] Generated Node #0,2: 76:[33, 12, 73] Operation: 9+64=73 Start Sub Search at level 1: Moving to Node #0,1 Current State: 76:[9, 33, 76], Operations: ['12+64=76'] Exploring Operation: 76-33=43, Resulting Numbers: [9, 43] Generated Node #0,1,0: 76:[9, 43] Operation: 76-33=43 Exploring Operation: 33-9=24, Resulting Numbers: [76, 24] Generated Node #0,1,1: 76:[76, 24] Operation: 33-9=24 Exploring Operation: 9+33=42, Resulting Numbers: [76, 42] Generated Node #0,1,2: 76:[76, 42] Operation: 9+33=42 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 76:[76, 42], Operations: ['12+64=76', '9+33=42'] Exploring Operation: 76-42=34, Resulting Numbers: [34] 34,76 unequal: No Solution Exploring Operation: 76+42=118, Resulting Numbers: [118] 118,76 unequal: No Solution Exploring Operation: 76*42=3192, Resulting Numbers: [3192] 3192,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 76:[76, 24], Operations: ['12+64=76', '33-9=24'] Exploring Operation: 76+24=100, Resulting Numbers: [100] 100,76 unequal: No Solution Exploring Operation: 76-24=52, Resulting Numbers: [52] 52,76 unequal: No Solution Exploring Operation: 76*24=1824, Resulting Numbers: [1824] 1824,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 76:[9, 43], Operations: ['12+64=76', '76-33=43'] Exploring Operation: 9+43=52, Resulting Numbers: [52] 52,76 unequal: No Solution Exploring Operation: 43-9=34, Resulting Numbers: [34] 34,76 unequal: No Solution Exploring Operation: 9*43=387, Resulting Numbers: [387] 387,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 76:[33, 12, 73], Operations: ['9+64=73'] Exploring Operation: 33+12=45, Resulting Numbers: [73, 45] Generated Node #0,2,0: 76:[73, 45] Operation: 33+12=45 Exploring Operation: 33-12=21, Resulting Numbers: [73, 21] Generated Node #0,2,1: 76:[73, 21] Operation: 33-12=21 Exploring Operation: 73-33=40, Resulting Numbers: [12, 40] Generated Node #0,2,2: 76:[12, 40] Operation: 73-33=40 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 76:[73, 21], Operations: ['9+64=73', '33-12=21'] Exploring Operation: 73*21=1533, Resulting Numbers: [1533] 1533,76 unequal: No Solution Exploring Operation: 73-21=52, Resulting Numbers: [52] 52,76 unequal: No Solution Exploring Operation: 73+21=94, Resulting Numbers: [94] 94,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 76:[12, 40], Operations: ['9+64=73', '73-33=40'] Exploring Operation: 12+40=52, Resulting Numbers: [52] 52,76 unequal: No Solution Exploring Operation: 40-12=28, Resulting Numbers: [28] 28,76 unequal: No Solution Exploring Operation: 12*40=480, Resulting Numbers: [480] 480,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 76:[73, 45], Operations: ['9+64=73', '33+12=45'] Exploring Operation: 73-45=28, Resulting Numbers: [28] 28,76 unequal: No Solution Exploring Operation: 73*45=3285, Resulting Numbers: [3285] 3285,76 unequal: No Solution Exploring Operation: 73+45=118, Resulting Numbers: [118] 118,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[33, 64, 3], Operations: ['12-9=3'] Exploring Operation: 33+3=36, Resulting Numbers: [64, 36] Generated Node #0,0,0: 76:[64, 36] Operation: 33+3=36 Exploring Operation: 64+3=67, Resulting Numbers: [33, 67] Generated Node #0,0,1: 76:[33, 67] Operation: 64+3=67 Exploring Operation: 64-33=31, Resulting Numbers: [3, 31] Generated Node #0,0,2: 76:[3, 31] Operation: 64-33=31 Moving to Node #0,0,2 Current State: 76:[3, 31], Operations: ['12-9=3', '64-33=31'] Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,76 unequal: No Solution Exploring Operation: 3+31=34, Resulting Numbers: [34] 34,76 unequal: No Solution Exploring Operation: 3*31=93, Resulting Numbers: [93] 93,76 unequal: No Solution Moving to Node #0,0,0 Current State: 76:[64, 36], Operations: ['12-9=3', '33+3=36'] Exploring Operation: 64+36=100, Resulting Numbers: [100] 100,76 unequal: No Solution Exploring Operation: 64-36=28, Resulting Numbers: [28] 28,76 unequal: No Solution Exploring Operation: 64*36=2304, Resulting Numbers: [2304] 2304,76 unequal: No Solution Moving to Node #0,0,1 Current State: 76:[33, 67], Operations: ['12-9=3', '64+3=67'] Exploring Operation: 33+67=100, Resulting Numbers: [100] 100,76 unequal: No Solution Exploring Operation: 67-33=34, Resulting Numbers: [34] 34,76 unequal: No Solution Exploring Operation: 33*67=2211, Resulting Numbers: [2211] 2211,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 36, 28, 68, 70 ]
22
[ "36*70=2520", "2520/28=90", "90-68=22" ]
Current State: 22:[36, 28, 68, 70], Operations: [] Exploring Operation: 36*70=2520, Resulting Numbers: [28, 68, 2520] Generated Node #2: [28, 68, 2520] from Operation: 36*70=2520 Current State: 22:[28, 68, 2520], Operations: ['36*70=2520'] Exploring Operation: 2520/28=90, Resulting Numbers: [68, 90] Generated Node #3: [68, 90] from Operation: 2520/28=90 Current State: 22:[68, 90], Operations: ['36*70=2520', '2520/28=90'] Exploring Operation: 90-68=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[36, 28, 68, 70], Operations: [] Exploring Operation: 68-28=40, Resulting Numbers: [36, 70, 40] Generated Node #0,0: 22:[36, 70, 40] Operation: 68-28=40 Exploring Operation: 70-36=34, Resulting Numbers: [28, 68, 34] Generated Node #0,1: 22:[28, 68, 34] Operation: 70-36=34 Exploring Operation: 70-68=2, Resulting Numbers: [36, 28, 2] Generated Node #0,2: 22:[36, 28, 2] Operation: 70-68=2 Exploring Operation: 68-36=32, Resulting Numbers: [28, 70, 32] Generated Node #0,3: 22:[28, 70, 32] Operation: 68-36=32 Start Sub Search at level 1: Moving to Node #0,2 Current State: 22:[36, 28, 2], Operations: ['70-68=2'] Exploring Operation: 28/2=14, Resulting Numbers: [36, 14] Generated Node #0,2,0: 22:[36, 14] Operation: 28/2=14 Exploring Operation: 36/2=18, Resulting Numbers: [28, 18] Generated Node #0,2,1: 22:[28, 18] Operation: 36/2=18 Exploring Operation: 36-28=8, Resulting Numbers: [2, 8] Generated Node #0,2,2: 22:[2, 8] Operation: 36-28=8 Exploring Operation: 36-2=34, Resulting Numbers: [28, 34] Generated Node #0,2,3: 22:[28, 34] Operation: 36-2=34 Moving to Node #0,2,2 Current State: 22:[2, 8], Operations: ['70-68=2', '36-28=8'] Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,22 unequal: No Solution Exploring Operation: 2*8=16, Resulting Numbers: [16] 16,22 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,22 unequal: No Solution Exploring Operation: 2+8=10, Resulting Numbers: [10] 10,22 unequal: No Solution Moving to Node #0,2,1 Current State: 22:[28, 18], Operations: ['70-68=2', '36/2=18'] Exploring Operation: 28+18=46, Resulting Numbers: [46] 46,22 unequal: No Solution Exploring Operation: 28-18=10, Resulting Numbers: [10] 10,22 unequal: No Solution Exploring Operation: 28*18=504, Resulting Numbers: [504] 504,22 unequal: No Solution Moving to Node #0,2,0 Current State: 22:[36, 14], Operations: ['70-68=2', '28/2=14'] Exploring Operation: 36-14=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[36, 28, 68, 70], Operations: [] Exploring Operation: 70-68=2, Resulting Numbers: [36, 28, 2] Generated Node #0,2: 22:[36, 28, 2] Operation: 70-68=2 Moving to Node #0,2 Current State: 22:[36, 28, 2], Operations: ['70-68=2'] Exploring Operation: 28/2=14, Resulting Numbers: [36, 14] Generated Node #0,2,0: 22:[36, 14] Operation: 28/2=14 Moving to Node #0,2,0 Current State: 22:[36, 14], Operations: ['70-68=2', '28/2=14'] Exploring Operation: 36-14=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_4
sum_heuristic
[ 49, 69, 26, 58 ]
52
[ "69-49=20", "58-26=32", "20+32=52" ]
Current State: 52:[49, 69, 26, 58], Operations: [] Exploring Operation: 69-49=20, Resulting Numbers: [26, 58, 20] Generated Node #2: [26, 58, 20] from Operation: 69-49=20 Current State: 52:[26, 58, 20], Operations: ['69-49=20'] Exploring Operation: 58-26=32, Resulting Numbers: [20, 32] Generated Node #3: [20, 32] from Operation: 58-26=32 Current State: 52:[20, 32], Operations: ['69-49=20', '58-26=32'] Exploring Operation: 20+32=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[49, 69, 26, 58], Operations: [] Exploring Operation: 69-49=20, Resulting Numbers: [26, 58, 20] Generated Node #0,0: 52:[26, 58, 20] Operation: 69-49=20 Exploring Operation: 69-26=43, Resulting Numbers: [49, 58, 43] Generated Node #0,1: 52:[49, 58, 43] Operation: 69-26=43 Exploring Operation: 69-58=11, Resulting Numbers: [49, 26, 11] Generated Node #0,2: 52:[49, 26, 11] Operation: 69-58=11 Moving to Node #0,2 Current State: 52:[49, 26, 11], Operations: ['69-58=11'] Exploring Operation: 26-11=15, Resulting Numbers: [49, 15] Generated Node #0,2,0: 52:[49, 15] Operation: 26-11=15 Exploring Operation: 49+11=60, Resulting Numbers: [26, 60] Generated Node #0,2,1: 52:[26, 60] Operation: 49+11=60 Exploring Operation: 49-26=23, Resulting Numbers: [11, 23] Generated Node #0,2,2: 52:[11, 23] Operation: 49-26=23 Moving to Node #0,0 Current State: 52:[26, 58, 20], Operations: ['69-49=20'] Exploring Operation: 26-20=6, Resulting Numbers: [58, 6] Generated Node #0,0,0: 52:[58, 6] Operation: 26-20=6 Exploring Operation: 58-26=32, Resulting Numbers: [20, 32] Generated Node #0,0,1: 52:[20, 32] Operation: 58-26=32 Exploring Operation: 26+20=46, Resulting Numbers: [58, 46] Generated Node #0,0,2: 52:[58, 46] Operation: 26+20=46 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 52:[58, 6], Operations: ['69-49=20', '26-20=6'] Exploring Operation: 58*6=348, Resulting Numbers: [348] 348,52 unequal: No Solution Exploring Operation: 58+6=64, Resulting Numbers: [64] 64,52 unequal: No Solution Exploring Operation: 58-6=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[49, 69, 26, 58], Operations: [] Exploring Operation: 69-49=20, Resulting Numbers: [26, 58, 20] Generated Node #0,0: 52:[26, 58, 20] Operation: 69-49=20 Moving to Node #0,0 Current State: 52:[26, 58, 20], Operations: ['69-49=20'] Exploring Operation: 26-20=6, Resulting Numbers: [58, 6] Generated Node #0,0,0: 52:[58, 6] Operation: 26-20=6 Moving to Node #0,0,0 Current State: 52:[58, 6], Operations: ['69-49=20', '26-20=6'] Exploring Operation: 58-6=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
mult_heuristic
[ 6, 79, 15, 35 ]
34
[ "79+35=114", "114/6=19", "15+19=34" ]
Current State: 34:[6, 79, 15, 35], Operations: [] Exploring Operation: 79+35=114, Resulting Numbers: [6, 15, 114] Generated Node #2: [6, 15, 114] from Operation: 79+35=114 Current State: 34:[6, 15, 114], Operations: ['79+35=114'] Exploring Operation: 114/6=19, Resulting Numbers: [15, 19] Generated Node #3: [15, 19] from Operation: 114/6=19 Current State: 34:[15, 19], Operations: ['79+35=114', '114/6=19'] Exploring Operation: 15+19=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[6, 79, 15, 35], Operations: [] Exploring Operation: 79-15=64, Resulting Numbers: [6, 35, 64] Generated Node #0,0: 34:[6, 35, 64] Operation: 79-15=64 Exploring Operation: 79-35=44, Resulting Numbers: [6, 15, 44] Generated Node #0,1: 34:[6, 15, 44] Operation: 79-35=44 Start Sub Search at level 1: Moving to Node #0,1 Current State: 34:[6, 15, 44], Operations: ['79-35=44'] Exploring Operation: 44-15=29, Resulting Numbers: [6, 29] Generated Node #0,1,0: 34:[6, 29] Operation: 44-15=29 Exploring Operation: 44-6=38, Resulting Numbers: [15, 38] Generated Node #0,1,1: 34:[15, 38] Operation: 44-6=38 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 34:[15, 38], Operations: ['79-35=44', '44-6=38'] Exploring Operation: 15+38=53, Resulting Numbers: [53] 53,34 unequal: No Solution Exploring Operation: 38-15=23, Resulting Numbers: [23] 23,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 34:[6, 29], Operations: ['79-35=44', '44-15=29'] Exploring Operation: 6+29=35, Resulting Numbers: [35] 35,34 unequal: No Solution Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[6, 35, 64], Operations: ['79-15=64'] Exploring Operation: 64-35=29, Resulting Numbers: [6, 29] Generated Node #0,0,0: 34:[6, 29] Operation: 64-35=29 Exploring Operation: 64-6=58, Resulting Numbers: [35, 58] Generated Node #0,0,1: 34:[35, 58] Operation: 64-6=58 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 34:[6, 29], Operations: ['79-15=64', '64-35=29'] Exploring Operation: 6+29=35, Resulting Numbers: [35] 35,34 unequal: No Solution Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 34:[35, 58], Operations: ['79-15=64', '64-6=58'] Exploring Operation: 35+58=93, Resulting Numbers: [93] 93,34 unequal: No Solution Exploring Operation: 58-35=23, Resulting Numbers: [23] 23,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 73, 85, 13, 2 ]
71
[ "85-13=72", "2*72=144", "144-73=71" ]
Current State: 71:[73, 85, 13, 2], Operations: [] Exploring Operation: 85-13=72, Resulting Numbers: [73, 2, 72] Generated Node #2: [73, 2, 72] from Operation: 85-13=72 Current State: 71:[73, 2, 72], Operations: ['85-13=72'] Exploring Operation: 2*72=144, Resulting Numbers: [73, 144] Generated Node #3: [73, 144] from Operation: 2*72=144 Current State: 71:[73, 144], Operations: ['85-13=72', '2*72=144'] Exploring Operation: 144-73=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[73, 85, 13, 2], Operations: [] Exploring Operation: 13*2=26, Resulting Numbers: [73, 85, 26] Generated Node #0,0: 71:[73, 85, 26] Operation: 13*2=26 Exploring Operation: 73-2=71, Resulting Numbers: [85, 13, 71] Generated Node #0,1: 71:[85, 13, 71] Operation: 73-2=71 Exploring Operation: 85-13=72, Resulting Numbers: [73, 2, 72] Generated Node #0,2: 71:[73, 2, 72] Operation: 85-13=72 Moving to Node #0,0 Current State: 71:[73, 85, 26], Operations: ['13*2=26'] Exploring Operation: 85-26=59, Resulting Numbers: [73, 59] Generated Node #0,0,0: 71:[73, 59] Operation: 85-26=59 Exploring Operation: 73+26=99, Resulting Numbers: [85, 99] Generated Node #0,0,1: 71:[85, 99] Operation: 73+26=99 Exploring Operation: 73-26=47, Resulting Numbers: [85, 47] Generated Node #0,0,2: 71:[85, 47] Operation: 73-26=47 Moving to Node #0,1 Current State: 71:[85, 13, 71], Operations: ['73-2=71'] Exploring Operation: 13+71=84, Resulting Numbers: [85, 84] Generated Node #0,1,0: 71:[85, 84] Operation: 13+71=84 Exploring Operation: 85-13=72, Resulting Numbers: [71, 72] Generated Node #0,1,1: 71:[71, 72] Operation: 85-13=72 Exploring Operation: 85+13=98, Resulting Numbers: [71, 98] Generated Node #0,1,2: 71:[71, 98] Operation: 85+13=98 Moving to Node #0,2 Current State: 71:[73, 2, 72], Operations: ['85-13=72'] Exploring Operation: 72-2=70, Resulting Numbers: [73, 70] Generated Node #0,2,0: 71:[73, 70] Operation: 72-2=70 Exploring Operation: 73-2=71, Resulting Numbers: [72, 71] Generated Node #0,2,1: 71:[72, 71] Operation: 73-2=71 Exploring Operation: 73+2=75, Resulting Numbers: [72, 75] Generated Node #0,2,2: 71:[72, 75] Operation: 73+2=75 Moving to Node #0,1,1 Current State: 71:[71, 72], Operations: ['73-2=71', '85-13=72'] Exploring Operation: 72-71=1, Resulting Numbers: [1] 1,71 unequal: No Solution Exploring Operation: 71+72=143, Resulting Numbers: [143] 143,71 unequal: No Solution Exploring Operation: 71*72=5112, Resulting Numbers: [5112] 5112,71 unequal: No Solution Moving to Node #0,2,1 Current State: 71:[72, 71], Operations: ['85-13=72', '73-2=71'] Exploring Operation: 72*71=5112, Resulting Numbers: [5112] 5112,71 unequal: No Solution Exploring Operation: 72+71=143, Resulting Numbers: [143] 143,71 unequal: No Solution Exploring Operation: 72-71=1, Resulting Numbers: [1] 1,71 unequal: No Solution Moving to Node #0,2,0 Current State: 71:[73, 70], Operations: ['85-13=72', '72-2=70'] Exploring Operation: 73+70=143, Resulting Numbers: [143] 143,71 unequal: No Solution Exploring Operation: 73*70=5110, Resulting Numbers: [5110] 5110,71 unequal: No Solution Exploring Operation: 73-70=3, Resulting Numbers: [3] 3,71 unequal: No Solution Moving to Node #0,2,2 Current State: 71:[72, 75], Operations: ['85-13=72', '73+2=75'] Exploring Operation: 75-72=3, Resulting Numbers: [3] 3,71 unequal: No Solution Exploring Operation: 72+75=147, Resulting Numbers: [147] 147,71 unequal: No Solution Exploring Operation: 72*75=5400, Resulting Numbers: [5400] 5400,71 unequal: No Solution Moving to Node #0,0,0 Current State: 71:[73, 59], Operations: ['13*2=26', '85-26=59'] Exploring Operation: 73-59=14, Resulting Numbers: [14] 14,71 unequal: No Solution Exploring Operation: 73+59=132, Resulting Numbers: [132] 132,71 unequal: No Solution Exploring Operation: 73*59=4307, Resulting Numbers: [4307] 4307,71 unequal: No Solution Moving to Node #0,1,0 Current State: 71:[85, 84], Operations: ['73-2=71', '13+71=84'] Exploring Operation: 85+84=169, Resulting Numbers: [169] 169,71 unequal: No Solution Exploring Operation: 85*84=7140, Resulting Numbers: [7140] 7140,71 unequal: No Solution Exploring Operation: 85-84=1, Resulting Numbers: [1] 1,71 unequal: No Solution Moving to Node #0,1,2 Current State: 71:[71, 98], Operations: ['73-2=71', '85+13=98'] Exploring Operation: 98-71=27, Resulting Numbers: [27] 27,71 unequal: No Solution Exploring Operation: 71*98=6958, Resulting Numbers: [6958] 6958,71 unequal: No Solution Exploring Operation: 71+98=169, Resulting Numbers: [169] 169,71 unequal: No Solution Moving to Node #0,0,2 Current State: 71:[85, 47], Operations: ['13*2=26', '73-26=47'] Exploring Operation: 85-47=38, Resulting Numbers: [38] 38,71 unequal: No Solution Exploring Operation: 85+47=132, Resulting Numbers: [132] 132,71 unequal: No Solution Exploring Operation: 85*47=3995, Resulting Numbers: [3995] 3995,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[85, 99], Operations: ['13*2=26', '73+26=99'] Exploring Operation: 85*99=8415, Resulting Numbers: [8415] 8415,71 unequal: No Solution Exploring Operation: 85+99=184, Resulting Numbers: [184] 184,71 unequal: No Solution Exploring Operation: 99-85=14, Resulting Numbers: [14] 14,71 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 10, 5, 23, 60 ]
97
[ "10/5=2", "60*2=120", "120-23=97" ]
Current State: 97:[10, 5, 23, 60], Operations: [] Exploring Operation: 10/5=2, Resulting Numbers: [23, 60, 2] Generated Node #2: [23, 60, 2] from Operation: 10/5=2 Current State: 97:[23, 60, 2], Operations: ['10/5=2'] Exploring Operation: 60*2=120, Resulting Numbers: [23, 120] Generated Node #3: [23, 120] from Operation: 60*2=120 Current State: 97:[23, 120], Operations: ['10/5=2', '60*2=120'] Exploring Operation: 120-23=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[10, 5, 23, 60], Operations: [] Exploring Operation: 10+5=15, Resulting Numbers: [23, 60, 15] Generated Node #0,0: 97:[23, 60, 15] Operation: 10+5=15 Exploring Operation: 10+60=70, Resulting Numbers: [5, 23, 70] Generated Node #0,1: 97:[5, 23, 70] Operation: 10+60=70 Exploring Operation: 5*23=115, Resulting Numbers: [10, 60, 115] Generated Node #0,2: 97:[10, 60, 115] Operation: 5*23=115 Exploring Operation: 10*5=50, Resulting Numbers: [23, 60, 50] Generated Node #0,3: 97:[23, 60, 50] Operation: 10*5=50 Exploring Operation: 10+23=33, Resulting Numbers: [5, 60, 33] Generated Node #0,4: 97:[5, 60, 33] Operation: 10+23=33 Moving to Node #0,2 Current State: 97:[10, 60, 115], Operations: ['5*23=115'] Exploring Operation: 115-10=105, Resulting Numbers: [60, 105] Generated Node #0,2,0: 97:[60, 105] Operation: 115-10=105 Exploring Operation: 10+60=70, Resulting Numbers: [115, 70] Generated Node #0,2,1: 97:[115, 70] Operation: 10+60=70 Exploring Operation: 60-10=50, Resulting Numbers: [115, 50] Generated Node #0,2,2: 97:[115, 50] Operation: 60-10=50 Exploring Operation: 60/10=6, Resulting Numbers: [115, 6] Generated Node #0,2,3: 97:[115, 6] Operation: 60/10=6 Exploring Operation: 10+115=125, Resulting Numbers: [60, 125] Generated Node #0,2,4: 97:[60, 125] Operation: 10+115=125 Moving to Node #0,3 Current State: 97:[23, 60, 50], Operations: ['10*5=50'] Exploring Operation: 23+60=83, Resulting Numbers: [50, 83] Generated Node #0,3,0: 97:[50, 83] Operation: 23+60=83 Exploring Operation: 60-23=37, Resulting Numbers: [50, 37] Generated Node #0,3,1: 97:[50, 37] Operation: 60-23=37 Exploring Operation: 50-23=27, Resulting Numbers: [60, 27] Generated Node #0,3,2: 97:[60, 27] Operation: 50-23=27 Exploring Operation: 60+50=110, Resulting Numbers: [23, 110] Generated Node #0,3,3: 97:[23, 110] Operation: 60+50=110 Exploring Operation: 23+50=73, Resulting Numbers: [60, 73] Generated Node #0,3,4: 97:[60, 73] Operation: 23+50=73 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 97:[50, 83], Operations: ['10*5=50', '23+60=83'] Exploring Operation: 50+83=133, Resulting Numbers: [133] 133,97 unequal: No Solution Exploring Operation: 50*83=4150, Resulting Numbers: [4150] 4150,97 unequal: No Solution Exploring Operation: 83-50=33, Resulting Numbers: [33] 33,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 97:[60, 73], Operations: ['10*5=50', '23+50=73'] Exploring Operation: 60+73=133, Resulting Numbers: [133] 133,97 unequal: No Solution Exploring Operation: 60*73=4380, Resulting Numbers: [4380] 4380,97 unequal: No Solution Exploring Operation: 73-60=13, Resulting Numbers: [13] 13,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 97:[23, 110], Operations: ['10*5=50', '60+50=110'] Exploring Operation: 110-23=87, Resulting Numbers: [87] 87,97 unequal: No Solution Exploring Operation: 23*110=2530, Resulting Numbers: [2530] 2530,97 unequal: No Solution Exploring Operation: 23+110=133, Resulting Numbers: [133] 133,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 97:[50, 37], Operations: ['10*5=50', '60-23=37'] Exploring Operation: 50+37=87, Resulting Numbers: [87] 87,97 unequal: No Solution Exploring Operation: 50*37=1850, Resulting Numbers: [1850] 1850,97 unequal: No Solution Exploring Operation: 50-37=13, Resulting Numbers: [13] 13,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 97:[60, 27], Operations: ['10*5=50', '50-23=27'] Exploring Operation: 60-27=33, Resulting Numbers: [33] 33,97 unequal: No Solution Exploring Operation: 60*27=1620, Resulting Numbers: [1620] 1620,97 unequal: No Solution Exploring Operation: 60+27=87, Resulting Numbers: [87] 87,97 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: 97:[23, 60, 15], Operations: ['10+5=15'] Exploring Operation: 23-15=8, Resulting Numbers: [60, 8] Generated Node #0,0,0: 97:[60, 8] Operation: 23-15=8 Exploring Operation: 23+60=83, Resulting Numbers: [15, 83] Generated Node #0,0,1: 97:[15, 83] Operation: 23+60=83 Exploring Operation: 60+15=75, Resulting Numbers: [23, 75] Generated Node #0,0,2: 97:[23, 75] Operation: 60+15=75 Exploring Operation: 60-15=45, Resulting Numbers: [23, 45] Generated Node #0,0,3: 97:[23, 45] Operation: 60-15=45 Exploring Operation: 23+15=38, Resulting Numbers: [60, 38] Generated Node #0,0,4: 97:[60, 38] Operation: 23+15=38 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 97:[15, 83], Operations: ['10+5=15', '23+60=83'] Exploring Operation: 83-15=68, Resulting Numbers: [68] 68,97 unequal: No Solution Exploring Operation: 15*83=1245, Resulting Numbers: [1245] 1245,97 unequal: No Solution Exploring Operation: 15+83=98, Resulting Numbers: [98] 98,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 97:[23, 75], Operations: ['10+5=15', '60+15=75'] Exploring Operation: 75-23=52, Resulting Numbers: [52] 52,97 unequal: No Solution Exploring Operation: 23*75=1725, Resulting Numbers: [1725] 1725,97 unequal: No Solution Exploring Operation: 23+75=98, Resulting Numbers: [98] 98,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 97:[60, 38], Operations: ['10+5=15', '23+15=38'] Exploring Operation: 60-38=22, Resulting Numbers: [22] 22,97 unequal: No Solution Exploring Operation: 60*38=2280, Resulting Numbers: [2280] 2280,97 unequal: No Solution Exploring Operation: 60+38=98, Resulting Numbers: [98] 98,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 97:[60, 8], Operations: ['10+5=15', '23-15=8'] Exploring Operation: 60-8=52, Resulting Numbers: [52] 52,97 unequal: No Solution Exploring Operation: 60*8=480, Resulting Numbers: [480] 480,97 unequal: No Solution Exploring Operation: 60+8=68, Resulting Numbers: [68] 68,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 97:[23, 45], Operations: ['10+5=15', '60-15=45'] Exploring Operation: 23*45=1035, Resulting Numbers: [1035] 1035,97 unequal: No Solution Exploring Operation: 45-23=22, Resulting Numbers: [22] 22,97 unequal: No Solution Exploring Operation: 23+45=68, Resulting Numbers: [68] 68,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 97:[5, 23, 70], Operations: ['10+60=70'] Exploring Operation: 5+23=28, Resulting Numbers: [70, 28] Generated Node #0,1,0: 97:[70, 28] Operation: 5+23=28 Exploring Operation: 23+70=93, Resulting Numbers: [5, 93] Generated Node #0,1,1: 97:[5, 93] Operation: 23+70=93 Exploring Operation: 5*23=115, Resulting Numbers: [70, 115] Generated Node #0,1,2: 97:[70, 115] Operation: 5*23=115 Exploring Operation: 23-5=18, Resulting Numbers: [70, 18] Generated Node #0,1,3: 97:[70, 18] Operation: 23-5=18 Exploring Operation: 5+70=75, Resulting Numbers: [23, 75] Generated Node #0,1,4: 97:[23, 75] Operation: 5+70=75 Moving to Node #0,4 Current State: 97:[5, 60, 33], Operations: ['10+23=33'] Exploring Operation: 60+33=93, Resulting Numbers: [5, 93] Generated Node #0,4,0: 97:[5, 93] Operation: 60+33=93 Exploring Operation: 60-5=55, Resulting Numbers: [33, 55] Generated Node #0,4,1: 97:[33, 55] Operation: 60-5=55 Exploring Operation: 5+60=65, Resulting Numbers: [33, 65] Generated Node #0,4,2: 97:[33, 65] Operation: 5+60=65 Exploring Operation: 5+33=38, Resulting Numbers: [60, 38] Generated Node #0,4,3: 97:[60, 38] Operation: 5+33=38 Exploring Operation: 5*33=165, Resulting Numbers: [60, 165] Generated Node #0,4,4: 97:[60, 165] Operation: 5*33=165 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 97:[5, 93], Operations: ['10+23=33', '60+33=93'] Exploring Operation: 5*93=465, Resulting Numbers: [465] 465,97 unequal: No Solution Exploring Operation: 5+93=98, Resulting Numbers: [98] 98,97 unequal: No Solution Exploring Operation: 93-5=88, Resulting Numbers: [88] 88,97 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 #0,4,2 Current State: 97:[33, 65], Operations: ['10+23=33', '5+60=65'] Exploring Operation: 65-33=32, Resulting Numbers: [32] 32,97 unequal: No Solution Exploring Operation: 33+65=98, Resulting Numbers: [98] 98,97 unequal: No Solution Exploring Operation: 33*65=2145, Resulting Numbers: [2145] 2145,97 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 #0,4,3 Current State: 97:[60, 38], Operations: ['10+23=33', '5+33=38'] Exploring Operation: 60-38=22, Resulting Numbers: [22] 22,97 unequal: No Solution Exploring Operation: 60*38=2280, Resulting Numbers: [2280] 2280,97 unequal: No Solution Exploring Operation: 60+38=98, Resulting Numbers: [98] 98,97 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 #0,4,4 Current State: 97:[60, 165], Operations: ['10+23=33', '5*33=165'] Exploring Operation: 60+165=225, Resulting Numbers: [225] 225,97 unequal: No Solution Exploring Operation: 165-60=105, Resulting Numbers: [105] 105,97 unequal: No Solution Exploring Operation: 60*165=9900, Resulting Numbers: [9900] 9900,97 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 #0,4,1 Current State: 97:[33, 55], Operations: ['10+23=33', '60-5=55'] Exploring Operation: 55-33=22, Resulting Numbers: [22] 22,97 unequal: No Solution Exploring Operation: 33+55=88, Resulting Numbers: [88] 88,97 unequal: No Solution Exploring Operation: 33*55=1815, Resulting Numbers: [1815] 1815,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 97:[60, 105], Operations: ['5*23=115', '115-10=105'] Exploring Operation: 60+105=165, Resulting Numbers: [165] 165,97 unequal: No Solution Exploring Operation: 60*105=6300, Resulting Numbers: [6300] 6300,97 unequal: No Solution Exploring Operation: 105-60=45, Resulting Numbers: [45] 45,97 unequal: No Solution Moving to Node #0,1,2 Current State: 97:[70, 115], Operations: ['10+60=70', '5*23=115'] Exploring Operation: 70+115=185, Resulting Numbers: [185] 185,97 unequal: No Solution Exploring Operation: 115-70=45, Resulting Numbers: [45] 45,97 unequal: No Solution Exploring Operation: 70*115=8050, Resulting Numbers: [8050] 8050,97 unequal: No Solution Moving to Node #0,2,1 Current State: 97:[115, 70], Operations: ['5*23=115', '10+60=70'] Exploring Operation: 115*70=8050, Resulting Numbers: [8050] 8050,97 unequal: No Solution Exploring Operation: 115+70=185, Resulting Numbers: [185] 185,97 unequal: No Solution Exploring Operation: 115-70=45, Resulting Numbers: [45] 45,97 unequal: No Solution Moving to Node #0,2,2 Current State: 97:[115, 50], Operations: ['5*23=115', '60-10=50'] Exploring Operation: 115*50=5750, Resulting Numbers: [5750] 5750,97 unequal: No Solution Exploring Operation: 115-50=65, Resulting Numbers: [65] 65,97 unequal: No Solution Exploring Operation: 115+50=165, Resulting Numbers: [165] 165,97 unequal: No Solution Moving to Node #0,2,4 Current State: 97:[60, 125], Operations: ['5*23=115', '10+115=125'] Exploring Operation: 125-60=65, Resulting Numbers: [65] 65,97 unequal: No Solution Exploring Operation: 60+125=185, Resulting Numbers: [185] 185,97 unequal: No Solution Exploring Operation: 60*125=7500, Resulting Numbers: [7500] 7500,97 unequal: No Solution Moving to Node #0,1,0 Current State: 97:[70, 28], Operations: ['10+60=70', '5+23=28'] Exploring Operation: 70+28=98, Resulting Numbers: [98] 98,97 unequal: No Solution Exploring Operation: 70*28=1960, Resulting Numbers: [1960] 1960,97 unequal: No Solution Exploring Operation: 70-28=42, Resulting Numbers: [42] 42,97 unequal: No Solution Moving to Node #0,1,1 Current State: 97:[5, 93], Operations: ['10+60=70', '23+70=93'] Exploring Operation: 5+93=98, Resulting Numbers: [98] 98,97 unequal: No Solution Exploring Operation: 93-5=88, Resulting Numbers: [88] 88,97 unequal: No Solution Exploring Operation: 5*93=465, Resulting Numbers: [465] 465,97 unequal: No Solution Moving to Node #0,1,4 Current State: 97:[23, 75], Operations: ['10+60=70', '5+70=75'] Exploring Operation: 75-23=52, Resulting Numbers: [52] 52,97 unequal: No Solution Exploring Operation: 23*75=1725, Resulting Numbers: [1725] 1725,97 unequal: No Solution Exploring Operation: 23+75=98, Resulting Numbers: [98] 98,97 unequal: No Solution Moving to Node #0,1,3 Current State: 97:[70, 18], Operations: ['10+60=70', '23-5=18'] Exploring Operation: 70+18=88, Resulting Numbers: [88] 88,97 unequal: No Solution Exploring Operation: 70-18=52, Resulting Numbers: [52] 52,97 unequal: No Solution Exploring Operation: 70*18=1260, Resulting Numbers: [1260] 1260,97 unequal: No Solution Moving to Node #0,2,3 Current State: 97:[115, 6], Operations: ['5*23=115', '60/10=6'] Exploring Operation: 115-6=109, Resulting Numbers: [109] 109,97 unequal: No Solution Exploring Operation: 115*6=690, Resulting Numbers: [690] 690,97 unequal: No Solution Exploring Operation: 115+6=121, Resulting Numbers: [121] 121,97 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 98, 27, 68, 40 ]
74
[ "98*27=2646", "68*40=2720", "2720-2646=74" ]
Current State: 74:[98, 27, 68, 40], Operations: [] Exploring Operation: 98*27=2646, Resulting Numbers: [68, 40, 2646] Generated Node #2: [68, 40, 2646] from Operation: 98*27=2646 Current State: 74:[68, 40, 2646], Operations: ['98*27=2646'] Exploring Operation: 68*40=2720, Resulting Numbers: [2646, 2720] Generated Node #3: [2646, 2720] from Operation: 68*40=2720 Current State: 74:[2646, 2720], Operations: ['98*27=2646', '68*40=2720'] Exploring Operation: 2720-2646=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[98, 27, 68, 40], Operations: [] Exploring Operation: 98-68=30, Resulting Numbers: [27, 40, 30] Generated Node #0,0: 74:[27, 40, 30] Operation: 98-68=30 Exploring Operation: 98-40=58, Resulting Numbers: [27, 68, 58] Generated Node #0,1: 74:[27, 68, 58] Operation: 98-40=58 Exploring Operation: 98-27=71, Resulting Numbers: [68, 40, 71] Generated Node #0,2: 74:[68, 40, 71] Operation: 98-27=71 Exploring Operation: 68-27=41, Resulting Numbers: [98, 40, 41] Generated Node #0,3: 74:[98, 40, 41] Operation: 68-27=41 Start Sub Search at level 1: Moving to Node #0,2 Current State: 74:[68, 40, 71], Operations: ['98-27=71'] Exploring Operation: 68-40=28, Resulting Numbers: [71, 28] Generated Node #0,2,0: 74:[71, 28] Operation: 68-40=28 Exploring Operation: 68+40=108, Resulting Numbers: [71, 108] Generated Node #0,2,1: 74:[71, 108] Operation: 68+40=108 Exploring Operation: 71-40=31, Resulting Numbers: [68, 31] Generated Node #0,2,2: 74:[68, 31] Operation: 71-40=31 Exploring Operation: 71-68=3, Resulting Numbers: [40, 3] Generated Node #0,2,3: 74:[40, 3] Operation: 71-68=3 Moving to Node #0,2,3 Current State: 74:[40, 3], Operations: ['98-27=71', '71-68=3'] Exploring Operation: 40+3=43, Resulting Numbers: [43] 43,74 unequal: No Solution Exploring Operation: 40-3=37, Resulting Numbers: [37] 37,74 unequal: No Solution Exploring Operation: 40*3=120, Resulting Numbers: [120] 120,74 unequal: No Solution Moving to Node #0,2,2 Current State: 74:[68, 31], Operations: ['98-27=71', '71-40=31'] Exploring Operation: 68*31=2108, Resulting Numbers: [2108] 2108,74 unequal: No Solution Exploring Operation: 68-31=37, Resulting Numbers: [37] 37,74 unequal: No Solution Exploring Operation: 68+31=99, Resulting Numbers: [99] 99,74 unequal: No Solution Moving to Node #0,2,0 Current State: 74:[71, 28], Operations: ['98-27=71', '68-40=28'] Exploring Operation: 71+28=99, Resulting Numbers: [99] 99,74 unequal: No Solution Exploring Operation: 71*28=1988, Resulting Numbers: [1988] 1988,74 unequal: No Solution Exploring Operation: 71-28=43, Resulting Numbers: [43] 43,74 unequal: No Solution Moving to Node #0,2,1 Current State: 74:[71, 108], Operations: ['98-27=71', '68+40=108'] Exploring Operation: 108-71=37, Resulting Numbers: [37] 37,74 unequal: No Solution Exploring Operation: 71*108=7668, Resulting Numbers: [7668] 7668,74 unequal: No Solution Exploring Operation: 71+108=179, Resulting Numbers: [179] 179,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[27, 40, 30], Operations: ['98-68=30'] Exploring Operation: 40-27=13, Resulting Numbers: [30, 13] Generated Node #0,0,0: 74:[30, 13] Operation: 40-27=13 Exploring Operation: 27+40=67, Resulting Numbers: [30, 67] Generated Node #0,0,1: 74:[30, 67] Operation: 27+40=67 Exploring Operation: 30-27=3, Resulting Numbers: [40, 3] Generated Node #0,0,2: 74:[40, 3] Operation: 30-27=3 Exploring Operation: 40+30=70, Resulting Numbers: [27, 70] Generated Node #0,0,3: 74:[27, 70] Operation: 40+30=70 Moving to Node #0,0,2 Current State: 74:[40, 3], Operations: ['98-68=30', '30-27=3'] Exploring Operation: 40*3=120, Resulting Numbers: [120] 120,74 unequal: No Solution Exploring Operation: 40-3=37, Resulting Numbers: [37] 37,74 unequal: No Solution Exploring Operation: 40+3=43, Resulting Numbers: [43] 43,74 unequal: No Solution Moving to Node #0,0,3 Current State: 74:[27, 70], Operations: ['98-68=30', '40+30=70'] Exploring Operation: 27+70=97, Resulting Numbers: [97] 97,74 unequal: No Solution Exploring Operation: 27*70=1890, Resulting Numbers: [1890] 1890,74 unequal: No Solution Exploring Operation: 70-27=43, Resulting Numbers: [43] 43,74 unequal: No Solution Moving to Node #0,0,1 Current State: 74:[30, 67], Operations: ['98-68=30', '27+40=67'] Exploring Operation: 30*67=2010, Resulting Numbers: [2010] 2010,74 unequal: No Solution Exploring Operation: 67-30=37, Resulting Numbers: [37] 37,74 unequal: No Solution Exploring Operation: 30+67=97, Resulting Numbers: [97] 97,74 unequal: No Solution Moving to Node #0,0,0 Current State: 74:[30, 13], Operations: ['98-68=30', '40-27=13'] Exploring Operation: 30*13=390, Resulting Numbers: [390] 390,74 unequal: No Solution Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,74 unequal: No Solution Exploring Operation: 30+13=43, Resulting Numbers: [43] 43,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 74:[98, 40, 41], Operations: ['68-27=41'] Exploring Operation: 40+41=81, Resulting Numbers: [98, 81] Generated Node #0,3,0: 74:[98, 81] Operation: 40+41=81 Exploring Operation: 98-41=57, Resulting Numbers: [40, 57] Generated Node #0,3,1: 74:[40, 57] Operation: 98-41=57 Exploring Operation: 98-40=58, Resulting Numbers: [41, 58] Generated Node #0,3,2: 74:[41, 58] Operation: 98-40=58 Exploring Operation: 41-40=1, Resulting Numbers: [98, 1] Generated Node #0,3,3: 74:[98, 1] Operation: 41-40=1 Moving to Node #0,3,1 Current State: 74:[40, 57], Operations: ['68-27=41', '98-41=57'] Exploring Operation: 40*57=2280, Resulting Numbers: [2280] 2280,74 unequal: No Solution Exploring Operation: 57-40=17, Resulting Numbers: [17] 17,74 unequal: No Solution Exploring Operation: 40+57=97, Resulting Numbers: [97] 97,74 unequal: No Solution Moving to Node #0,3,2 Current State: 74:[41, 58], Operations: ['68-27=41', '98-40=58'] Exploring Operation: 58-41=17, Resulting Numbers: [17] 17,74 unequal: No Solution Exploring Operation: 41+58=99, Resulting Numbers: [99] 99,74 unequal: No Solution Exploring Operation: 41*58=2378, Resulting Numbers: [2378] 2378,74 unequal: No Solution Moving to Node #0,3,3 Current State: 74:[98, 1], Operations: ['68-27=41', '41-40=1'] Exploring Operation: 98-1=97, Resulting Numbers: [97] 97,74 unequal: No Solution Exploring Operation: 98+1=99, Resulting Numbers: [99] 99,74 unequal: No Solution Exploring Operation: 98/1=98, Resulting Numbers: [98] 98,74 unequal: No Solution Exploring Operation: 98*1=98, Resulting Numbers: [98] 98,74 unequal: No Solution Moving to Node #0,3,0 Current State: 74:[98, 81], Operations: ['68-27=41', '40+41=81'] Exploring Operation: 98+81=179, Resulting Numbers: [179] 179,74 unequal: No Solution Exploring Operation: 98*81=7938, Resulting Numbers: [7938] 7938,74 unequal: No Solution Exploring Operation: 98-81=17, Resulting Numbers: [17] 17,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 74:[27, 68, 58], Operations: ['98-40=58'] Exploring Operation: 68-58=10, Resulting Numbers: [27, 10] Generated Node #0,1,0: 74:[27, 10] Operation: 68-58=10 Exploring Operation: 68-27=41, Resulting Numbers: [58, 41] Generated Node #0,1,1: 74:[58, 41] Operation: 68-27=41 Exploring Operation: 58-27=31, Resulting Numbers: [68, 31] Generated Node #0,1,2: 74:[68, 31] Operation: 58-27=31 Exploring Operation: 27+58=85, Resulting Numbers: [68, 85] Generated Node #0,1,3: 74:[68, 85] Operation: 27+58=85 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 74:[68, 31], Operations: ['98-40=58', '58-27=31'] Exploring Operation: 68-31=37, Resulting Numbers: [37] 37,74 unequal: No Solution Exploring Operation: 68*31=2108, Resulting Numbers: [2108] 2108,74 unequal: No Solution Exploring Operation: 68+31=99, Resulting Numbers: [99] 99,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 74:[68, 85], Operations: ['98-40=58', '27+58=85'] Exploring Operation: 68*85=5780, Resulting Numbers: [5780] 5780,74 unequal: No Solution Exploring Operation: 68+85=153, Resulting Numbers: [153] 153,74 unequal: No Solution Exploring Operation: 85-68=17, Resulting Numbers: [17] 17,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 74:[27, 10], Operations: ['98-40=58', '68-58=10'] Exploring Operation: 27*10=270, Resulting Numbers: [270] 270,74 unequal: No Solution Exploring Operation: 27-10=17, Resulting Numbers: [17] 17,74 unequal: No Solution Exploring Operation: 27+10=37, Resulting Numbers: [37] 37,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 74:[58, 41], Operations: ['98-40=58', '68-27=41'] Exploring Operation: 58-41=17, Resulting Numbers: [17] 17,74 unequal: No Solution Exploring Operation: 58+41=99, Resulting Numbers: [99] 99,74 unequal: No Solution Exploring Operation: 58*41=2378, Resulting Numbers: [2378] 2378,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 90, 98, 69, 23 ]
24
[ "98-90=8", "69/23=3", "8*3=24" ]
Current State: 24:[90, 98, 69, 23], Operations: [] Exploring Operation: 98-90=8, Resulting Numbers: [69, 23, 8] Generated Node #2: [69, 23, 8] from Operation: 98-90=8 Current State: 24:[69, 23, 8], Operations: ['98-90=8'] Exploring Operation: 69/23=3, Resulting Numbers: [8, 3] Generated Node #3: [8, 3] from Operation: 69/23=3 Current State: 24:[8, 3], Operations: ['98-90=8', '69/23=3'] Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[90, 98, 69, 23], Operations: [] Exploring Operation: 98-69=29, Resulting Numbers: [90, 23, 29] Generated Node #0,0: 24:[90, 23, 29] Operation: 98-69=29 Exploring Operation: 98-90=8, Resulting Numbers: [69, 23, 8] Generated Node #0,1: 24:[69, 23, 8] Operation: 98-90=8 Start Sub Search at level 1: Moving to Node #0,1 Current State: 24:[69, 23, 8], Operations: ['98-90=8'] Exploring Operation: 69/23=3, Resulting Numbers: [8, 3] Generated Node #0,1,0: 24:[8, 3] Operation: 69/23=3 Exploring Operation: 69-23=46, Resulting Numbers: [8, 46] Generated Node #0,1,1: 24:[8, 46] Operation: 69-23=46 Moving to Node #0,1,0 Current State: 24:[8, 3], Operations: ['98-90=8', '69/23=3'] Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[90, 98, 69, 23], Operations: [] Exploring Operation: 98-90=8, Resulting Numbers: [69, 23, 8] Generated Node #0,1: 24:[69, 23, 8] Operation: 98-90=8 Moving to Node #0,1 Current State: 24:[69, 23, 8], Operations: ['98-90=8'] Exploring Operation: 69/23=3, Resulting Numbers: [8, 3] Generated Node #0,1,0: 24:[8, 3] Operation: 69/23=3 Moving to Node #0,1,0 Current State: 24:[8, 3], Operations: ['98-90=8', '69/23=3'] Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 25, 33, 46, 95 ]
20
[ "25*33=825", "95+825=920", "920/46=20" ]
Current State: 20:[25, 33, 46, 95], Operations: [] Exploring Operation: 25*33=825, Resulting Numbers: [46, 95, 825] Generated Node #2: [46, 95, 825] from Operation: 25*33=825 Current State: 20:[46, 95, 825], Operations: ['25*33=825'] Exploring Operation: 95+825=920, Resulting Numbers: [46, 920] Generated Node #3: [46, 920] from Operation: 95+825=920 Current State: 20:[46, 920], Operations: ['25*33=825', '95+825=920'] Exploring Operation: 920/46=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[25, 33, 46, 95], Operations: [] Exploring Operation: 46-33=13, Resulting Numbers: [25, 95, 13] Generated Node #0,0: 20:[25, 95, 13] Operation: 46-33=13 Exploring Operation: 95-33=62, Resulting Numbers: [25, 46, 62] Generated Node #0,1: 20:[25, 46, 62] Operation: 95-33=62 Exploring Operation: 95-46=49, Resulting Numbers: [25, 33, 49] Generated Node #0,2: 20:[25, 33, 49] Operation: 95-46=49 Start Sub Search at level 1: Moving to Node #0,2 Current State: 20:[25, 33, 49], Operations: ['95-46=49'] Exploring Operation: 49-33=16, Resulting Numbers: [25, 16] Generated Node #0,2,0: 20:[25, 16] Operation: 49-33=16 Exploring Operation: 49-25=24, Resulting Numbers: [33, 24] Generated Node #0,2,1: 20:[33, 24] Operation: 49-25=24 Exploring Operation: 33-25=8, Resulting Numbers: [49, 8] Generated Node #0,2,2: 20:[49, 8] Operation: 33-25=8 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 20:[25, 16], Operations: ['95-46=49', '49-33=16'] Exploring Operation: 25+16=41, Resulting Numbers: [41] 41,20 unequal: No Solution Exploring Operation: 25*16=400, Resulting Numbers: [400] 400,20 unequal: No Solution Exploring Operation: 25-16=9, Resulting Numbers: [9] 9,20 unequal: No Solution No 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: 20:[33, 24], Operations: ['95-46=49', '49-25=24'] Exploring Operation: 33+24=57, Resulting Numbers: [57] 57,20 unequal: No Solution Exploring Operation: 33-24=9, Resulting Numbers: [9] 9,20 unequal: No Solution Exploring Operation: 33*24=792, Resulting Numbers: [792] 792,20 unequal: No Solution No 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: 20:[49, 8], Operations: ['95-46=49', '33-25=8'] Exploring Operation: 49*8=392, Resulting Numbers: [392] 392,20 unequal: No Solution Exploring Operation: 49-8=41, Resulting Numbers: [41] 41,20 unequal: No Solution Exploring Operation: 49+8=57, Resulting Numbers: [57] 57,20 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: 20:[25, 46, 62], Operations: ['95-33=62'] Exploring Operation: 62-25=37, Resulting Numbers: [46, 37] Generated Node #0,1,0: 20:[46, 37] Operation: 62-25=37 Exploring Operation: 62-46=16, Resulting Numbers: [25, 16] Generated Node #0,1,1: 20:[25, 16] Operation: 62-46=16 Exploring Operation: 46-25=21, Resulting Numbers: [62, 21] Generated Node #0,1,2: 20:[62, 21] Operation: 46-25=21 Moving to Node #0,1,1 Current State: 20:[25, 16], Operations: ['95-33=62', '62-46=16'] Exploring Operation: 25*16=400, Resulting Numbers: [400] 400,20 unequal: No Solution Exploring Operation: 25+16=41, Resulting Numbers: [41] 41,20 unequal: No Solution Exploring Operation: 25-16=9, Resulting Numbers: [9] 9,20 unequal: No Solution Moving to Node #0,1,0 Current State: 20:[46, 37], Operations: ['95-33=62', '62-25=37'] Exploring Operation: 46-37=9, Resulting Numbers: [9] 9,20 unequal: No Solution Exploring Operation: 46*37=1702, Resulting Numbers: [1702] 1702,20 unequal: No Solution Exploring Operation: 46+37=83, Resulting Numbers: [83] 83,20 unequal: No Solution Moving to Node #0,1,2 Current State: 20:[62, 21], Operations: ['95-33=62', '46-25=21'] Exploring Operation: 62+21=83, Resulting Numbers: [83] 83,20 unequal: No Solution Exploring Operation: 62-21=41, Resulting Numbers: [41] 41,20 unequal: No Solution Exploring Operation: 62*21=1302, Resulting Numbers: [1302] 1302,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[25, 95, 13], Operations: ['46-33=13'] Exploring Operation: 95-13=82, Resulting Numbers: [25, 82] Generated Node #0,0,0: 20:[25, 82] Operation: 95-13=82 Exploring Operation: 95-25=70, Resulting Numbers: [13, 70] Generated Node #0,0,1: 20:[13, 70] Operation: 95-25=70 Exploring Operation: 25-13=12, Resulting Numbers: [95, 12] Generated Node #0,0,2: 20:[95, 12] Operation: 25-13=12 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 20:[13, 70], Operations: ['46-33=13', '95-25=70'] Exploring Operation: 70-13=57, Resulting Numbers: [57] 57,20 unequal: No Solution Exploring Operation: 13+70=83, Resulting Numbers: [83] 83,20 unequal: No Solution Exploring Operation: 13*70=910, Resulting Numbers: [910] 910,20 unequal: No Solution No 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: 20:[25, 82], Operations: ['46-33=13', '95-13=82'] Exploring Operation: 25+82=107, Resulting Numbers: [107] 107,20 unequal: No Solution Exploring Operation: 82-25=57, Resulting Numbers: [57] 57,20 unequal: No Solution Exploring Operation: 25*82=2050, Resulting Numbers: [2050] 2050,20 unequal: No Solution No 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: 20:[95, 12], Operations: ['46-33=13', '25-13=12'] Exploring Operation: 95-12=83, Resulting Numbers: [83] 83,20 unequal: No Solution Exploring Operation: 95+12=107, Resulting Numbers: [107] 107,20 unequal: No Solution Exploring Operation: 95*12=1140, Resulting Numbers: [1140] 1140,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 32, 52, 13, 40 ]
57
[ "32+52=84", "40-13=27", "84-27=57" ]
Current State: 57:[32, 52, 13, 40], Operations: [] Exploring Operation: 32+52=84, Resulting Numbers: [13, 40, 84] Generated Node #2: [13, 40, 84] from Operation: 32+52=84 Current State: 57:[13, 40, 84], Operations: ['32+52=84'] Exploring Operation: 40-13=27, Resulting Numbers: [84, 27] Generated Node #3: [84, 27] from Operation: 40-13=27 Current State: 57:[84, 27], Operations: ['32+52=84', '40-13=27'] Exploring Operation: 84-27=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[32, 52, 13, 40], Operations: [] Exploring Operation: 40-32=8, Resulting Numbers: [52, 13, 8] Generated Node #0,0: 57:[52, 13, 8] Operation: 40-32=8 Exploring Operation: 13+40=53, Resulting Numbers: [32, 52, 53] Generated Node #0,1: 57:[32, 52, 53] Operation: 13+40=53 Exploring Operation: 32-13=19, Resulting Numbers: [52, 40, 19] Generated Node #0,2: 57:[52, 40, 19] Operation: 32-13=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[52, 13, 8], Operations: ['40-32=8'] Exploring Operation: 13+8=21, Resulting Numbers: [52, 21] Generated Node #0,0,0: 57:[52, 21] Operation: 13+8=21 Exploring Operation: 52/13=4, Resulting Numbers: [8, 4] Generated Node #0,0,1: 57:[8, 4] Operation: 52/13=4 Exploring Operation: 13-8=5, Resulting Numbers: [52, 5] Generated Node #0,0,2: 57:[52, 5] Operation: 13-8=5 Moving to Node #0,0,1 Current State: 57:[8, 4], Operations: ['40-32=8', '52/13=4'] Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,57 unequal: No Solution Exploring Operation: 8+4=12, Resulting Numbers: [12] 12,57 unequal: No Solution Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,57 unequal: No Solution Moving to Node #0,0,0 Current State: 57:[52, 21], Operations: ['40-32=8', '13+8=21'] Exploring Operation: 52+21=73, Resulting Numbers: [73] 73,57 unequal: No Solution Exploring Operation: 52-21=31, Resulting Numbers: [31] 31,57 unequal: No Solution Exploring Operation: 52*21=1092, Resulting Numbers: [1092] 1092,57 unequal: No Solution Moving to Node #0,0,2 Current State: 57:[52, 5], Operations: ['40-32=8', '13-8=5'] Exploring Operation: 52-5=47, Resulting Numbers: [47] 47,57 unequal: No Solution Exploring Operation: 52+5=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[32, 52, 13, 40], Operations: [] Exploring Operation: 40-32=8, Resulting Numbers: [52, 13, 8] Generated Node #0,0: 57:[52, 13, 8] Operation: 40-32=8 Moving to Node #0,0 Current State: 57:[52, 13, 8], Operations: ['40-32=8'] Exploring Operation: 13-8=5, Resulting Numbers: [52, 5] Generated Node #0,0,2: 57:[52, 5] Operation: 13-8=5 Moving to Node #0,0,2 Current State: 57:[52, 5], Operations: ['40-32=8', '13-8=5'] Exploring Operation: 52+5=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_3
sum_heuristic
[ 24, 76, 78, 46 ]
47
[ "78-76=2", "46/2=23", "24+23=47" ]
Current State: 47:[24, 76, 78, 46], Operations: [] Exploring Operation: 78-76=2, Resulting Numbers: [24, 46, 2] Generated Node #2: [24, 46, 2] from Operation: 78-76=2 Current State: 47:[24, 46, 2], Operations: ['78-76=2'] Exploring Operation: 46/2=23, Resulting Numbers: [24, 23] Generated Node #3: [24, 23] from Operation: 46/2=23 Current State: 47:[24, 23], Operations: ['78-76=2', '46/2=23'] Exploring Operation: 24+23=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[24, 76, 78, 46], Operations: [] Exploring Operation: 78-46=32, Resulting Numbers: [24, 76, 32] Generated Node #0,0: 47:[24, 76, 32] Operation: 78-46=32 Exploring Operation: 78-24=54, Resulting Numbers: [76, 46, 54] Generated Node #0,1: 47:[76, 46, 54] Operation: 78-24=54 Exploring Operation: 76-24=52, Resulting Numbers: [78, 46, 52] Generated Node #0,2: 47:[78, 46, 52] Operation: 76-24=52 Moving to Node #0,1 Current State: 47:[76, 46, 54], Operations: ['78-24=54'] Exploring Operation: 54-46=8, Resulting Numbers: [76, 8] Generated Node #0,1,0: 47:[76, 8] Operation: 54-46=8 Exploring Operation: 76-46=30, Resulting Numbers: [54, 30] Generated Node #0,1,1: 47:[54, 30] Operation: 76-46=30 Exploring Operation: 76-54=22, Resulting Numbers: [46, 22] Generated Node #0,1,2: 47:[46, 22] Operation: 76-54=22 Moving to Node #0,2 Current State: 47:[78, 46, 52], Operations: ['76-24=52'] Exploring Operation: 78-52=26, Resulting Numbers: [46, 26] Generated Node #0,2,0: 47:[46, 26] Operation: 78-52=26 Exploring Operation: 78-46=32, Resulting Numbers: [52, 32] Generated Node #0,2,1: 47:[52, 32] Operation: 78-46=32 Exploring Operation: 52-46=6, Resulting Numbers: [78, 6] Generated Node #0,2,2: 47:[78, 6] Operation: 52-46=6 Moving to Node #0,0 Current State: 47:[24, 76, 32], Operations: ['78-46=32'] Exploring Operation: 76-32=44, Resulting Numbers: [24, 44] Generated Node #0,0,0: 47:[24, 44] Operation: 76-32=44 Exploring Operation: 76-24=52, Resulting Numbers: [32, 52] Generated Node #0,0,1: 47:[32, 52] Operation: 76-24=52 Exploring Operation: 24+32=56, Resulting Numbers: [76, 56] Generated Node #0,0,2: 47:[76, 56] Operation: 24+32=56 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 47:[32, 52], Operations: ['78-46=32', '76-24=52'] Exploring Operation: 52-32=20, Resulting Numbers: [20] 20,47 unequal: No Solution Exploring Operation: 32+52=84, Resulting Numbers: [84] 84,47 unequal: No Solution Exploring Operation: 32*52=1664, Resulting Numbers: [1664] 1664,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 47:[24, 44], Operations: ['78-46=32', '76-32=44'] Exploring Operation: 24+44=68, Resulting Numbers: [68] 68,47 unequal: No Solution Exploring Operation: 44-24=20, Resulting Numbers: [20] 20,47 unequal: No Solution Exploring Operation: 24*44=1056, Resulting Numbers: [1056] 1056,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 47:[76, 56], Operations: ['78-46=32', '24+32=56'] Exploring Operation: 76+56=132, Resulting Numbers: [132] 132,47 unequal: No Solution Exploring Operation: 76*56=4256, Resulting Numbers: [4256] 4256,47 unequal: No Solution Exploring Operation: 76-56=20, Resulting Numbers: [20] 20,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,1 Current State: 47:[52, 32], Operations: ['76-24=52', '78-46=32'] Exploring Operation: 52*32=1664, Resulting Numbers: [1664] 1664,47 unequal: No Solution Exploring Operation: 52-32=20, Resulting Numbers: [20] 20,47 unequal: No Solution Exploring Operation: 52+32=84, Resulting Numbers: [84] 84,47 unequal: No Solution Moving to Node #0,2,0 Current State: 47:[46, 26], Operations: ['76-24=52', '78-52=26'] Exploring Operation: 46*26=1196, Resulting Numbers: [1196] 1196,47 unequal: No Solution Exploring Operation: 46+26=72, Resulting Numbers: [72] 72,47 unequal: No Solution Exploring Operation: 46-26=20, Resulting Numbers: [20] 20,47 unequal: No Solution Moving to Node #0,1,1 Current State: 47:[54, 30], Operations: ['78-24=54', '76-46=30'] Exploring Operation: 54+30=84, Resulting Numbers: [84] 84,47 unequal: No Solution Exploring Operation: 54*30=1620, Resulting Numbers: [1620] 1620,47 unequal: No Solution Exploring Operation: 54-30=24, Resulting Numbers: [24] 24,47 unequal: No Solution Moving to Node #0,1,2 Current State: 47:[46, 22], Operations: ['78-24=54', '76-54=22'] Exploring Operation: 46*22=1012, Resulting Numbers: [1012] 1012,47 unequal: No Solution Exploring Operation: 46+22=68, Resulting Numbers: [68] 68,47 unequal: No Solution Exploring Operation: 46-22=24, Resulting Numbers: [24] 24,47 unequal: No Solution Moving to Node #0,1,0 Current State: 47:[76, 8], Operations: ['78-24=54', '54-46=8'] Exploring Operation: 76+8=84, Resulting Numbers: [84] 84,47 unequal: No Solution Exploring Operation: 76-8=68, Resulting Numbers: [68] 68,47 unequal: No Solution Exploring Operation: 76*8=608, Resulting Numbers: [608] 608,47 unequal: No Solution Moving to Node #0,2,2 Current State: 47:[78, 6], Operations: ['76-24=52', '52-46=6'] Exploring Operation: 78+6=84, Resulting Numbers: [84] 84,47 unequal: No Solution Exploring Operation: 78-6=72, Resulting Numbers: [72] 72,47 unequal: No Solution Exploring Operation: 78/6=13, Resulting Numbers: [13] 13,47 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 75, 88, 75, 15 ]
77
[ "88-75=13", "75+15=90", "90-13=77" ]
Current State: 77:[75, 88, 75, 15], Operations: [] Exploring Operation: 88-75=13, Resulting Numbers: [15, 13] Generated Node #2: [15, 13] from Operation: 88-75=13 Current State: 77:[15, 13], Operations: ['88-75=13'] Exploring Operation: 75+15=90, Resulting Numbers: [13, 90] Generated Node #3: [13, 90] from Operation: 75+15=90 Current State: 77:[13, 90], Operations: ['88-75=13', '75+15=90'] Exploring Operation: 90-13=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[75, 88, 75, 15], Operations: [] Exploring Operation: 88-75=13, Resulting Numbers: [75, 15, 13] Generated Node #0,0: 77:[75, 15, 13] Operation: 88-75=13 Exploring Operation: 88-75=13, Resulting Numbers: [75, 15, 13] Generated Node #0,1: 77:[75, 15, 13] Operation: 88-75=13 Moving to Node #0,0 Current State: 77:[75, 15, 13], Operations: ['88-75=13'] Exploring Operation: 15-13=2, Resulting Numbers: [75, 2] Generated Node #0,0,0: 77:[75, 2] Operation: 15-13=2 Exploring Operation: 75/15=5, Resulting Numbers: [13, 5] Generated Node #0,0,1: 77:[13, 5] Operation: 75/15=5 Moving to Node #0,1 Current State: 77:[75, 15, 13], Operations: ['88-75=13'] Exploring Operation: 15-13=2, Resulting Numbers: [75, 2] Generated Node #0,1,0: 77:[75, 2] Operation: 15-13=2 Exploring Operation: 75/15=5, Resulting Numbers: [13, 5] Generated Node #0,1,1: 77:[13, 5] Operation: 75/15=5 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 77:[13, 5], Operations: ['88-75=13', '75/15=5'] Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,77 unequal: No Solution Exploring Operation: 13+5=18, Resulting Numbers: [18] 18,77 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 #0,1,0 Current State: 77:[75, 2], Operations: ['88-75=13', '15-13=2'] Exploring Operation: 75+2=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[75, 88, 75, 15], Operations: [] Exploring Operation: 88-75=13, Resulting Numbers: [75, 15, 13] Generated Node #0,1: 77:[75, 15, 13] Operation: 88-75=13 Moving to Node #0,1 Current State: 77:[75, 15, 13], Operations: ['88-75=13'] Exploring Operation: 15-13=2, Resulting Numbers: [75, 2] Generated Node #0,1,0: 77:[75, 2] Operation: 15-13=2 Moving to Node #0,1,0 Current State: 77:[75, 2], Operations: ['88-75=13', '15-13=2'] Exploring Operation: 75+2=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_2
mult_heuristic
[ 78, 17, 30, 35 ]
19
[ "78+17=95", "35-30=5", "95/5=19" ]
Current State: 19:[78, 17, 30, 35], Operations: [] Exploring Operation: 78+17=95, Resulting Numbers: [30, 35, 95] Generated Node #2: [30, 35, 95] from Operation: 78+17=95 Current State: 19:[30, 35, 95], Operations: ['78+17=95'] Exploring Operation: 35-30=5, Resulting Numbers: [95, 5] Generated Node #3: [95, 5] from Operation: 35-30=5 Current State: 19:[95, 5], Operations: ['78+17=95', '35-30=5'] Exploring Operation: 95/5=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[78, 17, 30, 35], Operations: [] Exploring Operation: 78-30=48, Resulting Numbers: [17, 35, 48] Generated Node #0,0: 19:[17, 35, 48] Operation: 78-30=48 Exploring Operation: 78-17=61, Resulting Numbers: [30, 35, 61] Generated Node #0,1: 19:[30, 35, 61] Operation: 78-17=61 Exploring Operation: 78-35=43, Resulting Numbers: [17, 30, 43] Generated Node #0,2: 19:[17, 30, 43] Operation: 78-35=43 Start Sub Search at level 1: Moving to Node #0,2 Current State: 19:[17, 30, 43], Operations: ['78-35=43'] Exploring Operation: 43-30=13, Resulting Numbers: [17, 13] Generated Node #0,2,0: 19:[17, 13] Operation: 43-30=13 Exploring Operation: 30-17=13, Resulting Numbers: [43, 13] Generated Node #0,2,1: 19:[43, 13] Operation: 30-17=13 Exploring Operation: 43-17=26, Resulting Numbers: [30, 26] Generated Node #0,2,2: 19:[30, 26] Operation: 43-17=26 Moving to Node #0,2,0 Current State: 19:[17, 13], Operations: ['78-35=43', '43-30=13'] Exploring Operation: 17+13=30, Resulting Numbers: [30] 30,19 unequal: No Solution Exploring Operation: 17*13=221, Resulting Numbers: [221] 221,19 unequal: No Solution Exploring Operation: 17-13=4, Resulting Numbers: [4] 4,19 unequal: No Solution Moving to Node #0,2,2 Current State: 19:[30, 26], Operations: ['78-35=43', '43-17=26'] Exploring Operation: 30+26=56, Resulting Numbers: [56] 56,19 unequal: No Solution Exploring Operation: 30-26=4, Resulting Numbers: [4] 4,19 unequal: No Solution Exploring Operation: 30*26=780, Resulting Numbers: [780] 780,19 unequal: No Solution Moving to Node #0,2,1 Current State: 19:[43, 13], Operations: ['78-35=43', '30-17=13'] Exploring Operation: 43+13=56, Resulting Numbers: [56] 56,19 unequal: No Solution Exploring Operation: 43-13=30, Resulting Numbers: [30] 30,19 unequal: No Solution Exploring Operation: 43*13=559, Resulting Numbers: [559] 559,19 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 Current State: 19:[17, 35, 48], Operations: ['78-30=48'] Exploring Operation: 48-35=13, Resulting Numbers: [17, 13] Generated Node #0,0,0: 19:[17, 13] Operation: 48-35=13 Exploring Operation: 35-17=18, Resulting Numbers: [48, 18] Generated Node #0,0,1: 19:[48, 18] Operation: 35-17=18 Exploring Operation: 48-17=31, Resulting Numbers: [35, 31] Generated Node #0,0,2: 19:[35, 31] Operation: 48-17=31 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 19:[17, 13], Operations: ['78-30=48', '48-35=13'] Exploring Operation: 17+13=30, Resulting Numbers: [30] 30,19 unequal: No Solution Exploring Operation: 17-13=4, Resulting Numbers: [4] 4,19 unequal: No Solution Exploring Operation: 17*13=221, Resulting Numbers: [221] 221,19 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 #0,0,2 Current State: 19:[35, 31], Operations: ['78-30=48', '48-17=31'] Exploring Operation: 35*31=1085, Resulting Numbers: [1085] 1085,19 unequal: No Solution Exploring Operation: 35+31=66, Resulting Numbers: [66] 66,19 unequal: No Solution Exploring Operation: 35-31=4, Resulting Numbers: [4] 4,19 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 #0,0,1 Current State: 19:[48, 18], Operations: ['78-30=48', '35-17=18'] Exploring Operation: 48+18=66, Resulting Numbers: [66] 66,19 unequal: No Solution Exploring Operation: 48*18=864, Resulting Numbers: [864] 864,19 unequal: No Solution Exploring Operation: 48-18=30, Resulting Numbers: [30] 30,19 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: 19:[30, 35, 61], Operations: ['78-17=61'] Exploring Operation: 35-30=5, Resulting Numbers: [61, 5] Generated Node #0,1,0: 19:[61, 5] Operation: 35-30=5 Exploring Operation: 61-35=26, Resulting Numbers: [30, 26] Generated Node #0,1,1: 19:[30, 26] Operation: 61-35=26 Exploring Operation: 61-30=31, Resulting Numbers: [35, 31] Generated Node #0,1,2: 19:[35, 31] Operation: 61-30=31 Moving to Node #0,1,1 Current State: 19:[30, 26], Operations: ['78-17=61', '61-35=26'] Exploring Operation: 30-26=4, Resulting Numbers: [4] 4,19 unequal: No Solution Exploring Operation: 30*26=780, Resulting Numbers: [780] 780,19 unequal: No Solution Exploring Operation: 30+26=56, Resulting Numbers: [56] 56,19 unequal: No Solution Moving to Node #0,1,2 Current State: 19:[35, 31], Operations: ['78-17=61', '61-30=31'] Exploring Operation: 35*31=1085, Resulting Numbers: [1085] 1085,19 unequal: No Solution Exploring Operation: 35-31=4, Resulting Numbers: [4] 4,19 unequal: No Solution Exploring Operation: 35+31=66, Resulting Numbers: [66] 66,19 unequal: No Solution Moving to Node #0,1,0 Current State: 19:[61, 5], Operations: ['78-17=61', '35-30=5'] Exploring Operation: 61*5=305, Resulting Numbers: [305] 305,19 unequal: No Solution Exploring Operation: 61-5=56, Resulting Numbers: [56] 56,19 unequal: No Solution Exploring Operation: 61+5=66, Resulting Numbers: [66] 66,19 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
[ 79, 27, 48, 9 ]
65
[ "27*48=1296", "1296/9=144", "144-79=65" ]
Current State: 65:[79, 27, 48, 9], Operations: [] Exploring Operation: 27*48=1296, Resulting Numbers: [79, 9, 1296] Generated Node #2: [79, 9, 1296] from Operation: 27*48=1296 Current State: 65:[79, 9, 1296], Operations: ['27*48=1296'] Exploring Operation: 1296/9=144, Resulting Numbers: [79, 144] Generated Node #3: [79, 144] from Operation: 1296/9=144 Current State: 65:[79, 144], Operations: ['27*48=1296', '1296/9=144'] Exploring Operation: 144-79=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[79, 27, 48, 9], Operations: [] Exploring Operation: 27/9=3, Resulting Numbers: [79, 48, 3] Generated Node #0,0: 65:[79, 48, 3] Operation: 27/9=3 Exploring Operation: 48-27=21, Resulting Numbers: [79, 9, 21] Generated Node #0,1: 65:[79, 9, 21] Operation: 48-27=21 Exploring Operation: 27+48=75, Resulting Numbers: [79, 9, 75] Generated Node #0,2: 65:[79, 9, 75] Operation: 27+48=75 Exploring Operation: 79-27=52, Resulting Numbers: [48, 9, 52] Generated Node #0,3: 65:[48, 9, 52] Operation: 79-27=52 Exploring Operation: 79-48=31, Resulting Numbers: [27, 9, 31] Generated Node #0,4: 65:[27, 9, 31] Operation: 79-48=31 Start Sub Search at level 1: Moving to Node #0,1 Current State: 65:[79, 9, 21], Operations: ['48-27=21'] Exploring Operation: 79+9=88, Resulting Numbers: [21, 88] Generated Node #0,1,0: 65:[21, 88] Operation: 79+9=88 Exploring Operation: 9+21=30, Resulting Numbers: [79, 30] Generated Node #0,1,1: 65:[79, 30] Operation: 9+21=30 Exploring Operation: 79-21=58, Resulting Numbers: [9, 58] Generated Node #0,1,2: 65:[9, 58] Operation: 79-21=58 Exploring Operation: 79-9=70, Resulting Numbers: [21, 70] Generated Node #0,1,3: 65:[21, 70] Operation: 79-9=70 Exploring Operation: 21-9=12, Resulting Numbers: [79, 12] Generated Node #0,1,4: 65:[79, 12] Operation: 21-9=12 Moving to Node #0,1,2 Current State: 65:[9, 58], Operations: ['48-27=21', '79-21=58'] Exploring Operation: 9*58=522, Resulting Numbers: [522] 522,65 unequal: No Solution Exploring Operation: 9+58=67, Resulting Numbers: [67] 67,65 unequal: No Solution Exploring Operation: 58-9=49, Resulting Numbers: [49] 49,65 unequal: No Solution Moving to Node #0,1,3 Current State: 65:[21, 70], Operations: ['48-27=21', '79-9=70'] Exploring Operation: 70-21=49, Resulting Numbers: [49] 49,65 unequal: No Solution Exploring Operation: 21+70=91, Resulting Numbers: [91] 91,65 unequal: No Solution Exploring Operation: 21*70=1470, Resulting Numbers: [1470] 1470,65 unequal: No Solution Moving to Node #0,1,4 Current State: 65:[79, 12], Operations: ['48-27=21', '21-9=12'] Exploring Operation: 79+12=91, Resulting Numbers: [91] 91,65 unequal: No Solution Exploring Operation: 79*12=948, Resulting Numbers: [948] 948,65 unequal: No Solution Exploring Operation: 79-12=67, Resulting Numbers: [67] 67,65 unequal: No Solution Moving to Node #0,1,0 Current State: 65:[21, 88], Operations: ['48-27=21', '79+9=88'] Exploring Operation: 21*88=1848, Resulting Numbers: [1848] 1848,65 unequal: No Solution Exploring Operation: 21+88=109, Resulting Numbers: [109] 109,65 unequal: No Solution Exploring Operation: 88-21=67, Resulting Numbers: [67] 67,65 unequal: No Solution Moving to Node #0,1,1 Current State: 65:[79, 30], Operations: ['48-27=21', '9+21=30'] Exploring Operation: 79+30=109, Resulting Numbers: [109] 109,65 unequal: No Solution Exploring Operation: 79*30=2370, Resulting Numbers: [2370] 2370,65 unequal: No Solution Exploring Operation: 79-30=49, Resulting Numbers: [49] 49,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 65:[79, 9, 75], Operations: ['27+48=75'] Exploring Operation: 79+9=88, Resulting Numbers: [75, 88] Generated Node #0,2,0: 65:[75, 88] Operation: 79+9=88 Exploring Operation: 79-9=70, Resulting Numbers: [75, 70] Generated Node #0,2,1: 65:[75, 70] Operation: 79-9=70 Exploring Operation: 75-9=66, Resulting Numbers: [79, 66] Generated Node #0,2,2: 65:[79, 66] Operation: 75-9=66 Exploring Operation: 9+75=84, Resulting Numbers: [79, 84] Generated Node #0,2,3: 65:[79, 84] Operation: 9+75=84 Exploring Operation: 79-75=4, Resulting Numbers: [9, 4] Generated Node #0,2,4: 65:[9, 4] Operation: 79-75=4 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 65:[9, 4], Operations: ['27+48=75', '79-75=4'] Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,65 unequal: No Solution Exploring Operation: 9*4=36, Resulting Numbers: [36] 36,65 unequal: No Solution Exploring Operation: 9+4=13, Resulting Numbers: [13] 13,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 65:[75, 70], Operations: ['27+48=75', '79-9=70'] Exploring Operation: 75+70=145, Resulting Numbers: [145] 145,65 unequal: No Solution Exploring Operation: 75-70=5, Resulting Numbers: [5] 5,65 unequal: No Solution Exploring Operation: 75*70=5250, Resulting Numbers: [5250] 5250,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 65:[79, 66], Operations: ['27+48=75', '75-9=66'] Exploring Operation: 79-66=13, Resulting Numbers: [13] 13,65 unequal: No Solution Exploring Operation: 79+66=145, Resulting Numbers: [145] 145,65 unequal: No Solution Exploring Operation: 79*66=5214, Resulting Numbers: [5214] 5214,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 65:[75, 88], Operations: ['27+48=75', '79+9=88'] Exploring Operation: 88-75=13, Resulting Numbers: [13] 13,65 unequal: No Solution Exploring Operation: 75*88=6600, Resulting Numbers: [6600] 6600,65 unequal: No Solution Exploring Operation: 75+88=163, Resulting Numbers: [163] 163,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 65:[79, 84], Operations: ['27+48=75', '9+75=84'] Exploring Operation: 84-79=5, Resulting Numbers: [5] 5,65 unequal: No Solution Exploring Operation: 79*84=6636, Resulting Numbers: [6636] 6636,65 unequal: No Solution Exploring Operation: 79+84=163, Resulting Numbers: [163] 163,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[79, 48, 3], Operations: ['27/9=3'] Exploring Operation: 79+3=82, Resulting Numbers: [48, 82] Generated Node #0,0,0: 65:[48, 82] Operation: 79+3=82 Exploring Operation: 48/3=16, Resulting Numbers: [79, 16] Generated Node #0,0,1: 65:[79, 16] Operation: 48/3=16 Exploring Operation: 48+3=51, Resulting Numbers: [79, 51] Generated Node #0,0,2: 65:[79, 51] Operation: 48+3=51 Exploring Operation: 79-3=76, Resulting Numbers: [48, 76] Generated Node #0,0,3: 65:[48, 76] Operation: 79-3=76 Exploring Operation: 79-48=31, Resulting Numbers: [3, 31] Generated Node #0,0,4: 65:[3, 31] Operation: 79-48=31 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 65:[79, 16], Operations: ['27/9=3', '48/3=16'] Exploring Operation: 79*16=1264, Resulting Numbers: [1264] 1264,65 unequal: No Solution Exploring Operation: 79+16=95, Resulting Numbers: [95] 95,65 unequal: No Solution Exploring Operation: 79-16=63, Resulting Numbers: [63] 63,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 65:[3, 31], Operations: ['27/9=3', '79-48=31'] Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,65 unequal: No Solution Exploring Operation: 3*31=93, Resulting Numbers: [93] 93,65 unequal: No Solution Exploring Operation: 3+31=34, Resulting Numbers: [34] 34,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 65:[79, 51], Operations: ['27/9=3', '48+3=51'] Exploring Operation: 79-51=28, Resulting Numbers: [28] 28,65 unequal: No Solution Exploring Operation: 79+51=130, Resulting Numbers: [130] 130,65 unequal: No Solution Exploring Operation: 79*51=4029, Resulting Numbers: [4029] 4029,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 65:[48, 76], Operations: ['27/9=3', '79-3=76'] Exploring Operation: 48*76=3648, Resulting Numbers: [3648] 3648,65 unequal: No Solution Exploring Operation: 48+76=124, Resulting Numbers: [124] 124,65 unequal: No Solution Exploring Operation: 76-48=28, Resulting Numbers: [28] 28,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 65:[48, 82], Operations: ['27/9=3', '79+3=82'] Exploring Operation: 48*82=3936, Resulting Numbers: [3936] 3936,65 unequal: No Solution Exploring Operation: 48+82=130, Resulting Numbers: [130] 130,65 unequal: No Solution Exploring Operation: 82-48=34, Resulting Numbers: [34] 34,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 65:[48, 9, 52], Operations: ['79-27=52'] Exploring Operation: 48+52=100, Resulting Numbers: [9, 100] Generated Node #0,3,0: 65:[9, 100] Operation: 48+52=100 Exploring Operation: 52-48=4, Resulting Numbers: [9, 4] Generated Node #0,3,1: 65:[9, 4] Operation: 52-48=4 Exploring Operation: 9+52=61, Resulting Numbers: [48, 61] Generated Node #0,3,2: 65:[48, 61] Operation: 9+52=61 Exploring Operation: 48-9=39, Resulting Numbers: [52, 39] Generated Node #0,3,3: 65:[52, 39] Operation: 48-9=39 Exploring Operation: 48+9=57, Resulting Numbers: [52, 57] Generated Node #0,3,4: 65:[52, 57] Operation: 48+9=57 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 65:[9, 4], Operations: ['79-27=52', '52-48=4'] Exploring Operation: 9+4=13, Resulting Numbers: [13] 13,65 unequal: No Solution Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,65 unequal: No Solution Exploring Operation: 9*4=36, Resulting Numbers: [36] 36,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 65:[48, 61], Operations: ['79-27=52', '9+52=61'] Exploring Operation: 61-48=13, Resulting Numbers: [13] 13,65 unequal: No Solution Exploring Operation: 48+61=109, Resulting Numbers: [109] 109,65 unequal: No Solution Exploring Operation: 48*61=2928, Resulting Numbers: [2928] 2928,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 65:[52, 57], Operations: ['79-27=52', '48+9=57'] Exploring Operation: 57-52=5, Resulting Numbers: [5] 5,65 unequal: No Solution Exploring Operation: 52+57=109, Resulting Numbers: [109] 109,65 unequal: No Solution Exploring Operation: 52*57=2964, Resulting Numbers: [2964] 2964,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 65:[9, 100], Operations: ['79-27=52', '48+52=100'] Exploring Operation: 100-9=91, Resulting Numbers: [91] 91,65 unequal: No Solution Exploring Operation: 9+100=109, Resulting Numbers: [109] 109,65 unequal: No Solution Exploring Operation: 9*100=900, Resulting Numbers: [900] 900,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 65:[52, 39], Operations: ['79-27=52', '48-9=39'] Exploring Operation: 52+39=91, Resulting Numbers: [91] 91,65 unequal: No Solution Exploring Operation: 52-39=13, Resulting Numbers: [13] 13,65 unequal: No Solution Exploring Operation: 52*39=2028, Resulting Numbers: [2028] 2028,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 65:[27, 9, 31], Operations: ['79-48=31'] Exploring Operation: 31-9=22, Resulting Numbers: [27, 22] Generated Node #0,4,0: 65:[27, 22] Operation: 31-9=22 Exploring Operation: 27-9=18, Resulting Numbers: [31, 18] Generated Node #0,4,1: 65:[31, 18] Operation: 27-9=18 Exploring Operation: 27/9=3, Resulting Numbers: [31, 3] Generated Node #0,4,2: 65:[31, 3] Operation: 27/9=3 Exploring Operation: 31-27=4, Resulting Numbers: [9, 4] Generated Node #0,4,3: 65:[9, 4] Operation: 31-27=4 Exploring Operation: 27+31=58, Resulting Numbers: [9, 58] Generated Node #0,4,4: 65:[9, 58] Operation: 27+31=58 Moving to Node #0,4,3 Current State: 65:[9, 4], Operations: ['79-48=31', '31-27=4'] Exploring Operation: 9+4=13, Resulting Numbers: [13] 13,65 unequal: No Solution Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,65 unequal: No Solution Exploring Operation: 9*4=36, Resulting Numbers: [36] 36,65 unequal: No Solution Moving to Node #0,4,4 Current State: 65:[9, 58], Operations: ['79-48=31', '27+31=58'] Exploring Operation: 58-9=49, Resulting Numbers: [49] 49,65 unequal: No Solution Exploring Operation: 9*58=522, Resulting Numbers: [522] 522,65 unequal: No Solution Exploring Operation: 9+58=67, Resulting Numbers: [67] 67,65 unequal: No Solution Moving to Node #0,4,2 Current State: 65:[31, 3], Operations: ['79-48=31', '27/9=3'] Exploring Operation: 31+3=34, Resulting Numbers: [34] 34,65 unequal: No Solution Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,65 unequal: No Solution Exploring Operation: 31*3=93, Resulting Numbers: [93] 93,65 unequal: No Solution Moving to Node #0,4,0 Current State: 65:[27, 22], Operations: ['79-48=31', '31-9=22'] Exploring Operation: 27+22=49, Resulting Numbers: [49] 49,65 unequal: No Solution Exploring Operation: 27*22=594, Resulting Numbers: [594] 594,65 unequal: No Solution Exploring Operation: 27-22=5, Resulting Numbers: [5] 5,65 unequal: No Solution Moving to Node #0,4,1 Current State: 65:[31, 18], Operations: ['79-48=31', '27-9=18'] Exploring Operation: 31*18=558, Resulting Numbers: [558] 558,65 unequal: No Solution Exploring Operation: 31-18=13, Resulting Numbers: [13] 13,65 unequal: No Solution Exploring Operation: 31+18=49, Resulting Numbers: [49] 49,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 70, 43, 73, 80 ]
49
[ "73-70=3", "43*3=129", "129-80=49" ]
Current State: 49:[70, 43, 73, 80], Operations: [] Exploring Operation: 73-70=3, Resulting Numbers: [43, 80, 3] Generated Node #2: [43, 80, 3] from Operation: 73-70=3 Current State: 49:[43, 80, 3], Operations: ['73-70=3'] Exploring Operation: 43*3=129, Resulting Numbers: [80, 129] Generated Node #3: [80, 129] from Operation: 43*3=129 Current State: 49:[80, 129], Operations: ['73-70=3', '43*3=129'] Exploring Operation: 129-80=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[70, 43, 73, 80], Operations: [] Exploring Operation: 80-73=7, Resulting Numbers: [70, 43, 7] Generated Node #0,0: 49:[70, 43, 7] Operation: 80-73=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[70, 43, 7], Operations: ['80-73=7'] Exploring Operation: 70/7=10, Resulting Numbers: [43, 10] Generated Node #0,0,0: 49:[43, 10] Operation: 70/7=10 Moving to Node #0,0,0 Current State: 49:[43, 10], Operations: ['80-73=7', '70/7=10'] Exploring Operation: 43+10=53, Resulting Numbers: [53] 53,49 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
[ 68, 90, 88, 4 ]
30
[ "90-88=2", "68/2=34", "34-4=30" ]
Current State: 30:[68, 90, 88, 4], Operations: [] Exploring Operation: 90-88=2, Resulting Numbers: [68, 4, 2] Generated Node #2: [68, 4, 2] from Operation: 90-88=2 Current State: 30:[68, 4, 2], Operations: ['90-88=2'] Exploring Operation: 68/2=34, Resulting Numbers: [4, 34] Generated Node #3: [4, 34] from Operation: 68/2=34 Current State: 30:[4, 34], Operations: ['90-88=2', '68/2=34'] Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[68, 90, 88, 4], Operations: [] Exploring Operation: 90-68=22, Resulting Numbers: [88, 4, 22] Generated Node #0,0: 30:[88, 4, 22] Operation: 90-68=22 Exploring Operation: 88-68=20, Resulting Numbers: [90, 4, 20] Generated Node #0,1: 30:[90, 4, 20] Operation: 88-68=20 Exploring Operation: 90-88=2, Resulting Numbers: [68, 4, 2] Generated Node #0,2: 30:[68, 4, 2] Operation: 90-88=2 Moving to Node #0,2 Current State: 30:[68, 4, 2], Operations: ['90-88=2'] Exploring Operation: 68-4=64, Resulting Numbers: [2, 64] Generated Node #0,2,0: 30:[2, 64] Operation: 68-4=64 Exploring Operation: 68/4=17, Resulting Numbers: [2, 17] Generated Node #0,2,1: 30:[2, 17] Operation: 68/4=17 Exploring Operation: 68/2=34, Resulting Numbers: [4, 34] Generated Node #0,2,2: 30:[4, 34] Operation: 68/2=34 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 30:[2, 17], Operations: ['90-88=2', '68/4=17'] Exploring Operation: 2*17=34, Resulting Numbers: [34] 34,30 unequal: No Solution Exploring Operation: 2+17=19, Resulting Numbers: [19] 19,30 unequal: No Solution Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 30:[4, 34], Operations: ['90-88=2', '68/2=34'] Exploring Operation: 4*34=136, Resulting Numbers: [136] 136,30 unequal: No Solution Exploring Operation: 4+34=38, Resulting Numbers: [38] 38,30 unequal: No Solution Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[68, 90, 88, 4], Operations: [] Exploring Operation: 90-88=2, Resulting Numbers: [68, 4, 2] Generated Node #0,2: 30:[68, 4, 2] Operation: 90-88=2 Moving to Node #0,2 Current State: 30:[68, 4, 2], Operations: ['90-88=2'] Exploring Operation: 68/2=34, Resulting Numbers: [4, 34] Generated Node #0,2,2: 30:[4, 34] Operation: 68/2=34 Moving to Node #0,2,2 Current State: 30:[4, 34], Operations: ['90-88=2', '68/2=34'] Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
mult_heuristic
[ 35, 84, 6, 34 ]
91
[ "35+84=119", "34-6=28", "119-28=91" ]
Current State: 91:[35, 84, 6, 34], Operations: [] Exploring Operation: 35+84=119, Resulting Numbers: [6, 34, 119] Generated Node #2: [6, 34, 119] from Operation: 35+84=119 Current State: 91:[6, 34, 119], Operations: ['35+84=119'] Exploring Operation: 34-6=28, Resulting Numbers: [119, 28] Generated Node #3: [119, 28] from Operation: 34-6=28 Current State: 91:[119, 28], Operations: ['35+84=119', '34-6=28'] Exploring Operation: 119-28=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[35, 84, 6, 34], Operations: [] Exploring Operation: 84+6=90, Resulting Numbers: [35, 34, 90] Generated Node #0,0: 91:[35, 34, 90] Operation: 84+6=90 Exploring Operation: 35-6=29, Resulting Numbers: [84, 34, 29] Generated Node #0,1: 91:[84, 34, 29] Operation: 35-6=29 Exploring Operation: 35+34=69, Resulting Numbers: [84, 6, 69] Generated Node #0,2: 91:[84, 6, 69] Operation: 35+34=69 Exploring Operation: 35-34=1, Resulting Numbers: [84, 6, 1] Generated Node #0,3: 91:[84, 6, 1] Operation: 35-34=1 Start Sub Search at level 1: Moving to Node #0,3 Current State: 91:[84, 6, 1], Operations: ['35-34=1'] Exploring Operation: 84+6=90, Resulting Numbers: [1, 90] Generated Node #0,3,0: 91:[1, 90] Operation: 84+6=90 Exploring Operation: 84+1=85, Resulting Numbers: [6, 85] Generated Node #0,3,1: 91:[6, 85] Operation: 84+1=85 Exploring Operation: 84/6=14, Resulting Numbers: [1, 14] Generated Node #0,3,2: 91:[1, 14] Operation: 84/6=14 Exploring Operation: 6+1=7, Resulting Numbers: [84, 7] Generated Node #0,3,3: 91:[84, 7] Operation: 6+1=7 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 91:[1, 90], Operations: ['35-34=1', '84+6=90'] Exploring Operation: 1+90=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[35, 84, 6, 34], Operations: [] Exploring Operation: 35-34=1, Resulting Numbers: [84, 6, 1] Generated Node #0,3: 91:[84, 6, 1] Operation: 35-34=1 Moving to Node #0,3 Current State: 91:[84, 6, 1], Operations: ['35-34=1'] Exploring Operation: 84+6=90, Resulting Numbers: [1, 90] Generated Node #0,3,0: 91:[1, 90] Operation: 84+6=90 Moving to Node #0,3,0 Current State: 91:[1, 90], Operations: ['35-34=1', '84+6=90'] Exploring Operation: 1+90=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 23, 19, 18, 42 ]
96
[ "23-19=4", "42-18=24", "4*24=96" ]
Current State: 96:[23, 19, 18, 42], Operations: [] Exploring Operation: 23-19=4, Resulting Numbers: [18, 42, 4] Generated Node #2: [18, 42, 4] from Operation: 23-19=4 Current State: 96:[18, 42, 4], Operations: ['23-19=4'] Exploring Operation: 42-18=24, Resulting Numbers: [4, 24] Generated Node #3: [4, 24] from Operation: 42-18=24 Current State: 96:[4, 24], Operations: ['23-19=4', '42-18=24'] Exploring Operation: 4*24=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[23, 19, 18, 42], Operations: [] Exploring Operation: 23-19=4, Resulting Numbers: [18, 42, 4] Generated Node #0,0: 96:[18, 42, 4] Operation: 23-19=4 Exploring Operation: 42-19=23, Resulting Numbers: [23, 18, 23] Generated Node #0,1: 96:[23, 18, 23] Operation: 42-19=23 Exploring Operation: 42-23=19, Resulting Numbers: [19, 18, 19] Generated Node #0,2: 96:[19, 18, 19] Operation: 42-23=19 Exploring Operation: 42-18=24, Resulting Numbers: [23, 19, 24] Generated Node #0,3: 96:[23, 19, 24] Operation: 42-18=24 Start Sub Search at level 1: Moving to Node #0,1 Current State: 96:[23, 18, 23], Operations: ['42-19=23'] Exploring Operation: 23-18=5, Resulting Numbers: [23, 5] Generated Node #0,1,0: 96:[23, 5] Operation: 23-18=5 Exploring Operation: 23-18=5, Resulting Numbers: [23, 5] Generated Node #0,1,1: 96:[23, 5] Operation: 23-18=5 Exploring Operation: 23/23=1, Resulting Numbers: [18, 1] Generated Node #0,1,2: 96:[18, 1] Operation: 23/23=1 Exploring Operation: 23+23=46, Resulting Numbers: [18, 46] Generated Node #0,1,3: 96:[18, 46] Operation: 23+23=46 Moving to Node #0,1,0 Current State: 96:[23, 5], Operations: ['42-19=23', '23-18=5'] Exploring Operation: 23+5=28, Resulting Numbers: [28] 28,96 unequal: No Solution Exploring Operation: 23*5=115, Resulting Numbers: [115] 115,96 unequal: No Solution Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,96 unequal: No Solution Moving to Node #0,1,1 Current State: 96:[23, 5], Operations: ['42-19=23', '23-18=5'] Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,96 unequal: No Solution Exploring Operation: 23+5=28, Resulting Numbers: [28] 28,96 unequal: No Solution Exploring Operation: 23*5=115, Resulting Numbers: [115] 115,96 unequal: No Solution Moving to Node #0,1,2 Current State: 96:[18, 1], Operations: ['42-19=23', '23/23=1'] Exploring Operation: 18+1=19, Resulting Numbers: [19] 19,96 unequal: No Solution Exploring Operation: 18*1=18, Resulting Numbers: [18] 18,96 unequal: No Solution Exploring Operation: 18/1=18, Resulting Numbers: [18] 18,96 unequal: No Solution Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,96 unequal: No Solution Moving to Node #0,1,3 Current State: 96:[18, 46], Operations: ['42-19=23', '23+23=46'] Exploring Operation: 18*46=828, Resulting Numbers: [828] 828,96 unequal: No Solution Exploring Operation: 46-18=28, Resulting Numbers: [28] 28,96 unequal: No Solution Exploring Operation: 18+46=64, Resulting Numbers: [64] 64,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 96:[23, 19, 24], Operations: ['42-18=24'] Exploring Operation: 24-23=1, Resulting Numbers: [19, 1] Generated Node #0,3,0: 96:[19, 1] Operation: 24-23=1 Exploring Operation: 23-19=4, Resulting Numbers: [24, 4] Generated Node #0,3,1: 96:[24, 4] Operation: 23-19=4 Exploring Operation: 24-19=5, Resulting Numbers: [23, 5] Generated Node #0,3,2: 96:[23, 5] Operation: 24-19=5 Exploring Operation: 23+24=47, Resulting Numbers: [19, 47] Generated Node #0,3,3: 96:[19, 47] Operation: 23+24=47 Moving to Node #0,3,1 Current State: 96:[24, 4], Operations: ['42-18=24', '23-19=4'] Exploring Operation: 24*4=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[23, 19, 18, 42], Operations: [] Exploring Operation: 42-18=24, Resulting Numbers: [23, 19, 24] Generated Node #0,3: 96:[23, 19, 24] Operation: 42-18=24 Moving to Node #0,3 Current State: 96:[23, 19, 24], Operations: ['42-18=24'] Exploring Operation: 23-19=4, Resulting Numbers: [24, 4] Generated Node #0,3,1: 96:[24, 4] Operation: 23-19=4 Moving to Node #0,3,1 Current State: 96:[24, 4], Operations: ['42-18=24', '23-19=4'] Exploring Operation: 24*4=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_4
sum_heuristic
[ 4, 23, 45, 37 ]
51
[ "45-23=22", "4*22=88", "88-37=51" ]
Current State: 51:[4, 23, 45, 37], Operations: [] Exploring Operation: 45-23=22, Resulting Numbers: [4, 37, 22] Generated Node #2: [4, 37, 22] from Operation: 45-23=22 Current State: 51:[4, 37, 22], Operations: ['45-23=22'] Exploring Operation: 4*22=88, Resulting Numbers: [37, 88] Generated Node #3: [37, 88] from Operation: 4*22=88 Current State: 51:[37, 88], Operations: ['45-23=22', '4*22=88'] Exploring Operation: 88-37=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[4, 23, 45, 37], Operations: [] Exploring Operation: 23+37=60, Resulting Numbers: [4, 45, 60] Generated Node #0,0: 51:[4, 45, 60] Operation: 23+37=60 Exploring Operation: 37-23=14, Resulting Numbers: [4, 45, 14] Generated Node #0,1: 51:[4, 45, 14] Operation: 37-23=14 Exploring Operation: 45-37=8, Resulting Numbers: [4, 23, 8] Generated Node #0,2: 51:[4, 23, 8] Operation: 45-37=8 Moving to Node #0,1 Current State: 51:[4, 45, 14], Operations: ['37-23=14'] Exploring Operation: 4+14=18, Resulting Numbers: [45, 18] Generated Node #0,1,0: 51:[45, 18] Operation: 4+14=18 Exploring Operation: 4+45=49, Resulting Numbers: [14, 49] Generated Node #0,1,1: 51:[14, 49] Operation: 4+45=49 Exploring Operation: 45+14=59, Resulting Numbers: [4, 59] Generated Node #0,1,2: 51:[4, 59] Operation: 45+14=59 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 51:[14, 49], Operations: ['37-23=14', '4+45=49'] Exploring Operation: 14*49=686, Resulting Numbers: [686] 686,51 unequal: No Solution Exploring Operation: 49-14=35, Resulting Numbers: [35] 35,51 unequal: No Solution Exploring Operation: 14+49=63, Resulting Numbers: [63] 63,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 51:[45, 18], Operations: ['37-23=14', '4+14=18'] Exploring Operation: 45+18=63, Resulting Numbers: [63] 63,51 unequal: No Solution Exploring Operation: 45-18=27, Resulting Numbers: [27] 27,51 unequal: No Solution Exploring Operation: 45*18=810, Resulting Numbers: [810] 810,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 51:[4, 59], Operations: ['37-23=14', '45+14=59'] Exploring Operation: 4+59=63, Resulting Numbers: [63] 63,51 unequal: No Solution Exploring Operation: 59-4=55, Resulting Numbers: [55] 55,51 unequal: No Solution Exploring Operation: 4*59=236, Resulting Numbers: [236] 236,51 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: 51:[4, 23, 8], Operations: ['45-37=8'] Exploring Operation: 8-4=4, Resulting Numbers: [23, 4] Generated Node #0,2,0: 51:[23, 4] Operation: 8-4=4 Exploring Operation: 23-8=15, Resulting Numbers: [4, 15] Generated Node #0,2,1: 51:[4, 15] Operation: 23-8=15 Exploring Operation: 23-4=19, Resulting Numbers: [8, 19] Generated Node #0,2,2: 51:[8, 19] Operation: 23-4=19 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 51:[4, 15], Operations: ['45-37=8', '23-8=15'] Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,51 unequal: No Solution Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,51 unequal: No Solution Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,51 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 #0,2,0 Current State: 51:[23, 4], Operations: ['45-37=8', '8-4=4'] Exploring Operation: 23*4=92, Resulting Numbers: [92] 92,51 unequal: No Solution Exploring Operation: 23+4=27, Resulting Numbers: [27] 27,51 unequal: No Solution Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 51:[8, 19], Operations: ['45-37=8', '23-4=19'] Exploring Operation: 8*19=152, Resulting Numbers: [152] 152,51 unequal: No Solution Exploring Operation: 19-8=11, Resulting Numbers: [11] 11,51 unequal: No Solution Exploring Operation: 8+19=27, Resulting Numbers: [27] 27,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 51:[4, 45, 60], Operations: ['23+37=60'] Exploring Operation: 60/4=15, Resulting Numbers: [45, 15] Generated Node #0,0,0: 51:[45, 15] Operation: 60/4=15 Exploring Operation: 60-45=15, Resulting Numbers: [4, 15] Generated Node #0,0,1: 51:[4, 15] Operation: 60-45=15 Exploring Operation: 4+45=49, Resulting Numbers: [60, 49] Generated Node #0,0,2: 51:[60, 49] Operation: 4+45=49 Moving to Node #0,0,1 Current State: 51:[4, 15], Operations: ['23+37=60', '60-45=15'] Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,51 unequal: No Solution Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,51 unequal: No Solution Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,51 unequal: No Solution Moving to Node #0,0,0 Current State: 51:[45, 15], Operations: ['23+37=60', '60/4=15'] Exploring Operation: 45/15=3, Resulting Numbers: [3] 3,51 unequal: No Solution Exploring Operation: 45-15=30, Resulting Numbers: [30] 30,51 unequal: No Solution Exploring Operation: 45+15=60, Resulting Numbers: [60] 60,51 unequal: No Solution Moving to Node #0,0,2 Current State: 51:[60, 49], Operations: ['23+37=60', '4+45=49'] Exploring Operation: 60+49=109, Resulting Numbers: [109] 109,51 unequal: No Solution Exploring Operation: 60*49=2940, Resulting Numbers: [2940] 2940,51 unequal: No Solution Exploring Operation: 60-49=11, Resulting Numbers: [11] 11,51 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 2, 56, 84, 40 ]
58
[ "84/2=42", "56-40=16", "42+16=58" ]
Current State: 58:[2, 56, 84, 40], Operations: [] Exploring Operation: 84/2=42, Resulting Numbers: [56, 40, 42] Generated Node #2: [56, 40, 42] from Operation: 84/2=42 Current State: 58:[56, 40, 42], Operations: ['84/2=42'] Exploring Operation: 56-40=16, Resulting Numbers: [42, 16] Generated Node #3: [42, 16] from Operation: 56-40=16 Current State: 58:[42, 16], Operations: ['84/2=42', '56-40=16'] Exploring Operation: 42+16=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[2, 56, 84, 40], Operations: [] Exploring Operation: 84-56=28, Resulting Numbers: [2, 40, 28] Generated Node #0,0: 58:[2, 40, 28] Operation: 84-56=28 Exploring Operation: 2+56=58, Resulting Numbers: [84, 40, 58] Generated Node #0,1: 58:[84, 40, 58] Operation: 2+56=58 Exploring Operation: 84-40=44, Resulting Numbers: [2, 56, 44] Generated Node #0,2: 58:[2, 56, 44] Operation: 84-40=44 Exploring Operation: 84/2=42, Resulting Numbers: [56, 40, 42] Generated Node #0,3: 58:[56, 40, 42] Operation: 84/2=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[2, 40, 28], Operations: ['84-56=28'] Exploring Operation: 40/2=20, Resulting Numbers: [28, 20] Generated Node #0,0,0: 58:[28, 20] Operation: 40/2=20 Exploring Operation: 40-28=12, Resulting Numbers: [2, 12] Generated Node #0,0,1: 58:[2, 12] Operation: 40-28=12 Exploring Operation: 40-2=38, Resulting Numbers: [28, 38] Generated Node #0,0,2: 58:[28, 38] Operation: 40-2=38 Exploring Operation: 40+28=68, Resulting Numbers: [2, 68] Generated Node #0,0,3: 58:[2, 68] Operation: 40+28=68 Moving to Node #0,0,0 Current State: 58:[28, 20], Operations: ['84-56=28', '40/2=20'] Exploring Operation: 28*20=560, Resulting Numbers: [560] 560,58 unequal: No Solution Exploring Operation: 28-20=8, Resulting Numbers: [8] 8,58 unequal: No Solution Exploring Operation: 28+20=48, Resulting Numbers: [48] 48,58 unequal: No Solution Moving to Node #0,0,2 Current State: 58:[28, 38], Operations: ['84-56=28', '40-2=38'] Exploring Operation: 38-28=10, Resulting Numbers: [10] 10,58 unequal: No Solution Exploring Operation: 28+38=66, Resulting Numbers: [66] 66,58 unequal: No Solution Exploring Operation: 28*38=1064, Resulting Numbers: [1064] 1064,58 unequal: No Solution Moving to Node #0,0,1 Current State: 58:[2, 12], Operations: ['84-56=28', '40-28=12'] Exploring Operation: 2*12=24, Resulting Numbers: [24] 24,58 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,58 unequal: No Solution Exploring Operation: 2+12=14, Resulting Numbers: [14] 14,58 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,58 unequal: No Solution Moving to Node #0,0,3 Current State: 58:[2, 68], Operations: ['84-56=28', '40+28=68'] Exploring Operation: 68/2=34, Resulting Numbers: [34] 34,58 unequal: No Solution Exploring Operation: 2+68=70, Resulting Numbers: [70] 70,58 unequal: No Solution Exploring Operation: 2*68=136, Resulting Numbers: [136] 136,58 unequal: No Solution Exploring Operation: 68-2=66, Resulting Numbers: [66] 66,58 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 #0,2 Current State: 58:[2, 56, 44], Operations: ['84-40=44'] Exploring Operation: 2+44=46, Resulting Numbers: [56, 46] Generated Node #0,2,0: 58:[56, 46] Operation: 2+44=46 Exploring Operation: 44/2=22, Resulting Numbers: [56, 22] Generated Node #0,2,1: 58:[56, 22] Operation: 44/2=22 Exploring Operation: 56-44=12, Resulting Numbers: [2, 12] Generated Node #0,2,2: 58:[2, 12] Operation: 56-44=12 Exploring Operation: 2+56=58, Resulting Numbers: [44, 58] Generated Node #0,2,3: 58:[44, 58] Operation: 2+56=58 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 58:[56, 22], Operations: ['84-40=44', '44/2=22'] Exploring Operation: 56*22=1232, Resulting Numbers: [1232] 1232,58 unequal: No Solution Exploring Operation: 56-22=34, Resulting Numbers: [34] 34,58 unequal: No Solution Exploring Operation: 56+22=78, Resulting Numbers: [78] 78,58 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 #0,2,2 Current State: 58:[2, 12], Operations: ['84-40=44', '56-44=12'] Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,58 unequal: No Solution Exploring Operation: 2*12=24, Resulting Numbers: [24] 24,58 unequal: No Solution Exploring Operation: 2+12=14, Resulting Numbers: [14] 14,58 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,58 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 #0,2,0 Current State: 58:[56, 46], Operations: ['84-40=44', '2+44=46'] Exploring Operation: 56-46=10, Resulting Numbers: [10] 10,58 unequal: No Solution Exploring Operation: 56*46=2576, Resulting Numbers: [2576] 2576,58 unequal: No Solution Exploring Operation: 56+46=102, Resulting Numbers: [102] 102,58 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 #0,2,3 Current State: 58:[44, 58], Operations: ['84-40=44', '2+56=58'] Exploring Operation: 44*58=2552, Resulting Numbers: [2552] 2552,58 unequal: No Solution Exploring Operation: 44+58=102, Resulting Numbers: [102] 102,58 unequal: No Solution Exploring Operation: 58-44=14, Resulting Numbers: [14] 14,58 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 #0,3 Current State: 58:[56, 40, 42], Operations: ['84/2=42'] Exploring Operation: 56-42=14, Resulting Numbers: [40, 14] Generated Node #0,3,0: 58:[40, 14] Operation: 56-42=14 Exploring Operation: 42-40=2, Resulting Numbers: [56, 2] Generated Node #0,3,1: 58:[56, 2] Operation: 42-40=2 Exploring Operation: 40+42=82, Resulting Numbers: [56, 82] Generated Node #0,3,2: 58:[56, 82] Operation: 40+42=82 Exploring Operation: 56-40=16, Resulting Numbers: [42, 16] Generated Node #0,3,3: 58:[42, 16] Operation: 56-40=16 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 58:[56, 2], Operations: ['84/2=42', '42-40=2'] Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,58 unequal: No Solution Exploring Operation: 56+2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[2, 56, 84, 40], Operations: [] Exploring Operation: 84/2=42, Resulting Numbers: [56, 40, 42] Generated Node #0,3: 58:[56, 40, 42] Operation: 84/2=42 Moving to Node #0,3 Current State: 58:[56, 40, 42], Operations: ['84/2=42'] Exploring Operation: 42-40=2, Resulting Numbers: [56, 2] Generated Node #0,3,1: 58:[56, 2] Operation: 42-40=2 Moving to Node #0,3,1 Current State: 58:[56, 2], Operations: ['84/2=42', '42-40=2'] Exploring Operation: 56+2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.957465
hs_4
mult_heuristic
[ 23, 23, 12, 47 ]
21
[ "47-23=24", "24/12=2", "23-2=21" ]
Current State: 21:[23, 23, 12, 47], Operations: [] Exploring Operation: 47-23=24, Resulting Numbers: [12, 24] Generated Node #2: [12, 24] from Operation: 47-23=24 Current State: 21:[12, 24], Operations: ['47-23=24'] Exploring Operation: 24/12=2, Resulting Numbers: [2] 2,21 equal: Goal Reached Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[23, 23, 12, 47], Operations: [] Exploring Operation: 47-12=35, Resulting Numbers: [23, 23, 35] Generated Node #0,0: 21:[23, 23, 35] Operation: 47-12=35 Exploring Operation: 47-23=24, Resulting Numbers: [23, 12, 24] Generated Node #0,1: 21:[23, 12, 24] Operation: 47-23=24 Exploring Operation: 47-23=24, Resulting Numbers: [23, 12, 24] Generated Node #0,2: 21:[23, 12, 24] Operation: 47-23=24 Exploring Operation: 23-12=11, Resulting Numbers: [23, 47, 11] Generated Node #0,3: 21:[23, 47, 11] Operation: 23-12=11 Moving to Node #0,1 Current State: 21:[23, 12, 24], Operations: ['47-23=24'] Exploring Operation: 24/12=2, Resulting Numbers: [23, 2] Generated Node #0,1,0: 21:[23, 2] Operation: 24/12=2 Exploring Operation: 23-12=11, Resulting Numbers: [24, 11] Generated Node #0,1,1: 21:[24, 11] Operation: 23-12=11 Exploring Operation: 24-23=1, Resulting Numbers: [12, 1] Generated Node #0,1,2: 21:[12, 1] Operation: 24-23=1 Exploring Operation: 24-12=12, Resulting Numbers: [23, 12] Generated Node #0,1,3: 21:[23, 12] Operation: 24-12=12 Moving to Node #0,2 Current State: 21:[23, 12, 24], Operations: ['47-23=24'] Exploring Operation: 24/12=2, Resulting Numbers: [23, 2] Generated Node #0,2,0: 21:[23, 2] Operation: 24/12=2 Exploring Operation: 24-23=1, Resulting Numbers: [12, 1] Generated Node #0,2,1: 21:[12, 1] Operation: 24-23=1 Exploring Operation: 23-12=11, Resulting Numbers: [24, 11] Generated Node #0,2,2: 21:[24, 11] Operation: 23-12=11 Exploring Operation: 24-12=12, Resulting Numbers: [23, 12] Generated Node #0,2,3: 21:[23, 12] Operation: 24-12=12 Moving to Node #0,0 Current State: 21:[23, 23, 35], Operations: ['47-12=35'] Exploring Operation: 35-23=12, Resulting Numbers: [23, 12] Generated Node #0,0,0: 21:[23, 12] Operation: 35-23=12 Exploring Operation: 23/23=1, Resulting Numbers: [35, 1] Generated Node #0,0,1: 21:[35, 1] Operation: 23/23=1 Exploring Operation: 35-23=12, Resulting Numbers: [23, 12] Generated Node #0,0,2: 21:[23, 12] Operation: 35-23=12 Exploring Operation: 23-23=0, Resulting Numbers: [35, 0] Generated Node #0,0,3: 21:[35, 0] Operation: 23-23=0 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 21:[23, 12], Operations: ['47-12=35', '35-23=12'] Exploring Operation: 23-12=11, Resulting Numbers: [11] 11,21 unequal: No Solution Exploring Operation: 23+12=35, Resulting Numbers: [35] 35,21 unequal: No Solution Exploring Operation: 23*12=276, Resulting Numbers: [276] 276,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 21:[23, 12], Operations: ['47-12=35', '35-23=12'] Exploring Operation: 23+12=35, Resulting Numbers: [35] 35,21 unequal: No Solution Exploring Operation: 23-12=11, Resulting Numbers: [11] 11,21 unequal: No Solution Exploring Operation: 23*12=276, Resulting Numbers: [276] 276,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 21:[35, 1], Operations: ['47-12=35', '23/23=1'] Exploring Operation: 35/1=35, Resulting Numbers: [35] 35,21 unequal: No Solution Exploring Operation: 35+1=36, Resulting Numbers: [36] 36,21 unequal: No Solution Exploring Operation: 35-1=34, Resulting Numbers: [34] 34,21 unequal: No Solution Exploring Operation: 35*1=35, Resulting Numbers: [35] 35,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 21:[35, 0], Operations: ['47-12=35', '23-23=0'] Exploring Operation: 35*0=0, Resulting Numbers: [0] 0,21 unequal: No Solution Exploring Operation: 35+0=35, Resulting Numbers: [35] 35,21 unequal: No Solution Exploring Operation: 35-0=35, Resulting Numbers: [35] 35,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 21:[23, 47, 11], Operations: ['23-12=11'] Exploring Operation: 47-23=24, Resulting Numbers: [11, 24] Generated Node #0,3,0: 21:[11, 24] Operation: 47-23=24 Exploring Operation: 23-11=12, Resulting Numbers: [47, 12] Generated Node #0,3,1: 21:[47, 12] Operation: 23-11=12 Exploring Operation: 23+11=34, Resulting Numbers: [47, 34] Generated Node #0,3,2: 21:[47, 34] Operation: 23+11=34 Exploring Operation: 47-11=36, Resulting Numbers: [23, 36] Generated Node #0,3,3: 21:[23, 36] Operation: 47-11=36 Moving to Node #0,1,0 Current State: 21:[23, 2], Operations: ['47-23=24', '24/12=2'] Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[23, 23, 12, 47], Operations: [] Exploring Operation: 47-23=24, Resulting Numbers: [23, 12, 24] Generated Node #0,1: 21:[23, 12, 24] Operation: 47-23=24 Moving to Node #0,1 Current State: 21:[23, 12, 24], Operations: ['47-23=24'] Exploring Operation: 24/12=2, Resulting Numbers: [23, 2] Generated Node #0,1,0: 21:[23, 2] Operation: 24/12=2 Moving to Node #0,1,0 Current State: 21:[23, 2], Operations: ['47-23=24', '24/12=2'] Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
0.967014
hs_4
mult_heuristic
[ 5, 30, 97, 61 ]
11
[ "30-5=25", "97-61=36", "36-25=11" ]
Current State: 11:[5, 30, 97, 61], Operations: [] Exploring Operation: 30-5=25, Resulting Numbers: [97, 61, 25] Generated Node #2: [97, 61, 25] from Operation: 30-5=25 Current State: 11:[97, 61, 25], Operations: ['30-5=25'] Exploring Operation: 97-61=36, Resulting Numbers: [25, 36] Generated Node #3: [25, 36] from Operation: 97-61=36 Current State: 11:[25, 36], Operations: ['30-5=25', '97-61=36'] Exploring Operation: 36-25=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[5, 30, 97, 61], Operations: [] Exploring Operation: 97-61=36, Resulting Numbers: [5, 30, 36] Generated Node #0,0: 11:[5, 30, 36] Operation: 97-61=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[5, 30, 36], Operations: ['97-61=36'] Exploring Operation: 36-30=6, Resulting Numbers: [5, 6] Generated Node #0,0,0: 11:[5, 6] Operation: 36-30=6 Moving to Node #0,0,0 Current State: 11:[5, 6], Operations: ['97-61=36', '36-30=6'] Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[5, 30, 97, 61], Operations: [] Exploring Operation: 97-61=36, Resulting Numbers: [5, 30, 36] Generated Node #0,0: 11:[5, 30, 36] Operation: 97-61=36 Moving to Node #0,0 Current State: 11:[5, 30, 36], Operations: ['97-61=36'] Exploring Operation: 36-30=6, Resulting Numbers: [5, 6] Generated Node #0,0,0: 11:[5, 6] Operation: 36-30=6 Moving to Node #0,0,0 Current State: 11:[5, 6], Operations: ['97-61=36', '36-30=6'] Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 35, 9, 96, 94 ]
17
[ "96-94=2", "9*2=18", "35-18=17" ]
Current State: 17:[35, 9, 96, 94], Operations: [] Exploring Operation: 96-94=2, Resulting Numbers: [35, 9, 2] Generated Node #2: [35, 9, 2] from Operation: 96-94=2 Current State: 17:[35, 9, 2], Operations: ['96-94=2'] Exploring Operation: 9*2=18, Resulting Numbers: [35, 18] Generated Node #3: [35, 18] from Operation: 9*2=18 Current State: 17:[35, 18], Operations: ['96-94=2', '9*2=18'] Exploring Operation: 35-18=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[35, 9, 96, 94], Operations: [] Exploring Operation: 35-9=26, Resulting Numbers: [96, 94, 26] Generated Node #0,0: 17:[96, 94, 26] Operation: 35-9=26 Exploring Operation: 96-94=2, Resulting Numbers: [35, 9, 2] Generated Node #0,1: 17:[35, 9, 2] Operation: 96-94=2 Exploring Operation: 94-35=59, Resulting Numbers: [9, 96, 59] Generated Node #0,2: 17:[9, 96, 59] Operation: 94-35=59 Exploring Operation: 96-35=61, Resulting Numbers: [9, 94, 61] Generated Node #0,3: 17:[9, 94, 61] Operation: 96-35=61 Start Sub Search at level 1: Moving to Node #0,1 Current State: 17:[35, 9, 2], Operations: ['96-94=2'] Exploring Operation: 9*2=18, Resulting Numbers: [35, 18] Generated Node #0,1,0: 17:[35, 18] Operation: 9*2=18 Exploring Operation: 35-2=33, Resulting Numbers: [9, 33] Generated Node #0,1,1: 17:[9, 33] Operation: 35-2=33 Exploring Operation: 9+2=11, Resulting Numbers: [35, 11] Generated Node #0,1,2: 17:[35, 11] Operation: 9+2=11 Exploring Operation: 35-9=26, Resulting Numbers: [2, 26] Generated Node #0,1,3: 17:[2, 26] Operation: 35-9=26 Moving to Node #0,1,0 Current State: 17:[35, 18], Operations: ['96-94=2', '9*2=18'] Exploring Operation: 35*18=630, Resulting Numbers: [630] 630,17 unequal: No Solution Exploring Operation: 35-18=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[35, 9, 96, 94], Operations: [] Exploring Operation: 96-94=2, Resulting Numbers: [35, 9, 2] Generated Node #0,1: 17:[35, 9, 2] Operation: 96-94=2 Moving to Node #0,1 Current State: 17:[35, 9, 2], Operations: ['96-94=2'] Exploring Operation: 9*2=18, Resulting Numbers: [35, 18] Generated Node #0,1,0: 17:[35, 18] Operation: 9*2=18 Moving to Node #0,1,0 Current State: 17:[35, 18], Operations: ['96-94=2', '9*2=18'] Exploring Operation: 35-18=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 4, 2, 12, 66 ]
31
[ "66-12=54", "54/2=27", "4+27=31" ]
Current State: 31:[4, 2, 12, 66], Operations: [] Exploring Operation: 66-12=54, Resulting Numbers: [4, 2, 54] Generated Node #2: [4, 2, 54] from Operation: 66-12=54 Current State: 31:[4, 2, 54], Operations: ['66-12=54'] Exploring Operation: 54/2=27, Resulting Numbers: [4, 27] Generated Node #3: [4, 27] from Operation: 54/2=27 Current State: 31:[4, 27], Operations: ['66-12=54', '54/2=27'] Exploring Operation: 4+27=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[4, 2, 12, 66], Operations: [] Exploring Operation: 66/2=33, Resulting Numbers: [4, 12, 33] Generated Node #0,0: 31:[4, 12, 33] Operation: 66/2=33 Exploring Operation: 4+12=16, Resulting Numbers: [2, 66, 16] Generated Node #0,1: 31:[2, 66, 16] Operation: 4+12=16 Exploring Operation: 4*2=8, Resulting Numbers: [12, 66, 8] Generated Node #0,2: 31:[12, 66, 8] Operation: 4*2=8 Exploring Operation: 2*12=24, Resulting Numbers: [4, 66, 24] Generated Node #0,3: 31:[4, 66, 24] Operation: 2*12=24 Exploring Operation: 4+2=6, Resulting Numbers: [12, 66, 6] Generated Node #0,4: 31:[12, 66, 6] Operation: 4+2=6 Moving to Node #0,0 Current State: 31:[4, 12, 33], Operations: ['66/2=33'] Exploring Operation: 33-4=29, Resulting Numbers: [12, 29] Generated Node #0,0,0: 31:[12, 29] Operation: 33-4=29 Exploring Operation: 4+33=37, Resulting Numbers: [12, 37] Generated Node #0,0,1: 31:[12, 37] Operation: 4+33=37 Exploring Operation: 4*12=48, Resulting Numbers: [33, 48] Generated Node #0,0,2: 31:[33, 48] Operation: 4*12=48 Exploring Operation: 12-4=8, Resulting Numbers: [33, 8] Generated Node #0,0,3: 31:[33, 8] Operation: 12-4=8 Exploring Operation: 4+12=16, Resulting Numbers: [33, 16] Generated Node #0,0,4: 31:[33, 16] Operation: 4+12=16 Moving to Node #0,3 Current State: 31:[4, 66, 24], Operations: ['2*12=24'] Exploring Operation: 24-4=20, Resulting Numbers: [66, 20] Generated Node #0,3,0: 31:[66, 20] Operation: 24-4=20 Exploring Operation: 66-4=62, Resulting Numbers: [24, 62] Generated Node #0,3,1: 31:[24, 62] Operation: 66-4=62 Exploring Operation: 4+66=70, Resulting Numbers: [24, 70] Generated Node #0,3,2: 31:[24, 70] Operation: 4+66=70 Exploring Operation: 66-24=42, Resulting Numbers: [4, 42] Generated Node #0,3,3: 31:[4, 42] Operation: 66-24=42 Exploring Operation: 4+24=28, Resulting Numbers: [66, 28] Generated Node #0,3,4: 31:[66, 28] Operation: 4+24=28 Moving to Node #0,2 Current State: 31:[12, 66, 8], Operations: ['4*2=8'] Exploring Operation: 12-8=4, Resulting Numbers: [66, 4] Generated Node #0,2,0: 31:[66, 4] Operation: 12-8=4 Exploring Operation: 66-8=58, Resulting Numbers: [12, 58] Generated Node #0,2,1: 31:[12, 58] Operation: 66-8=58 Exploring Operation: 66+8=74, Resulting Numbers: [12, 74] Generated Node #0,2,2: 31:[12, 74] Operation: 66+8=74 Exploring Operation: 66-12=54, Resulting Numbers: [8, 54] Generated Node #0,2,3: 31:[8, 54] Operation: 66-12=54 Exploring Operation: 12+8=20, Resulting Numbers: [66, 20] Generated Node #0,2,4: 31:[66, 20] Operation: 12+8=20 Moving to Node #0,1 Current State: 31:[2, 66, 16], Operations: ['4+12=16'] Exploring Operation: 2+16=18, Resulting Numbers: [66, 18] Generated Node #0,1,0: 31:[66, 18] Operation: 2+16=18 Exploring Operation: 2*16=32, Resulting Numbers: [66, 32] Generated Node #0,1,1: 31:[66, 32] Operation: 2*16=32 Exploring Operation: 66-2=64, Resulting Numbers: [16, 64] Generated Node #0,1,2: 31:[16, 64] Operation: 66-2=64 Exploring Operation: 66/2=33, Resulting Numbers: [16, 33] Generated Node #0,1,3: 31:[16, 33] Operation: 66/2=33 Exploring Operation: 66-16=50, Resulting Numbers: [2, 50] Generated Node #0,1,4: 31:[2, 50] Operation: 66-16=50 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 31:[16, 33], Operations: ['4+12=16', '66/2=33'] Exploring Operation: 16+33=49, Resulting Numbers: [49] 49,31 unequal: No Solution Exploring Operation: 33-16=17, Resulting Numbers: [17] 17,31 unequal: No Solution Exploring Operation: 16*33=528, Resulting Numbers: [528] 528,31 unequal: No Solution No 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: 31:[66, 32], Operations: ['4+12=16', '2*16=32'] Exploring Operation: 66+32=98, Resulting Numbers: [98] 98,31 unequal: No Solution Exploring Operation: 66-32=34, Resulting Numbers: [34] 34,31 unequal: No Solution Exploring Operation: 66*32=2112, Resulting Numbers: [2112] 2112,31 unequal: No Solution No 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: 31:[66, 18], Operations: ['4+12=16', '2+16=18'] Exploring Operation: 66*18=1188, Resulting Numbers: [1188] 1188,31 unequal: No Solution Exploring Operation: 66+18=84, Resulting Numbers: [84] 84,31 unequal: No Solution Exploring Operation: 66-18=48, Resulting Numbers: [48] 48,31 unequal: No Solution No 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: 31:[16, 64], Operations: ['4+12=16', '66-2=64'] Exploring Operation: 16*64=1024, Resulting Numbers: [1024] 1024,31 unequal: No Solution Exploring Operation: 16+64=80, Resulting Numbers: [80] 80,31 unequal: No Solution Exploring Operation: 64/16=4, Resulting Numbers: [4] 4,31 unequal: No Solution Exploring Operation: 64-16=48, Resulting Numbers: [48] 48,31 unequal: No Solution No 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: 31:[2, 50], Operations: ['4+12=16', '66-16=50'] Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,31 unequal: No Solution Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,31 unequal: No Solution Exploring Operation: 2+50=52, Resulting Numbers: [52] 52,31 unequal: No Solution Exploring Operation: 2*50=100, Resulting Numbers: [100] 100,31 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: 31:[12, 66, 6], Operations: ['4+2=6'] Exploring Operation: 12+6=18, Resulting Numbers: [66, 18] Generated Node #0,4,0: 31:[66, 18] Operation: 12+6=18 Exploring Operation: 66-12=54, Resulting Numbers: [6, 54] Generated Node #0,4,1: 31:[6, 54] Operation: 66-12=54 Exploring Operation: 66-6=60, Resulting Numbers: [12, 60] Generated Node #0,4,2: 31:[12, 60] Operation: 66-6=60 Exploring Operation: 12-6=6, Resulting Numbers: [66, 6] Generated Node #0,4,3: 31:[66, 6] Operation: 12-6=6 Exploring Operation: 66/6=11, Resulting Numbers: [12, 11] Generated Node #0,4,4: 31:[12, 11] Operation: 66/6=11 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 31:[12, 11], Operations: ['4+2=6', '66/6=11'] Exploring Operation: 12*11=132, Resulting Numbers: [132] 132,31 unequal: No Solution Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,31 unequal: No Solution Exploring Operation: 12+11=23, Resulting Numbers: [23] 23,31 unequal: No Solution No 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: 31:[66, 18], Operations: ['4+2=6', '12+6=18'] Exploring Operation: 66*18=1188, Resulting Numbers: [1188] 1188,31 unequal: No Solution Exploring Operation: 66-18=48, Resulting Numbers: [48] 48,31 unequal: No Solution Exploring Operation: 66+18=84, Resulting Numbers: [84] 84,31 unequal: No Solution No 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: 31:[6, 54], Operations: ['4+2=6', '66-12=54'] Exploring Operation: 54/6=9, Resulting Numbers: [9] 9,31 unequal: No Solution Exploring Operation: 54-6=48, Resulting Numbers: [48] 48,31 unequal: No Solution Exploring Operation: 6*54=324, Resulting Numbers: [324] 324,31 unequal: No Solution Exploring Operation: 6+54=60, Resulting Numbers: [60] 60,31 unequal: No Solution No 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: 31:[12, 60], Operations: ['4+2=6', '66-6=60'] Exploring Operation: 12+60=72, Resulting Numbers: [72] 72,31 unequal: No Solution Exploring Operation: 12*60=720, Resulting Numbers: [720] 720,31 unequal: No Solution Exploring Operation: 60-12=48, Resulting Numbers: [48] 48,31 unequal: No Solution Exploring Operation: 60/12=5, Resulting Numbers: [5] 5,31 unequal: No Solution No 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: 31:[66, 6], Operations: ['4+2=6', '12-6=6'] Exploring Operation: 66+6=72, Resulting Numbers: [72] 72,31 unequal: No Solution Exploring Operation: 66-6=60, Resulting Numbers: [60] 60,31 unequal: No Solution Exploring Operation: 66*6=396, Resulting Numbers: [396] 396,31 unequal: No Solution Exploring Operation: 66/6=11, Resulting Numbers: [11] 11,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,4 Current State: 31:[33, 16], Operations: ['66/2=33', '4+12=16'] Exploring Operation: 33*16=528, Resulting Numbers: [528] 528,31 unequal: No Solution Exploring Operation: 33-16=17, Resulting Numbers: [17] 17,31 unequal: No Solution Exploring Operation: 33+16=49, Resulting Numbers: [49] 49,31 unequal: No Solution Moving to Node #0,0,2 Current State: 31:[33, 48], Operations: ['66/2=33', '4*12=48'] Exploring Operation: 48-33=15, Resulting Numbers: [15] 15,31 unequal: No Solution Exploring Operation: 33*48=1584, Resulting Numbers: [1584] 1584,31 unequal: No Solution Exploring Operation: 33+48=81, Resulting Numbers: [81] 81,31 unequal: No Solution Moving to Node #0,0,0 Current State: 31:[12, 29], Operations: ['66/2=33', '33-4=29'] Exploring Operation: 12+29=41, Resulting Numbers: [41] 41,31 unequal: No Solution Exploring Operation: 12*29=348, Resulting Numbers: [348] 348,31 unequal: No Solution Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,31 unequal: No Solution Moving to Node #0,0,3 Current State: 31:[33, 8], Operations: ['66/2=33', '12-4=8'] Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,31 unequal: No Solution Exploring Operation: 33+8=41, Resulting Numbers: [41] 41,31 unequal: No Solution Exploring Operation: 33*8=264, Resulting Numbers: [264] 264,31 unequal: No Solution Moving to Node #0,0,1 Current State: 31:[12, 37], Operations: ['66/2=33', '4+33=37'] Exploring Operation: 12+37=49, Resulting Numbers: [49] 49,31 unequal: No Solution Exploring Operation: 37-12=25, Resulting Numbers: [25] 25,31 unequal: No Solution Exploring Operation: 12*37=444, Resulting Numbers: [444] 444,31 unequal: No Solution Moving to Node #0,3,3 Current State: 31:[4, 42], Operations: ['2*12=24', '66-24=42'] Exploring Operation: 4+42=46, Resulting Numbers: [46] 46,31 unequal: No Solution Exploring Operation: 4*42=168, Resulting Numbers: [168] 168,31 unequal: No Solution Exploring Operation: 42-4=38, Resulting Numbers: [38] 38,31 unequal: No Solution Moving to Node #0,3,1 Current State: 31:[24, 62], Operations: ['2*12=24', '66-4=62'] Exploring Operation: 24+62=86, Resulting Numbers: [86] 86,31 unequal: No Solution Exploring Operation: 62-24=38, Resulting Numbers: [38] 38,31 unequal: No Solution Exploring Operation: 24*62=1488, Resulting Numbers: [1488] 1488,31 unequal: No Solution Moving to Node #0,3,4 Current State: 31:[66, 28], Operations: ['2*12=24', '4+24=28'] Exploring Operation: 66+28=94, Resulting Numbers: [94] 94,31 unequal: No Solution Exploring Operation: 66*28=1848, Resulting Numbers: [1848] 1848,31 unequal: No Solution Exploring Operation: 66-28=38, Resulting Numbers: [38] 38,31 unequal: No Solution Moving to Node #0,3,2 Current State: 31:[24, 70], Operations: ['2*12=24', '4+66=70'] Exploring Operation: 24*70=1680, Resulting Numbers: [1680] 1680,31 unequal: No Solution Exploring Operation: 70-24=46, Resulting Numbers: [46] 46,31 unequal: No Solution Exploring Operation: 24+70=94, Resulting Numbers: [94] 94,31 unequal: No Solution Moving to Node #0,2,4 Current State: 31:[66, 20], Operations: ['4*2=8', '12+8=20'] Exploring Operation: 66-20=46, Resulting Numbers: [46] 46,31 unequal: No Solution Exploring Operation: 66*20=1320, Resulting Numbers: [1320] 1320,31 unequal: No Solution Exploring Operation: 66+20=86, Resulting Numbers: [86] 86,31 unequal: No Solution Moving to Node #0,2,1 Current State: 31:[12, 58], Operations: ['4*2=8', '66-8=58'] Exploring Operation: 12+58=70, Resulting Numbers: [70] 70,31 unequal: No Solution Exploring Operation: 58-12=46, Resulting Numbers: [46] 46,31 unequal: No Solution Exploring Operation: 12*58=696, Resulting Numbers: [696] 696,31 unequal: No Solution Moving to Node #0,2,3 Current State: 31:[8, 54], Operations: ['4*2=8', '66-12=54'] Exploring Operation: 8*54=432, Resulting Numbers: [432] 432,31 unequal: No Solution Exploring Operation: 8+54=62, Resulting Numbers: [62] 62,31 unequal: No Solution Exploring Operation: 54-8=46, Resulting Numbers: [46] 46,31 unequal: No Solution Moving to Node #0,3,0 Current State: 31:[66, 20], Operations: ['2*12=24', '24-4=20'] Exploring Operation: 66+20=86, Resulting Numbers: [86] 86,31 unequal: No Solution Exploring Operation: 66*20=1320, Resulting Numbers: [1320] 1320,31 unequal: No Solution Exploring Operation: 66-20=46, Resulting Numbers: [46] 46,31 unequal: No Solution Moving to Node #0,2,0 Current State: 31:[66, 4], Operations: ['4*2=8', '12-8=4'] Exploring Operation: 66-4=62, Resulting Numbers: [62] 62,31 unequal: No Solution Exploring Operation: 66+4=70, Resulting Numbers: [70] 70,31 unequal: No Solution Exploring Operation: 66*4=264, Resulting Numbers: [264] 264,31 unequal: No Solution Moving to Node #0,2,2 Current State: 31:[12, 74], Operations: ['4*2=8', '66+8=74'] Exploring Operation: 12*74=888, Resulting Numbers: [888] 888,31 unequal: No Solution Exploring Operation: 74-12=62, Resulting Numbers: [62] 62,31 unequal: No Solution Exploring Operation: 12+74=86, Resulting Numbers: [86] 86,31 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 84, 32, 96, 16 ]
65
[ "84-16=68", "96/32=3", "68-3=65" ]
Current State: 65:[84, 32, 96, 16], Operations: [] Exploring Operation: 84-16=68, Resulting Numbers: [32, 96, 68] Generated Node #2: [32, 96, 68] from Operation: 84-16=68 Current State: 65:[32, 96, 68], Operations: ['84-16=68'] Exploring Operation: 96/32=3, Resulting Numbers: [68, 3] Generated Node #3: [68, 3] from Operation: 96/32=3 Current State: 65:[68, 3], Operations: ['84-16=68', '96/32=3'] Exploring Operation: 68-3=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[84, 32, 96, 16], Operations: [] Exploring Operation: 96/16=6, Resulting Numbers: [84, 32, 6] Generated Node #0,0: 65:[84, 32, 6] Operation: 96/16=6 Exploring Operation: 96-84=12, Resulting Numbers: [32, 16, 12] Generated Node #0,1: 65:[32, 16, 12] Operation: 96-84=12 Exploring Operation: 84-32=52, Resulting Numbers: [96, 16, 52] Generated Node #0,2: 65:[96, 16, 52] Operation: 84-32=52 Exploring Operation: 96-32=64, Resulting Numbers: [84, 16, 64] Generated Node #0,3: 65:[84, 16, 64] Operation: 96-32=64 Exploring Operation: 96/32=3, Resulting Numbers: [84, 16, 3] Generated Node #0,4: 65:[84, 16, 3] Operation: 96/32=3 Moving to Node #0,1 Current State: 65:[32, 16, 12], Operations: ['96-84=12'] Exploring Operation: 32-12=20, Resulting Numbers: [16, 20] Generated Node #0,1,0: 65:[16, 20] Operation: 32-12=20 Exploring Operation: 32+16=48, Resulting Numbers: [12, 48] Generated Node #0,1,1: 65:[12, 48] Operation: 32+16=48 Exploring Operation: 32-16=16, Resulting Numbers: [12, 16] Generated Node #0,1,2: 65:[12, 16] Operation: 32-16=16 Exploring Operation: 32/16=2, Resulting Numbers: [12, 2] Generated Node #0,1,3: 65:[12, 2] Operation: 32/16=2 Exploring Operation: 16-12=4, Resulting Numbers: [32, 4] Generated Node #0,1,4: 65:[32, 4] Operation: 16-12=4 Moving to Node #0,3 Current State: 65:[84, 16, 64], Operations: ['96-32=64'] Exploring Operation: 84-64=20, Resulting Numbers: [16, 20] Generated Node #0,3,0: 65:[16, 20] Operation: 84-64=20 Exploring Operation: 84+16=100, Resulting Numbers: [64, 100] Generated Node #0,3,1: 65:[64, 100] Operation: 84+16=100 Exploring Operation: 64/16=4, Resulting Numbers: [84, 4] Generated Node #0,3,2: 65:[84, 4] Operation: 64/16=4 Exploring Operation: 16+64=80, Resulting Numbers: [84, 80] Generated Node #0,3,3: 65:[84, 80] Operation: 16+64=80 Exploring Operation: 84-16=68, Resulting Numbers: [64, 68] Generated Node #0,3,4: 65:[64, 68] Operation: 84-16=68 Moving to Node #0,4 Current State: 65:[84, 16, 3], Operations: ['96/32=3'] Exploring Operation: 16-3=13, Resulting Numbers: [84, 13] Generated Node #0,4,0: 65:[84, 13] Operation: 16-3=13 Exploring Operation: 84-3=81, Resulting Numbers: [16, 81] Generated Node #0,4,1: 65:[16, 81] Operation: 84-3=81 Exploring Operation: 84+3=87, Resulting Numbers: [16, 87] Generated Node #0,4,2: 65:[16, 87] Operation: 84+3=87 Exploring Operation: 84/3=28, Resulting Numbers: [16, 28] Generated Node #0,4,3: 65:[16, 28] Operation: 84/3=28 Exploring Operation: 84-16=68, Resulting Numbers: [3, 68] Generated Node #0,4,4: 65:[3, 68] Operation: 84-16=68 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 65:[3, 68], Operations: ['96/32=3', '84-16=68'] Exploring Operation: 3*68=204, Resulting Numbers: [204] 204,65 unequal: No Solution Exploring Operation: 68-3=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[84, 32, 96, 16], Operations: [] Exploring Operation: 96/32=3, Resulting Numbers: [84, 16, 3] Generated Node #0,4: 65:[84, 16, 3] Operation: 96/32=3 Moving to Node #0,4 Current State: 65:[84, 16, 3], Operations: ['96/32=3'] Exploring Operation: 84-16=68, Resulting Numbers: [3, 68] Generated Node #0,4,4: 65:[3, 68] Operation: 84-16=68 Moving to Node #0,4,4 Current State: 65:[3, 68], Operations: ['96/32=3', '84-16=68'] Exploring Operation: 68-3=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_5
sum_heuristic
[ 86, 34, 86, 54 ]
87
[ "86/86=1", "34+54=88", "88-1=87" ]
Current State: 87:[86, 34, 86, 54], Operations: [] Exploring Operation: 86/86=1, Resulting Numbers: [34, 54, 1] Generated Node #2: [34, 54, 1] from Operation: 86/86=1 Current State: 87:[34, 54, 1], Operations: ['86/86=1'] Exploring Operation: 34+54=88, Resulting Numbers: [1, 88] Generated Node #3: [1, 88] from Operation: 34+54=88 Current State: 87:[1, 88], Operations: ['86/86=1', '34+54=88'] Exploring Operation: 88-1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[86, 34, 86, 54], Operations: [] Exploring Operation: 86-54=32, Resulting Numbers: [34, 86, 32] Generated Node #0,0: 87:[34, 86, 32] Operation: 86-54=32 Exploring Operation: 34+54=88, Resulting Numbers: [86, 86, 88] Generated Node #0,1: 87:[86, 86, 88] Operation: 34+54=88 Moving to Node #0,1 Current State: 87:[86, 86, 88], Operations: ['34+54=88'] Exploring Operation: 88-86=2, Resulting Numbers: [86, 2] Generated Node #0,1,0: 87:[86, 2] Operation: 88-86=2 Exploring Operation: 88-86=2, Resulting Numbers: [86, 2] Generated Node #0,1,1: 87:[86, 2] Operation: 88-86=2 Moving to Node #0,0 Current State: 87:[34, 86, 32], Operations: ['86-54=32'] Exploring Operation: 34-32=2, Resulting Numbers: [86, 2] Generated Node #0,0,0: 87:[86, 2] Operation: 34-32=2 Exploring Operation: 34+32=66, Resulting Numbers: [86, 66] Generated Node #0,0,1: 87:[86, 66] Operation: 34+32=66 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 87:[86, 2], Operations: ['86-54=32', '34-32=2'] Exploring Operation: 86-2=84, Resulting Numbers: [84] 84,87 unequal: No Solution Exploring Operation: 86+2=88, Resulting Numbers: [88] 88,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 87:[86, 66], Operations: ['86-54=32', '34+32=66'] Exploring Operation: 86-66=20, Resulting Numbers: [20] 20,87 unequal: No Solution Exploring Operation: 86+66=152, Resulting Numbers: [152] 152,87 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: 87:[86, 2], Operations: ['34+54=88', '88-86=2'] Exploring Operation: 86-2=84, Resulting Numbers: [84] 84,87 unequal: No Solution Exploring Operation: 86+2=88, Resulting Numbers: [88] 88,87 unequal: No Solution Moving to Node #0,1,1 Current State: 87:[86, 2], Operations: ['34+54=88', '88-86=2'] Exploring Operation: 86-2=84, Resulting Numbers: [84] 84,87 unequal: No Solution Exploring Operation: 86+2=88, Resulting Numbers: [88] 88,87 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 44, 32, 87, 75 ]
60
[ "44*75=3300", "87-32=55", "3300/55=60" ]
Current State: 60:[44, 32, 87, 75], Operations: [] Exploring Operation: 44*75=3300, Resulting Numbers: [32, 87, 3300] Generated Node #2: [32, 87, 3300] from Operation: 44*75=3300 Current State: 60:[32, 87, 3300], Operations: ['44*75=3300'] Exploring Operation: 87-32=55, Resulting Numbers: [3300, 55] Generated Node #3: [3300, 55] from Operation: 87-32=55 Current State: 60:[3300, 55], Operations: ['44*75=3300', '87-32=55'] Exploring Operation: 3300/55=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[44, 32, 87, 75], Operations: [] Exploring Operation: 75-44=31, Resulting Numbers: [32, 87, 31] Generated Node #0,0: 60:[32, 87, 31] Operation: 75-44=31 Exploring Operation: 44-32=12, Resulting Numbers: [87, 75, 12] Generated Node #0,1: 60:[87, 75, 12] Operation: 44-32=12 Exploring Operation: 87-32=55, Resulting Numbers: [44, 75, 55] Generated Node #0,2: 60:[44, 75, 55] Operation: 87-32=55 Exploring Operation: 87-75=12, Resulting Numbers: [44, 32, 12] Generated Node #0,3: 60:[44, 32, 12] Operation: 87-75=12 Exploring Operation: 87-44=43, Resulting Numbers: [32, 75, 43] Generated Node #0,4: 60:[32, 75, 43] Operation: 87-44=43 Moving to Node #0,3 Current State: 60:[44, 32, 12], Operations: ['87-75=12'] Exploring Operation: 44-32=12, Resulting Numbers: [12, 12] Generated Node #0,3,0: 60:[12, 12] Operation: 44-32=12 Exploring Operation: 44+12=56, Resulting Numbers: [32, 56] Generated Node #0,3,1: 60:[32, 56] Operation: 44+12=56 Exploring Operation: 32-12=20, Resulting Numbers: [44, 20] Generated Node #0,3,2: 60:[44, 20] Operation: 32-12=20 Exploring Operation: 44+32=76, Resulting Numbers: [12, 76] Generated Node #0,3,3: 60:[12, 76] Operation: 44+32=76 Exploring Operation: 44-12=32, Resulting Numbers: [32, 32] Generated Node #0,3,4: 60:[32, 32] Operation: 44-12=32 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 60:[12, 12], Operations: ['87-75=12', '44-32=12'] Exploring Operation: 12/12=1, Resulting Numbers: [1] 1,60 unequal: No Solution Exploring Operation: 12-12=0, Resulting Numbers: [0] 0,60 unequal: No Solution Exploring Operation: 12*12=144, Resulting Numbers: [144] 144,60 unequal: No Solution Exploring Operation: 12+12=24, Resulting Numbers: [24] 24,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 60:[32, 32], Operations: ['87-75=12', '44-12=32'] Exploring Operation: 32/32=1, Resulting Numbers: [1] 1,60 unequal: No Solution Exploring Operation: 32+32=64, Resulting Numbers: [64] 64,60 unequal: No Solution Exploring Operation: 32*32=1024, Resulting Numbers: [1024] 1024,60 unequal: No Solution Exploring Operation: 32-32=0, Resulting Numbers: [0] 0,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 60:[32, 56], Operations: ['87-75=12', '44+12=56'] Exploring Operation: 32*56=1792, Resulting Numbers: [1792] 1792,60 unequal: No Solution Exploring Operation: 56-32=24, Resulting Numbers: [24] 24,60 unequal: No Solution Exploring Operation: 32+56=88, Resulting Numbers: [88] 88,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 60:[44, 20], Operations: ['87-75=12', '32-12=20'] Exploring Operation: 44-20=24, Resulting Numbers: [24] 24,60 unequal: No Solution Exploring Operation: 44*20=880, Resulting Numbers: [880] 880,60 unequal: No Solution Exploring Operation: 44+20=64, Resulting Numbers: [64] 64,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 60:[12, 76], Operations: ['87-75=12', '44+32=76'] Exploring Operation: 76-12=64, Resulting Numbers: [64] 64,60 unequal: No Solution Exploring Operation: 12+76=88, Resulting Numbers: [88] 88,60 unequal: No Solution Exploring Operation: 12*76=912, Resulting Numbers: [912] 912,60 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: 60:[32, 75, 43], Operations: ['87-44=43'] Exploring Operation: 43-32=11, Resulting Numbers: [75, 11] Generated Node #0,4,0: 60:[75, 11] Operation: 43-32=11 Exploring Operation: 75-32=43, Resulting Numbers: [43, 43] Generated Node #0,4,1: 60:[43, 43] Operation: 75-32=43 Exploring Operation: 32+43=75, Resulting Numbers: [75, 75] Generated Node #0,4,2: 60:[75, 75] Operation: 32+43=75 Exploring Operation: 32+75=107, Resulting Numbers: [43, 107] Generated Node #0,4,3: 60:[43, 107] Operation: 32+75=107 Exploring Operation: 75-43=32, Resulting Numbers: [32, 32] Generated Node #0,4,4: 60:[32, 32] Operation: 75-43=32 Moving to Node #0,0 Current State: 60:[32, 87, 31], Operations: ['75-44=31'] Exploring Operation: 32+87=119, Resulting Numbers: [31, 119] Generated Node #0,0,0: 60:[31, 119] Operation: 32+87=119 Exploring Operation: 87-31=56, Resulting Numbers: [32, 56] Generated Node #0,0,1: 60:[32, 56] Operation: 87-31=56 Exploring Operation: 32+31=63, Resulting Numbers: [87, 63] Generated Node #0,0,2: 60:[87, 63] Operation: 32+31=63 Exploring Operation: 87-32=55, Resulting Numbers: [31, 55] Generated Node #0,0,3: 60:[31, 55] Operation: 87-32=55 Exploring Operation: 32-31=1, Resulting Numbers: [87, 1] Generated Node #0,0,4: 60:[87, 1] Operation: 32-31=1 Moving to Node #0,2 Current State: 60:[44, 75, 55], Operations: ['87-32=55'] Exploring Operation: 44+75=119, Resulting Numbers: [55, 119] Generated Node #0,2,0: 60:[55, 119] Operation: 44+75=119 Exploring Operation: 75-55=20, Resulting Numbers: [44, 20] Generated Node #0,2,1: 60:[44, 20] Operation: 75-55=20 Exploring Operation: 44+55=99, Resulting Numbers: [75, 99] Generated Node #0,2,2: 60:[75, 99] Operation: 44+55=99 Exploring Operation: 75-44=31, Resulting Numbers: [55, 31] Generated Node #0,2,3: 60:[55, 31] Operation: 75-44=31 Exploring Operation: 55-44=11, Resulting Numbers: [75, 11] Generated Node #0,2,4: 60:[75, 11] Operation: 55-44=11 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 60:[55, 31], Operations: ['87-32=55', '75-44=31'] Exploring Operation: 55+31=86, Resulting Numbers: [86] 86,60 unequal: No Solution Exploring Operation: 55*31=1705, Resulting Numbers: [1705] 1705,60 unequal: No Solution Exploring Operation: 55-31=24, Resulting Numbers: [24] 24,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 60:[44, 20], Operations: ['87-32=55', '75-55=20'] Exploring Operation: 44+20=64, Resulting Numbers: [64] 64,60 unequal: No Solution Exploring Operation: 44-20=24, Resulting Numbers: [24] 24,60 unequal: No Solution Exploring Operation: 44*20=880, Resulting Numbers: [880] 880,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 60:[75, 11], Operations: ['87-32=55', '55-44=11'] Exploring Operation: 75-11=64, Resulting Numbers: [64] 64,60 unequal: No Solution Exploring Operation: 75*11=825, Resulting Numbers: [825] 825,60 unequal: No Solution Exploring Operation: 75+11=86, Resulting Numbers: [86] 86,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 60:[75, 99], Operations: ['87-32=55', '44+55=99'] Exploring Operation: 75+99=174, Resulting Numbers: [174] 174,60 unequal: No Solution Exploring Operation: 75*99=7425, Resulting Numbers: [7425] 7425,60 unequal: No Solution Exploring Operation: 99-75=24, Resulting Numbers: [24] 24,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 60:[55, 119], Operations: ['87-32=55', '44+75=119'] Exploring Operation: 55*119=6545, Resulting Numbers: [6545] 6545,60 unequal: No Solution Exploring Operation: 119-55=64, Resulting Numbers: [64] 64,60 unequal: No Solution Exploring Operation: 55+119=174, Resulting Numbers: [174] 174,60 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: 60:[87, 75, 12], Operations: ['44-32=12'] Exploring Operation: 87+12=99, Resulting Numbers: [75, 99] Generated Node #0,1,0: 60:[75, 99] Operation: 87+12=99 Exploring Operation: 75+12=87, Resulting Numbers: [87, 87] Generated Node #0,1,1: 60:[87, 87] Operation: 75+12=87 Exploring Operation: 87-75=12, Resulting Numbers: [12, 12] Generated Node #0,1,2: 60:[12, 12] Operation: 87-75=12 Exploring Operation: 75-12=63, Resulting Numbers: [87, 63] Generated Node #0,1,3: 60:[87, 63] Operation: 75-12=63 Exploring Operation: 87-12=75, Resulting Numbers: [75, 75] Generated Node #0,1,4: 60:[75, 75] Operation: 87-12=75 Moving to Node #0,1,2 Current State: 60:[12, 12], Operations: ['44-32=12', '87-75=12'] Exploring Operation: 12+12=24, Resulting Numbers: [24] 24,60 unequal: No Solution Exploring Operation: 12-12=0, Resulting Numbers: [0] 0,60 unequal: No Solution Exploring Operation: 12*12=144, Resulting Numbers: [144] 144,60 unequal: No Solution Exploring Operation: 12/12=1, Resulting Numbers: [1] 1,60 unequal: No Solution Moving to Node #0,4,4 Current State: 60:[32, 32], Operations: ['87-44=43', '75-43=32'] Exploring Operation: 32+32=64, Resulting Numbers: [64] 64,60 unequal: No Solution Exploring Operation: 32/32=1, Resulting Numbers: [1] 1,60 unequal: No Solution Exploring Operation: 32-32=0, Resulting Numbers: [0] 0,60 unequal: No Solution Exploring Operation: 32*32=1024, Resulting Numbers: [1024] 1024,60 unequal: No Solution Moving to Node #0,0,1 Current State: 60:[32, 56], Operations: ['75-44=31', '87-31=56'] Exploring Operation: 32*56=1792, Resulting Numbers: [1792] 1792,60 unequal: No Solution Exploring Operation: 56-32=24, Resulting Numbers: [24] 24,60 unequal: No Solution Exploring Operation: 32+56=88, Resulting Numbers: [88] 88,60 unequal: No Solution Moving to Node #0,0,3 Current State: 60:[31, 55], Operations: ['75-44=31', '87-32=55'] Exploring Operation: 55-31=24, Resulting Numbers: [24] 24,60 unequal: No Solution Exploring Operation: 31*55=1705, Resulting Numbers: [1705] 1705,60 unequal: No Solution Exploring Operation: 31+55=86, Resulting Numbers: [86] 86,60 unequal: No Solution Moving to Node #0,4,0 Current State: 60:[75, 11], Operations: ['87-44=43', '43-32=11'] Exploring Operation: 75-11=64, Resulting Numbers: [64] 64,60 unequal: No Solution Exploring Operation: 75+11=86, Resulting Numbers: [86] 86,60 unequal: No Solution Exploring Operation: 75*11=825, Resulting Numbers: [825] 825,60 unequal: No Solution Moving to Node #0,4,1 Current State: 60:[43, 43], Operations: ['87-44=43', '75-32=43'] Exploring Operation: 43+43=86, Resulting Numbers: [86] 86,60 unequal: No Solution Exploring Operation: 43*43=1849, Resulting Numbers: [1849] 1849,60 unequal: No Solution Exploring Operation: 43-43=0, Resulting Numbers: [0] 0,60 unequal: No Solution Exploring Operation: 43/43=1, Resulting Numbers: [1] 1,60 unequal: No Solution Moving to Node #0,0,4 Current State: 60:[87, 1], Operations: ['75-44=31', '32-31=1'] Exploring Operation: 87-1=86, Resulting Numbers: [86] 86,60 unequal: No Solution Exploring Operation: 87*1=87, Resulting Numbers: [87] 87,60 unequal: No Solution Exploring Operation: 87/1=87, Resulting Numbers: [87] 87,60 unequal: No Solution Exploring Operation: 87+1=88, Resulting Numbers: [88] 88,60 unequal: No Solution Moving to Node #0,1,3 Current State: 60:[87, 63], Operations: ['44-32=12', '75-12=63'] Exploring Operation: 87-63=24, Resulting Numbers: [24] 24,60 unequal: No Solution Exploring Operation: 87*63=5481, Resulting Numbers: [5481] 5481,60 unequal: No Solution Exploring Operation: 87+63=150, Resulting Numbers: [150] 150,60 unequal: No Solution Moving to Node #0,0,2 Current State: 60:[87, 63], Operations: ['75-44=31', '32+31=63'] Exploring Operation: 87-63=24, Resulting Numbers: [24] 24,60 unequal: No Solution Exploring Operation: 87+63=150, Resulting Numbers: [150] 150,60 unequal: No Solution Exploring Operation: 87*63=5481, Resulting Numbers: [5481] 5481,60 unequal: No Solution Moving to Node #0,1,4 Current State: 60:[75, 75], Operations: ['44-32=12', '87-12=75'] Exploring Operation: 75-75=0, Resulting Numbers: [0] 0,60 unequal: No Solution Exploring Operation: 75+75=150, Resulting Numbers: [150] 150,60 unequal: No Solution Exploring Operation: 75/75=1, Resulting Numbers: [1] 1,60 unequal: No Solution Exploring Operation: 75*75=5625, Resulting Numbers: [5625] 5625,60 unequal: No Solution Moving to Node #0,4,2 Current State: 60:[75, 75], Operations: ['87-44=43', '32+43=75'] Exploring Operation: 75-75=0, Resulting Numbers: [0] 0,60 unequal: No Solution Exploring Operation: 75*75=5625, Resulting Numbers: [5625] 5625,60 unequal: No Solution Exploring Operation: 75+75=150, Resulting Numbers: [150] 150,60 unequal: No Solution Exploring Operation: 75/75=1, Resulting Numbers: [1] 1,60 unequal: No Solution Moving to Node #0,1,0 Current State: 60:[75, 99], Operations: ['44-32=12', '87+12=99'] Exploring Operation: 99-75=24, Resulting Numbers: [24] 24,60 unequal: No Solution Exploring Operation: 75+99=174, Resulting Numbers: [174] 174,60 unequal: No Solution Exploring Operation: 75*99=7425, Resulting Numbers: [7425] 7425,60 unequal: No Solution Moving to Node #0,1,1 Current State: 60:[87, 87], Operations: ['44-32=12', '75+12=87'] Exploring Operation: 87-87=0, Resulting Numbers: [0] 0,60 unequal: No Solution Exploring Operation: 87*87=7569, Resulting Numbers: [7569] 7569,60 unequal: No Solution Exploring Operation: 87+87=174, Resulting Numbers: [174] 174,60 unequal: No Solution Exploring Operation: 87/87=1, Resulting Numbers: [1] 1,60 unequal: No Solution Moving to Node #0,0,0 Current State: 60:[31, 119], Operations: ['75-44=31', '32+87=119'] Exploring Operation: 31+119=150, Resulting Numbers: [150] 150,60 unequal: No Solution Exploring Operation: 31*119=3689, Resulting Numbers: [3689] 3689,60 unequal: No Solution Exploring Operation: 119-31=88, Resulting Numbers: [88] 88,60 unequal: No Solution Moving to Node #0,4,3 Current State: 60:[43, 107], Operations: ['87-44=43', '32+75=107'] Exploring Operation: 107-43=64, Resulting Numbers: [64] 64,60 unequal: No Solution Exploring Operation: 43+107=150, Resulting Numbers: [150] 150,60 unequal: No Solution Exploring Operation: 43*107=4601, Resulting Numbers: [4601] 4601,60 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 54, 99, 66, 32 ]
53
[ "99-54=45", "66+32=98", "98-45=53" ]
Current State: 53:[54, 99, 66, 32], Operations: [] Exploring Operation: 99-54=45, Resulting Numbers: [66, 32, 45] Generated Node #2: [66, 32, 45] from Operation: 99-54=45 Current State: 53:[66, 32, 45], Operations: ['99-54=45'] Exploring Operation: 66+32=98, Resulting Numbers: [45, 98] Generated Node #3: [45, 98] from Operation: 66+32=98 Current State: 53:[45, 98], Operations: ['99-54=45', '66+32=98'] Exploring Operation: 98-45=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[54, 99, 66, 32], Operations: [] Exploring Operation: 99-66=33, Resulting Numbers: [54, 32, 33] Generated Node #0,0: 53:[54, 32, 33] Operation: 99-66=33 Exploring Operation: 99-54=45, Resulting Numbers: [66, 32, 45] Generated Node #0,1: 53:[66, 32, 45] Operation: 99-54=45 Exploring Operation: 99-32=67, Resulting Numbers: [54, 66, 67] Generated Node #0,2: 53:[54, 66, 67] Operation: 99-32=67 Moving to Node #0,2 Current State: 53:[54, 66, 67], Operations: ['99-32=67'] Exploring Operation: 66-54=12, Resulting Numbers: [67, 12] Generated Node #0,2,0: 53:[67, 12] Operation: 66-54=12 Exploring Operation: 67-66=1, Resulting Numbers: [54, 1] Generated Node #0,2,1: 53:[54, 1] Operation: 67-66=1 Exploring Operation: 67-54=13, Resulting Numbers: [66, 13] Generated Node #0,2,2: 53:[66, 13] Operation: 67-54=13 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 53:[54, 1], Operations: ['99-32=67', '67-66=1'] Exploring Operation: 54/1=54, Resulting Numbers: [54] 54,53 unequal: No Solution Exploring Operation: 54*1=54, Resulting Numbers: [54] 54,53 unequal: No Solution Exploring Operation: 54-1=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[54, 99, 66, 32], Operations: [] Exploring Operation: 99-32=67, Resulting Numbers: [54, 66, 67] Generated Node #0,2: 53:[54, 66, 67] Operation: 99-32=67 Moving to Node #0,2 Current State: 53:[54, 66, 67], Operations: ['99-32=67'] Exploring Operation: 67-66=1, Resulting Numbers: [54, 1] Generated Node #0,2,1: 53:[54, 1] Operation: 67-66=1 Moving to Node #0,2,1 Current State: 53:[54, 1], Operations: ['99-32=67', '67-66=1'] Exploring Operation: 54-1=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 26, 5, 43, 84 ]
96
[ "26+5=31", "43+84=127", "127-31=96" ]
Current State: 96:[26, 5, 43, 84], Operations: [] Exploring Operation: 26+5=31, Resulting Numbers: [43, 84, 31] Generated Node #2: [43, 84, 31] from Operation: 26+5=31 Current State: 96:[43, 84, 31], Operations: ['26+5=31'] Exploring Operation: 43+84=127, Resulting Numbers: [31, 127] Generated Node #3: [31, 127] from Operation: 43+84=127 Current State: 96:[31, 127], Operations: ['26+5=31', '43+84=127'] Exploring Operation: 127-31=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[26, 5, 43, 84], Operations: [] Exploring Operation: 43-26=17, Resulting Numbers: [5, 84, 17] Generated Node #0,0: 96:[5, 84, 17] Operation: 43-26=17 Exploring Operation: 5+43=48, Resulting Numbers: [26, 84, 48] Generated Node #0,1: 96:[26, 84, 48] Operation: 5+43=48 Exploring Operation: 84-43=41, Resulting Numbers: [26, 5, 41] Generated Node #0,2: 96:[26, 5, 41] Operation: 84-43=41 Exploring Operation: 5+84=89, Resulting Numbers: [26, 43, 89] Generated Node #0,3: 96:[26, 43, 89] Operation: 5+84=89 Exploring Operation: 84-26=58, Resulting Numbers: [5, 43, 58] Generated Node #0,4: 96:[5, 43, 58] Operation: 84-26=58 Start Sub Search at level 1: Moving to Node #0,2 Current State: 96:[26, 5, 41], Operations: ['84-43=41'] Exploring Operation: 5+41=46, Resulting Numbers: [26, 46] Generated Node #0,2,0: 96:[26, 46] Operation: 5+41=46 Exploring Operation: 26+5=31, Resulting Numbers: [41, 31] Generated Node #0,2,1: 96:[41, 31] Operation: 26+5=31 Exploring Operation: 41-26=15, Resulting Numbers: [5, 15] Generated Node #0,2,2: 96:[5, 15] Operation: 41-26=15 Exploring Operation: 41-5=36, Resulting Numbers: [26, 36] Generated Node #0,2,3: 96:[26, 36] Operation: 41-5=36 Exploring Operation: 26-5=21, Resulting Numbers: [41, 21] Generated Node #0,2,4: 96:[41, 21] Operation: 26-5=21 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 96:[5, 15], Operations: ['84-43=41', '41-26=15'] Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,96 unequal: No Solution Exploring Operation: 5+15=20, Resulting Numbers: [20] 20,96 unequal: No Solution Exploring Operation: 5*15=75, Resulting Numbers: [75] 75,96 unequal: No Solution Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,96 unequal: No Solution No 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: 96:[26, 46], Operations: ['84-43=41', '5+41=46'] Exploring Operation: 26*46=1196, Resulting Numbers: [1196] 1196,96 unequal: No Solution Exploring Operation: 26+46=72, Resulting Numbers: [72] 72,96 unequal: No Solution Exploring Operation: 46-26=20, Resulting Numbers: [20] 20,96 unequal: No Solution No 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: 96:[26, 36], Operations: ['84-43=41', '41-5=36'] Exploring Operation: 26+36=62, Resulting Numbers: [62] 62,96 unequal: No Solution Exploring Operation: 26*36=936, Resulting Numbers: [936] 936,96 unequal: No Solution Exploring Operation: 36-26=10, Resulting Numbers: [10] 10,96 unequal: No Solution No 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: 96:[41, 31], Operations: ['84-43=41', '26+5=31'] Exploring Operation: 41-31=10, Resulting Numbers: [10] 10,96 unequal: No Solution Exploring Operation: 41*31=1271, Resulting Numbers: [1271] 1271,96 unequal: No Solution Exploring Operation: 41+31=72, Resulting Numbers: [72] 72,96 unequal: No Solution No 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: 96:[41, 21], Operations: ['84-43=41', '26-5=21'] Exploring Operation: 41+21=62, Resulting Numbers: [62] 62,96 unequal: No Solution Exploring Operation: 41-21=20, Resulting Numbers: [20] 20,96 unequal: No Solution Exploring Operation: 41*21=861, Resulting Numbers: [861] 861,96 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: 96:[5, 84, 17], Operations: ['43-26=17'] Exploring Operation: 84-5=79, Resulting Numbers: [17, 79] Generated Node #0,0,0: 96:[17, 79] Operation: 84-5=79 Exploring Operation: 5+84=89, Resulting Numbers: [17, 89] Generated Node #0,0,1: 96:[17, 89] Operation: 5+84=89 Exploring Operation: 84+17=101, Resulting Numbers: [5, 101] Generated Node #0,0,2: 96:[5, 101] Operation: 84+17=101 Exploring Operation: 17-5=12, Resulting Numbers: [84, 12] Generated Node #0,0,3: 96:[84, 12] Operation: 17-5=12 Exploring Operation: 5+17=22, Resulting Numbers: [84, 22] Generated Node #0,0,4: 96:[84, 22] Operation: 5+17=22 Moving to Node #0,0,2 Current State: 96:[5, 101], Operations: ['43-26=17', '84+17=101'] Exploring Operation: 5*101=505, Resulting Numbers: [505] 505,96 unequal: No Solution Exploring Operation: 5+101=106, Resulting Numbers: [106] 106,96 unequal: No Solution Exploring Operation: 101-5=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[26, 5, 43, 84], Operations: [] Exploring Operation: 43-26=17, Resulting Numbers: [5, 84, 17] Generated Node #0,0: 96:[5, 84, 17] Operation: 43-26=17 Moving to Node #0,0 Current State: 96:[5, 84, 17], Operations: ['43-26=17'] Exploring Operation: 84+17=101, Resulting Numbers: [5, 101] Generated Node #0,0,2: 96:[5, 101] Operation: 84+17=101 Moving to Node #0,0,2 Current State: 96:[5, 101], Operations: ['43-26=17', '84+17=101'] Exploring Operation: 101-5=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_5
sum_heuristic
[ 80, 26, 42, 21 ]
63
[ "80*21=1680", "1680-42=1638", "1638/26=63" ]
Current State: 63:[80, 26, 42, 21], Operations: [] Exploring Operation: 80*21=1680, Resulting Numbers: [26, 42, 1680] Generated Node #2: [26, 42, 1680] from Operation: 80*21=1680 Current State: 63:[26, 42, 1680], Operations: ['80*21=1680'] Exploring Operation: 1680-42=1638, Resulting Numbers: [26, 1638] Generated Node #3: [26, 1638] from Operation: 1680-42=1638 Current State: 63:[26, 1638], Operations: ['80*21=1680', '1680-42=1638'] Exploring Operation: 1638/26=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[80, 26, 42, 21], Operations: [] Exploring Operation: 42-26=16, Resulting Numbers: [80, 21, 16] Generated Node #0,0: 63:[80, 21, 16] Operation: 42-26=16 Exploring Operation: 26+42=68, Resulting Numbers: [80, 21, 68] Generated Node #0,1: 63:[80, 21, 68] Operation: 26+42=68 Exploring Operation: 80-42=38, Resulting Numbers: [26, 21, 38] Generated Node #0,2: 63:[26, 21, 38] Operation: 80-42=38 Exploring Operation: 42+21=63, Resulting Numbers: [80, 26, 63] Generated Node #0,3: 63:[80, 26, 63] Operation: 42+21=63 Moving to Node #0,0 Current State: 63:[80, 21, 16], Operations: ['42-26=16'] Exploring Operation: 21-16=5, Resulting Numbers: [80, 5] Generated Node #0,0,0: 63:[80, 5] Operation: 21-16=5 Exploring Operation: 80/16=5, Resulting Numbers: [21, 5] Generated Node #0,0,1: 63:[21, 5] Operation: 80/16=5 Exploring Operation: 80-21=59, Resulting Numbers: [16, 59] Generated Node #0,0,2: 63:[16, 59] Operation: 80-21=59 Exploring Operation: 80-16=64, Resulting Numbers: [21, 64] Generated Node #0,0,3: 63:[21, 64] Operation: 80-16=64 Moving to Node #0,2 Current State: 63:[26, 21, 38], Operations: ['80-42=38'] Exploring Operation: 38-26=12, Resulting Numbers: [21, 12] Generated Node #0,2,0: 63:[21, 12] Operation: 38-26=12 Exploring Operation: 38-21=17, Resulting Numbers: [26, 17] Generated Node #0,2,1: 63:[26, 17] Operation: 38-21=17 Exploring Operation: 21+38=59, Resulting Numbers: [26, 59] Generated Node #0,2,2: 63:[26, 59] Operation: 21+38=59 Exploring Operation: 26+38=64, Resulting Numbers: [21, 64] Generated Node #0,2,3: 63:[21, 64] Operation: 26+38=64 Moving to Node #0,1 Current State: 63:[80, 21, 68], Operations: ['26+42=68'] Exploring Operation: 80-21=59, Resulting Numbers: [68, 59] Generated Node #0,1,0: 63:[68, 59] Operation: 80-21=59 Exploring Operation: 80+21=101, Resulting Numbers: [68, 101] Generated Node #0,1,1: 63:[68, 101] Operation: 80+21=101 Exploring Operation: 80-68=12, Resulting Numbers: [21, 12] Generated Node #0,1,2: 63:[21, 12] Operation: 80-68=12 Exploring Operation: 68-21=47, Resulting Numbers: [80, 47] Generated Node #0,1,3: 63:[80, 47] Operation: 68-21=47 Moving to Node #0,3 Current State: 63:[80, 26, 63], Operations: ['42+21=63'] Exploring Operation: 80-26=54, Resulting Numbers: [63, 54] Generated Node #0,3,0: 63:[63, 54] Operation: 80-26=54 Exploring Operation: 63-26=37, Resulting Numbers: [80, 37] Generated Node #0,3,1: 63:[80, 37] Operation: 63-26=37 Exploring Operation: 80+26=106, Resulting Numbers: [63, 106] Generated Node #0,3,2: 63:[63, 106] Operation: 80+26=106 Exploring Operation: 80-63=17, Resulting Numbers: [26, 17] Generated Node #0,3,3: 63:[26, 17] Operation: 80-63=17 Moving to Node #0,0,3 Current State: 63:[21, 64], Operations: ['42-26=16', '80-16=64'] Exploring Operation: 21*64=1344, Resulting Numbers: [1344] 1344,63 unequal: No Solution Exploring Operation: 21+64=85, Resulting Numbers: [85] 85,63 unequal: No Solution Exploring Operation: 64-21=43, Resulting Numbers: [43] 43,63 unequal: No Solution Moving to Node #0,2,3 Current State: 63:[21, 64], Operations: ['80-42=38', '26+38=64'] Exploring Operation: 21+64=85, Resulting Numbers: [85] 85,63 unequal: No Solution Exploring Operation: 21*64=1344, Resulting Numbers: [1344] 1344,63 unequal: No Solution Exploring Operation: 64-21=43, Resulting Numbers: [43] 43,63 unequal: No Solution Moving to Node #0,0,1 Current State: 63:[21, 5], Operations: ['42-26=16', '80/16=5'] Exploring Operation: 21*5=105, Resulting Numbers: [105] 105,63 unequal: No Solution Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,63 unequal: No Solution Exploring Operation: 21+5=26, Resulting Numbers: [26] 26,63 unequal: No Solution Moving to Node #0,2,0 Current State: 63:[21, 12], Operations: ['80-42=38', '38-26=12'] Exploring Operation: 21+12=33, Resulting Numbers: [33] 33,63 unequal: No Solution Exploring Operation: 21*12=252, Resulting Numbers: [252] 252,63 unequal: No Solution Exploring Operation: 21-12=9, Resulting Numbers: [9] 9,63 unequal: No Solution Moving to Node #0,1,2 Current State: 63:[21, 12], Operations: ['26+42=68', '80-68=12'] Exploring Operation: 21+12=33, Resulting Numbers: [33] 33,63 unequal: No Solution Exploring Operation: 21-12=9, Resulting Numbers: [9] 9,63 unequal: No Solution Exploring Operation: 21*12=252, Resulting Numbers: [252] 252,63 unequal: No Solution Moving to Node #0,2,1 Current State: 63:[26, 17], Operations: ['80-42=38', '38-21=17'] Exploring Operation: 26+17=43, Resulting Numbers: [43] 43,63 unequal: No Solution Exploring Operation: 26*17=442, Resulting Numbers: [442] 442,63 unequal: No Solution Exploring Operation: 26-17=9, Resulting Numbers: [9] 9,63 unequal: No Solution Moving to Node #0,3,3 Current State: 63:[26, 17], Operations: ['42+21=63', '80-63=17'] Exploring Operation: 26-17=9, Resulting Numbers: [9] 9,63 unequal: No Solution Exploring Operation: 26*17=442, Resulting Numbers: [442] 442,63 unequal: No Solution Exploring Operation: 26+17=43, Resulting Numbers: [43] 43,63 unequal: No Solution Moving to Node #0,0,2 Current State: 63:[16, 59], Operations: ['42-26=16', '80-21=59'] Exploring Operation: 59-16=43, Resulting Numbers: [43] 43,63 unequal: No Solution Exploring Operation: 16+59=75, Resulting Numbers: [75] 75,63 unequal: No Solution Exploring Operation: 16*59=944, Resulting Numbers: [944] 944,63 unequal: No Solution Moving to Node #0,1,0 Current State: 63:[68, 59], Operations: ['26+42=68', '80-21=59'] Exploring Operation: 68+59=127, Resulting Numbers: [127] 127,63 unequal: No Solution Exploring Operation: 68*59=4012, Resulting Numbers: [4012] 4012,63 unequal: No Solution Exploring Operation: 68-59=9, Resulting Numbers: [9] 9,63 unequal: No Solution Moving to Node #0,3,0 Current State: 63:[63, 54], Operations: ['42+21=63', '80-26=54'] Exploring Operation: 63*54=3402, Resulting Numbers: [3402] 3402,63 unequal: No Solution Exploring Operation: 63+54=117, Resulting Numbers: [117] 117,63 unequal: No Solution Exploring Operation: 63-54=9, Resulting Numbers: [9] 9,63 unequal: No Solution Moving to Node #0,2,2 Current State: 63:[26, 59], Operations: ['80-42=38', '21+38=59'] Exploring Operation: 59-26=33, Resulting Numbers: [33] 33,63 unequal: No Solution Exploring Operation: 26*59=1534, Resulting Numbers: [1534] 1534,63 unequal: No Solution Exploring Operation: 26+59=85, Resulting Numbers: [85] 85,63 unequal: No Solution Moving to Node #0,0,0 Current State: 63:[80, 5], Operations: ['42-26=16', '21-16=5'] Exploring Operation: 80-5=75, Resulting Numbers: [75] 75,63 unequal: No Solution Exploring Operation: 80/5=16, Resulting Numbers: [16] 16,63 unequal: No Solution Exploring Operation: 80+5=85, Resulting Numbers: [85] 85,63 unequal: No Solution Exploring Operation: 80*5=400, Resulting Numbers: [400] 400,63 unequal: No Solution Moving to Node #0,1,3 Current State: 63:[80, 47], Operations: ['26+42=68', '68-21=47'] Exploring Operation: 80*47=3760, Resulting Numbers: [3760] 3760,63 unequal: No Solution Exploring Operation: 80+47=127, Resulting Numbers: [127] 127,63 unequal: No Solution Exploring Operation: 80-47=33, Resulting Numbers: [33] 33,63 unequal: No Solution Moving to Node #0,3,1 Current State: 63:[80, 37], Operations: ['42+21=63', '63-26=37'] Exploring Operation: 80-37=43, Resulting Numbers: [43] 43,63 unequal: No Solution Exploring Operation: 80+37=117, Resulting Numbers: [117] 117,63 unequal: No Solution Exploring Operation: 80*37=2960, Resulting Numbers: [2960] 2960,63 unequal: No Solution Moving to Node #0,1,1 Current State: 63:[68, 101], Operations: ['26+42=68', '80+21=101'] Exploring Operation: 68+101=169, Resulting Numbers: [169] 169,63 unequal: No Solution Exploring Operation: 68*101=6868, Resulting Numbers: [6868] 6868,63 unequal: No Solution Exploring Operation: 101-68=33, Resulting Numbers: [33] 33,63 unequal: No Solution Moving to Node #0,3,2 Current State: 63:[63, 106], Operations: ['42+21=63', '80+26=106'] Exploring Operation: 63*106=6678, Resulting Numbers: [6678] 6678,63 unequal: No Solution Exploring Operation: 63+106=169, Resulting Numbers: [169] 169,63 unequal: No Solution Exploring Operation: 106-63=43, Resulting Numbers: [43] 43,63 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 24, 73, 3, 96 ]
99
[ "24+96=120", "73*3=219", "219-120=99" ]
Current State: 99:[24, 73, 3, 96], Operations: [] Exploring Operation: 24+96=120, Resulting Numbers: [73, 3, 120] Generated Node #2: [73, 3, 120] from Operation: 24+96=120 Current State: 99:[73, 3, 120], Operations: ['24+96=120'] Exploring Operation: 73*3=219, Resulting Numbers: [120, 219] Generated Node #3: [120, 219] from Operation: 73*3=219 Current State: 99:[120, 219], Operations: ['24+96=120', '73*3=219'] Exploring Operation: 219-120=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[24, 73, 3, 96], Operations: [] Exploring Operation: 96-73=23, Resulting Numbers: [24, 3, 23] Generated Node #0,0: 99:[24, 3, 23] Operation: 96-73=23 Exploring Operation: 73-24=49, Resulting Numbers: [3, 96, 49] Generated Node #0,1: 99:[3, 96, 49] Operation: 73-24=49 Exploring Operation: 24+73=97, Resulting Numbers: [3, 96, 97] Generated Node #0,2: 99:[3, 96, 97] Operation: 24+73=97 Moving to Node #0,2 Current State: 99:[3, 96, 97], Operations: ['24+73=97'] Exploring Operation: 3+96=99, Resulting Numbers: [97, 99] Generated Node #0,2,0: 99:[97, 99] Operation: 3+96=99 Exploring Operation: 97-96=1, Resulting Numbers: [3, 1] Generated Node #0,2,1: 99:[3, 1] Operation: 97-96=1 Exploring Operation: 96/3=32, Resulting Numbers: [97, 32] Generated Node #0,2,2: 99:[97, 32] Operation: 96/3=32 Moving to Node #0,0 Current State: 99:[24, 3, 23], Operations: ['96-73=23'] Exploring Operation: 24-23=1, Resulting Numbers: [3, 1] Generated Node #0,0,0: 99:[3, 1] Operation: 24-23=1 Exploring Operation: 24/3=8, Resulting Numbers: [23, 8] Generated Node #0,0,1: 99:[23, 8] Operation: 24/3=8 Exploring Operation: 24+23=47, Resulting Numbers: [3, 47] Generated Node #0,0,2: 99:[3, 47] Operation: 24+23=47 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 99:[3, 1], Operations: ['96-73=23', '24-23=1'] Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,99 unequal: No Solution Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,99 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,99 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:[23, 8], Operations: ['96-73=23', '24/3=8'] Exploring Operation: 23+8=31, Resulting Numbers: [31] 31,99 unequal: No Solution Exploring Operation: 23*8=184, Resulting Numbers: [184] 184,99 unequal: No Solution Exploring Operation: 23-8=15, Resulting Numbers: [15] 15,99 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 #0,0,2 Current State: 99:[3, 47], Operations: ['96-73=23', '24+23=47'] Exploring Operation: 3*47=141, Resulting Numbers: [141] 141,99 unequal: No Solution Exploring Operation: 47-3=44, Resulting Numbers: [44] 44,99 unequal: No Solution Exploring Operation: 3+47=50, Resulting Numbers: [50] 50,99 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: 99:[3, 96, 49], Operations: ['73-24=49'] Exploring Operation: 3+96=99, Resulting Numbers: [49, 99] Generated Node #0,1,0: 99:[49, 99] Operation: 3+96=99 Exploring Operation: 49-3=46, Resulting Numbers: [96, 46] Generated Node #0,1,1: 99:[96, 46] Operation: 49-3=46 Exploring Operation: 96-49=47, Resulting Numbers: [3, 47] Generated Node #0,1,2: 99:[3, 47] Operation: 96-49=47 Moving to Node #0,2,0 Current State: 99:[97, 99], Operations: ['24+73=97', '3+96=99'] Exploring Operation: 99-97=2, Resulting Numbers: [2] 2,99 unequal: No Solution Exploring Operation: 97*99=9603, Resulting Numbers: [9603] 9603,99 unequal: No Solution Exploring Operation: 97+99=196, Resulting Numbers: [196] 196,99 unequal: No Solution Moving to Node #0,2,1 Current State: 99:[3, 1], Operations: ['24+73=97', '97-96=1'] Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,99 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,99 unequal: No Solution Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,99 unequal: No Solution Moving to Node #0,2,2 Current State: 99:[97, 32], Operations: ['24+73=97', '96/3=32'] Exploring Operation: 97+32=129, Resulting Numbers: [129] 129,99 unequal: No Solution Exploring Operation: 97-32=65, Resulting Numbers: [65] 65,99 unequal: No Solution Exploring Operation: 97*32=3104, Resulting Numbers: [3104] 3104,99 unequal: No Solution Moving to Node #0,1,2 Current State: 99:[3, 47], Operations: ['73-24=49', '96-49=47'] Exploring Operation: 47-3=44, Resulting Numbers: [44] 44,99 unequal: No Solution Exploring Operation: 3+47=50, Resulting Numbers: [50] 50,99 unequal: No Solution Exploring Operation: 3*47=141, Resulting Numbers: [141] 141,99 unequal: No Solution Moving to Node #0,1,1 Current State: 99:[96, 46], Operations: ['73-24=49', '49-3=46'] Exploring Operation: 96+46=142, Resulting Numbers: [142] 142,99 unequal: No Solution Exploring Operation: 96*46=4416, Resulting Numbers: [4416] 4416,99 unequal: No Solution Exploring Operation: 96-46=50, Resulting Numbers: [50] 50,99 unequal: No Solution Moving to Node #0,1,0 Current State: 99:[49, 99], Operations: ['73-24=49', '3+96=99'] Exploring Operation: 99-49=50, Resulting Numbers: [50] 50,99 unequal: No Solution Exploring Operation: 49*99=4851, Resulting Numbers: [4851] 4851,99 unequal: No Solution Exploring Operation: 49+99=148, Resulting Numbers: [148] 148,99 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 2, 97, 11, 34 ]
25
[ "2+97=99", "99/11=9", "34-9=25" ]
Current State: 25:[2, 97, 11, 34], Operations: [] Exploring Operation: 2+97=99, Resulting Numbers: [11, 34, 99] Generated Node #2: [11, 34, 99] from Operation: 2+97=99 Current State: 25:[11, 34, 99], Operations: ['2+97=99'] Exploring Operation: 99/11=9, Resulting Numbers: [34, 9] Generated Node #3: [34, 9] from Operation: 99/11=9 Current State: 25:[34, 9], Operations: ['2+97=99', '99/11=9'] Exploring Operation: 34-9=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[2, 97, 11, 34], Operations: [] Exploring Operation: 2*11=22, Resulting Numbers: [97, 34, 22] Generated Node #0,0: 25:[97, 34, 22] Operation: 2*11=22 Exploring Operation: 97-11=86, Resulting Numbers: [2, 34, 86] Generated Node #0,1: 25:[2, 34, 86] Operation: 97-11=86 Exploring Operation: 34-11=23, Resulting Numbers: [2, 97, 23] Generated Node #0,2: 25:[2, 97, 23] Operation: 34-11=23 Exploring Operation: 97-2=95, Resulting Numbers: [11, 34, 95] Generated Node #0,3: 25:[11, 34, 95] Operation: 97-2=95 Exploring Operation: 97-34=63, Resulting Numbers: [2, 11, 63] Generated Node #0,4: 25:[2, 11, 63] Operation: 97-34=63 Moving to Node #0,4 Current State: 25:[2, 11, 63], Operations: ['97-34=63'] Exploring Operation: 11-2=9, Resulting Numbers: [63, 9] Generated Node #0,4,0: 25:[63, 9] Operation: 11-2=9 Exploring Operation: 63-2=61, Resulting Numbers: [11, 61] Generated Node #0,4,1: 25:[11, 61] Operation: 63-2=61 Exploring Operation: 2*11=22, Resulting Numbers: [63, 22] Generated Node #0,4,2: 25:[63, 22] Operation: 2*11=22 Exploring Operation: 63-11=52, Resulting Numbers: [2, 52] Generated Node #0,4,3: 25:[2, 52] Operation: 63-11=52 Exploring Operation: 2+11=13, Resulting Numbers: [63, 13] Generated Node #0,4,4: 25:[63, 13] Operation: 2+11=13 Moving to Node #0,1 Current State: 25:[2, 34, 86], Operations: ['97-11=86'] Exploring Operation: 34-2=32, Resulting Numbers: [86, 32] Generated Node #0,1,0: 25:[86, 32] Operation: 34-2=32 Exploring Operation: 86-2=84, Resulting Numbers: [34, 84] Generated Node #0,1,1: 25:[34, 84] Operation: 86-2=84 Exploring Operation: 86-34=52, Resulting Numbers: [2, 52] Generated Node #0,1,2: 25:[2, 52] Operation: 86-34=52 Exploring Operation: 86/2=43, Resulting Numbers: [34, 43] Generated Node #0,1,3: 25:[34, 43] Operation: 86/2=43 Exploring Operation: 34/2=17, Resulting Numbers: [86, 17] Generated Node #0,1,4: 25:[86, 17] Operation: 34/2=17 Moving to Node #0,2 Current State: 25:[2, 97, 23], Operations: ['34-11=23'] Exploring Operation: 97-23=74, Resulting Numbers: [2, 74] Generated Node #0,2,0: 25:[2, 74] Operation: 97-23=74 Exploring Operation: 23-2=21, Resulting Numbers: [97, 21] Generated Node #0,2,1: 25:[97, 21] Operation: 23-2=21 Exploring Operation: 97-2=95, Resulting Numbers: [23, 95] Generated Node #0,2,2: 25:[23, 95] Operation: 97-2=95 Exploring Operation: 2+23=25, Resulting Numbers: [97, 25] Generated Node #0,2,3: 25:[97, 25] Operation: 2+23=25 Exploring Operation: 2+97=99, Resulting Numbers: [23, 99] Generated Node #0,2,4: 25:[23, 99] Operation: 2+97=99 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 25:[2, 74], Operations: ['34-11=23', '97-23=74'] Exploring Operation: 2+74=76, Resulting Numbers: [76] 76,25 unequal: No Solution Exploring Operation: 74/2=37, Resulting Numbers: [37] 37,25 unequal: No Solution Exploring Operation: 2*74=148, Resulting Numbers: [148] 148,25 unequal: No Solution Exploring Operation: 74-2=72, Resulting Numbers: [72] 72,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 25:[23, 95], Operations: ['34-11=23', '97-2=95'] Exploring Operation: 23*95=2185, Resulting Numbers: [2185] 2185,25 unequal: No Solution Exploring Operation: 95-23=72, Resulting Numbers: [72] 72,25 unequal: No Solution Exploring Operation: 23+95=118, Resulting Numbers: [118] 118,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 25:[97, 25], Operations: ['34-11=23', '2+23=25'] Exploring Operation: 97-25=72, Resulting Numbers: [72] 72,25 unequal: No Solution Exploring Operation: 97*25=2425, Resulting Numbers: [2425] 2425,25 unequal: No Solution Exploring Operation: 97+25=122, Resulting Numbers: [122] 122,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 25:[97, 21], Operations: ['34-11=23', '23-2=21'] Exploring Operation: 97-21=76, Resulting Numbers: [76] 76,25 unequal: No Solution Exploring Operation: 97+21=118, Resulting Numbers: [118] 118,25 unequal: No Solution Exploring Operation: 97*21=2037, Resulting Numbers: [2037] 2037,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 25:[23, 99], Operations: ['34-11=23', '2+97=99'] Exploring Operation: 23+99=122, Resulting Numbers: [122] 122,25 unequal: No Solution Exploring Operation: 23*99=2277, Resulting Numbers: [2277] 2277,25 unequal: No Solution Exploring Operation: 99-23=76, Resulting Numbers: [76] 76,25 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: 25:[97, 34, 22], Operations: ['2*11=22'] Exploring Operation: 97-22=75, Resulting Numbers: [34, 75] Generated Node #0,0,0: 25:[34, 75] Operation: 97-22=75 Exploring Operation: 34+22=56, Resulting Numbers: [97, 56] Generated Node #0,0,1: 25:[97, 56] Operation: 34+22=56 Exploring Operation: 97-34=63, Resulting Numbers: [22, 63] Generated Node #0,0,2: 25:[22, 63] Operation: 97-34=63 Exploring Operation: 34-22=12, Resulting Numbers: [97, 12] Generated Node #0,0,3: 25:[97, 12] Operation: 34-22=12 Exploring Operation: 97+22=119, Resulting Numbers: [34, 119] Generated Node #0,0,4: 25:[34, 119] Operation: 97+22=119 Moving to Node #0,3 Current State: 25:[11, 34, 95], Operations: ['97-2=95'] Exploring Operation: 95-11=84, Resulting Numbers: [34, 84] Generated Node #0,3,0: 25:[34, 84] Operation: 95-11=84 Exploring Operation: 95-34=61, Resulting Numbers: [11, 61] Generated Node #0,3,1: 25:[11, 61] Operation: 95-34=61 Exploring Operation: 11+95=106, Resulting Numbers: [34, 106] Generated Node #0,3,2: 25:[34, 106] Operation: 11+95=106 Exploring Operation: 34-11=23, Resulting Numbers: [95, 23] Generated Node #0,3,3: 25:[95, 23] Operation: 34-11=23 Exploring Operation: 11+34=45, Resulting Numbers: [95, 45] Generated Node #0,3,4: 25:[95, 45] Operation: 11+34=45 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 25:[11, 61], Operations: ['97-2=95', '95-34=61'] Exploring Operation: 11*61=671, Resulting Numbers: [671] 671,25 unequal: No Solution Exploring Operation: 61-11=50, Resulting Numbers: [50] 50,25 unequal: No Solution Exploring Operation: 11+61=72, Resulting Numbers: [72] 72,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 25:[34, 84], Operations: ['97-2=95', '95-11=84'] Exploring Operation: 34+84=118, Resulting Numbers: [118] 118,25 unequal: No Solution Exploring Operation: 84-34=50, Resulting Numbers: [50] 50,25 unequal: No Solution Exploring Operation: 34*84=2856, Resulting Numbers: [2856] 2856,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 25:[95, 23], Operations: ['97-2=95', '34-11=23'] Exploring Operation: 95+23=118, Resulting Numbers: [118] 118,25 unequal: No Solution Exploring Operation: 95-23=72, Resulting Numbers: [72] 72,25 unequal: No Solution Exploring Operation: 95*23=2185, Resulting Numbers: [2185] 2185,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 25:[34, 106], Operations: ['97-2=95', '11+95=106'] Exploring Operation: 106-34=72, Resulting Numbers: [72] 72,25 unequal: No Solution Exploring Operation: 34*106=3604, Resulting Numbers: [3604] 3604,25 unequal: No Solution Exploring Operation: 34+106=140, Resulting Numbers: [140] 140,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 25:[95, 45], Operations: ['97-2=95', '11+34=45'] Exploring Operation: 95*45=4275, Resulting Numbers: [4275] 4275,25 unequal: No Solution Exploring Operation: 95+45=140, Resulting Numbers: [140] 140,25 unequal: No Solution Exploring Operation: 95-45=50, Resulting Numbers: [50] 50,25 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: 25:[34, 43], Operations: ['97-11=86', '86/2=43'] Exploring Operation: 43-34=9, Resulting Numbers: [9] 9,25 unequal: No Solution Exploring Operation: 34+43=77, Resulting Numbers: [77] 77,25 unequal: No Solution Exploring Operation: 34*43=1462, Resulting Numbers: [1462] 1462,25 unequal: No Solution Moving to Node #0,4,3 Current State: 25:[2, 52], Operations: ['97-34=63', '63-11=52'] Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,25 unequal: No Solution Exploring Operation: 2+52=54, Resulting Numbers: [54] 54,25 unequal: No Solution Exploring Operation: 2*52=104, Resulting Numbers: [104] 104,25 unequal: No Solution Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,25 unequal: No Solution Moving to Node #0,1,2 Current State: 25:[2, 52], Operations: ['97-11=86', '86-34=52'] Exploring Operation: 2*52=104, Resulting Numbers: [104] 104,25 unequal: No Solution Exploring Operation: 2+52=54, Resulting Numbers: [54] 54,25 unequal: No Solution Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,25 unequal: No Solution Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,25 unequal: No Solution Moving to Node #0,4,2 Current State: 25:[63, 22], Operations: ['97-34=63', '2*11=22'] Exploring Operation: 63+22=85, Resulting Numbers: [85] 85,25 unequal: No Solution Exploring Operation: 63*22=1386, Resulting Numbers: [1386] 1386,25 unequal: No Solution Exploring Operation: 63-22=41, Resulting Numbers: [41] 41,25 unequal: No Solution Moving to Node #0,0,2 Current State: 25:[22, 63], Operations: ['2*11=22', '97-34=63'] Exploring Operation: 22+63=85, Resulting Numbers: [85] 85,25 unequal: No Solution Exploring Operation: 22*63=1386, Resulting Numbers: [1386] 1386,25 unequal: No Solution Exploring Operation: 63-22=41, Resulting Numbers: [41] 41,25 unequal: No Solution Moving to Node #0,4,0 Current State: 25:[63, 9], Operations: ['97-34=63', '11-2=9'] Exploring Operation: 63+9=72, Resulting Numbers: [72] 72,25 unequal: No Solution Exploring Operation: 63-9=54, Resulting Numbers: [54] 54,25 unequal: No Solution Exploring Operation: 63/9=7, Resulting Numbers: [7] 7,25 unequal: No Solution Exploring Operation: 63*9=567, Resulting Numbers: [567] 567,25 unequal: No Solution Moving to Node #0,4,1 Current State: 25:[11, 61], Operations: ['97-34=63', '63-2=61'] Exploring Operation: 61-11=50, Resulting Numbers: [50] 50,25 unequal: No Solution Exploring Operation: 11*61=671, Resulting Numbers: [671] 671,25 unequal: No Solution Exploring Operation: 11+61=72, Resulting Numbers: [72] 72,25 unequal: No Solution Moving to Node #0,4,4 Current State: 25:[63, 13], Operations: ['97-34=63', '2+11=13'] Exploring Operation: 63*13=819, Resulting Numbers: [819] 819,25 unequal: No Solution Exploring Operation: 63-13=50, Resulting Numbers: [50] 50,25 unequal: No Solution Exploring Operation: 63+13=76, Resulting Numbers: [76] 76,25 unequal: No Solution Moving to Node #0,0,0 Current State: 25:[34, 75], Operations: ['2*11=22', '97-22=75'] Exploring Operation: 75-34=41, Resulting Numbers: [41] 41,25 unequal: No Solution Exploring Operation: 34+75=109, Resulting Numbers: [109] 109,25 unequal: No Solution Exploring Operation: 34*75=2550, Resulting Numbers: [2550] 2550,25 unequal: No Solution Moving to Node #0,1,1 Current State: 25:[34, 84], Operations: ['97-11=86', '86-2=84'] Exploring Operation: 84-34=50, Resulting Numbers: [50] 50,25 unequal: No Solution Exploring Operation: 34+84=118, Resulting Numbers: [118] 118,25 unequal: No Solution Exploring Operation: 34*84=2856, Resulting Numbers: [2856] 2856,25 unequal: No Solution Moving to Node #0,1,0 Current State: 25:[86, 32], Operations: ['97-11=86', '34-2=32'] Exploring Operation: 86*32=2752, Resulting Numbers: [2752] 2752,25 unequal: No Solution Exploring Operation: 86+32=118, Resulting Numbers: [118] 118,25 unequal: No Solution Exploring Operation: 86-32=54, Resulting Numbers: [54] 54,25 unequal: No Solution Moving to Node #0,1,4 Current State: 25:[86, 17], Operations: ['97-11=86', '34/2=17'] Exploring Operation: 86+17=103, Resulting Numbers: [103] 103,25 unequal: No Solution Exploring Operation: 86*17=1462, Resulting Numbers: [1462] 1462,25 unequal: No Solution Exploring Operation: 86-17=69, Resulting Numbers: [69] 69,25 unequal: No Solution Moving to Node #0,0,3 Current State: 25:[97, 12], Operations: ['2*11=22', '34-22=12'] Exploring Operation: 97-12=85, Resulting Numbers: [85] 85,25 unequal: No Solution Exploring Operation: 97+12=109, Resulting Numbers: [109] 109,25 unequal: No Solution Exploring Operation: 97*12=1164, Resulting Numbers: [1164] 1164,25 unequal: No Solution Moving to Node #0,0,1 Current State: 25:[97, 56], Operations: ['2*11=22', '34+22=56'] Exploring Operation: 97*56=5432, Resulting Numbers: [5432] 5432,25 unequal: No Solution Exploring Operation: 97+56=153, Resulting Numbers: [153] 153,25 unequal: No Solution Exploring Operation: 97-56=41, Resulting Numbers: [41] 41,25 unequal: No Solution Moving to Node #0,0,4 Current State: 25:[34, 119], Operations: ['2*11=22', '97+22=119'] Exploring Operation: 34*119=4046, Resulting Numbers: [4046] 4046,25 unequal: No Solution Exploring Operation: 34+119=153, Resulting Numbers: [153] 153,25 unequal: No Solution Exploring Operation: 119-34=85, Resulting Numbers: [85] 85,25 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 99, 74, 66, 1 ]
11
[ "74-66=8", "1+8=9", "99/9=11" ]
Current State: 11:[99, 74, 66, 1], Operations: [] Exploring Operation: 74-66=8, Resulting Numbers: [99, 1, 8] Generated Node #2: [99, 1, 8] from Operation: 74-66=8 Current State: 11:[99, 1, 8], Operations: ['74-66=8'] Exploring Operation: 1+8=9, Resulting Numbers: [99, 9] Generated Node #3: [99, 9] from Operation: 1+8=9 Current State: 11:[99, 9], Operations: ['74-66=8', '1+8=9'] Exploring Operation: 99/9=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[99, 74, 66, 1], Operations: [] Exploring Operation: 99-74=25, Resulting Numbers: [66, 1, 25] Generated Node #0,0: 11:[66, 1, 25] Operation: 99-74=25 Exploring Operation: 74-66=8, Resulting Numbers: [99, 1, 8] Generated Node #0,1: 11:[99, 1, 8] Operation: 74-66=8 Exploring Operation: 99-1=98, Resulting Numbers: [74, 66, 98] Generated Node #0,2: 11:[74, 66, 98] Operation: 99-1=98 Exploring Operation: 99-66=33, Resulting Numbers: [74, 1, 33] Generated Node #0,3: 11:[74, 1, 33] Operation: 99-66=33 Exploring Operation: 74-1=73, Resulting Numbers: [99, 66, 73] Generated Node #0,4: 11:[99, 66, 73] Operation: 74-1=73 Moving to Node #0,0 Current State: 11:[66, 1, 25], Operations: ['99-74=25'] Exploring Operation: 66*1=66, Resulting Numbers: [25, 66] Generated Node #0,0,0: 11:[25, 66] Operation: 66*1=66 Exploring Operation: 66-25=41, Resulting Numbers: [1, 41] Generated Node #0,0,1: 11:[1, 41] Operation: 66-25=41 Exploring Operation: 25-1=24, Resulting Numbers: [66, 24] Generated Node #0,0,2: 11:[66, 24] Operation: 25-1=24 Exploring Operation: 66/1=66, Resulting Numbers: [25, 66] Generated Node #0,0,3: 11:[25, 66] Operation: 66/1=66 Exploring Operation: 66-1=65, Resulting Numbers: [25, 65] Generated Node #0,0,4: 11:[25, 65] Operation: 66-1=65 Moving to Node #0,3 Current State: 11:[74, 1, 33], Operations: ['99-66=33'] Exploring Operation: 33-1=32, Resulting Numbers: [74, 32] Generated Node #0,3,0: 11:[74, 32] Operation: 33-1=32 Exploring Operation: 74-1=73, Resulting Numbers: [33, 73] Generated Node #0,3,1: 11:[33, 73] Operation: 74-1=73 Exploring Operation: 74-33=41, Resulting Numbers: [1, 41] Generated Node #0,3,2: 11:[1, 41] Operation: 74-33=41 Exploring Operation: 74/1=74, Resulting Numbers: [33, 74] Generated Node #0,3,3: 11:[33, 74] Operation: 74/1=74 Exploring Operation: 74*1=74, Resulting Numbers: [33, 74] Generated Node #0,3,4: 11:[33, 74] Operation: 74*1=74 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 11:[1, 41], Operations: ['99-66=33', '74-33=41'] Exploring Operation: 41/1=41, Resulting Numbers: [41] 41,11 unequal: No Solution Exploring Operation: 41-1=40, Resulting Numbers: [40] 40,11 unequal: No Solution Exploring Operation: 1+41=42, Resulting Numbers: [42] 42,11 unequal: No Solution Exploring Operation: 1*41=41, Resulting Numbers: [41] 41,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 11:[74, 32], Operations: ['99-66=33', '33-1=32'] Exploring Operation: 74*32=2368, Resulting Numbers: [2368] 2368,11 unequal: No Solution Exploring Operation: 74-32=42, Resulting Numbers: [42] 42,11 unequal: No Solution Exploring Operation: 74+32=106, Resulting Numbers: [106] 106,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 11:[33, 73], Operations: ['99-66=33', '74-1=73'] Exploring Operation: 73-33=40, Resulting Numbers: [40] 40,11 unequal: No Solution Exploring Operation: 33*73=2409, Resulting Numbers: [2409] 2409,11 unequal: No Solution Exploring Operation: 33+73=106, Resulting Numbers: [106] 106,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 11:[33, 74], Operations: ['99-66=33', '74/1=74'] Exploring Operation: 33+74=107, Resulting Numbers: [107] 107,11 unequal: No Solution Exploring Operation: 74-33=41, Resulting Numbers: [41] 41,11 unequal: No Solution Exploring Operation: 33*74=2442, Resulting Numbers: [2442] 2442,11 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 #0,3,4 Current State: 11:[33, 74], Operations: ['99-66=33', '74*1=74'] Exploring Operation: 33*74=2442, Resulting Numbers: [2442] 2442,11 unequal: No Solution Exploring Operation: 74-33=41, Resulting Numbers: [41] 41,11 unequal: No Solution Exploring Operation: 33+74=107, Resulting Numbers: [107] 107,11 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: 11:[99, 1, 8], Operations: ['74-66=8'] Exploring Operation: 99*1=99, Resulting Numbers: [8, 99] Generated Node #0,1,0: 11:[8, 99] Operation: 99*1=99 Exploring Operation: 99-8=91, Resulting Numbers: [1, 91] Generated Node #0,1,1: 11:[1, 91] Operation: 99-8=91 Exploring Operation: 1+8=9, Resulting Numbers: [99, 9] Generated Node #0,1,2: 11:[99, 9] Operation: 1+8=9 Exploring Operation: 99/1=99, Resulting Numbers: [8, 99] Generated Node #0,1,3: 11:[8, 99] Operation: 99/1=99 Exploring Operation: 99-1=98, Resulting Numbers: [8, 98] Generated Node #0,1,4: 11:[8, 98] Operation: 99-1=98 Moving to Node #0,2 Current State: 11:[74, 66, 98], Operations: ['99-1=98'] Exploring Operation: 74+98=172, Resulting Numbers: [66, 172] Generated Node #0,2,0: 11:[66, 172] Operation: 74+98=172 Exploring Operation: 98-66=32, Resulting Numbers: [74, 32] Generated Node #0,2,1: 11:[74, 32] Operation: 98-66=32 Exploring Operation: 74+66=140, Resulting Numbers: [98, 140] Generated Node #0,2,2: 11:[98, 140] Operation: 74+66=140 Exploring Operation: 98-74=24, Resulting Numbers: [66, 24] Generated Node #0,2,3: 11:[66, 24] Operation: 98-74=24 Exploring Operation: 74-66=8, Resulting Numbers: [98, 8] Generated Node #0,2,4: 11:[98, 8] Operation: 74-66=8 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 11:[66, 24], Operations: ['99-1=98', '98-74=24'] Exploring Operation: 66+24=90, Resulting Numbers: [90] 90,11 unequal: No Solution Exploring Operation: 66-24=42, Resulting Numbers: [42] 42,11 unequal: No Solution Exploring Operation: 66*24=1584, Resulting Numbers: [1584] 1584,11 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 #0,2,1 Current State: 11:[74, 32], Operations: ['99-1=98', '98-66=32'] Exploring Operation: 74+32=106, Resulting Numbers: [106] 106,11 unequal: No Solution Exploring Operation: 74-32=42, Resulting Numbers: [42] 42,11 unequal: No Solution Exploring Operation: 74*32=2368, Resulting Numbers: [2368] 2368,11 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 #0,2,4 Current State: 11:[98, 8], Operations: ['99-1=98', '74-66=8'] Exploring Operation: 98*8=784, Resulting Numbers: [784] 784,11 unequal: No Solution Exploring Operation: 98-8=90, Resulting Numbers: [90] 90,11 unequal: No Solution Exploring Operation: 98+8=106, Resulting Numbers: [106] 106,11 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 #0,2,0 Current State: 11:[66, 172], Operations: ['99-1=98', '74+98=172'] Exploring Operation: 66*172=11352, Resulting Numbers: [11352] 11352,11 unequal: No Solution Exploring Operation: 66+172=238, Resulting Numbers: [238] 238,11 unequal: No Solution Exploring Operation: 172-66=106, Resulting Numbers: [106] 106,11 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 #0,2,2 Current State: 11:[98, 140], Operations: ['99-1=98', '74+66=140'] Exploring Operation: 98+140=238, Resulting Numbers: [238] 238,11 unequal: No Solution Exploring Operation: 98*140=13720, Resulting Numbers: [13720] 13720,11 unequal: No Solution Exploring Operation: 140-98=42, Resulting Numbers: [42] 42,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 11:[99, 66, 73], Operations: ['74-1=73'] Exploring Operation: 73-66=7, Resulting Numbers: [99, 7] Generated Node #0,4,0: 11:[99, 7] Operation: 73-66=7 Exploring Operation: 99-66=33, Resulting Numbers: [73, 33] Generated Node #0,4,1: 11:[73, 33] Operation: 99-66=33 Exploring Operation: 99+73=172, Resulting Numbers: [66, 172] Generated Node #0,4,2: 11:[66, 172] Operation: 99+73=172 Exploring Operation: 99-73=26, Resulting Numbers: [66, 26] Generated Node #0,4,3: 11:[66, 26] Operation: 99-73=26 Exploring Operation: 99+66=165, Resulting Numbers: [73, 165] Generated Node #0,4,4: 11:[73, 165] Operation: 99+66=165 Moving to Node #0,0,1 Current State: 11:[1, 41], Operations: ['99-74=25', '66-25=41'] Exploring Operation: 1*41=41, Resulting Numbers: [41] 41,11 unequal: No Solution Exploring Operation: 1+41=42, Resulting Numbers: [42] 42,11 unequal: No Solution Exploring Operation: 41/1=41, Resulting Numbers: [41] 41,11 unequal: No Solution Exploring Operation: 41-1=40, Resulting Numbers: [40] 40,11 unequal: No Solution Moving to Node #0,0,4 Current State: 11:[25, 65], Operations: ['99-74=25', '66-1=65'] Exploring Operation: 65-25=40, Resulting Numbers: [40] 40,11 unequal: No Solution Exploring Operation: 25*65=1625, Resulting Numbers: [1625] 1625,11 unequal: No Solution Exploring Operation: 25+65=90, Resulting Numbers: [90] 90,11 unequal: No Solution Moving to Node #0,0,2 Current State: 11:[66, 24], Operations: ['99-74=25', '25-1=24'] Exploring Operation: 66*24=1584, Resulting Numbers: [1584] 1584,11 unequal: No Solution Exploring Operation: 66+24=90, Resulting Numbers: [90] 90,11 unequal: No Solution Exploring Operation: 66-24=42, Resulting Numbers: [42] 42,11 unequal: No Solution Moving to Node #0,0,3 Current State: 11:[25, 66], Operations: ['99-74=25', '66/1=66'] Exploring Operation: 25*66=1650, Resulting Numbers: [1650] 1650,11 unequal: No Solution Exploring Operation: 25+66=91, Resulting Numbers: [91] 91,11 unequal: No Solution Exploring Operation: 66-25=41, Resulting Numbers: [41] 41,11 unequal: No Solution Moving to Node #0,0,0 Current State: 11:[25, 66], Operations: ['99-74=25', '66*1=66'] Exploring Operation: 66-25=41, Resulting Numbers: [41] 41,11 unequal: No Solution Exploring Operation: 25+66=91, Resulting Numbers: [91] 91,11 unequal: No Solution Exploring Operation: 25*66=1650, Resulting Numbers: [1650] 1650,11 unequal: No Solution Moving to Node #0,4,3 Current State: 11:[66, 26], Operations: ['74-1=73', '99-73=26'] Exploring Operation: 66+26=92, Resulting Numbers: [92] 92,11 unequal: No Solution Exploring Operation: 66*26=1716, Resulting Numbers: [1716] 1716,11 unequal: No Solution Exploring Operation: 66-26=40, Resulting Numbers: [40] 40,11 unequal: No Solution Moving to Node #0,4,1 Current State: 11:[73, 33], Operations: ['74-1=73', '99-66=33'] Exploring Operation: 73+33=106, Resulting Numbers: [106] 106,11 unequal: No Solution Exploring Operation: 73-33=40, Resulting Numbers: [40] 40,11 unequal: No Solution Exploring Operation: 73*33=2409, Resulting Numbers: [2409] 2409,11 unequal: No Solution Moving to Node #0,1,2 Current State: 11:[99, 9], Operations: ['74-66=8', '1+8=9'] Exploring Operation: 99/9=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[99, 74, 66, 1], Operations: [] Exploring Operation: 74-66=8, Resulting Numbers: [99, 1, 8] Generated Node #0,1: 11:[99, 1, 8] Operation: 74-66=8 Moving to Node #0,1 Current State: 11:[99, 1, 8], Operations: ['74-66=8'] Exploring Operation: 1+8=9, Resulting Numbers: [99, 9] Generated Node #0,1,2: 11:[99, 9] Operation: 1+8=9 Moving to Node #0,1,2 Current State: 11:[99, 9], Operations: ['74-66=8', '1+8=9'] Exploring Operation: 99/9=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
0.923611
hs_5
sum_heuristic
[ 19, 32, 4, 34 ]
89
[ "19+32=51", "4+34=38", "51+38=89" ]
Current State: 89:[19, 32, 4, 34], Operations: [] Exploring Operation: 19+32=51, Resulting Numbers: [4, 34, 51] Generated Node #2: [4, 34, 51] from Operation: 19+32=51 Current State: 89:[4, 34, 51], Operations: ['19+32=51'] Exploring Operation: 4+34=38, Resulting Numbers: [51, 38] Generated Node #3: [51, 38] from Operation: 4+34=38 Current State: 89:[51, 38], Operations: ['19+32=51', '4+34=38'] Exploring Operation: 51+38=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[19, 32, 4, 34], Operations: [] Exploring Operation: 4*34=136, Resulting Numbers: [19, 32, 136] Generated Node #0,0: 89:[19, 32, 136] Operation: 4*34=136 Exploring Operation: 19*4=76, Resulting Numbers: [32, 34, 76] Generated Node #0,1: 89:[32, 34, 76] Operation: 19*4=76 Exploring Operation: 32*4=128, Resulting Numbers: [19, 34, 128] Generated Node #0,2: 89:[19, 34, 128] Operation: 32*4=128 Moving to Node #0,1 Current State: 89:[32, 34, 76], Operations: ['19*4=76'] Exploring Operation: 34+76=110, Resulting Numbers: [32, 110] Generated Node #0,1,0: 89:[32, 110] Operation: 34+76=110 Exploring Operation: 32+34=66, Resulting Numbers: [76, 66] Generated Node #0,1,1: 89:[76, 66] Operation: 32+34=66 Exploring Operation: 32+76=108, Resulting Numbers: [34, 108] Generated Node #0,1,2: 89:[34, 108] Operation: 32+76=108 Moving to Node #0,2 Current State: 89:[19, 34, 128], Operations: ['32*4=128'] Exploring Operation: 128-19=109, Resulting Numbers: [34, 109] Generated Node #0,2,0: 89:[34, 109] Operation: 128-19=109 Exploring Operation: 128-34=94, Resulting Numbers: [19, 94] Generated Node #0,2,1: 89:[19, 94] Operation: 128-34=94 Exploring Operation: 19+34=53, Resulting Numbers: [128, 53] Generated Node #0,2,2: 89:[128, 53] Operation: 19+34=53 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 89:[34, 109], Operations: ['32*4=128', '128-19=109'] Exploring Operation: 34+109=143, Resulting Numbers: [143] 143,89 unequal: No Solution Exploring Operation: 109-34=75, Resulting Numbers: [75] 75,89 unequal: No Solution Exploring Operation: 34*109=3706, Resulting Numbers: [3706] 3706,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 89:[19, 94], Operations: ['32*4=128', '128-34=94'] Exploring Operation: 19*94=1786, Resulting Numbers: [1786] 1786,89 unequal: No Solution Exploring Operation: 94-19=75, Resulting Numbers: [75] 75,89 unequal: No Solution Exploring Operation: 19+94=113, Resulting Numbers: [113] 113,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 89:[128, 53], Operations: ['32*4=128', '19+34=53'] Exploring Operation: 128+53=181, Resulting Numbers: [181] 181,89 unequal: No Solution Exploring Operation: 128*53=6784, Resulting Numbers: [6784] 6784,89 unequal: No Solution Exploring Operation: 128-53=75, Resulting Numbers: [75] 75,89 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: 89:[19, 32, 136], Operations: ['4*34=136'] Exploring Operation: 136-19=117, Resulting Numbers: [32, 117] Generated Node #0,0,0: 89:[32, 117] Operation: 136-19=117 Exploring Operation: 19+32=51, Resulting Numbers: [136, 51] Generated Node #0,0,1: 89:[136, 51] Operation: 19+32=51 Exploring Operation: 136-32=104, Resulting Numbers: [19, 104] Generated Node #0,0,2: 89:[19, 104] Operation: 136-32=104 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 89:[32, 117], Operations: ['4*34=136', '136-19=117'] Exploring Operation: 117-32=85, Resulting Numbers: [85] 85,89 unequal: No Solution Exploring Operation: 32+117=149, Resulting Numbers: [149] 149,89 unequal: No Solution Exploring Operation: 32*117=3744, Resulting Numbers: [3744] 3744,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 89:[136, 51], Operations: ['4*34=136', '19+32=51'] Exploring Operation: 136+51=187, Resulting Numbers: [187] 187,89 unequal: No Solution Exploring Operation: 136-51=85, Resulting Numbers: [85] 85,89 unequal: No Solution Exploring Operation: 136*51=6936, Resulting Numbers: [6936] 6936,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 89:[19, 104], Operations: ['4*34=136', '136-32=104'] Exploring Operation: 19*104=1976, Resulting Numbers: [1976] 1976,89 unequal: No Solution Exploring Operation: 19+104=123, Resulting Numbers: [123] 123,89 unequal: No Solution Exploring Operation: 104-19=85, Resulting Numbers: [85] 85,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,1 Current State: 89:[76, 66], Operations: ['19*4=76', '32+34=66'] Exploring Operation: 76*66=5016, Resulting Numbers: [5016] 5016,89 unequal: No Solution Exploring Operation: 76+66=142, Resulting Numbers: [142] 142,89 unequal: No Solution Exploring Operation: 76-66=10, Resulting Numbers: [10] 10,89 unequal: No Solution Moving to Node #0,1,2 Current State: 89:[34, 108], Operations: ['19*4=76', '32+76=108'] Exploring Operation: 108-34=74, Resulting Numbers: [74] 74,89 unequal: No Solution Exploring Operation: 34*108=3672, Resulting Numbers: [3672] 3672,89 unequal: No Solution Exploring Operation: 34+108=142, Resulting Numbers: [142] 142,89 unequal: No Solution Moving to Node #0,1,0 Current State: 89:[32, 110], Operations: ['19*4=76', '34+76=110'] Exploring Operation: 32*110=3520, Resulting Numbers: [3520] 3520,89 unequal: No Solution Exploring Operation: 32+110=142, Resulting Numbers: [142] 142,89 unequal: No Solution Exploring Operation: 110-32=78, Resulting Numbers: [78] 78,89 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 3, 13, 51, 41 ]
43
[ "51-41=10", "3*10=30", "13+30=43" ]
Current State: 43:[3, 13, 51, 41], Operations: [] Exploring Operation: 51-41=10, Resulting Numbers: [3, 13, 10] Generated Node #2: [3, 13, 10] from Operation: 51-41=10 Current State: 43:[3, 13, 10], Operations: ['51-41=10'] Exploring Operation: 3*10=30, Resulting Numbers: [13, 30] Generated Node #3: [13, 30] from Operation: 3*10=30 Current State: 43:[13, 30], Operations: ['51-41=10', '3*10=30'] Exploring Operation: 13+30=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[3, 13, 51, 41], Operations: [] Exploring Operation: 51-3=48, Resulting Numbers: [13, 41, 48] Generated Node #0,0: 43:[13, 41, 48] Operation: 51-3=48 Exploring Operation: 3+41=44, Resulting Numbers: [13, 51, 44] Generated Node #0,1: 43:[13, 51, 44] Operation: 3+41=44 Exploring Operation: 3*13=39, Resulting Numbers: [51, 41, 39] Generated Node #0,2: 43:[51, 41, 39] Operation: 3*13=39 Exploring Operation: 3+13=16, Resulting Numbers: [51, 41, 16] Generated Node #0,3: 43:[51, 41, 16] Operation: 3+13=16 Start Sub Search at level 1: Moving to Node #0,2 Current State: 43:[51, 41, 39], Operations: ['3*13=39'] Exploring Operation: 51-41=10, Resulting Numbers: [39, 10] Generated Node #0,2,0: 43:[39, 10] Operation: 51-41=10 Exploring Operation: 51-39=12, Resulting Numbers: [41, 12] Generated Node #0,2,1: 43:[41, 12] Operation: 51-39=12 Exploring Operation: 51+39=90, Resulting Numbers: [41, 90] Generated Node #0,2,2: 43:[41, 90] Operation: 51+39=90 Exploring Operation: 41+39=80, Resulting Numbers: [51, 80] Generated Node #0,2,3: 43:[51, 80] Operation: 41+39=80 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 43:[41, 12], Operations: ['3*13=39', '51-39=12'] Exploring Operation: 41-12=29, Resulting Numbers: [29] 29,43 unequal: No Solution Exploring Operation: 41*12=492, Resulting Numbers: [492] 492,43 unequal: No Solution Exploring Operation: 41+12=53, Resulting Numbers: [53] 53,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 43:[39, 10], Operations: ['3*13=39', '51-41=10'] Exploring Operation: 39*10=390, Resulting Numbers: [390] 390,43 unequal: No Solution Exploring Operation: 39+10=49, Resulting Numbers: [49] 49,43 unequal: No Solution Exploring Operation: 39-10=29, Resulting Numbers: [29] 29,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 43:[51, 80], Operations: ['3*13=39', '41+39=80'] Exploring Operation: 80-51=29, Resulting Numbers: [29] 29,43 unequal: No Solution Exploring Operation: 51+80=131, Resulting Numbers: [131] 131,43 unequal: No Solution Exploring Operation: 51*80=4080, Resulting Numbers: [4080] 4080,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 43:[41, 90], Operations: ['3*13=39', '51+39=90'] Exploring Operation: 41*90=3690, Resulting Numbers: [3690] 3690,43 unequal: No Solution Exploring Operation: 41+90=131, Resulting Numbers: [131] 131,43 unequal: No Solution Exploring Operation: 90-41=49, Resulting Numbers: [49] 49,43 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 #0,0 Current State: 43:[13, 41, 48], Operations: ['51-3=48'] Exploring Operation: 48-13=35, Resulting Numbers: [41, 35] Generated Node #0,0,0: 43:[41, 35] Operation: 48-13=35 Exploring Operation: 41-13=28, Resulting Numbers: [48, 28] Generated Node #0,0,1: 43:[48, 28] Operation: 41-13=28 Exploring Operation: 13+41=54, Resulting Numbers: [48, 54] Generated Node #0,0,2: 43:[48, 54] Operation: 13+41=54 Exploring Operation: 13+48=61, Resulting Numbers: [41, 61] Generated Node #0,0,3: 43:[41, 61] Operation: 13+48=61 Moving to Node #0,0,0 Current State: 43:[41, 35], Operations: ['51-3=48', '48-13=35'] Exploring Operation: 41-35=6, Resulting Numbers: [6] 6,43 unequal: No Solution Exploring Operation: 41*35=1435, Resulting Numbers: [1435] 1435,43 unequal: No Solution Exploring Operation: 41+35=76, Resulting Numbers: [76] 76,43 unequal: No Solution Moving to Node #0,0,2 Current State: 43:[48, 54], Operations: ['51-3=48', '13+41=54'] Exploring Operation: 54-48=6, Resulting Numbers: [6] 6,43 unequal: No Solution Exploring Operation: 48+54=102, Resulting Numbers: [102] 102,43 unequal: No Solution Exploring Operation: 48*54=2592, Resulting Numbers: [2592] 2592,43 unequal: No Solution Moving to Node #0,0,3 Current State: 43:[41, 61], Operations: ['51-3=48', '13+48=61'] Exploring Operation: 41*61=2501, Resulting Numbers: [2501] 2501,43 unequal: No Solution Exploring Operation: 41+61=102, Resulting Numbers: [102] 102,43 unequal: No Solution Exploring Operation: 61-41=20, Resulting Numbers: [20] 20,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[48, 28], Operations: ['51-3=48', '41-13=28'] Exploring Operation: 48-28=20, Resulting Numbers: [20] 20,43 unequal: No Solution Exploring Operation: 48+28=76, Resulting Numbers: [76] 76,43 unequal: No Solution Exploring Operation: 48*28=1344, Resulting Numbers: [1344] 1344,43 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:[51, 41, 16], Operations: ['3+13=16'] Exploring Operation: 51-16=35, Resulting Numbers: [41, 35] Generated Node #0,3,0: 43:[41, 35] Operation: 51-16=35 Exploring Operation: 51+16=67, Resulting Numbers: [41, 67] Generated Node #0,3,1: 43:[41, 67] Operation: 51+16=67 Exploring Operation: 41-16=25, Resulting Numbers: [51, 25] Generated Node #0,3,2: 43:[51, 25] Operation: 41-16=25 Exploring Operation: 41+16=57, Resulting Numbers: [51, 57] Generated Node #0,3,3: 43:[51, 57] Operation: 41+16=57 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 43:[41, 35], Operations: ['3+13=16', '51-16=35'] Exploring Operation: 41*35=1435, Resulting Numbers: [1435] 1435,43 unequal: No Solution Exploring Operation: 41-35=6, Resulting Numbers: [6] 6,43 unequal: No Solution Exploring Operation: 41+35=76, Resulting Numbers: [76] 76,43 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:[51, 57], Operations: ['3+13=16', '41+16=57'] Exploring Operation: 51+57=108, Resulting Numbers: [108] 108,43 unequal: No Solution Exploring Operation: 57-51=6, Resulting Numbers: [6] 6,43 unequal: No Solution Exploring Operation: 51*57=2907, Resulting Numbers: [2907] 2907,43 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:[41, 67], Operations: ['3+13=16', '51+16=67'] Exploring Operation: 67-41=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 41+67=108, Resulting Numbers: [108] 108,43 unequal: No Solution Exploring Operation: 41*67=2747, Resulting Numbers: [2747] 2747,43 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:[51, 25], Operations: ['3+13=16', '41-16=25'] Exploring Operation: 51+25=76, Resulting Numbers: [76] 76,43 unequal: No Solution Exploring Operation: 51-25=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 51*25=1275, Resulting Numbers: [1275] 1275,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[13, 51, 44], Operations: ['3+41=44'] Exploring Operation: 13+44=57, Resulting Numbers: [51, 57] Generated Node #0,1,0: 43:[51, 57] Operation: 13+44=57 Exploring Operation: 13+51=64, Resulting Numbers: [44, 64] Generated Node #0,1,1: 43:[44, 64] Operation: 13+51=64 Exploring Operation: 51-13=38, Resulting Numbers: [44, 38] Generated Node #0,1,2: 43:[44, 38] Operation: 51-13=38 Exploring Operation: 44-13=31, Resulting Numbers: [51, 31] Generated Node #0,1,3: 43:[51, 31] Operation: 44-13=31 Moving to Node #0,1,2 Current State: 43:[44, 38], Operations: ['3+41=44', '51-13=38'] Exploring Operation: 44+38=82, Resulting Numbers: [82] 82,43 unequal: No Solution Exploring Operation: 44-38=6, Resulting Numbers: [6] 6,43 unequal: No Solution Exploring Operation: 44*38=1672, Resulting Numbers: [1672] 1672,43 unequal: No Solution Moving to Node #0,1,3 Current State: 43:[51, 31], Operations: ['3+41=44', '44-13=31'] Exploring Operation: 51-31=20, Resulting Numbers: [20] 20,43 unequal: No Solution Exploring Operation: 51*31=1581, Resulting Numbers: [1581] 1581,43 unequal: No Solution Exploring Operation: 51+31=82, Resulting Numbers: [82] 82,43 unequal: No Solution Moving to Node #0,1,1 Current State: 43:[44, 64], Operations: ['3+41=44', '13+51=64'] Exploring Operation: 64-44=20, Resulting Numbers: [20] 20,43 unequal: No Solution Exploring Operation: 44+64=108, Resulting Numbers: [108] 108,43 unequal: No Solution Exploring Operation: 44*64=2816, Resulting Numbers: [2816] 2816,43 unequal: No Solution Moving to Node #0,1,0 Current State: 43:[51, 57], Operations: ['3+41=44', '13+44=57'] Exploring Operation: 51+57=108, Resulting Numbers: [108] 108,43 unequal: No Solution Exploring Operation: 57-51=6, Resulting Numbers: [6] 6,43 unequal: No Solution Exploring Operation: 51*57=2907, Resulting Numbers: [2907] 2907,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 2, 64, 65, 37 ]
18
[ "65-64=1", "37-1=36", "36/2=18" ]
Current State: 18:[2, 64, 65, 37], Operations: [] Exploring Operation: 65-64=1, Resulting Numbers: [2, 37, 1] Generated Node #2: [2, 37, 1] from Operation: 65-64=1 Current State: 18:[2, 37, 1], Operations: ['65-64=1'] Exploring Operation: 37-1=36, Resulting Numbers: [2, 36] Generated Node #3: [2, 36] from Operation: 37-1=36 Current State: 18:[2, 36], Operations: ['65-64=1', '37-1=36'] Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[2, 64, 65, 37], Operations: [] Exploring Operation: 65-64=1, Resulting Numbers: [2, 37, 1] Generated Node #0,0: 18:[2, 37, 1] Operation: 65-64=1 Moving to Node #0,0 Current State: 18:[2, 37, 1], Operations: ['65-64=1'] Exploring Operation: 37-2=35, Resulting Numbers: [1, 35] Generated Node #0,0,0: 18:[1, 35] Operation: 37-2=35 Moving to Node #0,0,0 Current State: 18:[1, 35], Operations: ['65-64=1', '37-2=35'] Exploring Operation: 35-1=34, Resulting Numbers: [34] 34,18 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 80, 45, 22, 29 ]
90
[ "80-22=58", "45*58=2610", "2610/29=90" ]
Current State: 90:[80, 45, 22, 29], Operations: [] Exploring Operation: 80-22=58, Resulting Numbers: [45, 29, 58] Generated Node #2: [45, 29, 58] from Operation: 80-22=58 Current State: 90:[45, 29, 58], Operations: ['80-22=58'] Exploring Operation: 45*58=2610, Resulting Numbers: [29, 2610] Generated Node #3: [29, 2610] from Operation: 45*58=2610 Current State: 90:[29, 2610], Operations: ['80-22=58', '45*58=2610'] Exploring Operation: 2610/29=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[80, 45, 22, 29], Operations: [] Exploring Operation: 80-45=35, Resulting Numbers: [22, 29, 35] Generated Node #0,0: 90:[22, 29, 35] Operation: 80-45=35 Moving to Node #0,0 Current State: 90:[22, 29, 35], Operations: ['80-45=35'] Exploring Operation: 35-22=13, Resulting Numbers: [29, 13] Generated Node #0,0,0: 90:[29, 13] Operation: 35-22=13 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 90:[29, 13], Operations: ['80-45=35', '35-22=13'] Exploring Operation: 29-13=16, Resulting Numbers: [16] 16,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 3, 4, 18, 22 ]
32
[ "18/3=6", "4+22=26", "6+26=32" ]
Current State: 32:[3, 4, 18, 22], Operations: [] Exploring Operation: 18/3=6, Resulting Numbers: [4, 22, 6] Generated Node #2: [4, 22, 6] from Operation: 18/3=6 Current State: 32:[4, 22, 6], Operations: ['18/3=6'] Exploring Operation: 4+22=26, Resulting Numbers: [6, 26] Generated Node #3: [6, 26] from Operation: 4+22=26 Current State: 32:[6, 26], Operations: ['18/3=6', '4+22=26'] Exploring Operation: 6+26=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[3, 4, 18, 22], Operations: [] Exploring Operation: 22-3=19, Resulting Numbers: [4, 18, 19] Generated Node #0,0: 32:[4, 18, 19] Operation: 22-3=19 Exploring Operation: 18/3=6, Resulting Numbers: [4, 22, 6] Generated Node #0,1: 32:[4, 22, 6] Operation: 18/3=6 Exploring Operation: 22-4=18, Resulting Numbers: [3, 18, 18] Generated Node #0,2: 32:[3, 18, 18] Operation: 22-4=18 Exploring Operation: 18-3=15, Resulting Numbers: [4, 22, 15] Generated Node #0,3: 32:[4, 22, 15] Operation: 18-3=15 Exploring Operation: 22-18=4, Resulting Numbers: [3, 4, 4] Generated Node #0,4: 32:[3, 4, 4] Operation: 22-18=4 Start Sub Search at level 1: Moving to Node #0,4 Current State: 32:[3, 4, 4], Operations: ['22-18=4'] Exploring Operation: 4-3=1, Resulting Numbers: [4, 1] Generated Node #0,4,0: 32:[4, 1] Operation: 4-3=1 Exploring Operation: 4+4=8, Resulting Numbers: [3, 8] Generated Node #0,4,1: 32:[3, 8] Operation: 4+4=8 Exploring Operation: 3+4=7, Resulting Numbers: [4, 7] Generated Node #0,4,2: 32:[4, 7] Operation: 3+4=7 Exploring Operation: 3+4=7, Resulting Numbers: [4, 7] Generated Node #0,4,3: 32:[4, 7] Operation: 3+4=7 Exploring Operation: 4-3=1, Resulting Numbers: [4, 1] Generated Node #0,4,4: 32:[4, 1] Operation: 4-3=1 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 32:[4, 1], Operations: ['22-18=4', '4-3=1'] Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,32 unequal: No Solution Exploring Operation: 4+1=5, Resulting Numbers: [5] 5,32 unequal: No Solution Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,32 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 32:[3, 8], Operations: ['22-18=4', '4+4=8'] Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,32 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,32 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 32:[4, 7], Operations: ['22-18=4', '3+4=7'] Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,32 unequal: No Solution Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,32 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 32:[4, 7], Operations: ['22-18=4', '3+4=7'] Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,32 unequal: No Solution Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,32 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 32:[4, 1], Operations: ['22-18=4', '4-3=1'] Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,32 unequal: No Solution Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,32 unequal: No Solution Exploring Operation: 4+1=5, Resulting Numbers: [5] 5,32 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[4, 18, 19], Operations: ['22-3=19'] Exploring Operation: 19-18=1, Resulting Numbers: [4, 1] Generated Node #0,0,0: 32:[4, 1] Operation: 19-18=1 Exploring Operation: 19-4=15, Resulting Numbers: [18, 15] Generated Node #0,0,1: 32:[18, 15] Operation: 19-4=15 Exploring Operation: 18+19=37, Resulting Numbers: [4, 37] Generated Node #0,0,2: 32:[4, 37] Operation: 18+19=37 Exploring Operation: 4+18=22, Resulting Numbers: [19, 22] Generated Node #0,0,3: 32:[19, 22] Operation: 4+18=22 Exploring Operation: 18-4=14, Resulting Numbers: [19, 14] Generated Node #0,0,4: 32:[19, 14] Operation: 18-4=14 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 32:[4, 1], Operations: ['22-3=19', '19-18=1'] Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,32 unequal: No Solution Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,32 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,32 unequal: No Solution Exploring Operation: 4+1=5, Resulting Numbers: [5] 5,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 32:[18, 15], Operations: ['22-3=19', '19-4=15'] Exploring Operation: 18-15=3, Resulting Numbers: [3] 3,32 unequal: No Solution Exploring Operation: 18*15=270, Resulting Numbers: [270] 270,32 unequal: No Solution Exploring Operation: 18+15=33, Resulting Numbers: [33] 33,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 32:[4, 37], Operations: ['22-3=19', '18+19=37'] Exploring Operation: 4*37=148, Resulting Numbers: [148] 148,32 unequal: No Solution Exploring Operation: 4+37=41, Resulting Numbers: [41] 41,32 unequal: No Solution Exploring Operation: 37-4=33, Resulting Numbers: [33] 33,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 32:[19, 14], Operations: ['22-3=19', '18-4=14'] Exploring Operation: 19+14=33, Resulting Numbers: [33] 33,32 unequal: No Solution Exploring Operation: 19-14=5, Resulting Numbers: [5] 5,32 unequal: No Solution Exploring Operation: 19*14=266, Resulting Numbers: [266] 266,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 32:[19, 22], Operations: ['22-3=19', '4+18=22'] Exploring Operation: 19*22=418, Resulting Numbers: [418] 418,32 unequal: No Solution Exploring Operation: 19+22=41, Resulting Numbers: [41] 41,32 unequal: No Solution Exploring Operation: 22-19=3, Resulting Numbers: [3] 3,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 32:[3, 18, 18], Operations: ['22-4=18'] Exploring Operation: 18-3=15, Resulting Numbers: [18, 15] Generated Node #0,2,0: 32:[18, 15] Operation: 18-3=15 Exploring Operation: 18/18=1, Resulting Numbers: [3, 1] Generated Node #0,2,1: 32:[3, 1] Operation: 18/18=1 Exploring Operation: 18-3=15, Resulting Numbers: [18, 15] Generated Node #0,2,2: 32:[18, 15] Operation: 18-3=15 Exploring Operation: 18-18=0, Resulting Numbers: [3, 0] Generated Node #0,2,3: 32:[3, 0] Operation: 18-18=0 Exploring Operation: 18/3=6, Resulting Numbers: [18, 6] Generated Node #0,2,4: 32:[18, 6] Operation: 18/3=6 Moving to Node #0,2,1 Current State: 32:[3, 1], Operations: ['22-4=18', '18/18=1'] Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,32 unequal: No Solution Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,32 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,32 unequal: No Solution Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,32 unequal: No Solution Moving to Node #0,2,2 Current State: 32:[18, 15], Operations: ['22-4=18', '18-3=15'] Exploring Operation: 18*15=270, Resulting Numbers: [270] 270,32 unequal: No Solution Exploring Operation: 18-15=3, Resulting Numbers: [3] 3,32 unequal: No Solution Exploring Operation: 18+15=33, Resulting Numbers: [33] 33,32 unequal: No Solution Moving to Node #0,2,0 Current State: 32:[18, 15], Operations: ['22-4=18', '18-3=15'] Exploring Operation: 18+15=33, Resulting Numbers: [33] 33,32 unequal: No Solution Exploring Operation: 18*15=270, Resulting Numbers: [270] 270,32 unequal: No Solution Exploring Operation: 18-15=3, Resulting Numbers: [3] 3,32 unequal: No Solution Moving to Node #0,2,3 Current State: 32:[3, 0], Operations: ['22-4=18', '18-18=0'] Exploring Operation: 3-0=3, Resulting Numbers: [3] 3,32 unequal: No Solution Exploring Operation: 3*0=0, Resulting Numbers: [0] 0,32 unequal: No Solution Exploring Operation: 3+0=3, Resulting Numbers: [3] 3,32 unequal: No Solution Moving to Node #0,2,4 Current State: 32:[18, 6], Operations: ['22-4=18', '18/3=6'] Exploring Operation: 18*6=108, Resulting Numbers: [108] 108,32 unequal: No Solution Exploring Operation: 18+6=24, Resulting Numbers: [24] 24,32 unequal: No Solution Exploring Operation: 18/6=3, Resulting Numbers: [3] 3,32 unequal: No Solution Exploring Operation: 18-6=12, Resulting Numbers: [12] 12,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 32:[4, 22, 15], Operations: ['18-3=15'] Exploring Operation: 22-4=18, Resulting Numbers: [15, 18] Generated Node #0,3,0: 32:[15, 18] Operation: 22-4=18 Exploring Operation: 4+22=26, Resulting Numbers: [15, 26] Generated Node #0,3,1: 32:[15, 26] Operation: 4+22=26 Exploring Operation: 22-15=7, Resulting Numbers: [4, 7] Generated Node #0,3,2: 32:[4, 7] Operation: 22-15=7 Exploring Operation: 22+15=37, Resulting Numbers: [4, 37] Generated Node #0,3,3: 32:[4, 37] Operation: 22+15=37 Exploring Operation: 4+15=19, Resulting Numbers: [22, 19] Generated Node #0,3,4: 32:[22, 19] Operation: 4+15=19 Moving to Node #0,3,2 Current State: 32:[4, 7], Operations: ['18-3=15', '22-15=7'] Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,32 unequal: No Solution Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,32 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,32 unequal: No Solution Moving to Node #0,3,0 Current State: 32:[15, 18], Operations: ['18-3=15', '22-4=18'] Exploring Operation: 18-15=3, Resulting Numbers: [3] 3,32 unequal: No Solution Exploring Operation: 15*18=270, Resulting Numbers: [270] 270,32 unequal: No Solution Exploring Operation: 15+18=33, Resulting Numbers: [33] 33,32 unequal: No Solution Moving to Node #0,3,3 Current State: 32:[4, 37], Operations: ['18-3=15', '22+15=37'] Exploring Operation: 4*37=148, Resulting Numbers: [148] 148,32 unequal: No Solution Exploring Operation: 4+37=41, Resulting Numbers: [41] 41,32 unequal: No Solution Exploring Operation: 37-4=33, Resulting Numbers: [33] 33,32 unequal: No Solution Moving to Node #0,3,1 Current State: 32:[15, 26], Operations: ['18-3=15', '4+22=26'] Exploring Operation: 15+26=41, Resulting Numbers: [41] 41,32 unequal: No Solution Exploring Operation: 15*26=390, Resulting Numbers: [390] 390,32 unequal: No Solution Exploring Operation: 26-15=11, Resulting Numbers: [11] 11,32 unequal: No Solution Moving to Node #0,3,4 Current State: 32:[22, 19], Operations: ['18-3=15', '4+15=19'] Exploring Operation: 22+19=41, Resulting Numbers: [41] 41,32 unequal: No Solution Exploring Operation: 22-19=3, Resulting Numbers: [3] 3,32 unequal: No Solution Exploring Operation: 22*19=418, Resulting Numbers: [418] 418,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 32:[4, 22, 6], Operations: ['18/3=6'] Exploring Operation: 22-4=18, Resulting Numbers: [6, 18] Generated Node #0,1,0: 32:[6, 18] Operation: 22-4=18 Exploring Operation: 4+22=26, Resulting Numbers: [6, 26] Generated Node #0,1,1: 32:[6, 26] Operation: 4+22=26 Exploring Operation: 6-4=2, Resulting Numbers: [22, 2] Generated Node #0,1,2: 32:[22, 2] Operation: 6-4=2 Exploring Operation: 22+6=28, Resulting Numbers: [4, 28] Generated Node #0,1,3: 32:[4, 28] Operation: 22+6=28 Exploring Operation: 22-6=16, Resulting Numbers: [4, 16] Generated Node #0,1,4: 32:[4, 16] Operation: 22-6=16 Moving to Node #0,1,4 Current State: 32:[4, 16], Operations: ['18/3=6', '22-6=16'] Exploring Operation: 4*16=64, Resulting Numbers: [64] 64,32 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,32 unequal: No Solution Exploring Operation: 4+16=20, Resulting Numbers: [20] 20,32 unequal: No Solution Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,32 unequal: No Solution Moving to Node #0,1,3 Current State: 32:[4, 28], Operations: ['18/3=6', '22+6=28'] Exploring Operation: 4*28=112, Resulting Numbers: [112] 112,32 unequal: No Solution Exploring Operation: 28-4=24, Resulting Numbers: [24] 24,32 unequal: No Solution Exploring Operation: 28/4=7, Resulting Numbers: [7] 7,32 unequal: No Solution Exploring Operation: 4+28=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[3, 4, 18, 22], Operations: [] Exploring Operation: 18/3=6, Resulting Numbers: [4, 22, 6] Generated Node #0,1: 32:[4, 22, 6] Operation: 18/3=6 Moving to Node #0,1 Current State: 32:[4, 22, 6], Operations: ['18/3=6'] Exploring Operation: 22+6=28, Resulting Numbers: [4, 28] Generated Node #0,1,3: 32:[4, 28] Operation: 22+6=28 Moving to Node #0,1,3 Current State: 32:[4, 28], Operations: ['18/3=6', '22+6=28'] Exploring Operation: 4+28=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.907118
hs_5
sum_heuristic
[ 80, 73, 47, 9 ]
16
[ "80-73=7", "9*7=63", "63-47=16" ]
Current State: 16:[80, 73, 47, 9], Operations: [] Exploring Operation: 80-73=7, Resulting Numbers: [47, 9, 7] Generated Node #2: [47, 9, 7] from Operation: 80-73=7 Current State: 16:[47, 9, 7], Operations: ['80-73=7'] Exploring Operation: 9*7=63, Resulting Numbers: [47, 63] Generated Node #3: [47, 63] from Operation: 9*7=63 Current State: 16:[47, 63], Operations: ['80-73=7', '9*7=63'] Exploring Operation: 63-47=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[80, 73, 47, 9], Operations: [] Exploring Operation: 80-73=7, Resulting Numbers: [47, 9, 7] Generated Node #0,0: 16:[47, 9, 7] Operation: 80-73=7 Moving to Node #0,0 Current State: 16:[47, 9, 7], Operations: ['80-73=7'] Exploring Operation: 47-9=38, Resulting Numbers: [7, 38] Generated Node #0,0,0: 16:[7, 38] Operation: 47-9=38 Moving to Node #0,0,0 Current State: 16:[7, 38], Operations: ['80-73=7', '47-9=38'] Exploring Operation: 38-7=31, Resulting Numbers: [31] 31,16 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 31, 93, 72, 59 ]
16
[ "93/31=3", "72-59=13", "3+13=16" ]
Current State: 16:[31, 93, 72, 59], Operations: [] Exploring Operation: 93/31=3, Resulting Numbers: [72, 59, 3] Generated Node #2: [72, 59, 3] from Operation: 93/31=3 Current State: 16:[72, 59, 3], Operations: ['93/31=3'] Exploring Operation: 72-59=13, Resulting Numbers: [3, 13] Generated Node #3: [3, 13] from Operation: 72-59=13 Current State: 16:[3, 13], Operations: ['93/31=3', '72-59=13'] Exploring Operation: 3+13=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[31, 93, 72, 59], Operations: [] Exploring Operation: 93/31=3, Resulting Numbers: [72, 59, 3] Generated Node #0,0: 16:[72, 59, 3] Operation: 93/31=3 Exploring Operation: 93-59=34, Resulting Numbers: [31, 72, 34] Generated Node #0,1: 16:[31, 72, 34] Operation: 93-59=34 Exploring Operation: 72-59=13, Resulting Numbers: [31, 93, 13] Generated Node #0,2: 16:[31, 93, 13] Operation: 72-59=13 Exploring Operation: 93-72=21, Resulting Numbers: [31, 59, 21] Generated Node #0,3: 16:[31, 59, 21] Operation: 93-72=21 Start Sub Search at level 1: Moving to Node #0,3 Current State: 16:[31, 59, 21], Operations: ['93-72=21'] Exploring Operation: 59-31=28, Resulting Numbers: [21, 28] Generated Node #0,3,0: 16:[21, 28] Operation: 59-31=28 Exploring Operation: 59-21=38, Resulting Numbers: [31, 38] Generated Node #0,3,1: 16:[31, 38] Operation: 59-21=38 Exploring Operation: 31-21=10, Resulting Numbers: [59, 10] Generated Node #0,3,2: 16:[59, 10] Operation: 31-21=10 Exploring Operation: 31+59=90, Resulting Numbers: [21, 90] Generated Node #0,3,3: 16:[21, 90] Operation: 31+59=90 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 16:[21, 28], Operations: ['93-72=21', '59-31=28'] Exploring Operation: 21+28=49, Resulting Numbers: [49] 49,16 unequal: No Solution Exploring Operation: 21*28=588, Resulting Numbers: [588] 588,16 unequal: No Solution Exploring Operation: 28-21=7, Resulting Numbers: [7] 7,16 unequal: No Solution No 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: 16:[31, 38], Operations: ['93-72=21', '59-21=38'] Exploring Operation: 38-31=7, Resulting Numbers: [7] 7,16 unequal: No Solution Exploring Operation: 31*38=1178, Resulting Numbers: [1178] 1178,16 unequal: No Solution Exploring Operation: 31+38=69, Resulting Numbers: [69] 69,16 unequal: No Solution No 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: 16:[59, 10], Operations: ['93-72=21', '31-21=10'] Exploring Operation: 59-10=49, Resulting Numbers: [49] 49,16 unequal: No Solution Exploring Operation: 59+10=69, Resulting Numbers: [69] 69,16 unequal: No Solution Exploring Operation: 59*10=590, Resulting Numbers: [590] 590,16 unequal: No Solution No 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: 16:[21, 90], Operations: ['93-72=21', '31+59=90'] Exploring Operation: 21+90=111, Resulting Numbers: [111] 111,16 unequal: No Solution Exploring Operation: 21*90=1890, Resulting Numbers: [1890] 1890,16 unequal: No Solution Exploring Operation: 90-21=69, Resulting Numbers: [69] 69,16 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: 16:[31, 72, 34], Operations: ['93-59=34'] Exploring Operation: 31+72=103, Resulting Numbers: [34, 103] Generated Node #0,1,0: 16:[34, 103] Operation: 31+72=103 Exploring Operation: 34-31=3, Resulting Numbers: [72, 3] Generated Node #0,1,1: 16:[72, 3] Operation: 34-31=3 Exploring Operation: 72-31=41, Resulting Numbers: [34, 41] Generated Node #0,1,2: 16:[34, 41] Operation: 72-31=41 Exploring Operation: 72-34=38, Resulting Numbers: [31, 38] Generated Node #0,1,3: 16:[31, 38] Operation: 72-34=38 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 16:[31, 38], Operations: ['93-59=34', '72-34=38'] Exploring Operation: 38-31=7, Resulting Numbers: [7] 7,16 unequal: No Solution Exploring Operation: 31*38=1178, Resulting Numbers: [1178] 1178,16 unequal: No Solution Exploring Operation: 31+38=69, Resulting Numbers: [69] 69,16 unequal: No Solution No 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: 16:[34, 41], Operations: ['93-59=34', '72-31=41'] Exploring Operation: 34+41=75, Resulting Numbers: [75] 75,16 unequal: No Solution Exploring Operation: 34*41=1394, Resulting Numbers: [1394] 1394,16 unequal: No Solution Exploring Operation: 41-34=7, Resulting Numbers: [7] 7,16 unequal: No Solution No 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: 16:[72, 3], Operations: ['93-59=34', '34-31=3'] Exploring Operation: 72*3=216, Resulting Numbers: [216] 216,16 unequal: No Solution Exploring Operation: 72/3=24, Resulting Numbers: [24] 24,16 unequal: No Solution Exploring Operation: 72+3=75, Resulting Numbers: [75] 75,16 unequal: No Solution Exploring Operation: 72-3=69, Resulting Numbers: [69] 69,16 unequal: No Solution No 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: 16:[34, 103], Operations: ['93-59=34', '31+72=103'] Exploring Operation: 34+103=137, Resulting Numbers: [137] 137,16 unequal: No Solution Exploring Operation: 34*103=3502, Resulting Numbers: [3502] 3502,16 unequal: No Solution Exploring Operation: 103-34=69, Resulting Numbers: [69] 69,16 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: 16:[31, 93, 13], Operations: ['72-59=13'] Exploring Operation: 93/31=3, Resulting Numbers: [13, 3] Generated Node #0,2,0: 16:[13, 3] Operation: 93/31=3 Exploring Operation: 31-13=18, Resulting Numbers: [93, 18] Generated Node #0,2,1: 16:[93, 18] Operation: 31-13=18 Exploring Operation: 93-31=62, Resulting Numbers: [13, 62] Generated Node #0,2,2: 16:[13, 62] Operation: 93-31=62 Exploring Operation: 93-13=80, Resulting Numbers: [31, 80] Generated Node #0,2,3: 16:[31, 80] Operation: 93-13=80 Moving to Node #0,2,0 Current State: 16:[13, 3], Operations: ['72-59=13', '93/31=3'] Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,16 unequal: No Solution Exploring Operation: 13+3=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[31, 93, 72, 59], Operations: [] Exploring Operation: 72-59=13, Resulting Numbers: [31, 93, 13] Generated Node #0,2: 16:[31, 93, 13] Operation: 72-59=13 Moving to Node #0,2 Current State: 16:[31, 93, 13], Operations: ['72-59=13'] Exploring Operation: 93/31=3, Resulting Numbers: [13, 3] Generated Node #0,2,0: 16:[13, 3] Operation: 93/31=3 Moving to Node #0,2,0 Current State: 16:[13, 3], Operations: ['72-59=13', '93/31=3'] Exploring Operation: 13+3=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.959201
hs_4
sum_heuristic
[ 89, 65, 84, 7 ]
63
[ "89+65=154", "84+7=91", "154-91=63" ]
Current State: 63:[89, 65, 84, 7], Operations: [] Exploring Operation: 89+65=154, Resulting Numbers: [84, 7, 154] Generated Node #2: [84, 7, 154] from Operation: 89+65=154 Current State: 63:[84, 7, 154], Operations: ['89+65=154'] Exploring Operation: 84+7=91, Resulting Numbers: [154, 91] Generated Node #3: [154, 91] from Operation: 84+7=91 Current State: 63:[154, 91], Operations: ['89+65=154', '84+7=91'] Exploring Operation: 154-91=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[89, 65, 84, 7], Operations: [] Exploring Operation: 89-84=5, Resulting Numbers: [65, 7, 5] Generated Node #0,0: 63:[65, 7, 5] Operation: 89-84=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[65, 7, 5], Operations: ['89-84=5'] Exploring Operation: 65-5=60, Resulting Numbers: [7, 60] Generated Node #0,0,0: 63:[7, 60] Operation: 65-5=60 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 63:[7, 60], Operations: ['89-84=5', '65-5=60'] Exploring Operation: 7+60=67, Resulting Numbers: [67] 67,63 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
[ 52, 81, 33, 21 ]
17
[ "81-52=29", "33-21=12", "29-12=17" ]
Current State: 17:[52, 81, 33, 21], Operations: [] Exploring Operation: 81-52=29, Resulting Numbers: [33, 21, 29] Generated Node #2: [33, 21, 29] from Operation: 81-52=29 Current State: 17:[33, 21, 29], Operations: ['81-52=29'] Exploring Operation: 33-21=12, Resulting Numbers: [29, 12] Generated Node #3: [29, 12] from Operation: 33-21=12 Current State: 17:[29, 12], Operations: ['81-52=29', '33-21=12'] Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[52, 81, 33, 21], Operations: [] Exploring Operation: 52-33=19, Resulting Numbers: [81, 21, 19] Generated Node #0,0: 17:[81, 21, 19] Operation: 52-33=19 Exploring Operation: 81-52=29, Resulting Numbers: [33, 21, 29] Generated Node #0,1: 17:[33, 21, 29] Operation: 81-52=29 Exploring Operation: 52-21=31, Resulting Numbers: [81, 33, 31] Generated Node #0,2: 17:[81, 33, 31] Operation: 52-21=31 Exploring Operation: 81-33=48, Resulting Numbers: [52, 21, 48] Generated Node #0,3: 17:[52, 21, 48] Operation: 81-33=48 Exploring Operation: 81-21=60, Resulting Numbers: [52, 33, 60] Generated Node #0,4: 17:[52, 33, 60] Operation: 81-21=60 Start Sub Search at level 1: Moving to Node #0,1 Current State: 17:[33, 21, 29], Operations: ['81-52=29'] Exploring Operation: 33+29=62, Resulting Numbers: [21, 62] Generated Node #0,1,0: 17:[21, 62] Operation: 33+29=62 Exploring Operation: 29-21=8, Resulting Numbers: [33, 8] Generated Node #0,1,1: 17:[33, 8] Operation: 29-21=8 Exploring Operation: 33-29=4, Resulting Numbers: [21, 4] Generated Node #0,1,2: 17:[21, 4] Operation: 33-29=4 Exploring Operation: 33+21=54, Resulting Numbers: [29, 54] Generated Node #0,1,3: 17:[29, 54] Operation: 33+21=54 Exploring Operation: 33-21=12, Resulting Numbers: [29, 12] Generated Node #0,1,4: 17:[29, 12] Operation: 33-21=12 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 17:[21, 4], Operations: ['81-52=29', '33-29=4'] Exploring Operation: 21*4=84, Resulting Numbers: [84] 84,17 unequal: No Solution Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[52, 81, 33, 21], Operations: [] Exploring Operation: 81-52=29, Resulting Numbers: [33, 21, 29] Generated Node #0,1: 17:[33, 21, 29] Operation: 81-52=29 Moving to Node #0,1 Current State: 17:[33, 21, 29], Operations: ['81-52=29'] Exploring Operation: 33-29=4, Resulting Numbers: [21, 4] Generated Node #0,1,2: 17:[21, 4] Operation: 33-29=4 Moving to Node #0,1,2 Current State: 17:[21, 4], Operations: ['81-52=29', '33-29=4'] Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 37, 12, 95, 4 ]
64
[ "37*12=444", "95*4=380", "444-380=64" ]
Current State: 64:[37, 12, 95, 4], Operations: [] Exploring Operation: 37*12=444, Resulting Numbers: [95, 4, 444] Generated Node #2: [95, 4, 444] from Operation: 37*12=444 Current State: 64:[95, 4, 444], Operations: ['37*12=444'] Exploring Operation: 95*4=380, Resulting Numbers: [444, 380] Generated Node #3: [444, 380] from Operation: 95*4=380 Current State: 64:[444, 380], Operations: ['37*12=444', '95*4=380'] Exploring Operation: 444-380=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[37, 12, 95, 4], Operations: [] Exploring Operation: 95-12=83, Resulting Numbers: [37, 4, 83] Generated Node #0,0: 64:[37, 4, 83] Operation: 95-12=83 Exploring Operation: 95-37=58, Resulting Numbers: [12, 4, 58] Generated Node #0,1: 64:[12, 4, 58] Operation: 95-37=58 Start Sub Search at level 1: Moving to Node #0,1 Current State: 64:[12, 4, 58], Operations: ['95-37=58'] Exploring Operation: 12-4=8, Resulting Numbers: [58, 8] Generated Node #0,1,0: 64:[58, 8] Operation: 12-4=8 Exploring Operation: 12+4=16, Resulting Numbers: [58, 16] Generated Node #0,1,1: 64:[58, 16] Operation: 12+4=16 Moving to Node #0,1,0 Current State: 64:[58, 8], Operations: ['95-37=58', '12-4=8'] Exploring Operation: 58-8=50, Resulting Numbers: [50] 50,64 unequal: No Solution Exploring Operation: 58+8=66, Resulting Numbers: [66] 66,64 unequal: No Solution Moving to Node #0,1,1 Current State: 64:[58, 16], Operations: ['95-37=58', '12+4=16'] Exploring Operation: 58+16=74, Resulting Numbers: [74] 74,64 unequal: No Solution Exploring Operation: 58-16=42, Resulting Numbers: [42] 42,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[37, 4, 83], Operations: ['95-12=83'] Exploring Operation: 83-37=46, Resulting Numbers: [4, 46] Generated Node #0,0,0: 64:[4, 46] Operation: 83-37=46 Exploring Operation: 37-4=33, Resulting Numbers: [83, 33] Generated Node #0,0,1: 64:[83, 33] Operation: 37-4=33 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 64:[4, 46], Operations: ['95-12=83', '83-37=46'] Exploring Operation: 46-4=42, Resulting Numbers: [42] 42,64 unequal: No Solution Exploring Operation: 4+46=50, Resulting Numbers: [50] 50,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 64:[83, 33], Operations: ['95-12=83', '37-4=33'] Exploring Operation: 83+33=116, Resulting Numbers: [116] 116,64 unequal: No Solution Exploring Operation: 83-33=50, Resulting Numbers: [50] 50,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 11, 22, 54, 61 ]
14
[ "22/11=2", "61-54=7", "2*7=14" ]
Current State: 14:[11, 22, 54, 61], Operations: [] Exploring Operation: 22/11=2, Resulting Numbers: [54, 61, 2] Generated Node #2: [54, 61, 2] from Operation: 22/11=2 Current State: 14:[54, 61, 2], Operations: ['22/11=2'] Exploring Operation: 61-54=7, Resulting Numbers: [2, 7] Generated Node #3: [2, 7] from Operation: 61-54=7 Current State: 14:[2, 7], Operations: ['22/11=2', '61-54=7'] Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[11, 22, 54, 61], Operations: [] Exploring Operation: 61-54=7, Resulting Numbers: [11, 22, 7] Generated Node #0,0: 14:[11, 22, 7] Operation: 61-54=7 Exploring Operation: 54-22=32, Resulting Numbers: [11, 61, 32] Generated Node #0,1: 14:[11, 61, 32] Operation: 54-22=32 Moving to Node #0,0 Current State: 14:[11, 22, 7], Operations: ['61-54=7'] Exploring Operation: 22-11=11, Resulting Numbers: [7, 11] Generated Node #0,0,0: 14:[7, 11] Operation: 22-11=11 Exploring Operation: 22/11=2, Resulting Numbers: [7, 2] Generated Node #0,0,1: 14:[7, 2] Operation: 22/11=2 Moving to Node #0,1 Current State: 14:[11, 61, 32], Operations: ['54-22=32'] Exploring Operation: 61-11=50, Resulting Numbers: [32, 50] Generated Node #0,1,0: 14:[32, 50] Operation: 61-11=50 Exploring Operation: 61-32=29, Resulting Numbers: [11, 29] Generated Node #0,1,1: 14:[11, 29] Operation: 61-32=29 Moving to Node #0,0,1 Current State: 14:[7, 2], Operations: ['61-54=7', '22/11=2'] Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[11, 22, 54, 61], Operations: [] Exploring Operation: 61-54=7, Resulting Numbers: [11, 22, 7] Generated Node #0,0: 14:[11, 22, 7] Operation: 61-54=7 Moving to Node #0,0 Current State: 14:[11, 22, 7], Operations: ['61-54=7'] Exploring Operation: 22/11=2, Resulting Numbers: [7, 2] Generated Node #0,0,1: 14:[7, 2] Operation: 22/11=2 Moving to Node #0,0,1 Current State: 14:[7, 2], Operations: ['61-54=7', '22/11=2'] Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
0.990451
hs_2
sum_heuristic
[ 4, 45, 4, 79 ]
18
[ "4*4=16", "79-45=34", "34-16=18" ]
Current State: 18:[4, 45, 4, 79], Operations: [] Exploring Operation: 4*4=16, Resulting Numbers: [45, 79, 16] Generated Node #2: [45, 79, 16] from Operation: 4*4=16 Current State: 18:[45, 79, 16], Operations: ['4*4=16'] Exploring Operation: 79-45=34, Resulting Numbers: [16, 34] Generated Node #3: [16, 34] from Operation: 79-45=34 Current State: 18:[16, 34], Operations: ['4*4=16', '79-45=34'] Exploring Operation: 34-16=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[4, 45, 4, 79], Operations: [] Exploring Operation: 79-45=34, Resulting Numbers: [4, 4, 34] Generated Node #0,0: 18:[4, 4, 34] Operation: 79-45=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[4, 4, 34], Operations: ['79-45=34'] Exploring Operation: 34-4=30, Resulting Numbers: [4, 30] Generated Node #0,0,0: 18:[4, 30] Operation: 34-4=30 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 18:[4, 30], Operations: ['79-45=34', '34-4=30'] Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 81, 22, 44, 66 ]
86
[ "44+66=110", "110/22=5", "81+5=86" ]
Current State: 86:[81, 22, 44, 66], Operations: [] Exploring Operation: 44+66=110, Resulting Numbers: [81, 22, 110] Generated Node #2: [81, 22, 110] from Operation: 44+66=110 Current State: 86:[81, 22, 110], Operations: ['44+66=110'] Exploring Operation: 110/22=5, Resulting Numbers: [81, 5] Generated Node #3: [81, 5] from Operation: 110/22=5 Current State: 86:[81, 5], Operations: ['44+66=110', '110/22=5'] Exploring Operation: 81+5=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[81, 22, 44, 66], Operations: [] Exploring Operation: 66-22=44, Resulting Numbers: [81, 44, 44] Generated Node #0,0: 86:[81, 44, 44] Operation: 66-22=44 Moving to Node #0,0 Current State: 86:[81, 44, 44], Operations: ['66-22=44'] Exploring Operation: 44/44=1, Resulting Numbers: [81, 1] Generated Node #0,0,0: 86:[81, 1] Operation: 44/44=1 Moving to Node #0,0,0 Current State: 86:[81, 1], Operations: ['66-22=44', '44/44=1'] Exploring Operation: 81+1=82, Resulting Numbers: [82] 82,86 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 10, 27, 15, 84 ]
62
[ "10+27=37", "15+84=99", "99-37=62" ]
Current State: 62:[10, 27, 15, 84], Operations: [] Exploring Operation: 10+27=37, Resulting Numbers: [15, 84, 37] Generated Node #2: [15, 84, 37] from Operation: 10+27=37 Current State: 62:[15, 84, 37], Operations: ['10+27=37'] Exploring Operation: 15+84=99, Resulting Numbers: [37, 99] Generated Node #3: [37, 99] from Operation: 15+84=99 Current State: 62:[37, 99], Operations: ['10+27=37', '15+84=99'] Exploring Operation: 99-37=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[10, 27, 15, 84], Operations: [] Exploring Operation: 15-10=5, Resulting Numbers: [27, 84, 5] Generated Node #0,0: 62:[27, 84, 5] Operation: 15-10=5 Exploring Operation: 84-15=69, Resulting Numbers: [10, 27, 69] Generated Node #0,1: 62:[10, 27, 69] Operation: 84-15=69 Exploring Operation: 84-27=57, Resulting Numbers: [10, 15, 57] Generated Node #0,2: 62:[10, 15, 57] Operation: 84-27=57 Moving to Node #0,1 Current State: 62:[10, 27, 69], Operations: ['84-15=69'] Exploring Operation: 69-27=42, Resulting Numbers: [10, 42] Generated Node #0,1,0: 62:[10, 42] Operation: 69-27=42 Exploring Operation: 69-10=59, Resulting Numbers: [27, 59] Generated Node #0,1,1: 62:[27, 59] Operation: 69-10=59 Exploring Operation: 10+27=37, Resulting Numbers: [69, 37] Generated Node #0,1,2: 62:[69, 37] Operation: 10+27=37 Moving to Node #0,2 Current State: 62:[10, 15, 57], Operations: ['84-27=57'] Exploring Operation: 15-10=5, Resulting Numbers: [57, 5] Generated Node #0,2,0: 62:[57, 5] Operation: 15-10=5 Exploring Operation: 10+57=67, Resulting Numbers: [15, 67] Generated Node #0,2,1: 62:[15, 67] Operation: 10+57=67 Exploring Operation: 10+15=25, Resulting Numbers: [57, 25] Generated Node #0,2,2: 62:[57, 25] Operation: 10+15=25 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 62:[57, 5], Operations: ['84-27=57', '15-10=5'] Exploring Operation: 57*5=285, Resulting Numbers: [285] 285,62 unequal: No Solution Exploring Operation: 57+5=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[10, 27, 15, 84], Operations: [] Exploring Operation: 84-27=57, Resulting Numbers: [10, 15, 57] Generated Node #0,2: 62:[10, 15, 57] Operation: 84-27=57 Moving to Node #0,2 Current State: 62:[10, 15, 57], Operations: ['84-27=57'] Exploring Operation: 15-10=5, Resulting Numbers: [57, 5] Generated Node #0,2,0: 62:[57, 5] Operation: 15-10=5 Moving to Node #0,2,0 Current State: 62:[57, 5], Operations: ['84-27=57', '15-10=5'] Exploring Operation: 57+5=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
sum_heuristic
[ 13, 31, 96, 98 ]
36
[ "31-13=18", "98-96=2", "18*2=36" ]
Current State: 36:[13, 31, 96, 98], Operations: [] Exploring Operation: 31-13=18, Resulting Numbers: [96, 98, 18] Generated Node #2: [96, 98, 18] from Operation: 31-13=18 Current State: 36:[96, 98, 18], Operations: ['31-13=18'] Exploring Operation: 98-96=2, Resulting Numbers: [18, 2] Generated Node #3: [18, 2] from Operation: 98-96=2 Current State: 36:[18, 2], Operations: ['31-13=18', '98-96=2'] Exploring Operation: 18*2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[13, 31, 96, 98], Operations: [] Exploring Operation: 98-96=2, Resulting Numbers: [13, 31, 2] Generated Node #0,0: 36:[13, 31, 2] Operation: 98-96=2 Moving to Node #0,0 Current State: 36:[13, 31, 2], Operations: ['98-96=2'] Exploring Operation: 31-13=18, Resulting Numbers: [2, 18] Generated Node #0,0,0: 36:[2, 18] Operation: 31-13=18 Moving to Node #0,0,0 Current State: 36:[2, 18], Operations: ['98-96=2', '31-13=18'] Exploring Operation: 2*18=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[13, 31, 96, 98], Operations: [] Exploring Operation: 98-96=2, Resulting Numbers: [13, 31, 2] Generated Node #0,0: 36:[13, 31, 2] Operation: 98-96=2 Moving to Node #0,0 Current State: 36:[13, 31, 2], Operations: ['98-96=2'] Exploring Operation: 31-13=18, Resulting Numbers: [2, 18] Generated Node #0,0,0: 36:[2, 18] Operation: 31-13=18 Moving to Node #0,0,0 Current State: 36:[2, 18], Operations: ['98-96=2', '31-13=18'] Exploring Operation: 2*18=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 21, 56, 37, 67 ]
39
[ "37+67=104", "21*104=2184", "2184/56=39" ]
Current State: 39:[21, 56, 37, 67], Operations: [] Exploring Operation: 37+67=104, Resulting Numbers: [21, 56, 104] Generated Node #2: [21, 56, 104] from Operation: 37+67=104 Current State: 39:[21, 56, 104], Operations: ['37+67=104'] Exploring Operation: 21*104=2184, Resulting Numbers: [56, 2184] Generated Node #3: [56, 2184] from Operation: 21*104=2184 Current State: 39:[56, 2184], Operations: ['37+67=104', '21*104=2184'] Exploring Operation: 2184/56=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[21, 56, 37, 67], Operations: [] Exploring Operation: 67-37=30, Resulting Numbers: [21, 56, 30] Generated Node #0,0: 39:[21, 56, 30] Operation: 67-37=30 Exploring Operation: 67-21=46, Resulting Numbers: [56, 37, 46] Generated Node #0,1: 39:[56, 37, 46] Operation: 67-21=46 Exploring Operation: 67-56=11, Resulting Numbers: [21, 37, 11] Generated Node #0,2: 39:[21, 37, 11] Operation: 67-56=11 Exploring Operation: 56-37=19, Resulting Numbers: [21, 67, 19] Generated Node #0,3: 39:[21, 67, 19] Operation: 56-37=19 Exploring Operation: 56-21=35, Resulting Numbers: [37, 67, 35] Generated Node #0,4: 39:[37, 67, 35] Operation: 56-21=35 Moving to Node #0,2 Current State: 39:[21, 37, 11], Operations: ['67-56=11'] Exploring Operation: 21+37=58, Resulting Numbers: [11, 58] Generated Node #0,2,0: 39:[11, 58] Operation: 21+37=58 Exploring Operation: 37-21=16, Resulting Numbers: [11, 16] Generated Node #0,2,1: 39:[11, 16] Operation: 37-21=16 Exploring Operation: 21-11=10, Resulting Numbers: [37, 10] Generated Node #0,2,2: 39:[37, 10] Operation: 21-11=10 Exploring Operation: 37+11=48, Resulting Numbers: [21, 48] Generated Node #0,2,3: 39:[21, 48] Operation: 37+11=48 Exploring Operation: 21+11=32, Resulting Numbers: [37, 32] Generated Node #0,2,4: 39:[37, 32] Operation: 21+11=32 Moving to Node #0,1 Current State: 39:[56, 37, 46], Operations: ['67-21=46'] Exploring Operation: 46-37=9, Resulting Numbers: [56, 9] Generated Node #0,1,0: 39:[56, 9] Operation: 46-37=9 Exploring Operation: 56-37=19, Resulting Numbers: [46, 19] Generated Node #0,1,1: 39:[46, 19] Operation: 56-37=19 Exploring Operation: 37+46=83, Resulting Numbers: [56, 83] Generated Node #0,1,2: 39:[56, 83] Operation: 37+46=83 Exploring Operation: 56-46=10, Resulting Numbers: [37, 10] Generated Node #0,1,3: 39:[37, 10] Operation: 56-46=10 Exploring Operation: 56+37=93, Resulting Numbers: [46, 93] Generated Node #0,1,4: 39:[46, 93] Operation: 56+37=93 Moving to Node #0,0 Current State: 39:[21, 56, 30], Operations: ['67-37=30'] Exploring Operation: 21+30=51, Resulting Numbers: [56, 51] Generated Node #0,0,0: 39:[56, 51] Operation: 21+30=51 Exploring Operation: 56-21=35, Resulting Numbers: [30, 35] Generated Node #0,0,1: 39:[30, 35] Operation: 56-21=35 Exploring Operation: 56-30=26, Resulting Numbers: [21, 26] Generated Node #0,0,2: 39:[21, 26] Operation: 56-30=26 Exploring Operation: 30-21=9, Resulting Numbers: [56, 9] Generated Node #0,0,3: 39:[56, 9] Operation: 30-21=9 Exploring Operation: 21+56=77, Resulting Numbers: [30, 77] Generated Node #0,0,4: 39:[30, 77] Operation: 21+56=77 Moving to Node #0,4 Current State: 39:[37, 67, 35], Operations: ['56-21=35'] Exploring Operation: 67-35=32, Resulting Numbers: [37, 32] Generated Node #0,4,0: 39:[37, 32] Operation: 67-35=32 Exploring Operation: 37+35=72, Resulting Numbers: [67, 72] Generated Node #0,4,1: 39:[67, 72] Operation: 37+35=72 Exploring Operation: 67+35=102, Resulting Numbers: [37, 102] Generated Node #0,4,2: 39:[37, 102] Operation: 67+35=102 Exploring Operation: 67-37=30, Resulting Numbers: [35, 30] Generated Node #0,4,3: 39:[35, 30] Operation: 67-37=30 Exploring Operation: 37-35=2, Resulting Numbers: [67, 2] Generated Node #0,4,4: 39:[67, 2] Operation: 37-35=2 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 39:[37, 32], Operations: ['56-21=35', '67-35=32'] Exploring Operation: 37*32=1184, Resulting Numbers: [1184] 1184,39 unequal: No Solution Exploring Operation: 37-32=5, Resulting Numbers: [5] 5,39 unequal: No Solution Exploring Operation: 37+32=69, Resulting Numbers: [69] 69,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 39:[35, 30], Operations: ['56-21=35', '67-37=30'] Exploring Operation: 35-30=5, Resulting Numbers: [5] 5,39 unequal: No Solution Exploring Operation: 35+30=65, Resulting Numbers: [65] 65,39 unequal: No Solution Exploring Operation: 35*30=1050, Resulting Numbers: [1050] 1050,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 39:[67, 2], Operations: ['56-21=35', '37-35=2'] Exploring Operation: 67+2=69, Resulting Numbers: [69] 69,39 unequal: No Solution Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,39 unequal: No Solution Exploring Operation: 67*2=134, Resulting Numbers: [134] 134,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 39:[67, 72], Operations: ['56-21=35', '37+35=72'] Exploring Operation: 72-67=5, Resulting Numbers: [5] 5,39 unequal: No Solution Exploring Operation: 67*72=4824, Resulting Numbers: [4824] 4824,39 unequal: No Solution Exploring Operation: 67+72=139, Resulting Numbers: [139] 139,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 39:[37, 102], Operations: ['56-21=35', '67+35=102'] Exploring Operation: 37+102=139, Resulting Numbers: [139] 139,39 unequal: No Solution Exploring Operation: 102-37=65, Resulting Numbers: [65] 65,39 unequal: No Solution Exploring Operation: 37*102=3774, Resulting Numbers: [3774] 3774,39 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: 39:[21, 67, 19], Operations: ['56-37=19'] Exploring Operation: 67-19=48, Resulting Numbers: [21, 48] Generated Node #0,3,0: 39:[21, 48] Operation: 67-19=48 Exploring Operation: 21-19=2, Resulting Numbers: [67, 2] Generated Node #0,3,1: 39:[67, 2] Operation: 21-19=2 Exploring Operation: 67-21=46, Resulting Numbers: [19, 46] Generated Node #0,3,2: 39:[19, 46] Operation: 67-21=46 Exploring Operation: 21+67=88, Resulting Numbers: [19, 88] Generated Node #0,3,3: 39:[19, 88] Operation: 21+67=88 Exploring Operation: 21+19=40, Resulting Numbers: [67, 40] Generated Node #0,3,4: 39:[67, 40] Operation: 21+19=40 Moving to Node #0,2,1 Current State: 39:[11, 16], Operations: ['67-56=11', '37-21=16'] Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,39 unequal: No Solution Exploring Operation: 11*16=176, Resulting Numbers: [176] 176,39 unequal: No Solution Exploring Operation: 11+16=27, Resulting Numbers: [27] 27,39 unequal: No Solution Moving to Node #0,1,3 Current State: 39:[37, 10], Operations: ['67-21=46', '56-46=10'] Exploring Operation: 37-10=27, Resulting Numbers: [27] 27,39 unequal: No Solution Exploring Operation: 37*10=370, Resulting Numbers: [370] 370,39 unequal: No Solution Exploring Operation: 37+10=47, Resulting Numbers: [47] 47,39 unequal: No Solution Moving to Node #0,2,2 Current State: 39:[37, 10], Operations: ['67-56=11', '21-11=10'] Exploring Operation: 37+10=47, Resulting Numbers: [47] 47,39 unequal: No Solution Exploring Operation: 37-10=27, Resulting Numbers: [27] 27,39 unequal: No Solution Exploring Operation: 37*10=370, Resulting Numbers: [370] 370,39 unequal: No Solution Moving to Node #0,2,4 Current State: 39:[37, 32], Operations: ['67-56=11', '21+11=32'] Exploring Operation: 37-32=5, Resulting Numbers: [5] 5,39 unequal: No Solution Exploring Operation: 37+32=69, Resulting Numbers: [69] 69,39 unequal: No Solution Exploring Operation: 37*32=1184, Resulting Numbers: [1184] 1184,39 unequal: No Solution Moving to Node #0,1,1 Current State: 39:[46, 19], Operations: ['67-21=46', '56-37=19'] Exploring Operation: 46*19=874, Resulting Numbers: [874] 874,39 unequal: No Solution Exploring Operation: 46+19=65, Resulting Numbers: [65] 65,39 unequal: No Solution Exploring Operation: 46-19=27, Resulting Numbers: [27] 27,39 unequal: No Solution Moving to Node #0,0,1 Current State: 39:[30, 35], Operations: ['67-37=30', '56-21=35'] Exploring Operation: 35-30=5, Resulting Numbers: [5] 5,39 unequal: No Solution Exploring Operation: 30+35=65, Resulting Numbers: [65] 65,39 unequal: No Solution Exploring Operation: 30*35=1050, Resulting Numbers: [1050] 1050,39 unequal: No Solution Moving to Node #0,3,2 Current State: 39:[19, 46], Operations: ['56-37=19', '67-21=46'] Exploring Operation: 19+46=65, Resulting Numbers: [65] 65,39 unequal: No Solution Exploring Operation: 19*46=874, Resulting Numbers: [874] 874,39 unequal: No Solution Exploring Operation: 46-19=27, Resulting Numbers: [27] 27,39 unequal: No Solution Moving to Node #0,3,0 Current State: 39:[21, 48], Operations: ['56-37=19', '67-19=48'] Exploring Operation: 21+48=69, Resulting Numbers: [69] 69,39 unequal: No Solution Exploring Operation: 21*48=1008, Resulting Numbers: [1008] 1008,39 unequal: No Solution Exploring Operation: 48-21=27, Resulting Numbers: [27] 27,39 unequal: No Solution Moving to Node #0,2,3 Current State: 39:[21, 48], Operations: ['67-56=11', '37+11=48'] Exploring Operation: 21*48=1008, Resulting Numbers: [1008] 1008,39 unequal: No Solution Exploring Operation: 48-21=27, Resulting Numbers: [27] 27,39 unequal: No Solution Exploring Operation: 21+48=69, Resulting Numbers: [69] 69,39 unequal: No Solution Moving to Node #0,0,3 Current State: 39:[56, 9], Operations: ['67-37=30', '30-21=9'] Exploring Operation: 56-9=47, Resulting Numbers: [47] 47,39 unequal: No Solution Exploring Operation: 56*9=504, Resulting Numbers: [504] 504,39 unequal: No Solution Exploring Operation: 56+9=65, Resulting Numbers: [65] 65,39 unequal: No Solution Moving to Node #0,0,2 Current State: 39:[21, 26], Operations: ['67-37=30', '56-30=26'] Exploring Operation: 21*26=546, Resulting Numbers: [546] 546,39 unequal: No Solution Exploring Operation: 21+26=47, Resulting Numbers: [47] 47,39 unequal: No Solution Exploring Operation: 26-21=5, Resulting Numbers: [5] 5,39 unequal: No Solution Moving to Node #0,2,0 Current State: 39:[11, 58], Operations: ['67-56=11', '21+37=58'] Exploring Operation: 58-11=47, Resulting Numbers: [47] 47,39 unequal: No Solution Exploring Operation: 11*58=638, Resulting Numbers: [638] 638,39 unequal: No Solution Exploring Operation: 11+58=69, Resulting Numbers: [69] 69,39 unequal: No Solution Moving to Node #0,1,0 Current State: 39:[56, 9], Operations: ['67-21=46', '46-37=9'] Exploring Operation: 56-9=47, Resulting Numbers: [47] 47,39 unequal: No Solution Exploring Operation: 56*9=504, Resulting Numbers: [504] 504,39 unequal: No Solution Exploring Operation: 56+9=65, Resulting Numbers: [65] 65,39 unequal: No Solution Moving to Node #0,0,0 Current State: 39:[56, 51], Operations: ['67-37=30', '21+30=51'] Exploring Operation: 56*51=2856, Resulting Numbers: [2856] 2856,39 unequal: No Solution Exploring Operation: 56+51=107, Resulting Numbers: [107] 107,39 unequal: No Solution Exploring Operation: 56-51=5, Resulting Numbers: [5] 5,39 unequal: No Solution Moving to Node #0,3,4 Current State: 39:[67, 40], Operations: ['56-37=19', '21+19=40'] Exploring Operation: 67+40=107, Resulting Numbers: [107] 107,39 unequal: No Solution Exploring Operation: 67*40=2680, Resulting Numbers: [2680] 2680,39 unequal: No Solution Exploring Operation: 67-40=27, Resulting Numbers: [27] 27,39 unequal: No Solution Moving to Node #0,3,1 Current State: 39:[67, 2], Operations: ['56-37=19', '21-19=2'] Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,39 unequal: No Solution Exploring Operation: 67*2=134, Resulting Numbers: [134] 134,39 unequal: No Solution Exploring Operation: 67+2=69, Resulting Numbers: [69] 69,39 unequal: No Solution Moving to Node #0,0,4 Current State: 39:[30, 77], Operations: ['67-37=30', '21+56=77'] Exploring Operation: 77-30=47, Resulting Numbers: [47] 47,39 unequal: No Solution Exploring Operation: 30*77=2310, Resulting Numbers: [2310] 2310,39 unequal: No Solution Exploring Operation: 30+77=107, Resulting Numbers: [107] 107,39 unequal: No Solution Moving to Node #0,3,3 Current State: 39:[19, 88], Operations: ['56-37=19', '21+67=88'] Exploring Operation: 19*88=1672, Resulting Numbers: [1672] 1672,39 unequal: No Solution Exploring Operation: 19+88=107, Resulting Numbers: [107] 107,39 unequal: No Solution Exploring Operation: 88-19=69, Resulting Numbers: [69] 69,39 unequal: No Solution Moving to Node #0,1,4 Current State: 39:[46, 93], Operations: ['67-21=46', '56+37=93'] Exploring Operation: 46+93=139, Resulting Numbers: [139] 139,39 unequal: No Solution Exploring Operation: 93-46=47, Resulting Numbers: [47] 47,39 unequal: No Solution Exploring Operation: 46*93=4278, Resulting Numbers: [4278] 4278,39 unequal: No Solution Moving to Node #0,1,2 Current State: 39:[56, 83], Operations: ['67-21=46', '37+46=83'] Exploring Operation: 83-56=27, Resulting Numbers: [27] 27,39 unequal: No Solution Exploring Operation: 56*83=4648, Resulting Numbers: [4648] 4648,39 unequal: No Solution Exploring Operation: 56+83=139, Resulting Numbers: [139] 139,39 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 20, 42, 12, 18 ]
43
[ "42*18=756", "756/12=63", "63-20=43" ]
Current State: 43:[20, 42, 12, 18], Operations: [] Exploring Operation: 42*18=756, Resulting Numbers: [20, 12, 756] Generated Node #2: [20, 12, 756] from Operation: 42*18=756 Current State: 43:[20, 12, 756], Operations: ['42*18=756'] Exploring Operation: 756/12=63, Resulting Numbers: [20, 63] Generated Node #3: [20, 63] from Operation: 756/12=63 Current State: 43:[20, 63], Operations: ['42*18=756', '756/12=63'] Exploring Operation: 63-20=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[20, 42, 12, 18], Operations: [] Exploring Operation: 20+12=32, Resulting Numbers: [42, 18, 32] Generated Node #0,0: 43:[42, 18, 32] Operation: 20+12=32 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[42, 18, 32], Operations: ['20+12=32'] Exploring Operation: 18+32=50, Resulting Numbers: [42, 50] Generated Node #0,0,0: 43:[42, 50] Operation: 18+32=50 Moving to Node #0,0,0 Current State: 43:[42, 50], Operations: ['20+12=32', '18+32=50'] Exploring Operation: 50-42=8, Resulting Numbers: [8] 8,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 2, 42, 84, 22 ]
48
[ "2+22=24", "84/42=2", "24*2=48" ]
Current State: 48:[2, 42, 84, 22], Operations: [] Exploring Operation: 2+22=24, Resulting Numbers: [42, 84, 24] Generated Node #2: [42, 84, 24] from Operation: 2+22=24 Current State: 48:[42, 84, 24], Operations: ['2+22=24'] Exploring Operation: 84/42=2, Resulting Numbers: [24, 2] Generated Node #3: [24, 2] from Operation: 84/42=2 Current State: 48:[24, 2], Operations: ['2+22=24', '84/42=2'] Exploring Operation: 24*2=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[2, 42, 84, 22], Operations: [] Exploring Operation: 84/42=2, Resulting Numbers: [2, 22, 2] Generated Node #0,0: 48:[2, 22, 2] Operation: 84/42=2 Exploring Operation: 84-42=42, Resulting Numbers: [2, 22, 42] Generated Node #0,1: 48:[2, 22, 42] Operation: 84-42=42 Exploring Operation: 84/2=42, Resulting Numbers: [42, 22, 42] Generated Node #0,2: 48:[42, 22, 42] Operation: 84/2=42 Exploring Operation: 84-22=62, Resulting Numbers: [2, 42, 62] Generated Node #0,3: 48:[2, 42, 62] Operation: 84-22=62 Start Sub Search at level 1: Moving to Node #0,0 Current State: 48:[2, 22, 2], Operations: ['84/42=2'] Exploring Operation: 2+22=24, Resulting Numbers: [2, 24] Generated Node #0,0,0: 48:[2, 24] Operation: 2+22=24 Exploring Operation: 22/2=11, Resulting Numbers: [2, 11] Generated Node #0,0,1: 48:[2, 11] Operation: 22/2=11 Exploring Operation: 22+2=24, Resulting Numbers: [2, 24] Generated Node #0,0,2: 48:[2, 24] Operation: 22+2=24 Exploring Operation: 22/2=11, Resulting Numbers: [2, 11] Generated Node #0,0,3: 48:[2, 11] Operation: 22/2=11 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 48:[2, 24], Operations: ['84/42=2', '2+22=24'] Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,48 unequal: No Solution Exploring Operation: 2+24=26, Resulting Numbers: [26] 26,48 unequal: No Solution Exploring Operation: 2*24=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[2, 42, 84, 22], Operations: [] Exploring Operation: 84/42=2, Resulting Numbers: [2, 22, 2] Generated Node #0,0: 48:[2, 22, 2] Operation: 84/42=2 Moving to Node #0,0 Current State: 48:[2, 22, 2], Operations: ['84/42=2'] Exploring Operation: 2+22=24, Resulting Numbers: [2, 24] Generated Node #0,0,0: 48:[2, 24] Operation: 2+22=24 Moving to Node #0,0,0 Current State: 48:[2, 24], Operations: ['84/42=2', '2+22=24'] Exploring Operation: 2*24=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 24, 6, 19, 17 ]
55
[ "24-19=5", "17-6=11", "5*11=55" ]
Current State: 55:[24, 6, 19, 17], Operations: [] Exploring Operation: 24-19=5, Resulting Numbers: [6, 17, 5] Generated Node #2: [6, 17, 5] from Operation: 24-19=5 Current State: 55:[6, 17, 5], Operations: ['24-19=5'] Exploring Operation: 17-6=11, Resulting Numbers: [5, 11] Generated Node #3: [5, 11] from Operation: 17-6=11 Current State: 55:[5, 11], Operations: ['24-19=5', '17-6=11'] Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[24, 6, 19, 17], Operations: [] Exploring Operation: 24-19=5, Resulting Numbers: [6, 17, 5] Generated Node #0,0: 55:[6, 17, 5] Operation: 24-19=5 Exploring Operation: 24-17=7, Resulting Numbers: [6, 19, 7] Generated Node #0,1: 55:[6, 19, 7] Operation: 24-17=7 Exploring Operation: 19-17=2, Resulting Numbers: [24, 6, 2] Generated Node #0,2: 55:[24, 6, 2] Operation: 19-17=2 Exploring Operation: 24/6=4, Resulting Numbers: [19, 17, 4] Generated Node #0,3: 55:[19, 17, 4] Operation: 24/6=4 Moving to Node #0,0 Current State: 55:[6, 17, 5], Operations: ['24-19=5'] Exploring Operation: 17-5=12, Resulting Numbers: [6, 12] Generated Node #0,0,0: 55:[6, 12] Operation: 17-5=12 Exploring Operation: 6+5=11, Resulting Numbers: [17, 11] Generated Node #0,0,1: 55:[17, 11] Operation: 6+5=11 Exploring Operation: 17-6=11, Resulting Numbers: [5, 11] Generated Node #0,0,2: 55:[5, 11] Operation: 17-6=11 Exploring Operation: 6-5=1, Resulting Numbers: [17, 1] Generated Node #0,0,3: 55:[17, 1] Operation: 6-5=1 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 55:[5, 11], Operations: ['24-19=5', '17-6=11'] Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,55 unequal: No Solution Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[24, 6, 19, 17], Operations: [] Exploring Operation: 24-19=5, Resulting Numbers: [6, 17, 5] Generated Node #0,0: 55:[6, 17, 5] Operation: 24-19=5 Moving to Node #0,0 Current State: 55:[6, 17, 5], Operations: ['24-19=5'] Exploring Operation: 17-6=11, Resulting Numbers: [5, 11] Generated Node #0,0,2: 55:[5, 11] Operation: 17-6=11 Moving to Node #0,0,2 Current State: 55:[5, 11], Operations: ['24-19=5', '17-6=11'] Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 51, 13, 3, 41 ]
11
[ "51/3=17", "41-13=28", "28-17=11" ]
Current State: 11:[51, 13, 3, 41], Operations: [] Exploring Operation: 51/3=17, Resulting Numbers: [13, 41, 17] Generated Node #2: [13, 41, 17] from Operation: 51/3=17 Current State: 11:[13, 41, 17], Operations: ['51/3=17'] Exploring Operation: 41-13=28, Resulting Numbers: [17, 28] Generated Node #3: [17, 28] from Operation: 41-13=28 Current State: 11:[17, 28], Operations: ['51/3=17', '41-13=28'] Exploring Operation: 28-17=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[51, 13, 3, 41], Operations: [] Exploring Operation: 51-41=10, Resulting Numbers: [13, 3, 10] Generated Node #0,0: 11:[13, 3, 10] Operation: 51-41=10 Exploring Operation: 51/3=17, Resulting Numbers: [13, 41, 17] Generated Node #0,1: 11:[13, 41, 17] Operation: 51/3=17 Exploring Operation: 51-13=38, Resulting Numbers: [3, 41, 38] Generated Node #0,2: 11:[3, 41, 38] Operation: 51-13=38 Moving to Node #0,0 Current State: 11:[13, 3, 10], Operations: ['51-41=10'] Exploring Operation: 3+10=13, Resulting Numbers: [13, 13] Generated Node #0,0,0: 11:[13, 13] Operation: 3+10=13 Exploring Operation: 13-3=10, Resulting Numbers: [10, 10] Generated Node #0,0,1: 11:[10, 10] Operation: 13-3=10 Exploring Operation: 13+3=16, Resulting Numbers: [10, 16] Generated Node #0,0,2: 11:[10, 16] Operation: 13+3=16 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 11:[10, 10], Operations: ['51-41=10', '13-3=10'] Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,11 unequal: No Solution Exploring Operation: 10-10=0, Resulting Numbers: [0] 0,11 unequal: No Solution Exploring Operation: 10+10=20, Resulting Numbers: [20] 20,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 11:[13, 13], Operations: ['51-41=10', '3+10=13'] Exploring Operation: 13/13=1, Resulting Numbers: [1] 1,11 unequal: No Solution Exploring Operation: 13-13=0, Resulting Numbers: [0] 0,11 unequal: No Solution Exploring Operation: 13+13=26, Resulting Numbers: [26] 26,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 11:[10, 16], Operations: ['51-41=10', '13+3=16'] Exploring Operation: 10+16=26, Resulting Numbers: [26] 26,11 unequal: No Solution Exploring Operation: 10*16=160, Resulting Numbers: [160] 160,11 unequal: No Solution Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,11 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: 11:[13, 41, 17], Operations: ['51/3=17'] Exploring Operation: 17-13=4, Resulting Numbers: [41, 4] Generated Node #0,1,0: 11:[41, 4] Operation: 17-13=4 Exploring Operation: 41-17=24, Resulting Numbers: [13, 24] Generated Node #0,1,1: 11:[13, 24] Operation: 41-17=24 Exploring Operation: 41-13=28, Resulting Numbers: [17, 28] Generated Node #0,1,2: 11:[17, 28] Operation: 41-13=28 Moving to Node #0,2 Current State: 11:[3, 41, 38], Operations: ['51-13=38'] Exploring Operation: 41-3=38, Resulting Numbers: [38, 38] Generated Node #0,2,0: 11:[38, 38] Operation: 41-3=38 Exploring Operation: 41-38=3, Resulting Numbers: [3, 3] Generated Node #0,2,1: 11:[3, 3] Operation: 41-38=3 Exploring Operation: 38-3=35, Resulting Numbers: [41, 35] Generated Node #0,2,2: 11:[41, 35] Operation: 38-3=35 Moving to Node #0,1,1 Current State: 11:[13, 24], Operations: ['51/3=17', '41-17=24'] Exploring Operation: 13*24=312, Resulting Numbers: [312] 312,11 unequal: No Solution Exploring Operation: 24-13=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[51, 13, 3, 41], Operations: [] Exploring Operation: 51/3=17, Resulting Numbers: [13, 41, 17] Generated Node #0,1: 11:[13, 41, 17] Operation: 51/3=17 Moving to Node #0,1 Current State: 11:[13, 41, 17], Operations: ['51/3=17'] Exploring Operation: 41-17=24, Resulting Numbers: [13, 24] Generated Node #0,1,1: 11:[13, 24] Operation: 41-17=24 Moving to Node #0,1,1 Current State: 11:[13, 24], Operations: ['51/3=17', '41-17=24'] Exploring Operation: 24-13=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
0.976563
hs_3
mult_heuristic
[ 66, 5, 47, 12 ]
79
[ "66-47=19", "5*12=60", "19+60=79" ]
Current State: 79:[66, 5, 47, 12], Operations: [] Exploring Operation: 66-47=19, Resulting Numbers: [5, 12, 19] Generated Node #2: [5, 12, 19] from Operation: 66-47=19 Current State: 79:[5, 12, 19], Operations: ['66-47=19'] Exploring Operation: 5*12=60, Resulting Numbers: [19, 60] Generated Node #3: [19, 60] from Operation: 5*12=60 Current State: 79:[19, 60], Operations: ['66-47=19', '5*12=60'] Exploring Operation: 19+60=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[66, 5, 47, 12], Operations: [] Exploring Operation: 5*12=60, Resulting Numbers: [66, 47, 60] Generated Node #0,0: 79:[66, 47, 60] Operation: 5*12=60 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[66, 47, 60], Operations: ['5*12=60'] Exploring Operation: 47+60=107, Resulting Numbers: [66, 107] Generated Node #0,0,0: 79:[66, 107] Operation: 47+60=107 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 79:[66, 107], Operations: ['5*12=60', '47+60=107'] Exploring Operation: 107-66=41, Resulting Numbers: [41] 41,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 16, 26, 98, 18 ]
21
[ "98-18=80", "80/16=5", "26-5=21" ]
Current State: 21:[16, 26, 98, 18], Operations: [] Exploring Operation: 98-18=80, Resulting Numbers: [16, 26, 80] Generated Node #2: [16, 26, 80] from Operation: 98-18=80 Current State: 21:[16, 26, 80], Operations: ['98-18=80'] Exploring Operation: 80/16=5, Resulting Numbers: [26, 5] Generated Node #3: [26, 5] from Operation: 80/16=5 Current State: 21:[26, 5], Operations: ['98-18=80', '80/16=5'] Exploring Operation: 26-5=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[16, 26, 98, 18], Operations: [] Exploring Operation: 98-26=72, Resulting Numbers: [16, 18, 72] Generated Node #0,0: 21:[16, 18, 72] Operation: 98-26=72 Moving to Node #0,0 Current State: 21:[16, 18, 72], Operations: ['98-26=72'] Exploring Operation: 72/18=4, Resulting Numbers: [16, 4] Generated Node #0,0,0: 21:[16, 4] Operation: 72/18=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 21:[16, 4], Operations: ['98-26=72', '72/18=4'] Exploring Operation: 16+4=20, Resulting Numbers: [20] 20,21 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