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
[ 90, 49, 74, 19 ]
96
[ "90-49=41", "74-19=55", "41+55=96" ]
Current State: 96:[90, 49, 74, 19], Operations: [] Exploring Operation: 90-49=41, Resulting Numbers: [74, 19, 41] Generated Node #2: [74, 19, 41] from Operation: 90-49=41 Current State: 96:[74, 19, 41], Operations: ['90-49=41'] Exploring Operation: 74-19=55, Resulting Numbers: [41, 55] Generated Node #3: [41, 55] from Operation: 74-19=55 Current State: 96:[41, 55], Operations: ['90-49=41', '74-19=55'] Exploring Operation: 41+55=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[90, 49, 74, 19], Operations: [] Exploring Operation: 74-49=25, Resulting Numbers: [90, 19, 25] Generated Node #0,0: 96:[90, 19, 25] Operation: 74-49=25 Exploring Operation: 90-74=16, Resulting Numbers: [49, 19, 16] Generated Node #0,1: 96:[49, 19, 16] Operation: 90-74=16 Start Sub Search at level 1: Moving to Node #0,1 Current State: 96:[49, 19, 16], Operations: ['90-74=16'] Exploring Operation: 49-19=30, Resulting Numbers: [16, 30] Generated Node #0,1,0: 96:[16, 30] Operation: 49-19=30 Exploring Operation: 19-16=3, Resulting Numbers: [49, 3] Generated Node #0,1,1: 96:[49, 3] Operation: 19-16=3 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 96:[49, 3], Operations: ['90-74=16', '19-16=3'] Exploring Operation: 49+3=52, Resulting Numbers: [52] 52,96 unequal: No Solution Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,96 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 #0,1,0 Current State: 96:[16, 30], Operations: ['90-74=16', '49-19=30'] Exploring Operation: 30-16=14, Resulting Numbers: [14] 14,96 unequal: No Solution Exploring Operation: 16+30=46, Resulting Numbers: [46] 46,96 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:[90, 19, 25], Operations: ['74-49=25'] Exploring Operation: 19+25=44, Resulting Numbers: [90, 44] Generated Node #0,0,0: 96:[90, 44] Operation: 19+25=44 Exploring Operation: 25-19=6, Resulting Numbers: [90, 6] Generated Node #0,0,1: 96:[90, 6] Operation: 25-19=6 Moving to Node #0,0,1 Current State: 96:[90, 6], Operations: ['74-49=25', '25-19=6'] Exploring Operation: 90/6=15, Resulting Numbers: [15] 15,96 unequal: No Solution Exploring Operation: 90+6=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[90, 49, 74, 19], Operations: [] Exploring Operation: 74-49=25, Resulting Numbers: [90, 19, 25] Generated Node #0,0: 96:[90, 19, 25] Operation: 74-49=25 Moving to Node #0,0 Current State: 96:[90, 19, 25], Operations: ['74-49=25'] Exploring Operation: 25-19=6, Resulting Numbers: [90, 6] Generated Node #0,0,1: 96:[90, 6] Operation: 25-19=6 Moving to Node #0,0,1 Current State: 96:[90, 6], Operations: ['74-49=25', '25-19=6'] Exploring Operation: 90+6=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
mult_heuristic
[ 77, 36, 78, 81 ]
65
[ "81-78=3", "36/3=12", "77-12=65" ]
Current State: 65:[77, 36, 78, 81], Operations: [] Exploring Operation: 81-78=3, Resulting Numbers: [77, 36, 3] Generated Node #2: [77, 36, 3] from Operation: 81-78=3 Current State: 65:[77, 36, 3], Operations: ['81-78=3'] Exploring Operation: 36/3=12, Resulting Numbers: [77, 12] Generated Node #3: [77, 12] from Operation: 36/3=12 Current State: 65:[77, 12], Operations: ['81-78=3', '36/3=12'] Exploring Operation: 77-12=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[77, 36, 78, 81], Operations: [] Exploring Operation: 81-77=4, Resulting Numbers: [36, 78, 4] Generated Node #0,0: 65:[36, 78, 4] Operation: 81-77=4 Exploring Operation: 81-78=3, Resulting Numbers: [77, 36, 3] Generated Node #0,1: 65:[77, 36, 3] Operation: 81-78=3 Moving to Node #0,0 Current State: 65:[36, 78, 4], Operations: ['81-77=4'] Exploring Operation: 78-36=42, Resulting Numbers: [4, 42] Generated Node #0,0,0: 65:[4, 42] Operation: 78-36=42 Exploring Operation: 36/4=9, Resulting Numbers: [78, 9] Generated Node #0,0,1: 65:[78, 9] Operation: 36/4=9 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 65:[78, 9], Operations: ['81-77=4', '36/4=9'] Exploring Operation: 78-9=69, Resulting Numbers: [69] 69,65 unequal: No Solution Exploring Operation: 78+9=87, Resulting Numbers: [87] 87,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 65:[4, 42], Operations: ['81-77=4', '78-36=42'] Exploring Operation: 42-4=38, Resulting Numbers: [38] 38,65 unequal: No Solution Exploring Operation: 4+42=46, Resulting Numbers: [46] 46,65 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: 65:[77, 36, 3], Operations: ['81-78=3'] Exploring Operation: 77-36=41, Resulting Numbers: [3, 41] Generated Node #0,1,0: 65:[3, 41] Operation: 77-36=41 Exploring Operation: 36/3=12, Resulting Numbers: [77, 12] Generated Node #0,1,1: 65:[77, 12] Operation: 36/3=12 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 65:[77, 12], Operations: ['81-78=3', '36/3=12'] Exploring Operation: 77-12=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[77, 36, 78, 81], Operations: [] Exploring Operation: 81-78=3, Resulting Numbers: [77, 36, 3] Generated Node #0,1: 65:[77, 36, 3] Operation: 81-78=3 Moving to Node #0,1 Current State: 65:[77, 36, 3], Operations: ['81-78=3'] Exploring Operation: 36/3=12, Resulting Numbers: [77, 12] Generated Node #0,1,1: 65:[77, 12] Operation: 36/3=12 Moving to Node #0,1,1 Current State: 65:[77, 12], Operations: ['81-78=3', '36/3=12'] Exploring Operation: 77-12=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 3, 13, 18, 81 ]
53
[ "13-3=10", "81-18=63", "63-10=53" ]
Current State: 53:[3, 13, 18, 81], Operations: [] Exploring Operation: 13-3=10, Resulting Numbers: [18, 81, 10] Generated Node #2: [18, 81, 10] from Operation: 13-3=10 Current State: 53:[18, 81, 10], Operations: ['13-3=10'] Exploring Operation: 81-18=63, Resulting Numbers: [10, 63] Generated Node #3: [10, 63] from Operation: 81-18=63 Current State: 53:[10, 63], Operations: ['13-3=10', '81-18=63'] Exploring Operation: 63-10=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[3, 13, 18, 81], Operations: [] Exploring Operation: 3*18=54, Resulting Numbers: [13, 81, 54] Generated Node #0,0: 53:[13, 81, 54] Operation: 3*18=54 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[13, 81, 54], Operations: ['3*18=54'] Exploring Operation: 81-13=68, Resulting Numbers: [54, 68] Generated Node #0,0,0: 53:[54, 68] Operation: 81-13=68 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 53:[54, 68], Operations: ['3*18=54', '81-13=68'] Exploring Operation: 68-54=14, Resulting Numbers: [14] 14,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 34, 43, 22, 4 ]
71
[ "34*4=136", "43+22=65", "136-65=71" ]
Current State: 71:[34, 43, 22, 4], Operations: [] Exploring Operation: 34*4=136, Resulting Numbers: [43, 22, 136] Generated Node #2: [43, 22, 136] from Operation: 34*4=136 Current State: 71:[43, 22, 136], Operations: ['34*4=136'] Exploring Operation: 43+22=65, Resulting Numbers: [136, 65] Generated Node #3: [136, 65] from Operation: 43+22=65 Current State: 71:[136, 65], Operations: ['34*4=136', '43+22=65'] Exploring Operation: 136-65=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[34, 43, 22, 4], Operations: [] Exploring Operation: 22*4=88, Resulting Numbers: [34, 43, 88] Generated Node #0,0: 71:[34, 43, 88] Operation: 22*4=88 Exploring Operation: 34+22=56, Resulting Numbers: [43, 4, 56] Generated Node #0,1: 71:[43, 4, 56] Operation: 34+22=56 Moving to Node #0,0 Current State: 71:[34, 43, 88], Operations: ['22*4=88'] Exploring Operation: 34+43=77, Resulting Numbers: [88, 77] Generated Node #0,0,0: 71:[88, 77] Operation: 34+43=77 Exploring Operation: 88-34=54, Resulting Numbers: [43, 54] Generated Node #0,0,1: 71:[43, 54] Operation: 88-34=54 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 71:[88, 77], Operations: ['22*4=88', '34+43=77'] Exploring Operation: 88+77=165, Resulting Numbers: [165] 165,71 unequal: No Solution Exploring Operation: 88-77=11, Resulting Numbers: [11] 11,71 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 #0,0,1 Current State: 71:[43, 54], Operations: ['22*4=88', '88-34=54'] Exploring Operation: 43+54=97, Resulting Numbers: [97] 97,71 unequal: No Solution Exploring Operation: 54-43=11, Resulting Numbers: [11] 11,71 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: 71:[43, 4, 56], Operations: ['34+22=56'] Exploring Operation: 43+4=47, Resulting Numbers: [56, 47] Generated Node #0,1,0: 71:[56, 47] Operation: 43+4=47 Exploring Operation: 4+56=60, Resulting Numbers: [43, 60] Generated Node #0,1,1: 71:[43, 60] Operation: 4+56=60 Moving to Node #0,1,0 Current State: 71:[56, 47], Operations: ['34+22=56', '43+4=47'] Exploring Operation: 56-47=9, Resulting Numbers: [9] 9,71 unequal: No Solution Exploring Operation: 56+47=103, Resulting Numbers: [103] 103,71 unequal: No Solution Moving to Node #0,1,1 Current State: 71:[43, 60], Operations: ['34+22=56', '4+56=60'] Exploring Operation: 60-43=17, Resulting Numbers: [17] 17,71 unequal: No Solution Exploring Operation: 43+60=103, Resulting Numbers: [103] 103,71 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 22, 20, 21, 45 ]
60
[ "21+45=66", "66/22=3", "20*3=60" ]
Current State: 60:[22, 20, 21, 45], Operations: [] Exploring Operation: 21+45=66, Resulting Numbers: [22, 20, 66] Generated Node #2: [22, 20, 66] from Operation: 21+45=66 Current State: 60:[22, 20, 66], Operations: ['21+45=66'] Exploring Operation: 66/22=3, Resulting Numbers: [20, 3] Generated Node #3: [20, 3] from Operation: 66/22=3 Current State: 60:[20, 3], Operations: ['21+45=66', '66/22=3'] Exploring Operation: 20*3=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[22, 20, 21, 45], Operations: [] Exploring Operation: 22+45=67, Resulting Numbers: [20, 21, 67] Generated Node #0,0: 60:[20, 21, 67] Operation: 22+45=67 Exploring Operation: 45-22=23, Resulting Numbers: [20, 21, 23] Generated Node #0,1: 60:[20, 21, 23] Operation: 45-22=23 Exploring Operation: 45-21=24, Resulting Numbers: [22, 20, 24] Generated Node #0,2: 60:[22, 20, 24] Operation: 45-21=24 Exploring Operation: 20+45=65, Resulting Numbers: [22, 21, 65] Generated Node #0,3: 60:[22, 21, 65] Operation: 20+45=65 Start Sub Search at level 1: Moving to Node #0,1 Current State: 60:[20, 21, 23], Operations: ['45-22=23'] Exploring Operation: 20+21=41, Resulting Numbers: [23, 41] Generated Node #0,1,0: 60:[23, 41] Operation: 20+21=41 Exploring Operation: 23-20=3, Resulting Numbers: [21, 3] Generated Node #0,1,1: 60:[21, 3] Operation: 23-20=3 Exploring Operation: 21-20=1, Resulting Numbers: [23, 1] Generated Node #0,1,2: 60:[23, 1] Operation: 21-20=1 Exploring Operation: 23-21=2, Resulting Numbers: [20, 2] Generated Node #0,1,3: 60:[20, 2] Operation: 23-21=2 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 60:[20, 2], Operations: ['45-22=23', '23-21=2'] Exploring Operation: 20+2=22, Resulting Numbers: [22] 22,60 unequal: No Solution Exploring Operation: 20*2=40, Resulting Numbers: [40] 40,60 unequal: No Solution Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,60 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,60 unequal: No Solution No 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: 60:[21, 3], Operations: ['45-22=23', '23-20=3'] Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,60 unequal: No Solution Exploring Operation: 21*3=63, Resulting Numbers: [63] 63,60 unequal: No Solution Exploring Operation: 21+3=24, Resulting Numbers: [24] 24,60 unequal: No Solution Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,60 unequal: No Solution No 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: 60:[23, 1], Operations: ['45-22=23', '21-20=1'] Exploring Operation: 23*1=23, Resulting Numbers: [23] 23,60 unequal: No Solution Exploring Operation: 23/1=23, Resulting Numbers: [23] 23,60 unequal: No Solution Exploring Operation: 23+1=24, Resulting Numbers: [24] 24,60 unequal: No Solution Exploring Operation: 23-1=22, Resulting Numbers: [22] 22,60 unequal: No Solution No 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: 60:[23, 41], Operations: ['45-22=23', '20+21=41'] Exploring Operation: 41-23=18, Resulting Numbers: [18] 18,60 unequal: No Solution Exploring Operation: 23+41=64, Resulting Numbers: [64] 64,60 unequal: No Solution Exploring Operation: 23*41=943, Resulting Numbers: [943] 943,60 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: 60:[22, 20, 24], Operations: ['45-21=24'] Exploring Operation: 22+24=46, Resulting Numbers: [20, 46] Generated Node #0,2,0: 60:[20, 46] Operation: 22+24=46 Exploring Operation: 24-20=4, Resulting Numbers: [22, 4] Generated Node #0,2,1: 60:[22, 4] Operation: 24-20=4 Exploring Operation: 22-20=2, Resulting Numbers: [24, 2] Generated Node #0,2,2: 60:[24, 2] Operation: 22-20=2 Exploring Operation: 24-22=2, Resulting Numbers: [20, 2] Generated Node #0,2,3: 60:[20, 2] Operation: 24-22=2 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 60:[20, 2], Operations: ['45-21=24', '24-22=2'] Exploring Operation: 20*2=40, Resulting Numbers: [40] 40,60 unequal: No Solution Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,60 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,60 unequal: No Solution Exploring Operation: 20+2=22, Resulting Numbers: [22] 22,60 unequal: No Solution No 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: 60:[22, 4], Operations: ['45-21=24', '24-20=4'] Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,60 unequal: No Solution Exploring Operation: 22+4=26, Resulting Numbers: [26] 26,60 unequal: No Solution Exploring Operation: 22*4=88, Resulting Numbers: [88] 88,60 unequal: No Solution No 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: 60:[24, 2], Operations: ['45-21=24', '22-20=2'] Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,60 unequal: No Solution Exploring Operation: 24+2=26, Resulting Numbers: [26] 26,60 unequal: No Solution Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,60 unequal: No Solution Exploring Operation: 24*2=48, Resulting Numbers: [48] 48,60 unequal: No Solution No 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: 60:[20, 46], Operations: ['45-21=24', '22+24=46'] Exploring Operation: 46-20=26, Resulting Numbers: [26] 26,60 unequal: No Solution Exploring Operation: 20+46=66, Resulting Numbers: [66] 66,60 unequal: No Solution Exploring Operation: 20*46=920, Resulting Numbers: [920] 920,60 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: 60:[20, 21, 67], Operations: ['22+45=67'] Exploring Operation: 67-20=47, Resulting Numbers: [21, 47] Generated Node #0,0,0: 60:[21, 47] Operation: 67-20=47 Exploring Operation: 67-21=46, Resulting Numbers: [20, 46] Generated Node #0,0,1: 60:[20, 46] Operation: 67-21=46 Exploring Operation: 21-20=1, Resulting Numbers: [67, 1] Generated Node #0,0,2: 60:[67, 1] Operation: 21-20=1 Exploring Operation: 20+21=41, Resulting Numbers: [67, 41] Generated Node #0,0,3: 60:[67, 41] Operation: 20+21=41 Moving to Node #0,0,2 Current State: 60:[67, 1], Operations: ['22+45=67', '21-20=1'] Exploring Operation: 67-1=66, Resulting Numbers: [66] 66,60 unequal: No Solution Exploring Operation: 67/1=67, Resulting Numbers: [67] 67,60 unequal: No Solution Exploring Operation: 67*1=67, Resulting Numbers: [67] 67,60 unequal: No Solution Exploring Operation: 67+1=68, Resulting Numbers: [68] 68,60 unequal: No Solution Moving to Node #0,0,1 Current State: 60:[20, 46], Operations: ['22+45=67', '67-21=46'] Exploring Operation: 20*46=920, Resulting Numbers: [920] 920,60 unequal: No Solution Exploring Operation: 20+46=66, Resulting Numbers: [66] 66,60 unequal: No Solution Exploring Operation: 46-20=26, Resulting Numbers: [26] 26,60 unequal: No Solution Moving to Node #0,0,0 Current State: 60:[21, 47], Operations: ['22+45=67', '67-20=47'] Exploring Operation: 47-21=26, Resulting Numbers: [26] 26,60 unequal: No Solution Exploring Operation: 21+47=68, Resulting Numbers: [68] 68,60 unequal: No Solution Exploring Operation: 21*47=987, Resulting Numbers: [987] 987,60 unequal: No Solution Moving to Node #0,0,3 Current State: 60:[67, 41], Operations: ['22+45=67', '20+21=41'] Exploring Operation: 67*41=2747, Resulting Numbers: [2747] 2747,60 unequal: No Solution Exploring Operation: 67+41=108, Resulting Numbers: [108] 108,60 unequal: No Solution Exploring Operation: 67-41=26, Resulting Numbers: [26] 26,60 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 Current State: 60:[22, 21, 65], Operations: ['20+45=65'] Exploring Operation: 22-21=1, Resulting Numbers: [65, 1] Generated Node #0,3,0: 60:[65, 1] Operation: 22-21=1 Exploring Operation: 65-21=44, Resulting Numbers: [22, 44] Generated Node #0,3,1: 60:[22, 44] Operation: 65-21=44 Exploring Operation: 22+21=43, Resulting Numbers: [65, 43] Generated Node #0,3,2: 60:[65, 43] Operation: 22+21=43 Exploring Operation: 65-22=43, Resulting Numbers: [21, 43] Generated Node #0,3,3: 60:[21, 43] Operation: 65-22=43 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 60:[65, 1], Operations: ['20+45=65', '22-21=1'] Exploring Operation: 65+1=66, Resulting Numbers: [66] 66,60 unequal: No Solution Exploring Operation: 65/1=65, Resulting Numbers: [65] 65,60 unequal: No Solution Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,60 unequal: No Solution Exploring Operation: 65*1=65, Resulting Numbers: [65] 65,60 unequal: No Solution No 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: 60:[21, 43], Operations: ['20+45=65', '65-22=43'] Exploring Operation: 21+43=64, Resulting Numbers: [64] 64,60 unequal: No Solution Exploring Operation: 21*43=903, Resulting Numbers: [903] 903,60 unequal: No Solution Exploring Operation: 43-21=22, Resulting Numbers: [22] 22,60 unequal: No Solution No 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: 60:[22, 44], Operations: ['20+45=65', '65-21=44'] Exploring Operation: 44/22=2, Resulting Numbers: [2] 2,60 unequal: No Solution Exploring Operation: 44-22=22, Resulting Numbers: [22] 22,60 unequal: No Solution Exploring Operation: 22+44=66, Resulting Numbers: [66] 66,60 unequal: No Solution Exploring Operation: 22*44=968, Resulting Numbers: [968] 968,60 unequal: No Solution No 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: 60:[65, 43], Operations: ['20+45=65', '22+21=43'] Exploring Operation: 65-43=22, Resulting Numbers: [22] 22,60 unequal: No Solution Exploring Operation: 65+43=108, Resulting Numbers: [108] 108,60 unequal: No Solution Exploring Operation: 65*43=2795, Resulting Numbers: [2795] 2795,60 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
[ 64, 60, 76, 78 ]
28
[ "78-76=2", "64/2=32", "60-32=28" ]
Current State: 28:[64, 60, 76, 78], Operations: [] Exploring Operation: 78-76=2, Resulting Numbers: [64, 60, 2] Generated Node #2: [64, 60, 2] from Operation: 78-76=2 Current State: 28:[64, 60, 2], Operations: ['78-76=2'] Exploring Operation: 64/2=32, Resulting Numbers: [60, 32] Generated Node #3: [60, 32] from Operation: 64/2=32 Current State: 28:[60, 32], Operations: ['78-76=2', '64/2=32'] Exploring Operation: 60-32=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[64, 60, 76, 78], Operations: [] Exploring Operation: 78-64=14, Resulting Numbers: [60, 76, 14] Generated Node #0,0: 28:[60, 76, 14] Operation: 78-64=14 Exploring Operation: 76-64=12, Resulting Numbers: [60, 78, 12] Generated Node #0,1: 28:[60, 78, 12] Operation: 76-64=12 Exploring Operation: 78-76=2, Resulting Numbers: [64, 60, 2] Generated Node #0,2: 28:[64, 60, 2] Operation: 78-76=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 28:[64, 60, 2], Operations: ['78-76=2'] Exploring Operation: 64/2=32, Resulting Numbers: [60, 32] Generated Node #0,2,0: 28:[60, 32] Operation: 64/2=32 Exploring Operation: 64-60=4, Resulting Numbers: [2, 4] Generated Node #0,2,1: 28:[2, 4] Operation: 64-60=4 Exploring Operation: 60/2=30, Resulting Numbers: [64, 30] Generated Node #0,2,2: 28:[64, 30] Operation: 60/2=30 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 28:[2, 4], Operations: ['78-76=2', '64-60=4'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,28 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,28 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,28 unequal: No Solution No 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: 28:[60, 32], Operations: ['78-76=2', '64/2=32'] Exploring Operation: 60-32=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[64, 60, 76, 78], Operations: [] Exploring Operation: 78-76=2, Resulting Numbers: [64, 60, 2] Generated Node #0,2: 28:[64, 60, 2] Operation: 78-76=2 Moving to Node #0,2 Current State: 28:[64, 60, 2], Operations: ['78-76=2'] Exploring Operation: 64/2=32, Resulting Numbers: [60, 32] Generated Node #0,2,0: 28:[60, 32] Operation: 64/2=32 Moving to Node #0,2,0 Current State: 28:[60, 32], Operations: ['78-76=2', '64/2=32'] Exploring Operation: 60-32=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_3
mult_heuristic
[ 99, 56, 35, 40 ]
32
[ "99-56=43", "35+40=75", "75-43=32" ]
Current State: 32:[99, 56, 35, 40], Operations: [] Exploring Operation: 99-56=43, Resulting Numbers: [35, 40, 43] Generated Node #2: [35, 40, 43] from Operation: 99-56=43 Current State: 32:[35, 40, 43], Operations: ['99-56=43'] Exploring Operation: 35+40=75, Resulting Numbers: [43, 75] Generated Node #3: [43, 75] from Operation: 35+40=75 Current State: 32:[43, 75], Operations: ['99-56=43', '35+40=75'] Exploring Operation: 75-43=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[99, 56, 35, 40], Operations: [] Exploring Operation: 99-56=43, Resulting Numbers: [35, 40, 43] Generated Node #0,0: 32:[35, 40, 43] Operation: 99-56=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[35, 40, 43], Operations: ['99-56=43'] Exploring Operation: 43-40=3, Resulting Numbers: [35, 3] Generated Node #0,0,0: 32:[35, 3] Operation: 43-40=3 Moving to Node #0,0,0 Current State: 32:[35, 3], Operations: ['99-56=43', '43-40=3'] Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[99, 56, 35, 40], Operations: [] Exploring Operation: 99-56=43, Resulting Numbers: [35, 40, 43] Generated Node #0,0: 32:[35, 40, 43] Operation: 99-56=43 Moving to Node #0,0 Current State: 32:[35, 40, 43], Operations: ['99-56=43'] Exploring Operation: 43-40=3, Resulting Numbers: [35, 3] Generated Node #0,0,0: 32:[35, 3] Operation: 43-40=3 Moving to Node #0,0,0 Current State: 32:[35, 3], Operations: ['99-56=43', '43-40=3'] Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 75, 21, 95, 18 ]
59
[ "75-21=54", "95+18=113", "113-54=59" ]
Current State: 59:[75, 21, 95, 18], Operations: [] Exploring Operation: 75-21=54, Resulting Numbers: [95, 18, 54] Generated Node #2: [95, 18, 54] from Operation: 75-21=54 Current State: 59:[95, 18, 54], Operations: ['75-21=54'] Exploring Operation: 95+18=113, Resulting Numbers: [54, 113] Generated Node #3: [54, 113] from Operation: 95+18=113 Current State: 59:[54, 113], Operations: ['75-21=54', '95+18=113'] Exploring Operation: 113-54=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[75, 21, 95, 18], Operations: [] Exploring Operation: 75-18=57, Resulting Numbers: [21, 95, 57] Generated Node #0,0: 59:[21, 95, 57] Operation: 75-18=57 Exploring Operation: 95-21=74, Resulting Numbers: [75, 18, 74] Generated Node #0,1: 59:[75, 18, 74] Operation: 95-21=74 Exploring Operation: 95-18=77, Resulting Numbers: [75, 21, 77] Generated Node #0,2: 59:[75, 21, 77] Operation: 95-18=77 Exploring Operation: 21+18=39, Resulting Numbers: [75, 95, 39] Generated Node #0,3: 59:[75, 95, 39] Operation: 21+18=39 Moving to Node #0,1 Current State: 59:[75, 18, 74], Operations: ['95-21=74'] Exploring Operation: 75-18=57, Resulting Numbers: [74, 57] Generated Node #0,1,0: 59:[74, 57] Operation: 75-18=57 Exploring Operation: 75+18=93, Resulting Numbers: [74, 93] Generated Node #0,1,1: 59:[74, 93] Operation: 75+18=93 Exploring Operation: 74-18=56, Resulting Numbers: [75, 56] Generated Node #0,1,2: 59:[75, 56] Operation: 74-18=56 Exploring Operation: 18+74=92, Resulting Numbers: [75, 92] Generated Node #0,1,3: 59:[75, 92] Operation: 18+74=92 Moving to Node #0,3 Current State: 59:[75, 95, 39], Operations: ['21+18=39'] Exploring Operation: 75+39=114, Resulting Numbers: [95, 114] Generated Node #0,3,0: 59:[95, 114] Operation: 75+39=114 Exploring Operation: 95-75=20, Resulting Numbers: [39, 20] Generated Node #0,3,1: 59:[39, 20] Operation: 95-75=20 Exploring Operation: 75-39=36, Resulting Numbers: [95, 36] Generated Node #0,3,2: 59:[95, 36] Operation: 75-39=36 Exploring Operation: 95-39=56, Resulting Numbers: [75, 56] Generated Node #0,3,3: 59:[75, 56] Operation: 95-39=56 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 59:[75, 56], Operations: ['21+18=39', '95-39=56'] Exploring Operation: 75-56=19, Resulting Numbers: [19] 19,59 unequal: No Solution Exploring Operation: 75+56=131, Resulting Numbers: [131] 131,59 unequal: No Solution Exploring Operation: 75*56=4200, Resulting Numbers: [4200] 4200,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 59:[39, 20], Operations: ['21+18=39', '95-75=20'] Exploring Operation: 39-20=19, Resulting Numbers: [19] 19,59 unequal: No Solution Exploring Operation: 39+20=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[75, 21, 95, 18], Operations: [] Exploring Operation: 21+18=39, Resulting Numbers: [75, 95, 39] Generated Node #0,3: 59:[75, 95, 39] Operation: 21+18=39 Moving to Node #0,3 Current State: 59:[75, 95, 39], Operations: ['21+18=39'] Exploring Operation: 95-75=20, Resulting Numbers: [39, 20] Generated Node #0,3,1: 59:[39, 20] Operation: 95-75=20 Moving to Node #0,3,1 Current State: 59:[39, 20], Operations: ['21+18=39', '95-75=20'] Exploring Operation: 39+20=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_4
sum_heuristic
[ 8, 10, 47, 51 ]
100
[ "10-8=2", "47+51=98", "2+98=100" ]
Current State: 100:[8, 10, 47, 51], Operations: [] Exploring Operation: 10-8=2, Resulting Numbers: [47, 51, 2] Generated Node #2: [47, 51, 2] from Operation: 10-8=2 Current State: 100:[47, 51, 2], Operations: ['10-8=2'] Exploring Operation: 47+51=98, Resulting Numbers: [2, 98] Generated Node #3: [2, 98] from Operation: 47+51=98 Current State: 100:[2, 98], Operations: ['10-8=2', '47+51=98'] Exploring Operation: 2+98=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[8, 10, 47, 51], Operations: [] Exploring Operation: 10-8=2, Resulting Numbers: [47, 51, 2] Generated Node #0,0: 100:[47, 51, 2] Operation: 10-8=2 Exploring Operation: 51-47=4, Resulting Numbers: [8, 10, 4] Generated Node #0,1: 100:[8, 10, 4] Operation: 51-47=4 Moving to Node #0,1 Current State: 100:[8, 10, 4], Operations: ['51-47=4'] Exploring Operation: 8-4=4, Resulting Numbers: [10, 4] Generated Node #0,1,0: 100:[10, 4] Operation: 8-4=4 Exploring Operation: 10-8=2, Resulting Numbers: [4, 2] Generated Node #0,1,1: 100:[4, 2] Operation: 10-8=2 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 100:[10, 4], Operations: ['51-47=4', '8-4=4'] Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,100 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 100:[4, 2], Operations: ['51-47=4', '10-8=2'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,100 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 100:[47, 51, 2], Operations: ['10-8=2'] Exploring Operation: 51-47=4, Resulting Numbers: [2, 4] Generated Node #0,0,0: 100:[2, 4] Operation: 51-47=4 Exploring Operation: 47+51=98, Resulting Numbers: [2, 98] Generated Node #0,0,1: 100:[2, 98] Operation: 47+51=98 Moving to Node #0,0,0 Current State: 100:[2, 4], Operations: ['10-8=2', '51-47=4'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,100 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,100 unequal: No Solution Moving to Node #0,0,1 Current State: 100:[2, 98], Operations: ['10-8=2', '47+51=98'] Exploring Operation: 98/2=49, Resulting Numbers: [49] 49,100 unequal: No Solution Exploring Operation: 2+98=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[8, 10, 47, 51], Operations: [] Exploring Operation: 10-8=2, Resulting Numbers: [47, 51, 2] Generated Node #0,0: 100:[47, 51, 2] Operation: 10-8=2 Moving to Node #0,0 Current State: 100:[47, 51, 2], Operations: ['10-8=2'] Exploring Operation: 47+51=98, Resulting Numbers: [2, 98] Generated Node #0,0,1: 100:[2, 98] Operation: 47+51=98 Moving to Node #0,0,1 Current State: 100:[2, 98], Operations: ['10-8=2', '47+51=98'] Exploring Operation: 2+98=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
0.984375
hs_2
mult_heuristic
[ 8, 68, 27, 53 ]
95
[ "8*27=216", "68+53=121", "216-121=95" ]
Current State: 95:[8, 68, 27, 53], Operations: [] Exploring Operation: 8*27=216, Resulting Numbers: [68, 53, 216] Generated Node #2: [68, 53, 216] from Operation: 8*27=216 Current State: 95:[68, 53, 216], Operations: ['8*27=216'] Exploring Operation: 68+53=121, Resulting Numbers: [216, 121] Generated Node #3: [216, 121] from Operation: 68+53=121 Current State: 95:[216, 121], Operations: ['8*27=216', '68+53=121'] Exploring Operation: 216-121=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[8, 68, 27, 53], Operations: [] Exploring Operation: 68+27=95, Resulting Numbers: [8, 53, 95] Generated Node #0,0: 95:[8, 53, 95] Operation: 68+27=95 Exploring Operation: 68+53=121, Resulting Numbers: [8, 27, 121] Generated Node #0,1: 95:[8, 27, 121] Operation: 68+53=121 Exploring Operation: 68-53=15, Resulting Numbers: [8, 27, 15] Generated Node #0,2: 95:[8, 27, 15] Operation: 68-53=15 Exploring Operation: 53-27=26, Resulting Numbers: [8, 68, 26] Generated Node #0,3: 95:[8, 68, 26] Operation: 53-27=26 Start Sub Search at level 1: Moving to Node #0,2 Current State: 95:[8, 27, 15], Operations: ['68-53=15'] Exploring Operation: 27-15=12, Resulting Numbers: [8, 12] Generated Node #0,2,0: 95:[8, 12] Operation: 27-15=12 Exploring Operation: 15-8=7, Resulting Numbers: [27, 7] Generated Node #0,2,1: 95:[27, 7] Operation: 15-8=7 Exploring Operation: 27-8=19, Resulting Numbers: [15, 19] Generated Node #0,2,2: 95:[15, 19] Operation: 27-8=19 Exploring Operation: 8+15=23, Resulting Numbers: [27, 23] Generated Node #0,2,3: 95:[27, 23] Operation: 8+15=23 Moving to Node #0,2,2 Current State: 95:[15, 19], Operations: ['68-53=15', '27-8=19'] Exploring Operation: 15*19=285, Resulting Numbers: [285] 285,95 unequal: No Solution Exploring Operation: 19-15=4, Resulting Numbers: [4] 4,95 unequal: No Solution Exploring Operation: 15+19=34, Resulting Numbers: [34] 34,95 unequal: No Solution Moving to Node #0,2,1 Current State: 95:[27, 7], Operations: ['68-53=15', '15-8=7'] Exploring Operation: 27*7=189, Resulting Numbers: [189] 189,95 unequal: No Solution Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,95 unequal: No Solution Exploring Operation: 27+7=34, Resulting Numbers: [34] 34,95 unequal: No Solution Moving to Node #0,2,0 Current State: 95:[8, 12], Operations: ['68-53=15', '27-15=12'] Exploring Operation: 8*12=96, Resulting Numbers: [96] 96,95 unequal: No Solution Exploring Operation: 12-8=4, Resulting Numbers: [4] 4,95 unequal: No Solution Exploring Operation: 8+12=20, Resulting Numbers: [20] 20,95 unequal: No Solution Moving to Node #0,2,3 Current State: 95:[27, 23], Operations: ['68-53=15', '8+15=23'] Exploring Operation: 27+23=50, Resulting Numbers: [50] 50,95 unequal: No Solution Exploring Operation: 27-23=4, Resulting Numbers: [4] 4,95 unequal: No Solution Exploring Operation: 27*23=621, Resulting Numbers: [621] 621,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[8, 53, 95], Operations: ['68+27=95'] Exploring Operation: 8+53=61, Resulting Numbers: [95, 61] Generated Node #0,0,0: 95:[95, 61] Operation: 8+53=61 Exploring Operation: 95-53=42, Resulting Numbers: [8, 42] Generated Node #0,0,1: 95:[8, 42] Operation: 95-53=42 Exploring Operation: 53-8=45, Resulting Numbers: [95, 45] Generated Node #0,0,2: 95:[95, 45] Operation: 53-8=45 Exploring Operation: 8+95=103, Resulting Numbers: [53, 103] Generated Node #0,0,3: 95:[53, 103] Operation: 8+95=103 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 95:[8, 42], Operations: ['68+27=95', '95-53=42'] Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,95 unequal: No Solution Exploring Operation: 8*42=336, Resulting Numbers: [336] 336,95 unequal: No Solution Exploring Operation: 8+42=50, Resulting Numbers: [50] 50,95 unequal: No Solution No 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: 95:[95, 45], Operations: ['68+27=95', '53-8=45'] Exploring Operation: 95-45=50, Resulting Numbers: [50] 50,95 unequal: No Solution Exploring Operation: 95+45=140, Resulting Numbers: [140] 140,95 unequal: No Solution Exploring Operation: 95*45=4275, Resulting Numbers: [4275] 4275,95 unequal: No Solution No 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: 95:[95, 61], Operations: ['68+27=95', '8+53=61'] Exploring Operation: 95-61=34, Resulting Numbers: [34] 34,95 unequal: No Solution Exploring Operation: 95+61=156, Resulting Numbers: [156] 156,95 unequal: No Solution Exploring Operation: 95*61=5795, Resulting Numbers: [5795] 5795,95 unequal: No Solution No 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: 95:[53, 103], Operations: ['68+27=95', '8+95=103'] Exploring Operation: 53+103=156, Resulting Numbers: [156] 156,95 unequal: No Solution Exploring Operation: 53*103=5459, Resulting Numbers: [5459] 5459,95 unequal: No Solution Exploring Operation: 103-53=50, Resulting Numbers: [50] 50,95 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: 95:[8, 27, 121], Operations: ['68+53=121'] Exploring Operation: 8+27=35, Resulting Numbers: [121, 35] Generated Node #0,1,0: 95:[121, 35] Operation: 8+27=35 Exploring Operation: 121-27=94, Resulting Numbers: [8, 94] Generated Node #0,1,1: 95:[8, 94] Operation: 121-27=94 Exploring Operation: 121-8=113, Resulting Numbers: [27, 113] Generated Node #0,1,2: 95:[27, 113] Operation: 121-8=113 Exploring Operation: 27-8=19, Resulting Numbers: [121, 19] Generated Node #0,1,3: 95:[121, 19] Operation: 27-8=19 Moving to Node #0,1,1 Current State: 95:[8, 94], Operations: ['68+53=121', '121-27=94'] Exploring Operation: 8+94=102, Resulting Numbers: [102] 102,95 unequal: No Solution Exploring Operation: 94-8=86, Resulting Numbers: [86] 86,95 unequal: No Solution Exploring Operation: 8*94=752, Resulting Numbers: [752] 752,95 unequal: No Solution Moving to Node #0,1,3 Current State: 95:[121, 19], Operations: ['68+53=121', '27-8=19'] Exploring Operation: 121+19=140, Resulting Numbers: [140] 140,95 unequal: No Solution Exploring Operation: 121*19=2299, Resulting Numbers: [2299] 2299,95 unequal: No Solution Exploring Operation: 121-19=102, Resulting Numbers: [102] 102,95 unequal: No Solution Moving to Node #0,1,2 Current State: 95:[27, 113], Operations: ['68+53=121', '121-8=113'] Exploring Operation: 27+113=140, Resulting Numbers: [140] 140,95 unequal: No Solution Exploring Operation: 27*113=3051, Resulting Numbers: [3051] 3051,95 unequal: No Solution Exploring Operation: 113-27=86, Resulting Numbers: [86] 86,95 unequal: No Solution Moving to Node #0,1,0 Current State: 95:[121, 35], Operations: ['68+53=121', '8+27=35'] Exploring Operation: 121*35=4235, Resulting Numbers: [4235] 4235,95 unequal: No Solution Exploring Operation: 121-35=86, Resulting Numbers: [86] 86,95 unequal: No Solution Exploring Operation: 121+35=156, Resulting Numbers: [156] 156,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 95:[8, 68, 26], Operations: ['53-27=26'] Exploring Operation: 68-26=42, Resulting Numbers: [8, 42] Generated Node #0,3,0: 95:[8, 42] Operation: 68-26=42 Exploring Operation: 26-8=18, Resulting Numbers: [68, 18] Generated Node #0,3,1: 95:[68, 18] Operation: 26-8=18 Exploring Operation: 8+68=76, Resulting Numbers: [26, 76] Generated Node #0,3,2: 95:[26, 76] Operation: 8+68=76 Exploring Operation: 68+26=94, Resulting Numbers: [8, 94] Generated Node #0,3,3: 95:[8, 94] Operation: 68+26=94 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 95:[8, 94], Operations: ['53-27=26', '68+26=94'] Exploring Operation: 8+94=102, Resulting Numbers: [102] 102,95 unequal: No Solution Exploring Operation: 8*94=752, Resulting Numbers: [752] 752,95 unequal: No Solution Exploring Operation: 94-8=86, Resulting Numbers: [86] 86,95 unequal: No Solution No 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: 95:[8, 42], Operations: ['53-27=26', '68-26=42'] Exploring Operation: 8+42=50, Resulting Numbers: [50] 50,95 unequal: No Solution Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,95 unequal: No Solution Exploring Operation: 8*42=336, Resulting Numbers: [336] 336,95 unequal: No Solution No 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: 95:[26, 76], Operations: ['53-27=26', '8+68=76'] Exploring Operation: 26+76=102, Resulting Numbers: [102] 102,95 unequal: No Solution Exploring Operation: 76-26=50, Resulting Numbers: [50] 50,95 unequal: No Solution Exploring Operation: 26*76=1976, Resulting Numbers: [1976] 1976,95 unequal: No Solution No 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: 95:[68, 18], Operations: ['53-27=26', '26-8=18'] Exploring Operation: 68+18=86, Resulting Numbers: [86] 86,95 unequal: No Solution Exploring Operation: 68*18=1224, Resulting Numbers: [1224] 1224,95 unequal: No Solution Exploring Operation: 68-18=50, Resulting Numbers: [50] 50,95 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
[ 16, 10, 2, 28 ]
49
[ "16+28=44", "10/2=5", "44+5=49" ]
Current State: 49:[16, 10, 2, 28], Operations: [] Exploring Operation: 16+28=44, Resulting Numbers: [10, 2, 44] Generated Node #2: [10, 2, 44] from Operation: 16+28=44 Current State: 49:[10, 2, 44], Operations: ['16+28=44'] Exploring Operation: 10/2=5, Resulting Numbers: [44, 5] Generated Node #3: [44, 5] from Operation: 10/2=5 Current State: 49:[44, 5], Operations: ['16+28=44', '10/2=5'] Exploring Operation: 44+5=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[16, 10, 2, 28], Operations: [] Exploring Operation: 2*28=56, Resulting Numbers: [16, 10, 56] Generated Node #0,0: 49:[16, 10, 56] Operation: 2*28=56 Exploring Operation: 28-16=12, Resulting Numbers: [10, 2, 12] Generated Node #0,1: 49:[10, 2, 12] Operation: 28-16=12 Exploring Operation: 16+28=44, Resulting Numbers: [10, 2, 44] Generated Node #0,2: 49:[10, 2, 44] Operation: 16+28=44 Exploring Operation: 28/2=14, Resulting Numbers: [16, 10, 14] Generated Node #0,3: 49:[16, 10, 14] Operation: 28/2=14 Moving to Node #0,1 Current State: 49:[10, 2, 12], Operations: ['28-16=12'] Exploring Operation: 10-2=8, Resulting Numbers: [12, 8] Generated Node #0,1,0: 49:[12, 8] Operation: 10-2=8 Exploring Operation: 12-2=10, Resulting Numbers: [10, 10] Generated Node #0,1,1: 49:[10, 10] Operation: 12-2=10 Exploring Operation: 10/2=5, Resulting Numbers: [12, 5] Generated Node #0,1,2: 49:[12, 5] Operation: 10/2=5 Exploring Operation: 12/2=6, Resulting Numbers: [10, 6] Generated Node #0,1,3: 49:[10, 6] Operation: 12/2=6 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 49:[10, 6], Operations: ['28-16=12', '12/2=6'] Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,49 unequal: No Solution Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,49 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,49 unequal: No Solution No 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: 49:[12, 8], Operations: ['28-16=12', '10-2=8'] Exploring Operation: 12*8=96, Resulting Numbers: [96] 96,49 unequal: No Solution Exploring Operation: 12+8=20, Resulting Numbers: [20] 20,49 unequal: No Solution Exploring Operation: 12-8=4, Resulting Numbers: [4] 4,49 unequal: No Solution No 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: 49:[10, 10], Operations: ['28-16=12', '12-2=10'] Exploring Operation: 10*10=100, Resulting Numbers: [100] 100,49 unequal: No Solution Exploring Operation: 10-10=0, Resulting Numbers: [0] 0,49 unequal: No Solution Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,49 unequal: No Solution Exploring Operation: 10+10=20, Resulting Numbers: [20] 20,49 unequal: No Solution No 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: 49:[12, 5], Operations: ['28-16=12', '10/2=5'] Exploring Operation: 12+5=17, Resulting Numbers: [17] 17,49 unequal: No Solution Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 12*5=60, Resulting Numbers: [60] 60,49 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: 49:[10, 2, 44], Operations: ['16+28=44'] Exploring Operation: 2+44=46, Resulting Numbers: [10, 46] Generated Node #0,2,0: 49:[10, 46] Operation: 2+44=46 Exploring Operation: 10+2=12, Resulting Numbers: [44, 12] Generated Node #0,2,1: 49:[44, 12] Operation: 10+2=12 Exploring Operation: 10-2=8, Resulting Numbers: [44, 8] Generated Node #0,2,2: 49:[44, 8] Operation: 10-2=8 Exploring Operation: 10/2=5, Resulting Numbers: [44, 5] Generated Node #0,2,3: 49:[44, 5] Operation: 10/2=5 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 49:[10, 46], Operations: ['16+28=44', '2+44=46'] Exploring Operation: 10+46=56, Resulting Numbers: [56] 56,49 unequal: No Solution Exploring Operation: 10*46=460, Resulting Numbers: [460] 460,49 unequal: No Solution Exploring Operation: 46-10=36, Resulting Numbers: [36] 36,49 unequal: No Solution No 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: 49:[44, 8], Operations: ['16+28=44', '10-2=8'] Exploring Operation: 44*8=352, Resulting Numbers: [352] 352,49 unequal: No Solution Exploring Operation: 44+8=52, Resulting Numbers: [52] 52,49 unequal: No Solution Exploring Operation: 44-8=36, Resulting Numbers: [36] 36,49 unequal: No Solution No 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: 49:[44, 5], Operations: ['16+28=44', '10/2=5'] Exploring Operation: 44*5=220, Resulting Numbers: [220] 220,49 unequal: No Solution Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,49 unequal: No Solution Exploring Operation: 44+5=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[16, 10, 2, 28], Operations: [] Exploring Operation: 16+28=44, Resulting Numbers: [10, 2, 44] Generated Node #0,2: 49:[10, 2, 44] Operation: 16+28=44 Moving to Node #0,2 Current State: 49:[10, 2, 44], Operations: ['16+28=44'] Exploring Operation: 10/2=5, Resulting Numbers: [44, 5] Generated Node #0,2,3: 49:[44, 5] Operation: 10/2=5 Moving to Node #0,2,3 Current State: 49:[44, 5], Operations: ['16+28=44', '10/2=5'] Exploring Operation: 44+5=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_4
sum_heuristic
[ 4, 96, 15, 72 ]
35
[ "96-4=92", "72-15=57", "92-57=35" ]
Current State: 35:[4, 96, 15, 72], Operations: [] Exploring Operation: 96-4=92, Resulting Numbers: [15, 72, 92] Generated Node #2: [15, 72, 92] from Operation: 96-4=92 Current State: 35:[15, 72, 92], Operations: ['96-4=92'] Exploring Operation: 72-15=57, Resulting Numbers: [92, 57] Generated Node #3: [92, 57] from Operation: 72-15=57 Current State: 35:[92, 57], Operations: ['96-4=92', '72-15=57'] Exploring Operation: 92-57=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[4, 96, 15, 72], Operations: [] Exploring Operation: 96-72=24, Resulting Numbers: [4, 15, 24] Generated Node #0,0: 35:[4, 15, 24] Operation: 96-72=24 Exploring Operation: 96/4=24, Resulting Numbers: [15, 72, 24] Generated Node #0,1: 35:[15, 72, 24] Operation: 96/4=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[4, 15, 24], Operations: ['96-72=24'] Exploring Operation: 24-15=9, Resulting Numbers: [4, 9] Generated Node #0,0,0: 35:[4, 9] Operation: 24-15=9 Exploring Operation: 15+24=39, Resulting Numbers: [4, 39] Generated Node #0,0,1: 35:[4, 39] Operation: 15+24=39 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 35:[4, 9], Operations: ['96-72=24', '24-15=9'] Exploring Operation: 4*9=36, Resulting Numbers: [36] 36,35 unequal: No Solution Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 35:[4, 39], Operations: ['96-72=24', '15+24=39'] Exploring Operation: 4+39=43, Resulting Numbers: [43] 43,35 unequal: No Solution Exploring Operation: 39-4=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[4, 96, 15, 72], Operations: [] Exploring Operation: 96-72=24, Resulting Numbers: [4, 15, 24] Generated Node #0,0: 35:[4, 15, 24] Operation: 96-72=24 Moving to Node #0,0 Current State: 35:[4, 15, 24], Operations: ['96-72=24'] Exploring Operation: 15+24=39, Resulting Numbers: [4, 39] Generated Node #0,0,1: 35:[4, 39] Operation: 15+24=39 Moving to Node #0,0,1 Current State: 35:[4, 39], Operations: ['96-72=24', '15+24=39'] Exploring Operation: 39-4=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 5, 70, 17, 61 ]
94
[ "5*17=85", "70-61=9", "85+9=94" ]
Current State: 94:[5, 70, 17, 61], Operations: [] Exploring Operation: 5*17=85, Resulting Numbers: [70, 61, 85] Generated Node #2: [70, 61, 85] from Operation: 5*17=85 Current State: 94:[70, 61, 85], Operations: ['5*17=85'] Exploring Operation: 70-61=9, Resulting Numbers: [85, 9] Generated Node #3: [85, 9] from Operation: 70-61=9 Current State: 94:[85, 9], Operations: ['5*17=85', '70-61=9'] Exploring Operation: 85+9=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[5, 70, 17, 61], Operations: [] Exploring Operation: 70-17=53, Resulting Numbers: [5, 61, 53] Generated Node #0,0: 94:[5, 61, 53] Operation: 70-17=53 Exploring Operation: 70+17=87, Resulting Numbers: [5, 61, 87] Generated Node #0,1: 94:[5, 61, 87] Operation: 70+17=87 Exploring Operation: 70-61=9, Resulting Numbers: [5, 17, 9] Generated Node #0,2: 94:[5, 17, 9] Operation: 70-61=9 Moving to Node #0,0 Current State: 94:[5, 61, 53], Operations: ['70-17=53'] Exploring Operation: 61-53=8, Resulting Numbers: [5, 8] Generated Node #0,0,0: 94:[5, 8] Operation: 61-53=8 Exploring Operation: 61-5=56, Resulting Numbers: [53, 56] Generated Node #0,0,1: 94:[53, 56] Operation: 61-5=56 Exploring Operation: 53-5=48, Resulting Numbers: [61, 48] Generated Node #0,0,2: 94:[61, 48] Operation: 53-5=48 Moving to Node #0,1 Current State: 94:[5, 61, 87], Operations: ['70+17=87'] Exploring Operation: 87-61=26, Resulting Numbers: [5, 26] Generated Node #0,1,0: 94:[5, 26] Operation: 87-61=26 Exploring Operation: 5+87=92, Resulting Numbers: [61, 92] Generated Node #0,1,1: 94:[61, 92] Operation: 5+87=92 Exploring Operation: 61-5=56, Resulting Numbers: [87, 56] Generated Node #0,1,2: 94:[87, 56] Operation: 61-5=56 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 94:[61, 92], Operations: ['70+17=87', '5+87=92'] Exploring Operation: 92-61=31, Resulting Numbers: [31] 31,94 unequal: No Solution Exploring Operation: 61+92=153, Resulting Numbers: [153] 153,94 unequal: No Solution Exploring Operation: 61*92=5612, Resulting Numbers: [5612] 5612,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 94:[87, 56], Operations: ['70+17=87', '61-5=56'] Exploring Operation: 87+56=143, Resulting Numbers: [143] 143,94 unequal: No Solution Exploring Operation: 87*56=4872, Resulting Numbers: [4872] 4872,94 unequal: No Solution Exploring Operation: 87-56=31, Resulting Numbers: [31] 31,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 94:[5, 26], Operations: ['70+17=87', '87-61=26'] Exploring Operation: 26-5=21, Resulting Numbers: [21] 21,94 unequal: No Solution Exploring Operation: 5*26=130, Resulting Numbers: [130] 130,94 unequal: No Solution Exploring Operation: 5+26=31, Resulting Numbers: [31] 31,94 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: 94:[5, 17, 9], Operations: ['70-61=9'] Exploring Operation: 17-9=8, Resulting Numbers: [5, 8] Generated Node #0,2,0: 94:[5, 8] Operation: 17-9=8 Exploring Operation: 5*17=85, Resulting Numbers: [9, 85] Generated Node #0,2,1: 94:[9, 85] Operation: 5*17=85 Exploring Operation: 17-5=12, Resulting Numbers: [9, 12] Generated Node #0,2,2: 94:[9, 12] Operation: 17-5=12 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 94:[5, 8], Operations: ['70-61=9', '17-9=8'] Exploring Operation: 5+8=13, Resulting Numbers: [13] 13,94 unequal: No Solution Exploring Operation: 5*8=40, Resulting Numbers: [40] 40,94 unequal: No Solution Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 94:[9, 85], Operations: ['70-61=9', '5*17=85'] Exploring Operation: 85-9=76, Resulting Numbers: [76] 76,94 unequal: No Solution Exploring Operation: 9*85=765, Resulting Numbers: [765] 765,94 unequal: No Solution Exploring Operation: 9+85=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[5, 70, 17, 61], Operations: [] Exploring Operation: 70-61=9, Resulting Numbers: [5, 17, 9] Generated Node #0,2: 94:[5, 17, 9] Operation: 70-61=9 Moving to Node #0,2 Current State: 94:[5, 17, 9], Operations: ['70-61=9'] Exploring Operation: 5*17=85, Resulting Numbers: [9, 85] Generated Node #0,2,1: 94:[9, 85] Operation: 5*17=85 Moving to Node #0,2,1 Current State: 94:[9, 85], Operations: ['70-61=9', '5*17=85'] Exploring Operation: 9+85=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_3
sum_heuristic
[ 96, 66, 15, 17 ]
15
[ "96-66=30", "17-15=2", "30/2=15" ]
Current State: 15:[96, 66, 15, 17], Operations: [] Exploring Operation: 96-66=30, Resulting Numbers: [15, 17, 30] Generated Node #2: [15, 17, 30] from Operation: 96-66=30 Current State: 15:[15, 17, 30], Operations: ['96-66=30'] Exploring Operation: 17-15=2, Resulting Numbers: [30, 2] Generated Node #3: [30, 2] from Operation: 17-15=2 Current State: 15:[30, 2], Operations: ['96-66=30', '17-15=2'] Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[96, 66, 15, 17], Operations: [] Exploring Operation: 96-17=79, Resulting Numbers: [66, 15, 79] Generated Node #0,0: 15:[66, 15, 79] Operation: 96-17=79 Exploring Operation: 66-17=49, Resulting Numbers: [96, 15, 49] Generated Node #0,1: 15:[96, 15, 49] Operation: 66-17=49 Exploring Operation: 96-66=30, Resulting Numbers: [15, 17, 30] Generated Node #0,2: 15:[15, 17, 30] Operation: 96-66=30 Moving to Node #0,2 Current State: 15:[15, 17, 30], Operations: ['96-66=30'] Exploring Operation: 30/15=2, Resulting Numbers: [17, 2] Generated Node #0,2,0: 15:[17, 2] Operation: 30/15=2 Exploring Operation: 30-17=13, Resulting Numbers: [15, 13] Generated Node #0,2,1: 15:[15, 13] Operation: 30-17=13 Exploring Operation: 30-15=15, Resulting Numbers: [17, 15] Generated Node #0,2,2: 15:[17, 15] Operation: 30-15=15 Moving to Node #0,0 Current State: 15:[66, 15, 79], Operations: ['96-17=79'] Exploring Operation: 66-15=51, Resulting Numbers: [79, 51] Generated Node #0,0,0: 15:[79, 51] Operation: 66-15=51 Exploring Operation: 79-66=13, Resulting Numbers: [15, 13] Generated Node #0,0,1: 15:[15, 13] Operation: 79-66=13 Exploring Operation: 79-15=64, Resulting Numbers: [66, 64] Generated Node #0,0,2: 15:[66, 64] Operation: 79-15=64 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 15:[15, 13], Operations: ['96-17=79', '79-66=13'] Exploring Operation: 15-13=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 15+13=28, Resulting Numbers: [28] 28,15 unequal: No Solution Exploring Operation: 15*13=195, Resulting Numbers: [195] 195,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 15:[79, 51], Operations: ['96-17=79', '66-15=51'] Exploring Operation: 79*51=4029, Resulting Numbers: [4029] 4029,15 unequal: No Solution Exploring Operation: 79-51=28, Resulting Numbers: [28] 28,15 unequal: No Solution Exploring Operation: 79+51=130, Resulting Numbers: [130] 130,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 15:[66, 64], Operations: ['96-17=79', '79-15=64'] Exploring Operation: 66-64=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 66*64=4224, Resulting Numbers: [4224] 4224,15 unequal: No Solution Exploring Operation: 66+64=130, Resulting Numbers: [130] 130,15 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: 15:[96, 15, 49], Operations: ['66-17=49'] Exploring Operation: 96-49=47, Resulting Numbers: [15, 47] Generated Node #0,1,0: 15:[15, 47] Operation: 96-49=47 Exploring Operation: 49-15=34, Resulting Numbers: [96, 34] Generated Node #0,1,1: 15:[96, 34] Operation: 49-15=34 Exploring Operation: 96-15=81, Resulting Numbers: [49, 81] Generated Node #0,1,2: 15:[49, 81] Operation: 96-15=81 Moving to Node #0,2,1 Current State: 15:[15, 13], Operations: ['96-66=30', '30-17=13'] Exploring Operation: 15-13=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 15+13=28, Resulting Numbers: [28] 28,15 unequal: No Solution Exploring Operation: 15*13=195, Resulting Numbers: [195] 195,15 unequal: No Solution Moving to Node #0,2,2 Current State: 15:[17, 15], Operations: ['96-66=30', '30-15=15'] Exploring Operation: 17*15=255, Resulting Numbers: [255] 255,15 unequal: No Solution Exploring Operation: 17+15=32, Resulting Numbers: [32] 32,15 unequal: No Solution Exploring Operation: 17-15=2, Resulting Numbers: [2] 2,15 unequal: No Solution Moving to Node #0,2,0 Current State: 15:[17, 2], Operations: ['96-66=30', '30/15=2'] Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[96, 66, 15, 17], Operations: [] Exploring Operation: 96-66=30, Resulting Numbers: [15, 17, 30] Generated Node #0,2: 15:[15, 17, 30] Operation: 96-66=30 Moving to Node #0,2 Current State: 15:[15, 17, 30], Operations: ['96-66=30'] Exploring Operation: 30/15=2, Resulting Numbers: [17, 2] Generated Node #0,2,0: 15:[17, 2] Operation: 30/15=2 Moving to Node #0,2,0 Current State: 15:[17, 2], Operations: ['96-66=30', '30/15=2'] Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
0.972222
hs_3
mult_heuristic
[ 25, 43, 50, 8 ]
76
[ "43-25=18", "50+8=58", "18+58=76" ]
Current State: 76:[25, 43, 50, 8], Operations: [] Exploring Operation: 43-25=18, Resulting Numbers: [50, 8, 18] Generated Node #2: [50, 8, 18] from Operation: 43-25=18 Current State: 76:[50, 8, 18], Operations: ['43-25=18'] Exploring Operation: 50+8=58, Resulting Numbers: [18, 58] Generated Node #3: [18, 58] from Operation: 50+8=58 Current State: 76:[18, 58], Operations: ['43-25=18', '50+8=58'] Exploring Operation: 18+58=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[25, 43, 50, 8], Operations: [] Exploring Operation: 50-8=42, Resulting Numbers: [25, 43, 42] Generated Node #0,0: 76:[25, 43, 42] Operation: 50-8=42 Exploring Operation: 25+50=75, Resulting Numbers: [43, 8, 75] Generated Node #0,1: 76:[43, 8, 75] Operation: 25+50=75 Exploring Operation: 50/25=2, Resulting Numbers: [43, 8, 2] Generated Node #0,2: 76:[43, 8, 2] Operation: 50/25=2 Exploring Operation: 50-25=25, Resulting Numbers: [43, 8, 25] Generated Node #0,3: 76:[43, 8, 25] Operation: 50-25=25 Exploring Operation: 50-43=7, Resulting Numbers: [25, 8, 7] Generated Node #0,4: 76:[25, 8, 7] Operation: 50-43=7 Start Sub Search at level 1: Moving to Node #0,2 Current State: 76:[43, 8, 2], Operations: ['50/25=2'] Exploring Operation: 8*2=16, Resulting Numbers: [43, 16] Generated Node #0,2,0: 76:[43, 16] Operation: 8*2=16 Exploring Operation: 8/2=4, Resulting Numbers: [43, 4] Generated Node #0,2,1: 76:[43, 4] Operation: 8/2=4 Exploring Operation: 43-2=41, Resulting Numbers: [8, 41] Generated Node #0,2,2: 76:[8, 41] Operation: 43-2=41 Exploring Operation: 43-8=35, Resulting Numbers: [2, 35] Generated Node #0,2,3: 76:[2, 35] Operation: 43-8=35 Exploring Operation: 8-2=6, Resulting Numbers: [43, 6] Generated Node #0,2,4: 76:[43, 6] Operation: 8-2=6 Moving to Node #0,2,3 Current State: 76:[2, 35], Operations: ['50/25=2', '43-8=35'] Exploring Operation: 2+35=37, Resulting Numbers: [37] 37,76 unequal: No Solution Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,76 unequal: No Solution Exploring Operation: 2*35=70, Resulting Numbers: [70] 70,76 unequal: No Solution Moving to Node #0,2,1 Current State: 76:[43, 4], Operations: ['50/25=2', '8/2=4'] Exploring Operation: 43*4=172, Resulting Numbers: [172] 172,76 unequal: No Solution Exploring Operation: 43+4=47, Resulting Numbers: [47] 47,76 unequal: No Solution Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,76 unequal: No Solution Moving to Node #0,2,2 Current State: 76:[8, 41], Operations: ['50/25=2', '43-2=41'] Exploring Operation: 8+41=49, Resulting Numbers: [49] 49,76 unequal: No Solution Exploring Operation: 8*41=328, Resulting Numbers: [328] 328,76 unequal: No Solution Exploring Operation: 41-8=33, Resulting Numbers: [33] 33,76 unequal: No Solution Moving to Node #0,2,4 Current State: 76:[43, 6], Operations: ['50/25=2', '8-2=6'] Exploring Operation: 43+6=49, Resulting Numbers: [49] 49,76 unequal: No Solution Exploring Operation: 43-6=37, Resulting Numbers: [37] 37,76 unequal: No Solution Exploring Operation: 43*6=258, Resulting Numbers: [258] 258,76 unequal: No Solution Moving to Node #0,2,0 Current State: 76:[43, 16], Operations: ['50/25=2', '8*2=16'] Exploring Operation: 43-16=27, Resulting Numbers: [27] 27,76 unequal: No Solution Exploring Operation: 43+16=59, Resulting Numbers: [59] 59,76 unequal: No Solution Exploring Operation: 43*16=688, Resulting Numbers: [688] 688,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 76:[43, 8, 75], Operations: ['25+50=75'] Exploring Operation: 75-43=32, Resulting Numbers: [8, 32] Generated Node #0,1,0: 76:[8, 32] Operation: 75-43=32 Exploring Operation: 8+75=83, Resulting Numbers: [43, 83] Generated Node #0,1,1: 76:[43, 83] Operation: 8+75=83 Exploring Operation: 75-8=67, Resulting Numbers: [43, 67] Generated Node #0,1,2: 76:[43, 67] Operation: 75-8=67 Exploring Operation: 43-8=35, Resulting Numbers: [75, 35] Generated Node #0,1,3: 76:[75, 35] Operation: 43-8=35 Exploring Operation: 43+8=51, Resulting Numbers: [75, 51] Generated Node #0,1,4: 76:[75, 51] Operation: 43+8=51 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 76:[75, 35], Operations: ['25+50=75', '43-8=35'] Exploring Operation: 75+35=110, Resulting Numbers: [110] 110,76 unequal: No Solution Exploring Operation: 75*35=2625, Resulting Numbers: [2625] 2625,76 unequal: No Solution Exploring Operation: 75-35=40, Resulting Numbers: [40] 40,76 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:[8, 32], Operations: ['25+50=75', '75-43=32'] Exploring Operation: 32-8=24, Resulting Numbers: [24] 24,76 unequal: No Solution Exploring Operation: 32/8=4, Resulting Numbers: [4] 4,76 unequal: No Solution Exploring Operation: 8+32=40, Resulting Numbers: [40] 40,76 unequal: No Solution Exploring Operation: 8*32=256, Resulting Numbers: [256] 256,76 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:[43, 83], Operations: ['25+50=75', '8+75=83'] Exploring Operation: 43*83=3569, Resulting Numbers: [3569] 3569,76 unequal: No Solution Exploring Operation: 83-43=40, Resulting Numbers: [40] 40,76 unequal: No Solution Exploring Operation: 43+83=126, Resulting Numbers: [126] 126,76 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 #0,1,2 Current State: 76:[43, 67], Operations: ['25+50=75', '75-8=67'] Exploring Operation: 67-43=24, Resulting Numbers: [24] 24,76 unequal: No Solution Exploring Operation: 43+67=110, Resulting Numbers: [110] 110,76 unequal: No Solution Exploring Operation: 43*67=2881, Resulting Numbers: [2881] 2881,76 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 #0,1,4 Current State: 76:[75, 51], Operations: ['25+50=75', '43+8=51'] Exploring Operation: 75*51=3825, Resulting Numbers: [3825] 3825,76 unequal: No Solution Exploring Operation: 75-51=24, Resulting Numbers: [24] 24,76 unequal: No Solution Exploring Operation: 75+51=126, Resulting Numbers: [126] 126,76 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 #0,4 Current State: 76:[25, 8, 7], Operations: ['50-43=7'] Exploring Operation: 25+8=33, Resulting Numbers: [7, 33] Generated Node #0,4,0: 76:[7, 33] Operation: 25+8=33 Exploring Operation: 8-7=1, Resulting Numbers: [25, 1] Generated Node #0,4,1: 76:[25, 1] Operation: 8-7=1 Exploring Operation: 25-7=18, Resulting Numbers: [8, 18] Generated Node #0,4,2: 76:[8, 18] Operation: 25-7=18 Exploring Operation: 25-8=17, Resulting Numbers: [7, 17] Generated Node #0,4,3: 76:[7, 17] Operation: 25-8=17 Exploring Operation: 25+7=32, Resulting Numbers: [8, 32] Generated Node #0,4,4: 76:[8, 32] Operation: 25+7=32 Moving to Node #0,4,2 Current State: 76:[8, 18], Operations: ['50-43=7', '25-7=18'] Exploring Operation: 8+18=26, Resulting Numbers: [26] 26,76 unequal: No Solution Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,76 unequal: No Solution Exploring Operation: 8*18=144, Resulting Numbers: [144] 144,76 unequal: No Solution Moving to Node #0,4,3 Current State: 76:[7, 17], Operations: ['50-43=7', '25-8=17'] Exploring Operation: 7*17=119, Resulting Numbers: [119] 119,76 unequal: No Solution Exploring Operation: 7+17=24, Resulting Numbers: [24] 24,76 unequal: No Solution Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,76 unequal: No Solution Moving to Node #0,4,1 Current State: 76:[25, 1], Operations: ['50-43=7', '8-7=1'] Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,76 unequal: No Solution Exploring Operation: 25/1=25, Resulting Numbers: [25] 25,76 unequal: No Solution Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,76 unequal: No Solution Exploring Operation: 25+1=26, Resulting Numbers: [26] 26,76 unequal: No Solution Moving to Node #0,4,0 Current State: 76:[7, 33], Operations: ['50-43=7', '25+8=33'] Exploring Operation: 33-7=26, Resulting Numbers: [26] 26,76 unequal: No Solution Exploring Operation: 7*33=231, Resulting Numbers: [231] 231,76 unequal: No Solution Exploring Operation: 7+33=40, Resulting Numbers: [40] 40,76 unequal: No Solution Moving to Node #0,4,4 Current State: 76:[8, 32], Operations: ['50-43=7', '25+7=32'] Exploring Operation: 32-8=24, Resulting Numbers: [24] 24,76 unequal: No Solution Exploring Operation: 32/8=4, Resulting Numbers: [4] 4,76 unequal: No Solution Exploring Operation: 8+32=40, Resulting Numbers: [40] 40,76 unequal: No Solution Exploring Operation: 8*32=256, Resulting Numbers: [256] 256,76 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 Current State: 76:[25, 43, 42], Operations: ['50-8=42'] Exploring Operation: 42-25=17, Resulting Numbers: [43, 17] Generated Node #0,0,0: 76:[43, 17] Operation: 42-25=17 Exploring Operation: 43-42=1, Resulting Numbers: [25, 1] Generated Node #0,0,1: 76:[25, 1] Operation: 43-42=1 Exploring Operation: 43-25=18, Resulting Numbers: [42, 18] Generated Node #0,0,2: 76:[42, 18] Operation: 43-25=18 Exploring Operation: 25+42=67, Resulting Numbers: [43, 67] Generated Node #0,0,3: 76:[43, 67] Operation: 25+42=67 Exploring Operation: 25+43=68, Resulting Numbers: [42, 68] Generated Node #0,0,4: 76:[42, 68] Operation: 25+43=68 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 76:[42, 18], Operations: ['50-8=42', '43-25=18'] Exploring Operation: 42+18=60, Resulting Numbers: [60] 60,76 unequal: No Solution Exploring Operation: 42-18=24, Resulting Numbers: [24] 24,76 unequal: No Solution Exploring Operation: 42*18=756, Resulting Numbers: [756] 756,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 76:[43, 17], Operations: ['50-8=42', '42-25=17'] Exploring Operation: 43+17=60, Resulting Numbers: [60] 60,76 unequal: No Solution Exploring Operation: 43-17=26, Resulting Numbers: [26] 26,76 unequal: No Solution Exploring Operation: 43*17=731, Resulting Numbers: [731] 731,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 76:[25, 1], Operations: ['50-8=42', '43-42=1'] Exploring Operation: 25/1=25, Resulting Numbers: [25] 25,76 unequal: No Solution Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,76 unequal: No Solution Exploring Operation: 25+1=26, Resulting Numbers: [26] 26,76 unequal: No Solution Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 76:[42, 68], Operations: ['50-8=42', '25+43=68'] Exploring Operation: 68-42=26, Resulting Numbers: [26] 26,76 unequal: No Solution Exploring Operation: 42+68=110, Resulting Numbers: [110] 110,76 unequal: No Solution Exploring Operation: 42*68=2856, Resulting Numbers: [2856] 2856,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 76:[43, 67], Operations: ['50-8=42', '25+42=67'] Exploring Operation: 43+67=110, Resulting Numbers: [110] 110,76 unequal: No Solution Exploring Operation: 43*67=2881, Resulting Numbers: [2881] 2881,76 unequal: No Solution Exploring Operation: 67-43=24, Resulting Numbers: [24] 24,76 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 #0,3 Current State: 76:[43, 8, 25], Operations: ['50-25=25'] Exploring Operation: 25-8=17, Resulting Numbers: [43, 17] Generated Node #0,3,0: 76:[43, 17] Operation: 25-8=17 Exploring Operation: 8+25=33, Resulting Numbers: [43, 33] Generated Node #0,3,1: 76:[43, 33] Operation: 8+25=33 Exploring Operation: 43+25=68, Resulting Numbers: [8, 68] Generated Node #0,3,2: 76:[8, 68] Operation: 43+25=68 Exploring Operation: 43-8=35, Resulting Numbers: [25, 35] Generated Node #0,3,3: 76:[25, 35] Operation: 43-8=35 Exploring Operation: 43-25=18, Resulting Numbers: [8, 18] Generated Node #0,3,4: 76:[8, 18] Operation: 43-25=18 Moving to Node #0,3,4 Current State: 76:[8, 18], Operations: ['50-25=25', '43-25=18'] Exploring Operation: 8*18=144, Resulting Numbers: [144] 144,76 unequal: No Solution Exploring Operation: 8+18=26, Resulting Numbers: [26] 26,76 unequal: No Solution Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,76 unequal: No Solution Moving to Node #0,3,0 Current State: 76:[43, 17], Operations: ['50-25=25', '25-8=17'] Exploring Operation: 43*17=731, Resulting Numbers: [731] 731,76 unequal: No Solution Exploring Operation: 43+17=60, Resulting Numbers: [60] 60,76 unequal: No Solution Exploring Operation: 43-17=26, Resulting Numbers: [26] 26,76 unequal: No Solution Moving to Node #0,3,3 Current State: 76:[25, 35], Operations: ['50-25=25', '43-8=35'] Exploring Operation: 25+35=60, Resulting Numbers: [60] 60,76 unequal: No Solution Exploring Operation: 35-25=10, Resulting Numbers: [10] 10,76 unequal: No Solution Exploring Operation: 25*35=875, Resulting Numbers: [875] 875,76 unequal: No Solution Moving to Node #0,3,1 Current State: 76:[43, 33], Operations: ['50-25=25', '8+25=33'] Exploring Operation: 43-33=10, Resulting Numbers: [10] 10,76 unequal: No Solution Exploring Operation: 43+33=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[25, 43, 50, 8], Operations: [] Exploring Operation: 50-25=25, Resulting Numbers: [43, 8, 25] Generated Node #0,3: 76:[43, 8, 25] Operation: 50-25=25 Moving to Node #0,3 Current State: 76:[43, 8, 25], Operations: ['50-25=25'] Exploring Operation: 8+25=33, Resulting Numbers: [43, 33] Generated Node #0,3,1: 76:[43, 33] Operation: 8+25=33 Moving to Node #0,3,1 Current State: 76:[43, 33], Operations: ['50-25=25', '8+25=33'] Exploring Operation: 43+33=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.905382
hs_5
sum_heuristic
[ 86, 24, 31, 72 ]
36
[ "86-24=62", "31*72=2232", "2232/62=36" ]
Current State: 36:[86, 24, 31, 72], Operations: [] Exploring Operation: 86-24=62, Resulting Numbers: [31, 72, 62] Generated Node #2: [31, 72, 62] from Operation: 86-24=62 Current State: 36:[31, 72, 62], Operations: ['86-24=62'] Exploring Operation: 31*72=2232, Resulting Numbers: [62, 2232] Generated Node #3: [62, 2232] from Operation: 31*72=2232 Current State: 36:[62, 2232], Operations: ['86-24=62', '31*72=2232'] Exploring Operation: 2232/62=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[86, 24, 31, 72], Operations: [] Exploring Operation: 86-72=14, Resulting Numbers: [24, 31, 14] Generated Node #0,0: 36:[24, 31, 14] Operation: 86-72=14 Exploring Operation: 86-31=55, Resulting Numbers: [24, 72, 55] Generated Node #0,1: 36:[24, 72, 55] Operation: 86-31=55 Exploring Operation: 72/24=3, Resulting Numbers: [86, 31, 3] Generated Node #0,2: 36:[86, 31, 3] Operation: 72/24=3 Moving to Node #0,0 Current State: 36:[24, 31, 14], Operations: ['86-72=14'] Exploring Operation: 24-14=10, Resulting Numbers: [31, 10] Generated Node #0,0,0: 36:[31, 10] Operation: 24-14=10 Exploring Operation: 31-24=7, Resulting Numbers: [14, 7] Generated Node #0,0,1: 36:[14, 7] Operation: 31-24=7 Exploring Operation: 24+14=38, Resulting Numbers: [31, 38] Generated Node #0,0,2: 36:[31, 38] Operation: 24+14=38 Moving to Node #0,2 Current State: 36:[86, 31, 3], Operations: ['72/24=3'] Exploring Operation: 86-31=55, Resulting Numbers: [3, 55] Generated Node #0,2,0: 36:[3, 55] Operation: 86-31=55 Exploring Operation: 86-3=83, Resulting Numbers: [31, 83] Generated Node #0,2,1: 36:[31, 83] Operation: 86-3=83 Exploring Operation: 31+3=34, Resulting Numbers: [86, 34] Generated Node #0,2,2: 36:[86, 34] Operation: 31+3=34 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 36:[3, 55], Operations: ['72/24=3', '86-31=55'] Exploring Operation: 3+55=58, Resulting Numbers: [58] 58,36 unequal: No Solution Exploring Operation: 3*55=165, Resulting Numbers: [165] 165,36 unequal: No Solution Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 36:[31, 83], Operations: ['72/24=3', '86-3=83'] Exploring Operation: 31+83=114, Resulting Numbers: [114] 114,36 unequal: No Solution Exploring Operation: 83-31=52, Resulting Numbers: [52] 52,36 unequal: No Solution Exploring Operation: 31*83=2573, Resulting Numbers: [2573] 2573,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 36:[86, 34], Operations: ['72/24=3', '31+3=34'] Exploring Operation: 86*34=2924, Resulting Numbers: [2924] 2924,36 unequal: No Solution Exploring Operation: 86-34=52, Resulting Numbers: [52] 52,36 unequal: No Solution Exploring Operation: 86+34=120, Resulting Numbers: [120] 120,36 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: 36:[24, 72, 55], Operations: ['86-31=55'] Exploring Operation: 72/24=3, Resulting Numbers: [55, 3] Generated Node #0,1,0: 36:[55, 3] Operation: 72/24=3 Exploring Operation: 72-24=48, Resulting Numbers: [55, 48] Generated Node #0,1,1: 36:[55, 48] Operation: 72-24=48 Exploring Operation: 72-55=17, Resulting Numbers: [24, 17] Generated Node #0,1,2: 36:[24, 17] Operation: 72-55=17 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 36:[24, 17], Operations: ['86-31=55', '72-55=17'] Exploring Operation: 24+17=41, Resulting Numbers: [41] 41,36 unequal: No Solution Exploring Operation: 24-17=7, Resulting Numbers: [7] 7,36 unequal: No Solution Exploring Operation: 24*17=408, Resulting Numbers: [408] 408,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 36:[55, 3], Operations: ['86-31=55', '72/24=3'] Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,36 unequal: No Solution Exploring Operation: 55+3=58, Resulting Numbers: [58] 58,36 unequal: No Solution Exploring Operation: 55*3=165, Resulting Numbers: [165] 165,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 36:[55, 48], Operations: ['86-31=55', '72-24=48'] Exploring Operation: 55+48=103, Resulting Numbers: [103] 103,36 unequal: No Solution Exploring Operation: 55-48=7, Resulting Numbers: [7] 7,36 unequal: No Solution Exploring Operation: 55*48=2640, Resulting Numbers: [2640] 2640,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 36:[14, 7], Operations: ['86-72=14', '31-24=7'] Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,36 unequal: No Solution Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,36 unequal: No Solution Exploring Operation: 14+7=21, Resulting Numbers: [21] 21,36 unequal: No Solution Moving to Node #0,0,0 Current State: 36:[31, 10], Operations: ['86-72=14', '24-14=10'] Exploring Operation: 31+10=41, Resulting Numbers: [41] 41,36 unequal: No Solution Exploring Operation: 31*10=310, Resulting Numbers: [310] 310,36 unequal: No Solution Exploring Operation: 31-10=21, Resulting Numbers: [21] 21,36 unequal: No Solution Moving to Node #0,0,2 Current State: 36:[31, 38], Operations: ['86-72=14', '24+14=38'] Exploring Operation: 38-31=7, Resulting Numbers: [7] 7,36 unequal: No Solution Exploring Operation: 31+38=69, Resulting Numbers: [69] 69,36 unequal: No Solution Exploring Operation: 31*38=1178, Resulting Numbers: [1178] 1178,36 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 80, 95, 27, 47 ]
91
[ "47-27=20", "80/20=4", "95-4=91" ]
Current State: 91:[80, 95, 27, 47], Operations: [] Exploring Operation: 47-27=20, Resulting Numbers: [80, 95, 20] Generated Node #2: [80, 95, 20] from Operation: 47-27=20 Current State: 91:[80, 95, 20], Operations: ['47-27=20'] Exploring Operation: 80/20=4, Resulting Numbers: [95, 4] Generated Node #3: [95, 4] from Operation: 80/20=4 Current State: 91:[95, 4], Operations: ['47-27=20', '80/20=4'] Exploring Operation: 95-4=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[80, 95, 27, 47], Operations: [] Exploring Operation: 47-27=20, Resulting Numbers: [80, 95, 20] Generated Node #0,0: 91:[80, 95, 20] Operation: 47-27=20 Moving to Node #0,0 Current State: 91:[80, 95, 20], Operations: ['47-27=20'] Exploring Operation: 80/20=4, Resulting Numbers: [95, 4] Generated Node #0,0,0: 91:[95, 4] Operation: 80/20=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 91:[95, 4], Operations: ['47-27=20', '80/20=4'] Exploring Operation: 95-4=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[80, 95, 27, 47], Operations: [] Exploring Operation: 47-27=20, Resulting Numbers: [80, 95, 20] Generated Node #0,0: 91:[80, 95, 20] Operation: 47-27=20 Moving to Node #0,0 Current State: 91:[80, 95, 20], Operations: ['47-27=20'] Exploring Operation: 80/20=4, Resulting Numbers: [95, 4] Generated Node #0,0,0: 91:[95, 4] Operation: 80/20=4 Moving to Node #0,0,0 Current State: 91:[95, 4], Operations: ['47-27=20', '80/20=4'] Exploring Operation: 95-4=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 13, 12, 7, 20 ]
38
[ "13+12=25", "20-7=13", "25+13=38" ]
Current State: 38:[13, 12, 7, 20], Operations: [] Exploring Operation: 13+12=25, Resulting Numbers: [7, 20, 25] Generated Node #2: [7, 20, 25] from Operation: 13+12=25 Current State: 38:[7, 20, 25], Operations: ['13+12=25'] Exploring Operation: 20-7=13, Resulting Numbers: [25, 13] Generated Node #3: [25, 13] from Operation: 20-7=13 Current State: 38:[25, 13], Operations: ['13+12=25', '20-7=13'] Exploring Operation: 25+13=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[13, 12, 7, 20], Operations: [] Exploring Operation: 12+7=19, Resulting Numbers: [13, 20, 19] Generated Node #0,0: 38:[13, 20, 19] Operation: 12+7=19 Exploring Operation: 13-12=1, Resulting Numbers: [7, 20, 1] Generated Node #0,1: 38:[7, 20, 1] Operation: 13-12=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 38:[13, 20, 19], Operations: ['12+7=19'] Exploring Operation: 13+20=33, Resulting Numbers: [19, 33] Generated Node #0,0,0: 38:[19, 33] Operation: 13+20=33 Exploring Operation: 20-13=7, Resulting Numbers: [19, 7] Generated Node #0,0,1: 38:[19, 7] Operation: 20-13=7 Moving to Node #0,0,0 Current State: 38:[19, 33], Operations: ['12+7=19', '13+20=33'] Exploring Operation: 19+33=52, Resulting Numbers: [52] 52,38 unequal: No Solution Exploring Operation: 33-19=14, Resulting Numbers: [14] 14,38 unequal: No Solution Moving to Node #0,0,1 Current State: 38:[19, 7], Operations: ['12+7=19', '20-13=7'] Exploring Operation: 19-7=12, Resulting Numbers: [12] 12,38 unequal: No Solution Exploring Operation: 19+7=26, Resulting Numbers: [26] 26,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 38:[7, 20, 1], Operations: ['13-12=1'] Exploring Operation: 7-1=6, Resulting Numbers: [20, 6] Generated Node #0,1,0: 38:[20, 6] Operation: 7-1=6 Exploring Operation: 20-1=19, Resulting Numbers: [7, 19] Generated Node #0,1,1: 38:[7, 19] Operation: 20-1=19 Moving to Node #0,1,0 Current State: 38:[20, 6], Operations: ['13-12=1', '7-1=6'] Exploring Operation: 20+6=26, Resulting Numbers: [26] 26,38 unequal: No Solution Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,38 unequal: No Solution Moving to Node #0,1,1 Current State: 38:[7, 19], Operations: ['13-12=1', '20-1=19'] Exploring Operation: 7+19=26, Resulting Numbers: [26] 26,38 unequal: No Solution Exploring Operation: 19-7=12, Resulting Numbers: [12] 12,38 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
[ 18, 98, 31, 23 ]
62
[ "18+98=116", "31+23=54", "116-54=62" ]
Current State: 62:[18, 98, 31, 23], Operations: [] Exploring Operation: 18+98=116, Resulting Numbers: [31, 23, 116] Generated Node #2: [31, 23, 116] from Operation: 18+98=116 Current State: 62:[31, 23, 116], Operations: ['18+98=116'] Exploring Operation: 31+23=54, Resulting Numbers: [116, 54] Generated Node #3: [116, 54] from Operation: 31+23=54 Current State: 62:[116, 54], Operations: ['18+98=116', '31+23=54'] Exploring Operation: 116-54=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[18, 98, 31, 23], Operations: [] Exploring Operation: 98-31=67, Resulting Numbers: [18, 23, 67] Generated Node #0,0: 62:[18, 23, 67] Operation: 98-31=67 Exploring Operation: 98-18=80, Resulting Numbers: [31, 23, 80] Generated Node #0,1: 62:[31, 23, 80] Operation: 98-18=80 Start Sub Search at level 1: Moving to Node #0,0 Current State: 62:[18, 23, 67], Operations: ['98-31=67'] Exploring Operation: 23-18=5, Resulting Numbers: [67, 5] Generated Node #0,0,0: 62:[67, 5] Operation: 23-18=5 Exploring Operation: 18+23=41, Resulting Numbers: [67, 41] Generated Node #0,0,1: 62:[67, 41] Operation: 18+23=41 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 62:[67, 5], Operations: ['98-31=67', '23-18=5'] Exploring Operation: 67+5=72, Resulting Numbers: [72] 72,62 unequal: No Solution Exploring Operation: 67-5=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[18, 98, 31, 23], Operations: [] Exploring Operation: 98-31=67, Resulting Numbers: [18, 23, 67] Generated Node #0,0: 62:[18, 23, 67] Operation: 98-31=67 Moving to Node #0,0 Current State: 62:[18, 23, 67], Operations: ['98-31=67'] Exploring Operation: 23-18=5, Resulting Numbers: [67, 5] Generated Node #0,0,0: 62:[67, 5] Operation: 23-18=5 Moving to Node #0,0,0 Current State: 62:[67, 5], Operations: ['98-31=67', '23-18=5'] Exploring Operation: 67-5=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 2, 33, 53, 11 ]
54
[ "53-2=51", "33/11=3", "51+3=54" ]
Current State: 54:[2, 33, 53, 11], Operations: [] Exploring Operation: 53-2=51, Resulting Numbers: [33, 11, 51] Generated Node #2: [33, 11, 51] from Operation: 53-2=51 Current State: 54:[33, 11, 51], Operations: ['53-2=51'] Exploring Operation: 33/11=3, Resulting Numbers: [51, 3] Generated Node #3: [51, 3] from Operation: 33/11=3 Current State: 54:[51, 3], Operations: ['53-2=51', '33/11=3'] Exploring Operation: 51+3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[2, 33, 53, 11], Operations: [] Exploring Operation: 53-33=20, Resulting Numbers: [2, 11, 20] Generated Node #0,0: 54:[2, 11, 20] Operation: 53-33=20 Exploring Operation: 33/11=3, Resulting Numbers: [2, 53, 3] Generated Node #0,1: 54:[2, 53, 3] Operation: 33/11=3 Exploring Operation: 33-11=22, Resulting Numbers: [2, 53, 22] Generated Node #0,2: 54:[2, 53, 22] Operation: 33-11=22 Exploring Operation: 33-2=31, Resulting Numbers: [53, 11, 31] Generated Node #0,3: 54:[53, 11, 31] Operation: 33-2=31 Exploring Operation: 11-2=9, Resulting Numbers: [33, 53, 9] Generated Node #0,4: 54:[33, 53, 9] Operation: 11-2=9 Start Sub Search at level 1: Moving to Node #0,1 Current State: 54:[2, 53, 3], Operations: ['33/11=3'] Exploring Operation: 53+3=56, Resulting Numbers: [2, 56] Generated Node #0,1,0: 54:[2, 56] Operation: 53+3=56 Exploring Operation: 2*3=6, Resulting Numbers: [53, 6] Generated Node #0,1,1: 54:[53, 6] Operation: 2*3=6 Exploring Operation: 2+53=55, Resulting Numbers: [3, 55] Generated Node #0,1,2: 54:[3, 55] Operation: 2+53=55 Exploring Operation: 2+3=5, Resulting Numbers: [53, 5] Generated Node #0,1,3: 54:[53, 5] Operation: 2+3=5 Exploring Operation: 3-2=1, Resulting Numbers: [53, 1] Generated Node #0,1,4: 54:[53, 1] Operation: 3-2=1 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 54:[53, 6], Operations: ['33/11=3', '2*3=6'] Exploring Operation: 53*6=318, Resulting Numbers: [318] 318,54 unequal: No Solution Exploring Operation: 53-6=47, Resulting Numbers: [47] 47,54 unequal: No Solution Exploring Operation: 53+6=59, Resulting Numbers: [59] 59,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 54:[3, 55], Operations: ['33/11=3', '2+53=55'] Exploring Operation: 3*55=165, Resulting Numbers: [165] 165,54 unequal: No Solution Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,54 unequal: No Solution Exploring Operation: 3+55=58, Resulting Numbers: [58] 58,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 54:[2, 56], Operations: ['33/11=3', '53+3=56'] Exploring Operation: 2+56=58, Resulting Numbers: [58] 58,54 unequal: No Solution Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[2, 33, 53, 11], Operations: [] Exploring Operation: 33/11=3, Resulting Numbers: [2, 53, 3] Generated Node #0,1: 54:[2, 53, 3] Operation: 33/11=3 Moving to Node #0,1 Current State: 54:[2, 53, 3], Operations: ['33/11=3'] Exploring Operation: 53+3=56, Resulting Numbers: [2, 56] Generated Node #0,1,0: 54:[2, 56] Operation: 53+3=56 Moving to Node #0,1,0 Current State: 54:[2, 56], Operations: ['33/11=3', '53+3=56'] Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980903
hs_5
mult_heuristic
[ 6, 41, 29, 68 ]
23
[ "41+29=70", "68+70=138", "138/6=23" ]
Current State: 23:[6, 41, 29, 68], Operations: [] Exploring Operation: 41+29=70, Resulting Numbers: [6, 68, 70] Generated Node #2: [6, 68, 70] from Operation: 41+29=70 Current State: 23:[6, 68, 70], Operations: ['41+29=70'] Exploring Operation: 68+70=138, Resulting Numbers: [6, 138] Generated Node #3: [6, 138] from Operation: 68+70=138 Current State: 23:[6, 138], Operations: ['41+29=70', '68+70=138'] Exploring Operation: 138/6=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[6, 41, 29, 68], Operations: [] Exploring Operation: 68-41=27, Resulting Numbers: [6, 29, 27] Generated Node #0,0: 23:[6, 29, 27] Operation: 68-41=27 Exploring Operation: 68-29=39, Resulting Numbers: [6, 41, 39] Generated Node #0,1: 23:[6, 41, 39] Operation: 68-29=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[6, 29, 27], Operations: ['68-41=27'] Exploring Operation: 29-6=23, Resulting Numbers: [27, 23] Generated Node #0,0,0: 23:[27, 23] Operation: 29-6=23 Exploring Operation: 27-6=21, Resulting Numbers: [29, 21] Generated Node #0,0,1: 23:[29, 21] Operation: 27-6=21 Moving to Node #0,0,0 Current State: 23:[27, 23], Operations: ['68-41=27', '29-6=23'] Exploring Operation: 27+23=50, Resulting Numbers: [50] 50,23 unequal: No Solution Exploring Operation: 27-23=4, Resulting Numbers: [4] 4,23 unequal: No Solution Moving to Node #0,0,1 Current State: 23:[29, 21], Operations: ['68-41=27', '27-6=21'] Exploring Operation: 29+21=50, Resulting Numbers: [50] 50,23 unequal: No Solution Exploring Operation: 29-21=8, Resulting Numbers: [8] 8,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[6, 41, 39], Operations: ['68-29=39'] Exploring Operation: 39-6=33, Resulting Numbers: [41, 33] Generated Node #0,1,0: 23:[41, 33] Operation: 39-6=33 Exploring Operation: 41-6=35, Resulting Numbers: [39, 35] Generated Node #0,1,1: 23:[39, 35] Operation: 41-6=35 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 23:[41, 33], Operations: ['68-29=39', '39-6=33'] Exploring Operation: 41+33=74, Resulting Numbers: [74] 74,23 unequal: No Solution Exploring Operation: 41-33=8, Resulting Numbers: [8] 8,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 23:[39, 35], Operations: ['68-29=39', '41-6=35'] Exploring Operation: 39-35=4, Resulting Numbers: [4] 4,23 unequal: No Solution Exploring Operation: 39+35=74, Resulting Numbers: [74] 74,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 32, 1, 24, 69 ]
96
[ "32*69=2208", "24-1=23", "2208/23=96" ]
Current State: 96:[32, 1, 24, 69], Operations: [] Exploring Operation: 32*69=2208, Resulting Numbers: [1, 24, 2208] Generated Node #2: [1, 24, 2208] from Operation: 32*69=2208 Current State: 96:[1, 24, 2208], Operations: ['32*69=2208'] Exploring Operation: 24-1=23, Resulting Numbers: [2208, 23] Generated Node #3: [2208, 23] from Operation: 24-1=23 Current State: 96:[2208, 23], Operations: ['32*69=2208', '24-1=23'] Exploring Operation: 2208/23=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[32, 1, 24, 69], Operations: [] Exploring Operation: 69-24=45, Resulting Numbers: [32, 1, 45] Generated Node #0,0: 96:[32, 1, 45] Operation: 69-24=45 Exploring Operation: 24+69=93, Resulting Numbers: [32, 1, 93] Generated Node #0,1: 96:[32, 1, 93] Operation: 24+69=93 Exploring Operation: 32+69=101, Resulting Numbers: [1, 24, 101] Generated Node #0,2: 96:[1, 24, 101] Operation: 32+69=101 Exploring Operation: 69-32=37, Resulting Numbers: [1, 24, 37] Generated Node #0,3: 96:[1, 24, 37] Operation: 69-32=37 Moving to Node #0,0 Current State: 96:[32, 1, 45], Operations: ['69-24=45'] Exploring Operation: 32*1=32, Resulting Numbers: [45, 32] Generated Node #0,0,0: 96:[45, 32] Operation: 32*1=32 Exploring Operation: 32/1=32, Resulting Numbers: [45, 32] Generated Node #0,0,1: 96:[45, 32] Operation: 32/1=32 Exploring Operation: 1+45=46, Resulting Numbers: [32, 46] Generated Node #0,0,2: 96:[32, 46] Operation: 1+45=46 Exploring Operation: 45-32=13, Resulting Numbers: [1, 13] Generated Node #0,0,3: 96:[1, 13] Operation: 45-32=13 Moving to Node #0,1 Current State: 96:[32, 1, 93], Operations: ['24+69=93'] Exploring Operation: 1*93=93, Resulting Numbers: [32, 93] Generated Node #0,1,0: 96:[32, 93] Operation: 1*93=93 Exploring Operation: 1+93=94, Resulting Numbers: [32, 94] Generated Node #0,1,1: 96:[32, 94] Operation: 1+93=94 Exploring Operation: 32/1=32, Resulting Numbers: [93, 32] Generated Node #0,1,2: 96:[93, 32] Operation: 32/1=32 Exploring Operation: 32*1=32, Resulting Numbers: [93, 32] Generated Node #0,1,3: 96:[93, 32] Operation: 32*1=32 Moving to Node #0,3 Current State: 96:[1, 24, 37], Operations: ['69-32=37'] Exploring Operation: 37-24=13, Resulting Numbers: [1, 13] Generated Node #0,3,0: 96:[1, 13] Operation: 37-24=13 Exploring Operation: 24/1=24, Resulting Numbers: [37, 24] Generated Node #0,3,1: 96:[37, 24] Operation: 24/1=24 Exploring Operation: 1*24=24, Resulting Numbers: [37, 24] Generated Node #0,3,2: 96:[37, 24] Operation: 1*24=24 Exploring Operation: 37-1=36, Resulting Numbers: [24, 36] Generated Node #0,3,3: 96:[24, 36] Operation: 37-1=36 Moving to Node #0,2 Current State: 96:[1, 24, 101], Operations: ['32+69=101'] Exploring Operation: 24/1=24, Resulting Numbers: [101, 24] Generated Node #0,2,0: 96:[101, 24] Operation: 24/1=24 Exploring Operation: 1*24=24, Resulting Numbers: [101, 24] Generated Node #0,2,1: 96:[101, 24] Operation: 1*24=24 Exploring Operation: 101-1=100, Resulting Numbers: [24, 100] Generated Node #0,2,2: 96:[24, 100] Operation: 101-1=100 Exploring Operation: 1*101=101, Resulting Numbers: [24, 101] Generated Node #0,2,3: 96:[24, 101] Operation: 1*101=101 Moving to Node #0,0,2 Current State: 96:[32, 46], Operations: ['69-24=45', '1+45=46'] Exploring Operation: 32+46=78, Resulting Numbers: [78] 78,96 unequal: No Solution Exploring Operation: 32*46=1472, Resulting Numbers: [1472] 1472,96 unequal: No Solution Exploring Operation: 46-32=14, Resulting Numbers: [14] 14,96 unequal: No Solution Moving to Node #0,0,3 Current State: 96:[1, 13], Operations: ['69-24=45', '45-32=13'] Exploring Operation: 13-1=12, Resulting Numbers: [12] 12,96 unequal: No Solution Exploring Operation: 1*13=13, Resulting Numbers: [13] 13,96 unequal: No Solution Exploring Operation: 13/1=13, Resulting Numbers: [13] 13,96 unequal: No Solution Exploring Operation: 1+13=14, Resulting Numbers: [14] 14,96 unequal: No Solution Moving to Node #0,1,1 Current State: 96:[32, 94], Operations: ['24+69=93', '1+93=94'] Exploring Operation: 94-32=62, Resulting Numbers: [62] 62,96 unequal: No Solution Exploring Operation: 32*94=3008, Resulting Numbers: [3008] 3008,96 unequal: No Solution Exploring Operation: 32+94=126, Resulting Numbers: [126] 126,96 unequal: No Solution Moving to Node #0,3,0 Current State: 96:[1, 13], Operations: ['69-32=37', '37-24=13'] Exploring Operation: 1*13=13, Resulting Numbers: [13] 13,96 unequal: No Solution Exploring Operation: 13/1=13, Resulting Numbers: [13] 13,96 unequal: No Solution Exploring Operation: 13-1=12, Resulting Numbers: [12] 12,96 unequal: No Solution Exploring Operation: 1+13=14, Resulting Numbers: [14] 14,96 unequal: No Solution Moving to Node #0,0,0 Current State: 96:[45, 32], Operations: ['69-24=45', '32*1=32'] Exploring Operation: 45*32=1440, Resulting Numbers: [1440] 1440,96 unequal: No Solution Exploring Operation: 45-32=13, Resulting Numbers: [13] 13,96 unequal: No Solution Exploring Operation: 45+32=77, Resulting Numbers: [77] 77,96 unequal: No Solution Moving to Node #0,1,2 Current State: 96:[93, 32], Operations: ['24+69=93', '32/1=32'] Exploring Operation: 93*32=2976, Resulting Numbers: [2976] 2976,96 unequal: No Solution Exploring Operation: 93+32=125, Resulting Numbers: [125] 125,96 unequal: No Solution Exploring Operation: 93-32=61, Resulting Numbers: [61] 61,96 unequal: No Solution Moving to Node #0,1,0 Current State: 96:[32, 93], Operations: ['24+69=93', '1*93=93'] Exploring Operation: 93-32=61, Resulting Numbers: [61] 61,96 unequal: No Solution Exploring Operation: 32+93=125, Resulting Numbers: [125] 125,96 unequal: No Solution Exploring Operation: 32*93=2976, Resulting Numbers: [2976] 2976,96 unequal: No Solution Moving to Node #0,0,1 Current State: 96:[45, 32], Operations: ['69-24=45', '32/1=32'] Exploring Operation: 45*32=1440, Resulting Numbers: [1440] 1440,96 unequal: No Solution Exploring Operation: 45-32=13, Resulting Numbers: [13] 13,96 unequal: No Solution Exploring Operation: 45+32=77, Resulting Numbers: [77] 77,96 unequal: No Solution Moving to Node #0,1,3 Current State: 96:[93, 32], Operations: ['24+69=93', '32*1=32'] Exploring Operation: 93-32=61, Resulting Numbers: [61] 61,96 unequal: No Solution Exploring Operation: 93+32=125, Resulting Numbers: [125] 125,96 unequal: No Solution Exploring Operation: 93*32=2976, Resulting Numbers: [2976] 2976,96 unequal: No Solution Moving to Node #0,2,2 Current State: 96:[24, 100], Operations: ['32+69=101', '101-1=100'] Exploring Operation: 24*100=2400, Resulting Numbers: [2400] 2400,96 unequal: No Solution Exploring Operation: 24+100=124, Resulting Numbers: [124] 124,96 unequal: No Solution Exploring Operation: 100-24=76, Resulting Numbers: [76] 76,96 unequal: No Solution Moving to Node #0,3,3 Current State: 96:[24, 36], Operations: ['69-32=37', '37-1=36'] Exploring Operation: 24*36=864, Resulting Numbers: [864] 864,96 unequal: No Solution Exploring Operation: 24+36=60, Resulting Numbers: [60] 60,96 unequal: No Solution Exploring Operation: 36-24=12, Resulting Numbers: [12] 12,96 unequal: No Solution Moving to Node #0,3,1 Current State: 96:[37, 24], Operations: ['69-32=37', '24/1=24'] Exploring Operation: 37*24=888, Resulting Numbers: [888] 888,96 unequal: No Solution Exploring Operation: 37-24=13, Resulting Numbers: [13] 13,96 unequal: No Solution Exploring Operation: 37+24=61, Resulting Numbers: [61] 61,96 unequal: No Solution Moving to Node #0,3,2 Current State: 96:[37, 24], Operations: ['69-32=37', '1*24=24'] Exploring Operation: 37-24=13, Resulting Numbers: [13] 13,96 unequal: No Solution Exploring Operation: 37*24=888, Resulting Numbers: [888] 888,96 unequal: No Solution Exploring Operation: 37+24=61, Resulting Numbers: [61] 61,96 unequal: No Solution Moving to Node #0,2,0 Current State: 96:[101, 24], Operations: ['32+69=101', '24/1=24'] Exploring Operation: 101*24=2424, Resulting Numbers: [2424] 2424,96 unequal: No Solution Exploring Operation: 101+24=125, Resulting Numbers: [125] 125,96 unequal: No Solution Exploring Operation: 101-24=77, Resulting Numbers: [77] 77,96 unequal: No Solution Moving to Node #0,2,3 Current State: 96:[24, 101], Operations: ['32+69=101', '1*101=101'] Exploring Operation: 24+101=125, Resulting Numbers: [125] 125,96 unequal: No Solution Exploring Operation: 101-24=77, Resulting Numbers: [77] 77,96 unequal: No Solution Exploring Operation: 24*101=2424, Resulting Numbers: [2424] 2424,96 unequal: No Solution Moving to Node #0,2,1 Current State: 96:[101, 24], Operations: ['32+69=101', '1*24=24'] Exploring Operation: 101-24=77, Resulting Numbers: [77] 77,96 unequal: No Solution Exploring Operation: 101+24=125, Resulting Numbers: [125] 125,96 unequal: No Solution Exploring Operation: 101*24=2424, Resulting Numbers: [2424] 2424,96 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 69, 76, 26, 47 ]
19
[ "69-26=43", "47-43=4", "76/4=19" ]
Current State: 19:[69, 76, 26, 47], Operations: [] Exploring Operation: 69-26=43, Resulting Numbers: [76, 47, 43] Generated Node #2: [76, 47, 43] from Operation: 69-26=43 Current State: 19:[76, 47, 43], Operations: ['69-26=43'] Exploring Operation: 47-43=4, Resulting Numbers: [76, 4] Generated Node #3: [76, 4] from Operation: 47-43=4 Current State: 19:[76, 4], Operations: ['69-26=43', '47-43=4'] Exploring Operation: 76/4=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[69, 76, 26, 47], Operations: [] Exploring Operation: 76-69=7, Resulting Numbers: [26, 47, 7] Generated Node #0,0: 19:[26, 47, 7] Operation: 76-69=7 Exploring Operation: 69-47=22, Resulting Numbers: [76, 26, 22] Generated Node #0,1: 19:[76, 26, 22] Operation: 69-47=22 Moving to Node #0,0 Current State: 19:[26, 47, 7], Operations: ['76-69=7'] Exploring Operation: 26-7=19, Resulting Numbers: [47, 19] Generated Node #0,0,0: 19:[47, 19] Operation: 26-7=19 Exploring Operation: 47-26=21, Resulting Numbers: [7, 21] Generated Node #0,0,1: 19:[7, 21] Operation: 47-26=21 Moving to Node #0,1 Current State: 19:[76, 26, 22], Operations: ['69-47=22'] Exploring Operation: 76-22=54, Resulting Numbers: [26, 54] Generated Node #0,1,0: 19:[26, 54] Operation: 76-22=54 Exploring Operation: 76-26=50, Resulting Numbers: [22, 50] Generated Node #0,1,1: 19:[22, 50] Operation: 76-26=50 Moving to Node #0,0,1 Current State: 19:[7, 21], Operations: ['76-69=7', '47-26=21'] Exploring Operation: 21-7=14, Resulting Numbers: [14] 14,19 unequal: No Solution Exploring Operation: 7+21=28, Resulting Numbers: [28] 28,19 unequal: No Solution Moving to Node #0,0,0 Current State: 19:[47, 19], Operations: ['76-69=7', '26-7=19'] Exploring Operation: 47+19=66, Resulting Numbers: [66] 66,19 unequal: No Solution Exploring Operation: 47-19=28, Resulting Numbers: [28] 28,19 unequal: No Solution Moving to Node #0,1,1 Current State: 19:[22, 50], Operations: ['69-47=22', '76-26=50'] Exploring Operation: 50-22=28, Resulting Numbers: [28] 28,19 unequal: No Solution Exploring Operation: 22+50=72, Resulting Numbers: [72] 72,19 unequal: No Solution Moving to Node #0,1,0 Current State: 19:[26, 54], Operations: ['69-47=22', '76-22=54'] Exploring Operation: 26+54=80, Resulting Numbers: [80] 80,19 unequal: No Solution Exploring Operation: 54-26=28, Resulting Numbers: [28] 28,19 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 82, 78, 55, 79 ]
28
[ "82-78=4", "79-55=24", "4+24=28" ]
Current State: 28:[82, 78, 55, 79], Operations: [] Exploring Operation: 82-78=4, Resulting Numbers: [55, 79, 4] Generated Node #2: [55, 79, 4] from Operation: 82-78=4 Current State: 28:[55, 79, 4], Operations: ['82-78=4'] Exploring Operation: 79-55=24, Resulting Numbers: [4, 24] Generated Node #3: [4, 24] from Operation: 79-55=24 Current State: 28:[4, 24], Operations: ['82-78=4', '79-55=24'] Exploring Operation: 4+24=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[82, 78, 55, 79], Operations: [] Exploring Operation: 82-78=4, Resulting Numbers: [55, 79, 4] Generated Node #0,0: 28:[55, 79, 4] Operation: 82-78=4 Exploring Operation: 82-79=3, Resulting Numbers: [78, 55, 3] Generated Node #0,1: 28:[78, 55, 3] Operation: 82-79=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[55, 79, 4], Operations: ['82-78=4'] Exploring Operation: 79-55=24, Resulting Numbers: [4, 24] Generated Node #0,0,0: 28:[4, 24] Operation: 79-55=24 Exploring Operation: 55-4=51, Resulting Numbers: [79, 51] Generated Node #0,0,1: 28:[79, 51] Operation: 55-4=51 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 28:[4, 24], Operations: ['82-78=4', '79-55=24'] Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,28 unequal: No Solution Exploring Operation: 4+24=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[82, 78, 55, 79], Operations: [] Exploring Operation: 82-78=4, Resulting Numbers: [55, 79, 4] Generated Node #0,0: 28:[55, 79, 4] Operation: 82-78=4 Moving to Node #0,0 Current State: 28:[55, 79, 4], Operations: ['82-78=4'] Exploring Operation: 79-55=24, Resulting Numbers: [4, 24] Generated Node #0,0,0: 28:[4, 24] Operation: 79-55=24 Moving to Node #0,0,0 Current State: 28:[4, 24], Operations: ['82-78=4', '79-55=24'] Exploring Operation: 4+24=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 24, 3, 3, 16 ]
91
[ "24*3=72", "3+16=19", "72+19=91" ]
Current State: 91:[24, 3, 3, 16], Operations: [] Exploring Operation: 24*3=72, Resulting Numbers: [16, 72] Generated Node #2: [16, 72] from Operation: 24*3=72 Current State: 91:[16, 72], Operations: ['24*3=72'] Exploring Operation: 3+16=19, Resulting Numbers: [72, 19] Generated Node #3: [72, 19] from Operation: 3+16=19 Current State: 91:[72, 19], Operations: ['24*3=72', '3+16=19'] Exploring Operation: 72+19=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[24, 3, 3, 16], Operations: [] Exploring Operation: 24-16=8, Resulting Numbers: [3, 3, 8] Generated Node #0,0: 91:[3, 3, 8] Operation: 24-16=8 Exploring Operation: 24/3=8, Resulting Numbers: [3, 16, 8] Generated Node #0,1: 91:[3, 16, 8] Operation: 24/3=8 Exploring Operation: 24/3=8, Resulting Numbers: [3, 16, 8] Generated Node #0,2: 91:[3, 16, 8] Operation: 24/3=8 Exploring Operation: 24-3=21, Resulting Numbers: [3, 16, 21] Generated Node #0,3: 91:[3, 16, 21] Operation: 24-3=21 Moving to Node #0,1 Current State: 91:[3, 16, 8], Operations: ['24/3=8'] Exploring Operation: 16-8=8, Resulting Numbers: [3, 8] Generated Node #0,1,0: 91:[3, 8] Operation: 16-8=8 Exploring Operation: 16-3=13, Resulting Numbers: [8, 13] Generated Node #0,1,1: 91:[8, 13] Operation: 16-3=13 Exploring Operation: 8-3=5, Resulting Numbers: [16, 5] Generated Node #0,1,2: 91:[16, 5] Operation: 8-3=5 Exploring Operation: 3+8=11, Resulting Numbers: [16, 11] Generated Node #0,1,3: 91:[16, 11] Operation: 3+8=11 Moving to Node #0,2 Current State: 91:[3, 16, 8], Operations: ['24/3=8'] Exploring Operation: 16-8=8, Resulting Numbers: [3, 8] Generated Node #0,2,0: 91:[3, 8] Operation: 16-8=8 Exploring Operation: 8-3=5, Resulting Numbers: [16, 5] Generated Node #0,2,1: 91:[16, 5] Operation: 8-3=5 Exploring Operation: 16-3=13, Resulting Numbers: [8, 13] Generated Node #0,2,2: 91:[8, 13] Operation: 16-3=13 Exploring Operation: 3+8=11, Resulting Numbers: [16, 11] Generated Node #0,2,3: 91:[16, 11] Operation: 3+8=11 Moving to Node #0,0 Current State: 91:[3, 3, 8], Operations: ['24-16=8'] Exploring Operation: 8-3=5, Resulting Numbers: [3, 5] Generated Node #0,0,0: 91:[3, 5] Operation: 8-3=5 Exploring Operation: 3*3=9, Resulting Numbers: [8, 9] Generated Node #0,0,1: 91:[8, 9] Operation: 3*3=9 Exploring Operation: 3+3=6, Resulting Numbers: [8, 6] Generated Node #0,0,2: 91:[8, 6] Operation: 3+3=6 Exploring Operation: 3+8=11, Resulting Numbers: [3, 11] Generated Node #0,0,3: 91:[3, 11] Operation: 3+8=11 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 91:[8, 6], Operations: ['24-16=8', '3+3=6'] Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,91 unequal: No Solution Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,91 unequal: No Solution Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 91:[8, 9], Operations: ['24-16=8', '3*3=9'] Exploring Operation: 8+9=17, Resulting Numbers: [17] 17,91 unequal: No Solution Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,91 unequal: No Solution Exploring Operation: 8*9=72, Resulting Numbers: [72] 72,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 91:[3, 5], Operations: ['24-16=8', '8-3=5'] Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,91 unequal: No Solution Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,91 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 91:[3, 11], Operations: ['24-16=8', '3+8=11'] Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,91 unequal: No Solution Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,91 unequal: No Solution Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,91 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: 91:[3, 16, 21], Operations: ['24-3=21'] Exploring Operation: 21-3=18, Resulting Numbers: [16, 18] Generated Node #0,3,0: 91:[16, 18] Operation: 21-3=18 Exploring Operation: 21-16=5, Resulting Numbers: [3, 5] Generated Node #0,3,1: 91:[3, 5] Operation: 21-16=5 Exploring Operation: 16-3=13, Resulting Numbers: [21, 13] Generated Node #0,3,2: 91:[21, 13] Operation: 16-3=13 Exploring Operation: 21/3=7, Resulting Numbers: [16, 7] Generated Node #0,3,3: 91:[16, 7] Operation: 21/3=7 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 91:[16, 7], Operations: ['24-3=21', '21/3=7'] Exploring Operation: 16*7=112, Resulting Numbers: [112] 112,91 unequal: No Solution Exploring Operation: 16+7=23, Resulting Numbers: [23] 23,91 unequal: No Solution Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 91:[3, 5], Operations: ['24-3=21', '21-16=5'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,91 unequal: No Solution Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,91 unequal: No Solution Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 91:[16, 18], Operations: ['24-3=21', '21-3=18'] Exploring Operation: 16*18=288, Resulting Numbers: [288] 288,91 unequal: No Solution Exploring Operation: 18-16=2, Resulting Numbers: [2] 2,91 unequal: No Solution Exploring Operation: 16+18=34, Resulting Numbers: [34] 34,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 91:[21, 13], Operations: ['24-3=21', '16-3=13'] Exploring Operation: 21+13=34, Resulting Numbers: [34] 34,91 unequal: No Solution Exploring Operation: 21*13=273, Resulting Numbers: [273] 273,91 unequal: No Solution Exploring Operation: 21-13=8, Resulting Numbers: [8] 8,91 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: 91:[8, 13], Operations: ['24/3=8', '16-3=13'] Exploring Operation: 13-8=5, Resulting Numbers: [5] 5,91 unequal: No Solution Exploring Operation: 8*13=104, Resulting Numbers: [104] 104,91 unequal: No Solution Exploring Operation: 8+13=21, Resulting Numbers: [21] 21,91 unequal: No Solution Moving to Node #0,2,2 Current State: 91:[8, 13], Operations: ['24/3=8', '16-3=13'] Exploring Operation: 13-8=5, Resulting Numbers: [5] 5,91 unequal: No Solution Exploring Operation: 8+13=21, Resulting Numbers: [21] 21,91 unequal: No Solution Exploring Operation: 8*13=104, Resulting Numbers: [104] 104,91 unequal: No Solution Moving to Node #0,1,2 Current State: 91:[16, 5], Operations: ['24/3=8', '8-3=5'] Exploring Operation: 16+5=21, Resulting Numbers: [21] 21,91 unequal: No Solution Exploring Operation: 16*5=80, Resulting Numbers: [80] 80,91 unequal: No Solution Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,91 unequal: No Solution Moving to Node #0,2,0 Current State: 91:[3, 8], Operations: ['24/3=8', '16-8=8'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,91 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,91 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,91 unequal: No Solution Moving to Node #0,2,1 Current State: 91:[16, 5], Operations: ['24/3=8', '8-3=5'] Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,91 unequal: No Solution Exploring Operation: 16*5=80, Resulting Numbers: [80] 80,91 unequal: No Solution Exploring Operation: 16+5=21, Resulting Numbers: [21] 21,91 unequal: No Solution Moving to Node #0,2,3 Current State: 91:[16, 11], Operations: ['24/3=8', '3+8=11'] Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,91 unequal: No Solution Exploring Operation: 16*11=176, Resulting Numbers: [176] 176,91 unequal: No Solution Exploring Operation: 16+11=27, Resulting Numbers: [27] 27,91 unequal: No Solution Moving to Node #0,1,0 Current State: 91:[3, 8], Operations: ['24/3=8', '16-8=8'] Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,91 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,91 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,91 unequal: No Solution Moving to Node #0,1,3 Current State: 91:[16, 11], Operations: ['24/3=8', '3+8=11'] Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,91 unequal: No Solution Exploring Operation: 16+11=27, Resulting Numbers: [27] 27,91 unequal: No Solution Exploring Operation: 16*11=176, Resulting Numbers: [176] 176,91 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 98, 1, 55, 83 ]
41
[ "98-1=97", "55+83=138", "138-97=41" ]
Current State: 41:[98, 1, 55, 83], Operations: [] Exploring Operation: 98-1=97, Resulting Numbers: [55, 83, 97] Generated Node #2: [55, 83, 97] from Operation: 98-1=97 Current State: 41:[55, 83, 97], Operations: ['98-1=97'] Exploring Operation: 55+83=138, Resulting Numbers: [97, 138] Generated Node #3: [97, 138] from Operation: 55+83=138 Current State: 41:[97, 138], Operations: ['98-1=97', '55+83=138'] Exploring Operation: 138-97=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[98, 1, 55, 83], Operations: [] Exploring Operation: 98-55=43, Resulting Numbers: [1, 83, 43] Generated Node #0,0: 41:[1, 83, 43] Operation: 98-55=43 Exploring Operation: 98-83=15, Resulting Numbers: [1, 55, 15] Generated Node #0,1: 41:[1, 55, 15] Operation: 98-83=15 Moving to Node #0,1 Current State: 41:[1, 55, 15], Operations: ['98-83=15'] Exploring Operation: 1+15=16, Resulting Numbers: [55, 16] Generated Node #0,1,0: 41:[55, 16] Operation: 1+15=16 Exploring Operation: 55-1=54, Resulting Numbers: [15, 54] Generated Node #0,1,1: 41:[15, 54] Operation: 55-1=54 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 41:[55, 16], Operations: ['98-83=15', '1+15=16'] Exploring Operation: 55+16=71, Resulting Numbers: [71] 71,41 unequal: No Solution Exploring Operation: 55-16=39, Resulting Numbers: [39] 39,41 unequal: No Solution No 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: 41:[15, 54], Operations: ['98-83=15', '55-1=54'] Exploring Operation: 54-15=39, Resulting Numbers: [39] 39,41 unequal: No Solution Exploring Operation: 15+54=69, Resulting Numbers: [69] 69,41 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: 41:[1, 83, 43], Operations: ['98-55=43'] Exploring Operation: 83-43=40, Resulting Numbers: [1, 40] Generated Node #0,0,0: 41:[1, 40] Operation: 83-43=40 Exploring Operation: 83-1=82, Resulting Numbers: [43, 82] Generated Node #0,0,1: 41:[43, 82] Operation: 83-1=82 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 41:[1, 40], Operations: ['98-55=43', '83-43=40'] Exploring Operation: 1+40=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[98, 1, 55, 83], Operations: [] Exploring Operation: 98-55=43, Resulting Numbers: [1, 83, 43] Generated Node #0,0: 41:[1, 83, 43] Operation: 98-55=43 Moving to Node #0,0 Current State: 41:[1, 83, 43], Operations: ['98-55=43'] Exploring Operation: 83-43=40, Resulting Numbers: [1, 40] Generated Node #0,0,0: 41:[1, 40] Operation: 83-43=40 Moving to Node #0,0,0 Current State: 41:[1, 40], Operations: ['98-55=43', '83-43=40'] Exploring Operation: 1+40=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 50, 30, 36, 42 ]
25
[ "50*36=1800", "30+42=72", "1800/72=25" ]
Current State: 25:[50, 30, 36, 42], Operations: [] Exploring Operation: 50*36=1800, Resulting Numbers: [30, 42, 1800] Generated Node #2: [30, 42, 1800] from Operation: 50*36=1800 Current State: 25:[30, 42, 1800], Operations: ['50*36=1800'] Exploring Operation: 30+42=72, Resulting Numbers: [1800, 72] Generated Node #3: [1800, 72] from Operation: 30+42=72 Current State: 25:[1800, 72], Operations: ['50*36=1800', '30+42=72'] Exploring Operation: 1800/72=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[50, 30, 36, 42], Operations: [] Exploring Operation: 42-36=6, Resulting Numbers: [50, 30, 6] Generated Node #0,0: 25:[50, 30, 6] Operation: 42-36=6 Exploring Operation: 50-36=14, Resulting Numbers: [30, 42, 14] Generated Node #0,1: 25:[30, 42, 14] Operation: 50-36=14 Exploring Operation: 50-42=8, Resulting Numbers: [30, 36, 8] Generated Node #0,2: 25:[30, 36, 8] Operation: 50-42=8 Exploring Operation: 36-30=6, Resulting Numbers: [50, 42, 6] Generated Node #0,3: 25:[50, 42, 6] Operation: 36-30=6 Exploring Operation: 50-30=20, Resulting Numbers: [36, 42, 20] Generated Node #0,4: 25:[36, 42, 20] Operation: 50-30=20 Start Sub Search at level 1: Moving to Node #0,2 Current State: 25:[30, 36, 8], Operations: ['50-42=8'] Exploring Operation: 36-8=28, Resulting Numbers: [30, 28] Generated Node #0,2,0: 25:[30, 28] Operation: 36-8=28 Exploring Operation: 30+8=38, Resulting Numbers: [36, 38] Generated Node #0,2,1: 25:[36, 38] Operation: 30+8=38 Exploring Operation: 36-30=6, Resulting Numbers: [8, 6] Generated Node #0,2,2: 25:[8, 6] Operation: 36-30=6 Exploring Operation: 36+8=44, Resulting Numbers: [30, 44] Generated Node #0,2,3: 25:[30, 44] Operation: 36+8=44 Exploring Operation: 30-8=22, Resulting Numbers: [36, 22] Generated Node #0,2,4: 25:[36, 22] Operation: 30-8=22 Moving to Node #0,2,2 Current State: 25:[8, 6], Operations: ['50-42=8', '36-30=6'] Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,25 unequal: No Solution Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,25 unequal: No Solution Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,25 unequal: No Solution Moving to Node #0,2,0 Current State: 25:[30, 28], Operations: ['50-42=8', '36-8=28'] Exploring Operation: 30-28=2, Resulting Numbers: [2] 2,25 unequal: No Solution Exploring Operation: 30+28=58, Resulting Numbers: [58] 58,25 unequal: No Solution Exploring Operation: 30*28=840, Resulting Numbers: [840] 840,25 unequal: No Solution Moving to Node #0,2,4 Current State: 25:[36, 22], Operations: ['50-42=8', '30-8=22'] Exploring Operation: 36*22=792, Resulting Numbers: [792] 792,25 unequal: No Solution Exploring Operation: 36+22=58, Resulting Numbers: [58] 58,25 unequal: No Solution Exploring Operation: 36-22=14, Resulting Numbers: [14] 14,25 unequal: No Solution Moving to Node #0,2,1 Current State: 25:[36, 38], Operations: ['50-42=8', '30+8=38'] Exploring Operation: 36+38=74, Resulting Numbers: [74] 74,25 unequal: No Solution Exploring Operation: 36*38=1368, Resulting Numbers: [1368] 1368,25 unequal: No Solution Exploring Operation: 38-36=2, Resulting Numbers: [2] 2,25 unequal: No Solution Moving to Node #0,2,3 Current State: 25:[30, 44], Operations: ['50-42=8', '36+8=44'] Exploring Operation: 30*44=1320, Resulting Numbers: [1320] 1320,25 unequal: No Solution Exploring Operation: 44-30=14, Resulting Numbers: [14] 14,25 unequal: No Solution Exploring Operation: 30+44=74, Resulting Numbers: [74] 74,25 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 #0,0 Current State: 25:[50, 30, 6], Operations: ['42-36=6'] Exploring Operation: 50-6=44, Resulting Numbers: [30, 44] Generated Node #0,0,0: 25:[30, 44] Operation: 50-6=44 Exploring Operation: 30/6=5, Resulting Numbers: [50, 5] Generated Node #0,0,1: 25:[50, 5] Operation: 30/6=5 Exploring Operation: 30-6=24, Resulting Numbers: [50, 24] Generated Node #0,0,2: 25:[50, 24] Operation: 30-6=24 Exploring Operation: 50+6=56, Resulting Numbers: [30, 56] Generated Node #0,0,3: 25:[30, 56] Operation: 50+6=56 Exploring Operation: 50-30=20, Resulting Numbers: [6, 20] Generated Node #0,0,4: 25:[6, 20] Operation: 50-30=20 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 25:[6, 20], Operations: ['42-36=6', '50-30=20'] Exploring Operation: 6*20=120, Resulting Numbers: [120] 120,25 unequal: No Solution Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,25 unequal: No Solution Exploring Operation: 6+20=26, Resulting Numbers: [26] 26,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 25:[30, 44], Operations: ['42-36=6', '50-6=44'] Exploring Operation: 44-30=14, Resulting Numbers: [14] 14,25 unequal: No Solution Exploring Operation: 30*44=1320, Resulting Numbers: [1320] 1320,25 unequal: No Solution Exploring Operation: 30+44=74, Resulting Numbers: [74] 74,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 25:[50, 5], Operations: ['42-36=6', '30/6=5'] Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,25 unequal: No Solution Exploring Operation: 50+5=55, Resulting Numbers: [55] 55,25 unequal: No Solution Exploring Operation: 50-5=45, Resulting Numbers: [45] 45,25 unequal: No Solution Exploring Operation: 50*5=250, Resulting Numbers: [250] 250,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 25:[50, 24], Operations: ['42-36=6', '30-6=24'] Exploring Operation: 50*24=1200, Resulting Numbers: [1200] 1200,25 unequal: No Solution Exploring Operation: 50-24=26, Resulting Numbers: [26] 26,25 unequal: No Solution Exploring Operation: 50+24=74, Resulting Numbers: [74] 74,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 25:[30, 56], Operations: ['42-36=6', '50+6=56'] Exploring Operation: 30*56=1680, Resulting Numbers: [1680] 1680,25 unequal: No Solution Exploring Operation: 30+56=86, Resulting Numbers: [86] 86,25 unequal: No Solution Exploring Operation: 56-30=26, Resulting Numbers: [26] 26,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[30, 42, 14], Operations: ['50-36=14'] Exploring Operation: 30+14=44, Resulting Numbers: [42, 44] Generated Node #0,1,0: 25:[42, 44] Operation: 30+14=44 Exploring Operation: 42-30=12, Resulting Numbers: [14, 12] Generated Node #0,1,1: 25:[14, 12] Operation: 42-30=12 Exploring Operation: 42/14=3, Resulting Numbers: [30, 3] Generated Node #0,1,2: 25:[30, 3] Operation: 42/14=3 Exploring Operation: 30-14=16, Resulting Numbers: [42, 16] Generated Node #0,1,3: 25:[42, 16] Operation: 30-14=16 Exploring Operation: 42-14=28, Resulting Numbers: [30, 28] Generated Node #0,1,4: 25:[30, 28] Operation: 42-14=28 Moving to Node #0,1,2 Current State: 25:[30, 3], Operations: ['50-36=14', '42/14=3'] Exploring Operation: 30/3=10, Resulting Numbers: [10] 10,25 unequal: No Solution Exploring Operation: 30*3=90, Resulting Numbers: [90] 90,25 unequal: No Solution Exploring Operation: 30+3=33, Resulting Numbers: [33] 33,25 unequal: No Solution Exploring Operation: 30-3=27, Resulting Numbers: [27] 27,25 unequal: No Solution Moving to Node #0,1,4 Current State: 25:[30, 28], Operations: ['50-36=14', '42-14=28'] Exploring Operation: 30+28=58, Resulting Numbers: [58] 58,25 unequal: No Solution Exploring Operation: 30*28=840, Resulting Numbers: [840] 840,25 unequal: No Solution Exploring Operation: 30-28=2, Resulting Numbers: [2] 2,25 unequal: No Solution Moving to Node #0,1,1 Current State: 25:[14, 12], Operations: ['50-36=14', '42-30=12'] Exploring Operation: 14+12=26, Resulting Numbers: [26] 26,25 unequal: No Solution Exploring Operation: 14*12=168, Resulting Numbers: [168] 168,25 unequal: No Solution Exploring Operation: 14-12=2, Resulting Numbers: [2] 2,25 unequal: No Solution Moving to Node #0,1,3 Current State: 25:[42, 16], Operations: ['50-36=14', '30-14=16'] Exploring Operation: 42+16=58, Resulting Numbers: [58] 58,25 unequal: No Solution Exploring Operation: 42*16=672, Resulting Numbers: [672] 672,25 unequal: No Solution Exploring Operation: 42-16=26, Resulting Numbers: [26] 26,25 unequal: No Solution Moving to Node #0,1,0 Current State: 25:[42, 44], Operations: ['50-36=14', '30+14=44'] Exploring Operation: 44-42=2, Resulting Numbers: [2] 2,25 unequal: No Solution Exploring Operation: 42+44=86, Resulting Numbers: [86] 86,25 unequal: No Solution Exploring Operation: 42*44=1848, Resulting Numbers: [1848] 1848,25 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 #0,4 Current State: 25:[36, 42, 20], Operations: ['50-30=20'] Exploring Operation: 36+20=56, Resulting Numbers: [42, 56] Generated Node #0,4,0: 25:[42, 56] Operation: 36+20=56 Exploring Operation: 42-36=6, Resulting Numbers: [20, 6] Generated Node #0,4,1: 25:[20, 6] Operation: 42-36=6 Exploring Operation: 42+20=62, Resulting Numbers: [36, 62] Generated Node #0,4,2: 25:[36, 62] Operation: 42+20=62 Exploring Operation: 42-20=22, Resulting Numbers: [36, 22] Generated Node #0,4,3: 25:[36, 22] Operation: 42-20=22 Exploring Operation: 36-20=16, Resulting Numbers: [42, 16] Generated Node #0,4,4: 25:[42, 16] Operation: 36-20=16 Moving to Node #0,4,1 Current State: 25:[20, 6], Operations: ['50-30=20', '42-36=6'] Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,25 unequal: No Solution Exploring Operation: 20*6=120, Resulting Numbers: [120] 120,25 unequal: No Solution Exploring Operation: 20+6=26, Resulting Numbers: [26] 26,25 unequal: No Solution Moving to Node #0,4,3 Current State: 25:[36, 22], Operations: ['50-30=20', '42-20=22'] Exploring Operation: 36-22=14, Resulting Numbers: [14] 14,25 unequal: No Solution Exploring Operation: 36*22=792, Resulting Numbers: [792] 792,25 unequal: No Solution Exploring Operation: 36+22=58, Resulting Numbers: [58] 58,25 unequal: No Solution Moving to Node #0,4,4 Current State: 25:[42, 16], Operations: ['50-30=20', '36-20=16'] Exploring Operation: 42+16=58, Resulting Numbers: [58] 58,25 unequal: No Solution Exploring Operation: 42-16=26, Resulting Numbers: [26] 26,25 unequal: No Solution Exploring Operation: 42*16=672, Resulting Numbers: [672] 672,25 unequal: No Solution Moving to Node #0,4,0 Current State: 25:[42, 56], Operations: ['50-30=20', '36+20=56'] Exploring Operation: 42*56=2352, Resulting Numbers: [2352] 2352,25 unequal: No Solution Exploring Operation: 56-42=14, Resulting Numbers: [14] 14,25 unequal: No Solution Exploring Operation: 42+56=98, Resulting Numbers: [98] 98,25 unequal: No Solution Moving to Node #0,4,2 Current State: 25:[36, 62], Operations: ['50-30=20', '42+20=62'] Exploring Operation: 36+62=98, Resulting Numbers: [98] 98,25 unequal: No Solution Exploring Operation: 36*62=2232, Resulting Numbers: [2232] 2232,25 unequal: No Solution Exploring Operation: 62-36=26, Resulting Numbers: [26] 26,25 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 Current State: 25:[50, 42, 6], Operations: ['36-30=6'] Exploring Operation: 50+6=56, Resulting Numbers: [42, 56] Generated Node #0,3,0: 25:[42, 56] Operation: 50+6=56 Exploring Operation: 50-42=8, Resulting Numbers: [6, 8] Generated Node #0,3,1: 25:[6, 8] Operation: 50-42=8 Exploring Operation: 42/6=7, Resulting Numbers: [50, 7] Generated Node #0,3,2: 25:[50, 7] Operation: 42/6=7 Exploring Operation: 42-6=36, Resulting Numbers: [50, 36] Generated Node #0,3,3: 25:[50, 36] Operation: 42-6=36 Exploring Operation: 50-6=44, Resulting Numbers: [42, 44] Generated Node #0,3,4: 25:[42, 44] Operation: 50-6=44 Moving to Node #0,3,1 Current State: 25:[6, 8], Operations: ['36-30=6', '50-42=8'] Exploring Operation: 6*8=48, Resulting Numbers: [48] 48,25 unequal: No Solution Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,25 unequal: No Solution Exploring Operation: 6+8=14, Resulting Numbers: [14] 14,25 unequal: No Solution Moving to Node #0,3,2 Current State: 25:[50, 7], Operations: ['36-30=6', '42/6=7'] Exploring Operation: 50*7=350, Resulting Numbers: [350] 350,25 unequal: No Solution Exploring Operation: 50-7=43, Resulting Numbers: [43] 43,25 unequal: No Solution Exploring Operation: 50+7=57, Resulting Numbers: [57] 57,25 unequal: No Solution Moving to Node #0,3,3 Current State: 25:[50, 36], Operations: ['36-30=6', '42-6=36'] Exploring Operation: 50*36=1800, Resulting Numbers: [1800] 1800,25 unequal: No Solution Exploring Operation: 50+36=86, Resulting Numbers: [86] 86,25 unequal: No Solution Exploring Operation: 50-36=14, Resulting Numbers: [14] 14,25 unequal: No Solution Moving to Node #0,3,4 Current State: 25:[42, 44], Operations: ['36-30=6', '50-6=44'] Exploring Operation: 42+44=86, Resulting Numbers: [86] 86,25 unequal: No Solution Exploring Operation: 42*44=1848, Resulting Numbers: [1848] 1848,25 unequal: No Solution Exploring Operation: 44-42=2, Resulting Numbers: [2] 2,25 unequal: No Solution Moving to Node #0,3,0 Current State: 25:[42, 56], Operations: ['36-30=6', '50+6=56'] Exploring Operation: 56-42=14, Resulting Numbers: [14] 14,25 unequal: No Solution Exploring Operation: 42*56=2352, Resulting Numbers: [2352] 2352,25 unequal: No Solution Exploring Operation: 42+56=98, Resulting Numbers: [98] 98,25 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
[ 48, 98, 32, 94 ]
56
[ "98-94=4", "32/4=8", "48+8=56" ]
Current State: 56:[48, 98, 32, 94], Operations: [] Exploring Operation: 98-94=4, Resulting Numbers: [48, 32, 4] Generated Node #2: [48, 32, 4] from Operation: 98-94=4 Current State: 56:[48, 32, 4], Operations: ['98-94=4'] Exploring Operation: 32/4=8, Resulting Numbers: [48, 8] Generated Node #3: [48, 8] from Operation: 32/4=8 Current State: 56:[48, 8], Operations: ['98-94=4', '32/4=8'] Exploring Operation: 48+8=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[48, 98, 32, 94], Operations: [] Exploring Operation: 98-94=4, Resulting Numbers: [48, 32, 4] Generated Node #0,0: 56:[48, 32, 4] Operation: 98-94=4 Moving to Node #0,0 Current State: 56:[48, 32, 4], Operations: ['98-94=4'] Exploring Operation: 48-32=16, Resulting Numbers: [4, 16] Generated Node #0,0,0: 56:[4, 16] Operation: 48-32=16 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 56:[4, 16], Operations: ['98-94=4', '48-32=16'] Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 65, 44, 64, 25 ]
60
[ "65-44=21", "64-25=39", "21+39=60" ]
Current State: 60:[65, 44, 64, 25], Operations: [] Exploring Operation: 65-44=21, Resulting Numbers: [64, 25, 21] Generated Node #2: [64, 25, 21] from Operation: 65-44=21 Current State: 60:[64, 25, 21], Operations: ['65-44=21'] Exploring Operation: 64-25=39, Resulting Numbers: [21, 39] Generated Node #3: [21, 39] from Operation: 64-25=39 Current State: 60:[21, 39], Operations: ['65-44=21', '64-25=39'] Exploring Operation: 21+39=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[65, 44, 64, 25], Operations: [] Exploring Operation: 65-44=21, Resulting Numbers: [64, 25, 21] Generated Node #0,0: 60:[64, 25, 21] Operation: 65-44=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[64, 25, 21], Operations: ['65-44=21'] Exploring Operation: 25-21=4, Resulting Numbers: [64, 4] Generated Node #0,0,0: 60:[64, 4] Operation: 25-21=4 Moving to Node #0,0,0 Current State: 60:[64, 4], Operations: ['65-44=21', '25-21=4'] Exploring Operation: 64-4=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[65, 44, 64, 25], Operations: [] Exploring Operation: 65-44=21, Resulting Numbers: [64, 25, 21] Generated Node #0,0: 60:[64, 25, 21] Operation: 65-44=21 Moving to Node #0,0 Current State: 60:[64, 25, 21], Operations: ['65-44=21'] Exploring Operation: 25-21=4, Resulting Numbers: [64, 4] Generated Node #0,0,0: 60:[64, 4] Operation: 25-21=4 Moving to Node #0,0,0 Current State: 60:[64, 4], Operations: ['65-44=21', '25-21=4'] Exploring Operation: 64-4=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 68, 2, 88, 90 ]
69
[ "2+88=90", "90/90=1", "68+1=69" ]
Current State: 69:[68, 2, 88, 90], Operations: [] Exploring Operation: 2+88=90, Resulting Numbers: [68, 90, 90] Generated Node #2: [68, 90, 90] from Operation: 2+88=90 Current State: 69:[68, 90, 90], Operations: ['2+88=90'] Exploring Operation: 90/90=1, Resulting Numbers: [68, 1] Generated Node #3: [68, 1] from Operation: 90/90=1 Current State: 69:[68, 1], Operations: ['2+88=90', '90/90=1'] Exploring Operation: 68+1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[68, 2, 88, 90], Operations: [] Exploring Operation: 90-88=2, Resulting Numbers: [68, 2, 2] Generated Node #0,0: 69:[68, 2, 2] Operation: 90-88=2 Moving to Node #0,0 Current State: 69:[68, 2, 2], Operations: ['90-88=2'] Exploring Operation: 68+2=70, Resulting Numbers: [2, 70] Generated Node #0,0,0: 69:[2, 70] Operation: 68+2=70 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 69:[2, 70], Operations: ['90-88=2', '68+2=70'] Exploring Operation: 70-2=68, Resulting Numbers: [68] 68,69 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, 67, 21, 11 ]
11
[ "11-3=8", "67+21=88", "88/8=11" ]
Current State: 11:[3, 67, 21, 11], Operations: [] Exploring Operation: 11-3=8, Resulting Numbers: [67, 21, 8] Generated Node #2: [67, 21, 8] from Operation: 11-3=8 Current State: 11:[67, 21, 8], Operations: ['11-3=8'] Exploring Operation: 67+21=88, Resulting Numbers: [8, 88] Generated Node #3: [8, 88] from Operation: 67+21=88 Current State: 11:[8, 88], Operations: ['11-3=8', '67+21=88'] Exploring Operation: 88/8=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[3, 67, 21, 11], Operations: [] Exploring Operation: 67-3=64, Resulting Numbers: [21, 11, 64] Generated Node #0,0: 11:[21, 11, 64] Operation: 67-3=64 Exploring Operation: 21/3=7, Resulting Numbers: [67, 11, 7] Generated Node #0,1: 11:[67, 11, 7] Operation: 21/3=7 Exploring Operation: 21-3=18, Resulting Numbers: [67, 11, 18] Generated Node #0,2: 11:[67, 11, 18] Operation: 21-3=18 Exploring Operation: 67-11=56, Resulting Numbers: [3, 21, 56] Generated Node #0,3: 11:[3, 21, 56] Operation: 67-11=56 Exploring Operation: 67-21=46, Resulting Numbers: [3, 11, 46] Generated Node #0,4: 11:[3, 11, 46] Operation: 67-21=46 Start Sub Search at level 1: Moving to Node #0,4 Current State: 11:[3, 11, 46], Operations: ['67-21=46'] Exploring Operation: 3+46=49, Resulting Numbers: [11, 49] Generated Node #0,4,0: 11:[11, 49] Operation: 3+46=49 Exploring Operation: 46-3=43, Resulting Numbers: [11, 43] Generated Node #0,4,1: 11:[11, 43] Operation: 46-3=43 Exploring Operation: 3+11=14, Resulting Numbers: [46, 14] Generated Node #0,4,2: 11:[46, 14] Operation: 3+11=14 Exploring Operation: 46-11=35, Resulting Numbers: [3, 35] Generated Node #0,4,3: 11:[3, 35] Operation: 46-11=35 Exploring Operation: 11-3=8, Resulting Numbers: [46, 8] Generated Node #0,4,4: 11:[46, 8] Operation: 11-3=8 Moving to Node #0,4,1 Current State: 11:[11, 43], Operations: ['67-21=46', '46-3=43'] Exploring Operation: 11+43=54, Resulting Numbers: [54] 54,11 unequal: No Solution Exploring Operation: 43-11=32, Resulting Numbers: [32] 32,11 unequal: No Solution Exploring Operation: 11*43=473, Resulting Numbers: [473] 473,11 unequal: No Solution Moving to Node #0,4,3 Current State: 11:[3, 35], Operations: ['67-21=46', '46-11=35'] Exploring Operation: 3*35=105, Resulting Numbers: [105] 105,11 unequal: No Solution Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,11 unequal: No Solution Exploring Operation: 3+35=38, Resulting Numbers: [38] 38,11 unequal: No Solution Moving to Node #0,4,0 Current State: 11:[11, 49], Operations: ['67-21=46', '3+46=49'] Exploring Operation: 11+49=60, Resulting Numbers: [60] 60,11 unequal: No Solution Exploring Operation: 49-11=38, Resulting Numbers: [38] 38,11 unequal: No Solution Exploring Operation: 11*49=539, Resulting Numbers: [539] 539,11 unequal: No Solution Moving to Node #0,4,2 Current State: 11:[46, 14], Operations: ['67-21=46', '3+11=14'] Exploring Operation: 46-14=32, Resulting Numbers: [32] 32,11 unequal: No Solution Exploring Operation: 46+14=60, Resulting Numbers: [60] 60,11 unequal: No Solution Exploring Operation: 46*14=644, Resulting Numbers: [644] 644,11 unequal: No Solution Moving to Node #0,4,4 Current State: 11:[46, 8], Operations: ['67-21=46', '11-3=8'] Exploring Operation: 46-8=38, Resulting Numbers: [38] 38,11 unequal: No Solution Exploring Operation: 46*8=368, Resulting Numbers: [368] 368,11 unequal: No Solution Exploring Operation: 46+8=54, Resulting Numbers: [54] 54,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 11:[67, 11, 7], Operations: ['21/3=7'] Exploring Operation: 11-7=4, Resulting Numbers: [67, 4] Generated Node #0,1,0: 11:[67, 4] Operation: 11-7=4 Exploring Operation: 11+7=18, Resulting Numbers: [67, 18] Generated Node #0,1,1: 11:[67, 18] Operation: 11+7=18 Exploring Operation: 67-11=56, Resulting Numbers: [7, 56] Generated Node #0,1,2: 11:[7, 56] Operation: 67-11=56 Exploring Operation: 67+7=74, Resulting Numbers: [11, 74] Generated Node #0,1,3: 11:[11, 74] Operation: 67+7=74 Exploring Operation: 67-7=60, Resulting Numbers: [11, 60] Generated Node #0,1,4: 11:[11, 60] Operation: 67-7=60 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 11:[7, 56], Operations: ['21/3=7', '67-11=56'] Exploring Operation: 7*56=392, Resulting Numbers: [392] 392,11 unequal: No Solution Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,11 unequal: No Solution Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,11 unequal: No Solution Exploring Operation: 7+56=63, Resulting Numbers: [63] 63,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 11:[11, 60], Operations: ['21/3=7', '67-7=60'] Exploring Operation: 60-11=49, Resulting Numbers: [49] 49,11 unequal: No Solution Exploring Operation: 11*60=660, Resulting Numbers: [660] 660,11 unequal: No Solution Exploring Operation: 11+60=71, Resulting Numbers: [71] 71,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 11:[67, 4], Operations: ['21/3=7', '11-7=4'] Exploring Operation: 67+4=71, Resulting Numbers: [71] 71,11 unequal: No Solution Exploring Operation: 67*4=268, Resulting Numbers: [268] 268,11 unequal: No Solution Exploring Operation: 67-4=63, Resulting Numbers: [63] 63,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 11:[67, 18], Operations: ['21/3=7', '11+7=18'] Exploring Operation: 67-18=49, Resulting Numbers: [49] 49,11 unequal: No Solution Exploring Operation: 67+18=85, Resulting Numbers: [85] 85,11 unequal: No Solution Exploring Operation: 67*18=1206, Resulting Numbers: [1206] 1206,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 11:[11, 74], Operations: ['21/3=7', '67+7=74'] Exploring Operation: 11*74=814, Resulting Numbers: [814] 814,11 unequal: No Solution Exploring Operation: 74-11=63, Resulting Numbers: [63] 63,11 unequal: No Solution Exploring Operation: 11+74=85, Resulting Numbers: [85] 85,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[21, 11, 64], Operations: ['67-3=64'] Exploring Operation: 21+11=32, Resulting Numbers: [64, 32] Generated Node #0,0,0: 11:[64, 32] Operation: 21+11=32 Exploring Operation: 64-21=43, Resulting Numbers: [11, 43] Generated Node #0,0,1: 11:[11, 43] Operation: 64-21=43 Exploring Operation: 21+64=85, Resulting Numbers: [11, 85] Generated Node #0,0,2: 11:[11, 85] Operation: 21+64=85 Exploring Operation: 21-11=10, Resulting Numbers: [64, 10] Generated Node #0,0,3: 11:[64, 10] Operation: 21-11=10 Exploring Operation: 64-11=53, Resulting Numbers: [21, 53] Generated Node #0,0,4: 11:[21, 53] Operation: 64-11=53 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 11:[11, 43], Operations: ['67-3=64', '64-21=43'] Exploring Operation: 43-11=32, Resulting Numbers: [32] 32,11 unequal: No Solution Exploring Operation: 11*43=473, Resulting Numbers: [473] 473,11 unequal: No Solution Exploring Operation: 11+43=54, Resulting Numbers: [54] 54,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 11:[21, 53], Operations: ['67-3=64', '64-11=53'] Exploring Operation: 21*53=1113, Resulting Numbers: [1113] 1113,11 unequal: No Solution Exploring Operation: 21+53=74, Resulting Numbers: [74] 74,11 unequal: No Solution Exploring Operation: 53-21=32, Resulting Numbers: [32] 32,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 11:[64, 10], Operations: ['67-3=64', '21-11=10'] Exploring Operation: 64*10=640, Resulting Numbers: [640] 640,11 unequal: No Solution Exploring Operation: 64-10=54, Resulting Numbers: [54] 54,11 unequal: No Solution Exploring Operation: 64+10=74, Resulting Numbers: [74] 74,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 11:[64, 32], Operations: ['67-3=64', '21+11=32'] Exploring Operation: 64*32=2048, Resulting Numbers: [2048] 2048,11 unequal: No Solution Exploring Operation: 64+32=96, Resulting Numbers: [96] 96,11 unequal: No Solution Exploring Operation: 64/32=2, Resulting Numbers: [2] 2,11 unequal: No Solution Exploring Operation: 64-32=32, Resulting Numbers: [32] 32,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 11:[11, 85], Operations: ['67-3=64', '21+64=85'] Exploring Operation: 11+85=96, Resulting Numbers: [96] 96,11 unequal: No Solution Exploring Operation: 11*85=935, Resulting Numbers: [935] 935,11 unequal: No Solution Exploring Operation: 85-11=74, Resulting Numbers: [74] 74,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 11:[67, 11, 18], Operations: ['21-3=18'] Exploring Operation: 67+18=85, Resulting Numbers: [11, 85] Generated Node #0,2,0: 11:[11, 85] Operation: 67+18=85 Exploring Operation: 67+11=78, Resulting Numbers: [18, 78] Generated Node #0,2,1: 11:[18, 78] Operation: 67+11=78 Exploring Operation: 67-11=56, Resulting Numbers: [18, 56] Generated Node #0,2,2: 11:[18, 56] Operation: 67-11=56 Exploring Operation: 18-11=7, Resulting Numbers: [67, 7] Generated Node #0,2,3: 11:[67, 7] Operation: 18-11=7 Exploring Operation: 67-18=49, Resulting Numbers: [11, 49] Generated Node #0,2,4: 11:[11, 49] Operation: 67-18=49 Moving to Node #0,2,4 Current State: 11:[11, 49], Operations: ['21-3=18', '67-18=49'] Exploring Operation: 11+49=60, Resulting Numbers: [60] 60,11 unequal: No Solution Exploring Operation: 11*49=539, Resulting Numbers: [539] 539,11 unequal: No Solution Exploring Operation: 49-11=38, Resulting Numbers: [38] 38,11 unequal: No Solution Moving to Node #0,2,2 Current State: 11:[18, 56], Operations: ['21-3=18', '67-11=56'] Exploring Operation: 56-18=38, Resulting Numbers: [38] 38,11 unequal: No Solution Exploring Operation: 18*56=1008, Resulting Numbers: [1008] 1008,11 unequal: No Solution Exploring Operation: 18+56=74, Resulting Numbers: [74] 74,11 unequal: No Solution Moving to Node #0,2,3 Current State: 11:[67, 7], Operations: ['21-3=18', '18-11=7'] Exploring Operation: 67+7=74, Resulting Numbers: [74] 74,11 unequal: No Solution Exploring Operation: 67-7=60, Resulting Numbers: [60] 60,11 unequal: No Solution Exploring Operation: 67*7=469, Resulting Numbers: [469] 469,11 unequal: No Solution Moving to Node #0,2,0 Current State: 11:[11, 85], Operations: ['21-3=18', '67+18=85'] Exploring Operation: 11+85=96, Resulting Numbers: [96] 96,11 unequal: No Solution Exploring Operation: 11*85=935, Resulting Numbers: [935] 935,11 unequal: No Solution Exploring Operation: 85-11=74, Resulting Numbers: [74] 74,11 unequal: No Solution Moving to Node #0,2,1 Current State: 11:[18, 78], Operations: ['21-3=18', '67+11=78'] Exploring Operation: 18+78=96, Resulting Numbers: [96] 96,11 unequal: No Solution Exploring Operation: 18*78=1404, Resulting Numbers: [1404] 1404,11 unequal: No Solution Exploring Operation: 78-18=60, Resulting Numbers: [60] 60,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 11:[3, 21, 56], Operations: ['67-11=56'] Exploring Operation: 56-3=53, Resulting Numbers: [21, 53] Generated Node #0,3,0: 11:[21, 53] Operation: 56-3=53 Exploring Operation: 3+21=24, Resulting Numbers: [56, 24] Generated Node #0,3,1: 11:[56, 24] Operation: 3+21=24 Exploring Operation: 21-3=18, Resulting Numbers: [56, 18] Generated Node #0,3,2: 11:[56, 18] Operation: 21-3=18 Exploring Operation: 21/3=7, Resulting Numbers: [56, 7] Generated Node #0,3,3: 11:[56, 7] Operation: 21/3=7 Exploring Operation: 56-21=35, Resulting Numbers: [3, 35] Generated Node #0,3,4: 11:[3, 35] Operation: 56-21=35 Moving to Node #0,3,4 Current State: 11:[3, 35], Operations: ['67-11=56', '56-21=35'] Exploring Operation: 3+35=38, Resulting Numbers: [38] 38,11 unequal: No Solution Exploring Operation: 3*35=105, Resulting Numbers: [105] 105,11 unequal: No Solution Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,11 unequal: No Solution Moving to Node #0,3,3 Current State: 11:[56, 7], Operations: ['67-11=56', '21/3=7'] Exploring Operation: 56+7=63, Resulting Numbers: [63] 63,11 unequal: No Solution Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,11 unequal: No Solution Exploring Operation: 56*7=392, Resulting Numbers: [392] 392,11 unequal: No Solution Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,11 unequal: No Solution Moving to Node #0,3,0 Current State: 11:[21, 53], Operations: ['67-11=56', '56-3=53'] Exploring Operation: 21+53=74, Resulting Numbers: [74] 74,11 unequal: No Solution Exploring Operation: 21*53=1113, Resulting Numbers: [1113] 1113,11 unequal: No Solution Exploring Operation: 53-21=32, Resulting Numbers: [32] 32,11 unequal: No Solution Moving to Node #0,3,2 Current State: 11:[56, 18], Operations: ['67-11=56', '21-3=18'] Exploring Operation: 56-18=38, Resulting Numbers: [38] 38,11 unequal: No Solution Exploring Operation: 56*18=1008, Resulting Numbers: [1008] 1008,11 unequal: No Solution Exploring Operation: 56+18=74, Resulting Numbers: [74] 74,11 unequal: No Solution Moving to Node #0,3,1 Current State: 11:[56, 24], Operations: ['67-11=56', '3+21=24'] Exploring Operation: 56-24=32, Resulting Numbers: [32] 32,11 unequal: No Solution Exploring Operation: 56+24=80, Resulting Numbers: [80] 80,11 unequal: No Solution Exploring Operation: 56*24=1344, Resulting Numbers: [1344] 1344,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 33, 20, 27, 88 ]
85
[ "33+27=60", "60/20=3", "88-3=85" ]
Current State: 85:[33, 20, 27, 88], Operations: [] Exploring Operation: 33+27=60, Resulting Numbers: [20, 88, 60] Generated Node #2: [20, 88, 60] from Operation: 33+27=60 Current State: 85:[20, 88, 60], Operations: ['33+27=60'] Exploring Operation: 60/20=3, Resulting Numbers: [88, 3] Generated Node #3: [88, 3] from Operation: 60/20=3 Current State: 85:[88, 3], Operations: ['33+27=60', '60/20=3'] Exploring Operation: 88-3=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[33, 20, 27, 88], Operations: [] Exploring Operation: 33+27=60, Resulting Numbers: [20, 88, 60] Generated Node #0,0: 85:[20, 88, 60] Operation: 33+27=60 Exploring Operation: 33-27=6, Resulting Numbers: [20, 88, 6] Generated Node #0,1: 85:[20, 88, 6] Operation: 33-27=6 Exploring Operation: 33-20=13, Resulting Numbers: [27, 88, 13] Generated Node #0,2: 85:[27, 88, 13] Operation: 33-20=13 Exploring Operation: 27-20=7, Resulting Numbers: [33, 88, 7] Generated Node #0,3: 85:[33, 88, 7] Operation: 27-20=7 Exploring Operation: 88-33=55, Resulting Numbers: [20, 27, 55] Generated Node #0,4: 85:[20, 27, 55] Operation: 88-33=55 Moving to Node #0,1 Current State: 85:[20, 88, 6], Operations: ['33-27=6'] Exploring Operation: 88-6=82, Resulting Numbers: [20, 82] Generated Node #0,1,0: 85:[20, 82] Operation: 88-6=82 Exploring Operation: 88+6=94, Resulting Numbers: [20, 94] Generated Node #0,1,1: 85:[20, 94] Operation: 88+6=94 Exploring Operation: 20-6=14, Resulting Numbers: [88, 14] Generated Node #0,1,2: 85:[88, 14] Operation: 20-6=14 Exploring Operation: 20+6=26, Resulting Numbers: [88, 26] Generated Node #0,1,3: 85:[88, 26] Operation: 20+6=26 Exploring Operation: 88-20=68, Resulting Numbers: [6, 68] Generated Node #0,1,4: 85:[6, 68] Operation: 88-20=68 Moving to Node #0,2 Current State: 85:[27, 88, 13], Operations: ['33-20=13'] Exploring Operation: 88-13=75, Resulting Numbers: [27, 75] Generated Node #0,2,0: 85:[27, 75] Operation: 88-13=75 Exploring Operation: 88-27=61, Resulting Numbers: [13, 61] Generated Node #0,2,1: 85:[13, 61] Operation: 88-27=61 Exploring Operation: 27+13=40, Resulting Numbers: [88, 40] Generated Node #0,2,2: 85:[88, 40] Operation: 27+13=40 Exploring Operation: 27-13=14, Resulting Numbers: [88, 14] Generated Node #0,2,3: 85:[88, 14] Operation: 27-13=14 Exploring Operation: 88+13=101, Resulting Numbers: [27, 101] Generated Node #0,2,4: 85:[27, 101] Operation: 88+13=101 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 85:[88, 14], Operations: ['33-20=13', '27-13=14'] Exploring Operation: 88*14=1232, Resulting Numbers: [1232] 1232,85 unequal: No Solution Exploring Operation: 88+14=102, Resulting Numbers: [102] 102,85 unequal: No Solution Exploring Operation: 88-14=74, Resulting Numbers: [74] 74,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 85:[27, 75], Operations: ['33-20=13', '88-13=75'] Exploring Operation: 75-27=48, Resulting Numbers: [48] 48,85 unequal: No Solution Exploring Operation: 27+75=102, Resulting Numbers: [102] 102,85 unequal: No Solution Exploring Operation: 27*75=2025, Resulting Numbers: [2025] 2025,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 85:[88, 40], Operations: ['33-20=13', '27+13=40'] Exploring Operation: 88*40=3520, Resulting Numbers: [3520] 3520,85 unequal: No Solution Exploring Operation: 88-40=48, Resulting Numbers: [48] 48,85 unequal: No Solution Exploring Operation: 88+40=128, Resulting Numbers: [128] 128,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 85:[27, 101], Operations: ['33-20=13', '88+13=101'] Exploring Operation: 101-27=74, Resulting Numbers: [74] 74,85 unequal: No Solution Exploring Operation: 27+101=128, Resulting Numbers: [128] 128,85 unequal: No Solution Exploring Operation: 27*101=2727, Resulting Numbers: [2727] 2727,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 85:[13, 61], Operations: ['33-20=13', '88-27=61'] Exploring Operation: 61-13=48, Resulting Numbers: [48] 48,85 unequal: No Solution Exploring Operation: 13+61=74, Resulting Numbers: [74] 74,85 unequal: No Solution Exploring Operation: 13*61=793, Resulting Numbers: [793] 793,85 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: 85:[33, 88, 7], Operations: ['27-20=7'] Exploring Operation: 88-33=55, Resulting Numbers: [7, 55] Generated Node #0,3,0: 85:[7, 55] Operation: 88-33=55 Exploring Operation: 88+7=95, Resulting Numbers: [33, 95] Generated Node #0,3,1: 85:[33, 95] Operation: 88+7=95 Exploring Operation: 88-7=81, Resulting Numbers: [33, 81] Generated Node #0,3,2: 85:[33, 81] Operation: 88-7=81 Exploring Operation: 33+7=40, Resulting Numbers: [88, 40] Generated Node #0,3,3: 85:[88, 40] Operation: 33+7=40 Exploring Operation: 33-7=26, Resulting Numbers: [88, 26] Generated Node #0,3,4: 85:[88, 26] Operation: 33-7=26 Moving to Node #0,0 Current State: 85:[20, 88, 60], Operations: ['33+27=60'] Exploring Operation: 88-60=28, Resulting Numbers: [20, 28] Generated Node #0,0,0: 85:[20, 28] Operation: 88-60=28 Exploring Operation: 88-20=68, Resulting Numbers: [60, 68] Generated Node #0,0,1: 85:[60, 68] Operation: 88-20=68 Exploring Operation: 60/20=3, Resulting Numbers: [88, 3] Generated Node #0,0,2: 85:[88, 3] Operation: 60/20=3 Exploring Operation: 20+60=80, Resulting Numbers: [88, 80] Generated Node #0,0,3: 85:[88, 80] Operation: 20+60=80 Exploring Operation: 60-20=40, Resulting Numbers: [88, 40] Generated Node #0,0,4: 85:[88, 40] Operation: 60-20=40 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 85:[88, 3], Operations: ['33+27=60', '60/20=3'] Exploring Operation: 88+3=91, Resulting Numbers: [91] 91,85 unequal: No Solution Exploring Operation: 88*3=264, Resulting Numbers: [264] 264,85 unequal: No Solution Exploring Operation: 88-3=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[33, 20, 27, 88], Operations: [] Exploring Operation: 33+27=60, Resulting Numbers: [20, 88, 60] Generated Node #0,0: 85:[20, 88, 60] Operation: 33+27=60 Moving to Node #0,0 Current State: 85:[20, 88, 60], Operations: ['33+27=60'] Exploring Operation: 60/20=3, Resulting Numbers: [88, 3] Generated Node #0,0,2: 85:[88, 3] Operation: 60/20=3 Moving to Node #0,0,2 Current State: 85:[88, 3], Operations: ['33+27=60', '60/20=3'] Exploring Operation: 88-3=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 1
0.959201
hs_5
mult_heuristic
[ 47, 40, 26, 60 ]
86
[ "26*60=1560", "1560/40=39", "47+39=86" ]
Current State: 86:[47, 40, 26, 60], Operations: [] Exploring Operation: 26*60=1560, Resulting Numbers: [47, 40, 1560] Generated Node #2: [47, 40, 1560] from Operation: 26*60=1560 Current State: 86:[47, 40, 1560], Operations: ['26*60=1560'] Exploring Operation: 1560/40=39, Resulting Numbers: [47, 39] Generated Node #3: [47, 39] from Operation: 1560/40=39 Current State: 86:[47, 39], Operations: ['26*60=1560', '1560/40=39'] Exploring Operation: 47+39=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[47, 40, 26, 60], Operations: [] Exploring Operation: 60-47=13, Resulting Numbers: [40, 26, 13] Generated Node #0,0: 86:[40, 26, 13] Operation: 60-47=13 Exploring Operation: 47+26=73, Resulting Numbers: [40, 60, 73] Generated Node #0,1: 86:[40, 60, 73] Operation: 47+26=73 Exploring Operation: 60-26=34, Resulting Numbers: [47, 40, 34] Generated Node #0,2: 86:[47, 40, 34] Operation: 60-26=34 Exploring Operation: 26+60=86, Resulting Numbers: [47, 40, 86] Generated Node #0,3: 86:[47, 40, 86] Operation: 26+60=86 Moving to Node #0,3 Current State: 86:[47, 40, 86], Operations: ['26+60=86'] Exploring Operation: 47+40=87, Resulting Numbers: [86, 87] Generated Node #0,3,0: 86:[86, 87] Operation: 47+40=87 Exploring Operation: 86-40=46, Resulting Numbers: [47, 46] Generated Node #0,3,1: 86:[47, 46] Operation: 86-40=46 Exploring Operation: 47-40=7, Resulting Numbers: [86, 7] Generated Node #0,3,2: 86:[86, 7] Operation: 47-40=7 Exploring Operation: 86-47=39, Resulting Numbers: [40, 39] Generated Node #0,3,3: 86:[40, 39] Operation: 86-47=39 Moving to Node #0,2 Current State: 86:[47, 40, 34], Operations: ['60-26=34'] Exploring Operation: 47-40=7, Resulting Numbers: [34, 7] Generated Node #0,2,0: 86:[34, 7] Operation: 47-40=7 Exploring Operation: 47+34=81, Resulting Numbers: [40, 81] Generated Node #0,2,1: 86:[40, 81] Operation: 47+34=81 Exploring Operation: 47+40=87, Resulting Numbers: [34, 87] Generated Node #0,2,2: 86:[34, 87] Operation: 47+40=87 Exploring Operation: 40-34=6, Resulting Numbers: [47, 6] Generated Node #0,2,3: 86:[47, 6] Operation: 40-34=6 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 86:[40, 81], Operations: ['60-26=34', '47+34=81'] Exploring Operation: 40+81=121, Resulting Numbers: [121] 121,86 unequal: No Solution Exploring Operation: 40*81=3240, Resulting Numbers: [3240] 3240,86 unequal: No Solution Exploring Operation: 81-40=41, Resulting Numbers: [41] 41,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 86:[47, 6], Operations: ['60-26=34', '40-34=6'] Exploring Operation: 47*6=282, Resulting Numbers: [282] 282,86 unequal: No Solution Exploring Operation: 47+6=53, Resulting Numbers: [53] 53,86 unequal: No Solution Exploring Operation: 47-6=41, Resulting Numbers: [41] 41,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 86:[34, 87], Operations: ['60-26=34', '47+40=87'] Exploring Operation: 34*87=2958, Resulting Numbers: [2958] 2958,86 unequal: No Solution Exploring Operation: 34+87=121, Resulting Numbers: [121] 121,86 unequal: No Solution Exploring Operation: 87-34=53, Resulting Numbers: [53] 53,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 86:[34, 7], Operations: ['60-26=34', '47-40=7'] Exploring Operation: 34+7=41, Resulting Numbers: [41] 41,86 unequal: No Solution Exploring Operation: 34*7=238, Resulting Numbers: [238] 238,86 unequal: No Solution Exploring Operation: 34-7=27, Resulting Numbers: [27] 27,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 86:[40, 26, 13], Operations: ['60-47=13'] Exploring Operation: 40-26=14, Resulting Numbers: [13, 14] Generated Node #0,0,0: 86:[13, 14] Operation: 40-26=14 Exploring Operation: 26/13=2, Resulting Numbers: [40, 2] Generated Node #0,0,1: 86:[40, 2] Operation: 26/13=2 Exploring Operation: 26-13=13, Resulting Numbers: [40, 13] Generated Node #0,0,2: 86:[40, 13] Operation: 26-13=13 Exploring Operation: 26+13=39, Resulting Numbers: [40, 39] Generated Node #0,0,3: 86:[40, 39] Operation: 26+13=39 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 86:[40, 2], Operations: ['60-47=13', '26/13=2'] Exploring Operation: 40+2=42, Resulting Numbers: [42] 42,86 unequal: No Solution Exploring Operation: 40*2=80, Resulting Numbers: [80] 80,86 unequal: No Solution Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,86 unequal: No Solution Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 86:[40, 39], Operations: ['60-47=13', '26+13=39'] Exploring Operation: 40*39=1560, Resulting Numbers: [1560] 1560,86 unequal: No Solution Exploring Operation: 40+39=79, Resulting Numbers: [79] 79,86 unequal: No Solution Exploring Operation: 40-39=1, Resulting Numbers: [1] 1,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 86:[40, 13], Operations: ['60-47=13', '26-13=13'] Exploring Operation: 40+13=53, Resulting Numbers: [53] 53,86 unequal: No Solution Exploring Operation: 40-13=27, Resulting Numbers: [27] 27,86 unequal: No Solution Exploring Operation: 40*13=520, Resulting Numbers: [520] 520,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 86:[13, 14], Operations: ['60-47=13', '40-26=14'] Exploring Operation: 13+14=27, Resulting Numbers: [27] 27,86 unequal: No Solution Exploring Operation: 14-13=1, Resulting Numbers: [1] 1,86 unequal: No Solution Exploring Operation: 13*14=182, Resulting Numbers: [182] 182,86 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: 86:[40, 60, 73], Operations: ['47+26=73'] Exploring Operation: 73-60=13, Resulting Numbers: [40, 13] Generated Node #0,1,0: 86:[40, 13] Operation: 73-60=13 Exploring Operation: 60-40=20, Resulting Numbers: [73, 20] Generated Node #0,1,1: 86:[73, 20] Operation: 60-40=20 Exploring Operation: 73-40=33, Resulting Numbers: [60, 33] Generated Node #0,1,2: 86:[60, 33] Operation: 73-40=33 Exploring Operation: 40+60=100, Resulting Numbers: [73, 100] Generated Node #0,1,3: 86:[73, 100] Operation: 40+60=100 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 86:[40, 13], Operations: ['47+26=73', '73-60=13'] Exploring Operation: 40+13=53, Resulting Numbers: [53] 53,86 unequal: No Solution Exploring Operation: 40-13=27, Resulting Numbers: [27] 27,86 unequal: No Solution Exploring Operation: 40*13=520, Resulting Numbers: [520] 520,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 86:[60, 33], Operations: ['47+26=73', '73-40=33'] Exploring Operation: 60+33=93, Resulting Numbers: [93] 93,86 unequal: No Solution Exploring Operation: 60*33=1980, Resulting Numbers: [1980] 1980,86 unequal: No Solution Exploring Operation: 60-33=27, Resulting Numbers: [27] 27,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 86:[73, 100], Operations: ['47+26=73', '40+60=100'] Exploring Operation: 100-73=27, Resulting Numbers: [27] 27,86 unequal: No Solution Exploring Operation: 73*100=7300, Resulting Numbers: [7300] 7300,86 unequal: No Solution Exploring Operation: 73+100=173, Resulting Numbers: [173] 173,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 86:[73, 20], Operations: ['47+26=73', '60-40=20'] Exploring Operation: 73-20=53, Resulting Numbers: [53] 53,86 unequal: No Solution Exploring Operation: 73+20=93, Resulting Numbers: [93] 93,86 unequal: No Solution Exploring Operation: 73*20=1460, Resulting Numbers: [1460] 1460,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,0 Current State: 86:[86, 87], Operations: ['26+60=86', '47+40=87'] Exploring Operation: 87-86=1, Resulting Numbers: [1] 1,86 unequal: No Solution Exploring Operation: 86*87=7482, Resulting Numbers: [7482] 7482,86 unequal: No Solution Exploring Operation: 86+87=173, Resulting Numbers: [173] 173,86 unequal: No Solution Moving to Node #0,3,2 Current State: 86:[86, 7], Operations: ['26+60=86', '47-40=7'] Exploring Operation: 86+7=93, Resulting Numbers: [93] 93,86 unequal: No Solution Exploring Operation: 86*7=602, Resulting Numbers: [602] 602,86 unequal: No Solution Exploring Operation: 86-7=79, Resulting Numbers: [79] 79,86 unequal: No Solution Moving to Node #0,3,3 Current State: 86:[40, 39], Operations: ['26+60=86', '86-47=39'] Exploring Operation: 40+39=79, Resulting Numbers: [79] 79,86 unequal: No Solution Exploring Operation: 40*39=1560, Resulting Numbers: [1560] 1560,86 unequal: No Solution Exploring Operation: 40-39=1, Resulting Numbers: [1] 1,86 unequal: No Solution Moving to Node #0,3,1 Current State: 86:[47, 46], Operations: ['26+60=86', '86-40=46'] Exploring Operation: 47-46=1, Resulting Numbers: [1] 1,86 unequal: No Solution Exploring Operation: 47*46=2162, Resulting Numbers: [2162] 2162,86 unequal: No Solution Exploring Operation: 47+46=93, Resulting Numbers: [93] 93,86 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 69, 6, 27, 51 ]
24
[ "69-51=18", "18/6=3", "27-3=24" ]
Current State: 24:[69, 6, 27, 51], Operations: [] Exploring Operation: 69-51=18, Resulting Numbers: [6, 27, 18] Generated Node #2: [6, 27, 18] from Operation: 69-51=18 Current State: 24:[6, 27, 18], Operations: ['69-51=18'] Exploring Operation: 18/6=3, Resulting Numbers: [27, 3] Generated Node #3: [27, 3] from Operation: 18/6=3 Current State: 24:[27, 3], Operations: ['69-51=18', '18/6=3'] Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[69, 6, 27, 51], Operations: [] Exploring Operation: 51-27=24, Resulting Numbers: [69, 6, 24] Generated Node #0,0: 24:[69, 6, 24] Operation: 51-27=24 Exploring Operation: 69-27=42, Resulting Numbers: [6, 51, 42] Generated Node #0,1: 24:[6, 51, 42] Operation: 69-27=42 Exploring Operation: 69-51=18, Resulting Numbers: [6, 27, 18] Generated Node #0,2: 24:[6, 27, 18] Operation: 69-51=18 Start Sub Search at level 1: Moving to Node #0,2 Current State: 24:[6, 27, 18], Operations: ['69-51=18'] Exploring Operation: 27-18=9, Resulting Numbers: [6, 9] Generated Node #0,2,0: 24:[6, 9] Operation: 27-18=9 Exploring Operation: 6+18=24, Resulting Numbers: [27, 24] Generated Node #0,2,1: 24:[27, 24] Operation: 6+18=24 Exploring Operation: 18-6=12, Resulting Numbers: [27, 12] Generated Node #0,2,2: 24:[27, 12] Operation: 18-6=12 Moving to Node #0,2,0 Current State: 24:[6, 9], Operations: ['69-51=18', '27-18=9'] Exploring Operation: 6+9=15, Resulting Numbers: [15] 15,24 unequal: No Solution Exploring Operation: 9-6=3, Resulting Numbers: [3] 3,24 unequal: No Solution Exploring Operation: 6*9=54, Resulting Numbers: [54] 54,24 unequal: No Solution Moving to Node #0,2,1 Current State: 24:[27, 24], Operations: ['69-51=18', '6+18=24'] Exploring Operation: 27+24=51, Resulting Numbers: [51] 51,24 unequal: No Solution Exploring Operation: 27*24=648, Resulting Numbers: [648] 648,24 unequal: No Solution Exploring Operation: 27-24=3, Resulting Numbers: [3] 3,24 unequal: No Solution Moving to Node #0,2,2 Current State: 24:[27, 12], Operations: ['69-51=18', '18-6=12'] Exploring Operation: 27+12=39, Resulting Numbers: [39] 39,24 unequal: No Solution Exploring Operation: 27*12=324, Resulting Numbers: [324] 324,24 unequal: No Solution Exploring Operation: 27-12=15, Resulting Numbers: [15] 15,24 unequal: No Solution No 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: 24:[69, 6, 24], Operations: ['51-27=24'] Exploring Operation: 24/6=4, Resulting Numbers: [69, 4] Generated Node #0,0,0: 24:[69, 4] Operation: 24/6=4 Exploring Operation: 69-6=63, Resulting Numbers: [24, 63] Generated Node #0,0,1: 24:[24, 63] Operation: 69-6=63 Exploring Operation: 69-24=45, Resulting Numbers: [6, 45] Generated Node #0,0,2: 24:[6, 45] Operation: 69-24=45 Moving to Node #0,0,2 Current State: 24:[6, 45], Operations: ['51-27=24', '69-24=45'] Exploring Operation: 6+45=51, Resulting Numbers: [51] 51,24 unequal: No Solution Exploring Operation: 45-6=39, Resulting Numbers: [39] 39,24 unequal: No Solution Exploring Operation: 6*45=270, Resulting Numbers: [270] 270,24 unequal: No Solution Moving to Node #0,0,1 Current State: 24:[24, 63], Operations: ['51-27=24', '69-6=63'] Exploring Operation: 24+63=87, Resulting Numbers: [87] 87,24 unequal: No Solution Exploring Operation: 63-24=39, Resulting Numbers: [39] 39,24 unequal: No Solution Exploring Operation: 24*63=1512, Resulting Numbers: [1512] 1512,24 unequal: No Solution Moving to Node #0,0,0 Current State: 24:[69, 4], Operations: ['51-27=24', '24/6=4'] Exploring Operation: 69*4=276, Resulting Numbers: [276] 276,24 unequal: No Solution Exploring Operation: 69+4=73, Resulting Numbers: [73] 73,24 unequal: No Solution Exploring Operation: 69-4=65, Resulting Numbers: [65] 65,24 unequal: No Solution No 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: 24:[6, 51, 42], Operations: ['69-27=42'] Exploring Operation: 42/6=7, Resulting Numbers: [51, 7] Generated Node #0,1,0: 24:[51, 7] Operation: 42/6=7 Exploring Operation: 51-6=45, Resulting Numbers: [42, 45] Generated Node #0,1,1: 24:[42, 45] Operation: 51-6=45 Exploring Operation: 51-42=9, Resulting Numbers: [6, 9] Generated Node #0,1,2: 24:[6, 9] Operation: 51-42=9 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 24:[6, 9], Operations: ['69-27=42', '51-42=9'] Exploring Operation: 6+9=15, Resulting Numbers: [15] 15,24 unequal: No Solution Exploring Operation: 9-6=3, Resulting Numbers: [3] 3,24 unequal: No Solution Exploring Operation: 6*9=54, Resulting Numbers: [54] 54,24 unequal: No Solution No 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: 24:[51, 7], Operations: ['69-27=42', '42/6=7'] Exploring Operation: 51-7=44, Resulting Numbers: [44] 44,24 unequal: No Solution Exploring Operation: 51+7=58, Resulting Numbers: [58] 58,24 unequal: No Solution Exploring Operation: 51*7=357, Resulting Numbers: [357] 357,24 unequal: No Solution No 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: 24:[42, 45], Operations: ['69-27=42', '51-6=45'] Exploring Operation: 42+45=87, Resulting Numbers: [87] 87,24 unequal: No Solution Exploring Operation: 42*45=1890, Resulting Numbers: [1890] 1890,24 unequal: No Solution Exploring Operation: 45-42=3, Resulting Numbers: [3] 3,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 6, 44, 56, 14 ]
86
[ "56-44=12", "6*12=72", "14+72=86" ]
Current State: 86:[6, 44, 56, 14], Operations: [] Exploring Operation: 56-44=12, Resulting Numbers: [6, 14, 12] Generated Node #2: [6, 14, 12] from Operation: 56-44=12 Current State: 86:[6, 14, 12], Operations: ['56-44=12'] Exploring Operation: 6*12=72, Resulting Numbers: [14, 72] Generated Node #3: [14, 72] from Operation: 6*12=72 Current State: 86:[14, 72], Operations: ['56-44=12', '6*12=72'] Exploring Operation: 14+72=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[6, 44, 56, 14], Operations: [] Exploring Operation: 6*14=84, Resulting Numbers: [44, 56, 84] Generated Node #0,0: 86:[44, 56, 84] Operation: 6*14=84 Exploring Operation: 56/14=4, Resulting Numbers: [6, 44, 4] Generated Node #0,1: 86:[6, 44, 4] Operation: 56/14=4 Exploring Operation: 56-14=42, Resulting Numbers: [6, 44, 42] Generated Node #0,2: 86:[6, 44, 42] Operation: 56-14=42 Moving to Node #0,2 Current State: 86:[6, 44, 42], Operations: ['56-14=42'] Exploring Operation: 44+42=86, Resulting Numbers: [6, 86] Generated Node #0,2,0: 86:[6, 86] Operation: 44+42=86 Exploring Operation: 44-42=2, Resulting Numbers: [6, 2] Generated Node #0,2,1: 86:[6, 2] Operation: 44-42=2 Exploring Operation: 44-6=38, Resulting Numbers: [42, 38] Generated Node #0,2,2: 86:[42, 38] Operation: 44-6=38 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 86:[6, 86], Operations: ['56-14=42', '44+42=86'] Exploring Operation: 6*86=516, Resulting Numbers: [516] 516,86 unequal: No Solution Exploring Operation: 86-6=80, Resulting Numbers: [80] 80,86 unequal: No Solution Exploring Operation: 6+86=92, Resulting Numbers: [92] 92,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 86:[6, 2], Operations: ['56-14=42', '44-42=2'] Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,86 unequal: No Solution Exploring Operation: 6+2=8, Resulting Numbers: [8] 8,86 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 86:[42, 38], Operations: ['56-14=42', '44-6=38'] Exploring Operation: 42-38=4, Resulting Numbers: [4] 4,86 unequal: No Solution Exploring Operation: 42+38=80, Resulting Numbers: [80] 80,86 unequal: No Solution Exploring Operation: 42*38=1596, Resulting Numbers: [1596] 1596,86 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: 86:[6, 44, 4], Operations: ['56/14=4'] Exploring Operation: 44-4=40, Resulting Numbers: [6, 40] Generated Node #0,1,0: 86:[6, 40] Operation: 44-4=40 Exploring Operation: 44-6=38, Resulting Numbers: [4, 38] Generated Node #0,1,1: 86:[4, 38] Operation: 44-6=38 Exploring Operation: 6-4=2, Resulting Numbers: [44, 2] Generated Node #0,1,2: 86:[44, 2] Operation: 6-4=2 Moving to Node #0,0 Current State: 86:[44, 56, 84], Operations: ['6*14=84'] Exploring Operation: 44+56=100, Resulting Numbers: [84, 100] Generated Node #0,0,0: 86:[84, 100] Operation: 44+56=100 Exploring Operation: 56-44=12, Resulting Numbers: [84, 12] Generated Node #0,0,1: 86:[84, 12] Operation: 56-44=12 Exploring Operation: 84-44=40, Resulting Numbers: [56, 40] Generated Node #0,0,2: 86:[56, 40] Operation: 84-44=40 Moving to Node #0,1,2 Current State: 86:[44, 2], Operations: ['56/14=4', '6-4=2'] Exploring Operation: 44*2=88, Resulting Numbers: [88] 88,86 unequal: No Solution Exploring Operation: 44+2=46, Resulting Numbers: [46] 46,86 unequal: No Solution Exploring Operation: 44-2=42, Resulting Numbers: [42] 42,86 unequal: No Solution Moving to Node #0,1,1 Current State: 86:[4, 38], Operations: ['56/14=4', '44-6=38'] Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,86 unequal: No Solution Exploring Operation: 4*38=152, Resulting Numbers: [152] 152,86 unequal: No Solution Exploring Operation: 4+38=42, Resulting Numbers: [42] 42,86 unequal: No Solution Moving to Node #0,1,0 Current State: 86:[6, 40], Operations: ['56/14=4', '44-4=40'] Exploring Operation: 6+40=46, Resulting Numbers: [46] 46,86 unequal: No Solution Exploring Operation: 6*40=240, Resulting Numbers: [240] 240,86 unequal: No Solution Exploring Operation: 40-6=34, Resulting Numbers: [34] 34,86 unequal: No Solution Moving to Node #0,0,1 Current State: 86:[84, 12], Operations: ['6*14=84', '56-44=12'] Exploring Operation: 84/12=7, Resulting Numbers: [7] 7,86 unequal: No Solution Exploring Operation: 84+12=96, Resulting Numbers: [96] 96,86 unequal: No Solution Exploring Operation: 84-12=72, Resulting Numbers: [72] 72,86 unequal: No Solution Moving to Node #0,0,0 Current State: 86:[84, 100], Operations: ['6*14=84', '44+56=100'] Exploring Operation: 100-84=16, Resulting Numbers: [16] 16,86 unequal: No Solution Exploring Operation: 84+100=184, Resulting Numbers: [184] 184,86 unequal: No Solution Exploring Operation: 84*100=8400, Resulting Numbers: [8400] 8400,86 unequal: No Solution Moving to Node #0,0,2 Current State: 86:[56, 40], Operations: ['6*14=84', '84-44=40'] Exploring Operation: 56-40=16, Resulting Numbers: [16] 16,86 unequal: No Solution Exploring Operation: 56*40=2240, Resulting Numbers: [2240] 2240,86 unequal: No Solution Exploring Operation: 56+40=96, Resulting Numbers: [96] 96,86 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 23, 11, 5, 24 ]
54
[ "24-23=1", "11*5=55", "55-1=54" ]
Current State: 54:[23, 11, 5, 24], Operations: [] Exploring Operation: 24-23=1, Resulting Numbers: [11, 5, 1] Generated Node #2: [11, 5, 1] from Operation: 24-23=1 Current State: 54:[11, 5, 1], Operations: ['24-23=1'] Exploring Operation: 11*5=55, Resulting Numbers: [1, 55] Generated Node #3: [1, 55] from Operation: 11*5=55 Current State: 54:[1, 55], Operations: ['24-23=1', '11*5=55'] Exploring Operation: 55-1=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[23, 11, 5, 24], Operations: [] Exploring Operation: 24-23=1, Resulting Numbers: [11, 5, 1] Generated Node #0,0: 54:[11, 5, 1] Operation: 24-23=1 Exploring Operation: 23-5=18, Resulting Numbers: [11, 24, 18] Generated Node #0,1: 54:[11, 24, 18] Operation: 23-5=18 Exploring Operation: 23+5=28, Resulting Numbers: [11, 24, 28] Generated Node #0,2: 54:[11, 24, 28] Operation: 23+5=28 Moving to Node #0,0 Current State: 54:[11, 5, 1], Operations: ['24-23=1'] Exploring Operation: 11-5=6, Resulting Numbers: [1, 6] Generated Node #0,0,0: 54:[1, 6] Operation: 11-5=6 Exploring Operation: 11*5=55, Resulting Numbers: [1, 55] Generated Node #0,0,1: 54:[1, 55] Operation: 11*5=55 Exploring Operation: 11-1=10, Resulting Numbers: [5, 10] Generated Node #0,0,2: 54:[5, 10] Operation: 11-1=10 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 54:[1, 6], Operations: ['24-23=1', '11-5=6'] Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,54 unequal: No Solution Exploring Operation: 1+6=7, Resulting Numbers: [7] 7,54 unequal: No Solution Exploring Operation: 1*6=6, Resulting Numbers: [6] 6,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 54:[1, 55], Operations: ['24-23=1', '11*5=55'] Exploring Operation: 55/1=55, Resulting Numbers: [55] 55,54 unequal: No Solution Exploring Operation: 55-1=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[23, 11, 5, 24], Operations: [] Exploring Operation: 24-23=1, Resulting Numbers: [11, 5, 1] Generated Node #0,0: 54:[11, 5, 1] Operation: 24-23=1 Moving to Node #0,0 Current State: 54:[11, 5, 1], Operations: ['24-23=1'] Exploring Operation: 11*5=55, Resulting Numbers: [1, 55] Generated Node #0,0,1: 54:[1, 55] Operation: 11*5=55 Moving to Node #0,0,1 Current State: 54:[1, 55], Operations: ['24-23=1', '11*5=55'] Exploring Operation: 55-1=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
sum_heuristic
[ 43, 40, 78, 47 ]
42
[ "43+40=83", "78+47=125", "125-83=42" ]
Current State: 42:[43, 40, 78, 47], Operations: [] Exploring Operation: 43+40=83, Resulting Numbers: [78, 47, 83] Generated Node #2: [78, 47, 83] from Operation: 43+40=83 Current State: 42:[78, 47, 83], Operations: ['43+40=83'] Exploring Operation: 78+47=125, Resulting Numbers: [83, 125] Generated Node #3: [83, 125] from Operation: 78+47=125 Current State: 42:[83, 125], Operations: ['43+40=83', '78+47=125'] Exploring Operation: 125-83=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[43, 40, 78, 47], Operations: [] Exploring Operation: 78-40=38, Resulting Numbers: [43, 47, 38] Generated Node #0,0: 42:[43, 47, 38] Operation: 78-40=38 Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[43, 47, 38], Operations: ['78-40=38'] Exploring Operation: 47-38=9, Resulting Numbers: [43, 9] Generated Node #0,0,0: 42:[43, 9] Operation: 47-38=9 Moving to Node #0,0,0 Current State: 42:[43, 9], Operations: ['78-40=38', '47-38=9'] Exploring Operation: 43-9=34, Resulting Numbers: [34] 34,42 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
[ 77, 65, 3, 78 ]
88
[ "77*3=231", "65+78=143", "231-143=88" ]
Current State: 88:[77, 65, 3, 78], Operations: [] Exploring Operation: 77*3=231, Resulting Numbers: [65, 78, 231] Generated Node #2: [65, 78, 231] from Operation: 77*3=231 Current State: 88:[65, 78, 231], Operations: ['77*3=231'] Exploring Operation: 65+78=143, Resulting Numbers: [231, 143] Generated Node #3: [231, 143] from Operation: 65+78=143 Current State: 88:[231, 143], Operations: ['77*3=231', '65+78=143'] Exploring Operation: 231-143=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[77, 65, 3, 78], Operations: [] Exploring Operation: 77-65=12, Resulting Numbers: [3, 78, 12] Generated Node #0,0: 88:[3, 78, 12] Operation: 77-65=12 Exploring Operation: 78-77=1, Resulting Numbers: [65, 3, 1] Generated Node #0,1: 88:[65, 3, 1] Operation: 78-77=1 Exploring Operation: 78/3=26, Resulting Numbers: [77, 65, 26] Generated Node #0,2: 88:[77, 65, 26] Operation: 78/3=26 Exploring Operation: 77+3=80, Resulting Numbers: [65, 78, 80] Generated Node #0,3: 88:[65, 78, 80] Operation: 77+3=80 Exploring Operation: 78-65=13, Resulting Numbers: [77, 3, 13] Generated Node #0,4: 88:[77, 3, 13] Operation: 78-65=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[3, 78, 12], Operations: ['77-65=12'] Exploring Operation: 78+12=90, Resulting Numbers: [3, 90] Generated Node #0,0,0: 88:[3, 90] Operation: 78+12=90 Exploring Operation: 3+78=81, Resulting Numbers: [12, 81] Generated Node #0,0,1: 88:[12, 81] Operation: 3+78=81 Exploring Operation: 78/3=26, Resulting Numbers: [12, 26] Generated Node #0,0,2: 88:[12, 26] Operation: 78/3=26 Exploring Operation: 12/3=4, Resulting Numbers: [78, 4] Generated Node #0,0,3: 88:[78, 4] Operation: 12/3=4 Exploring Operation: 12-3=9, Resulting Numbers: [78, 9] Generated Node #0,0,4: 88:[78, 9] Operation: 12-3=9 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 88:[3, 90], Operations: ['77-65=12', '78+12=90'] Exploring Operation: 3+90=93, Resulting Numbers: [93] 93,88 unequal: No Solution Exploring Operation: 3*90=270, Resulting Numbers: [270] 270,88 unequal: No Solution Exploring Operation: 90/3=30, Resulting Numbers: [30] 30,88 unequal: No Solution Exploring Operation: 90-3=87, Resulting Numbers: [87] 87,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 88:[12, 26], Operations: ['77-65=12', '78/3=26'] Exploring Operation: 12*26=312, Resulting Numbers: [312] 312,88 unequal: No Solution Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,88 unequal: No Solution Exploring Operation: 12+26=38, Resulting Numbers: [38] 38,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 88:[12, 81], Operations: ['77-65=12', '3+78=81'] Exploring Operation: 12*81=972, Resulting Numbers: [972] 972,88 unequal: No Solution Exploring Operation: 81-12=69, Resulting Numbers: [69] 69,88 unequal: No Solution Exploring Operation: 12+81=93, Resulting Numbers: [93] 93,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 88:[78, 4], Operations: ['77-65=12', '12/3=4'] Exploring Operation: 78-4=74, Resulting Numbers: [74] 74,88 unequal: No Solution Exploring Operation: 78*4=312, Resulting Numbers: [312] 312,88 unequal: No Solution Exploring Operation: 78+4=82, Resulting Numbers: [82] 82,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 88:[78, 9], Operations: ['77-65=12', '12-3=9'] Exploring Operation: 78*9=702, Resulting Numbers: [702] 702,88 unequal: No Solution Exploring Operation: 78+9=87, Resulting Numbers: [87] 87,88 unequal: No Solution Exploring Operation: 78-9=69, Resulting Numbers: [69] 69,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 88:[77, 3, 13], Operations: ['78-65=13'] Exploring Operation: 77+13=90, Resulting Numbers: [3, 90] Generated Node #0,4,0: 88:[3, 90] Operation: 77+13=90 Exploring Operation: 13-3=10, Resulting Numbers: [77, 10] Generated Node #0,4,1: 88:[77, 10] Operation: 13-3=10 Exploring Operation: 77+3=80, Resulting Numbers: [13, 80] Generated Node #0,4,2: 88:[13, 80] Operation: 77+3=80 Exploring Operation: 3+13=16, Resulting Numbers: [77, 16] Generated Node #0,4,3: 88:[77, 16] Operation: 3+13=16 Exploring Operation: 77-3=74, Resulting Numbers: [13, 74] Generated Node #0,4,4: 88:[13, 74] Operation: 77-3=74 Moving to Node #0,4,0 Current State: 88:[3, 90], Operations: ['78-65=13', '77+13=90'] Exploring Operation: 3+90=93, Resulting Numbers: [93] 93,88 unequal: No Solution Exploring Operation: 90-3=87, Resulting Numbers: [87] 87,88 unequal: No Solution Exploring Operation: 3*90=270, Resulting Numbers: [270] 270,88 unequal: No Solution Exploring Operation: 90/3=30, Resulting Numbers: [30] 30,88 unequal: No Solution Moving to Node #0,4,2 Current State: 88:[13, 80], Operations: ['78-65=13', '77+3=80'] Exploring Operation: 13+80=93, Resulting Numbers: [93] 93,88 unequal: No Solution Exploring Operation: 80-13=67, Resulting Numbers: [67] 67,88 unequal: No Solution Exploring Operation: 13*80=1040, Resulting Numbers: [1040] 1040,88 unequal: No Solution Moving to Node #0,4,1 Current State: 88:[77, 10], Operations: ['78-65=13', '13-3=10'] Exploring Operation: 77*10=770, Resulting Numbers: [770] 770,88 unequal: No Solution Exploring Operation: 77-10=67, Resulting Numbers: [67] 67,88 unequal: No Solution Exploring Operation: 77+10=87, Resulting Numbers: [87] 87,88 unequal: No Solution Moving to Node #0,4,3 Current State: 88:[77, 16], Operations: ['78-65=13', '3+13=16'] Exploring Operation: 77-16=61, Resulting Numbers: [61] 61,88 unequal: No Solution Exploring Operation: 77*16=1232, Resulting Numbers: [1232] 1232,88 unequal: No Solution Exploring Operation: 77+16=93, Resulting Numbers: [93] 93,88 unequal: No Solution Moving to Node #0,4,4 Current State: 88:[13, 74], Operations: ['78-65=13', '77-3=74'] Exploring Operation: 13*74=962, Resulting Numbers: [962] 962,88 unequal: No Solution Exploring Operation: 74-13=61, Resulting Numbers: [61] 61,88 unequal: No Solution Exploring Operation: 13+74=87, Resulting Numbers: [87] 87,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 88:[65, 3, 1], Operations: ['78-77=1'] Exploring Operation: 3-1=2, Resulting Numbers: [65, 2] Generated Node #0,1,0: 88:[65, 2] Operation: 3-1=2 Exploring Operation: 65+3=68, Resulting Numbers: [1, 68] Generated Node #0,1,1: 88:[1, 68] Operation: 65+3=68 Exploring Operation: 65-1=64, Resulting Numbers: [3, 64] Generated Node #0,1,2: 88:[3, 64] Operation: 65-1=64 Exploring Operation: 3+1=4, Resulting Numbers: [65, 4] Generated Node #0,1,3: 88:[65, 4] Operation: 3+1=4 Exploring Operation: 65-3=62, Resulting Numbers: [1, 62] Generated Node #0,1,4: 88:[1, 62] Operation: 65-3=62 Moving to Node #0,1,4 Current State: 88:[1, 62], Operations: ['78-77=1', '65-3=62'] Exploring Operation: 62-1=61, Resulting Numbers: [61] 61,88 unequal: No Solution Exploring Operation: 1*62=62, Resulting Numbers: [62] 62,88 unequal: No Solution Exploring Operation: 62/1=62, Resulting Numbers: [62] 62,88 unequal: No Solution Exploring Operation: 1+62=63, Resulting Numbers: [63] 63,88 unequal: No Solution Moving to Node #0,1,1 Current State: 88:[1, 68], Operations: ['78-77=1', '65+3=68'] Exploring Operation: 1*68=68, Resulting Numbers: [68] 68,88 unequal: No Solution Exploring Operation: 68-1=67, Resulting Numbers: [67] 67,88 unequal: No Solution Exploring Operation: 68/1=68, Resulting Numbers: [68] 68,88 unequal: No Solution Exploring Operation: 1+68=69, Resulting Numbers: [69] 69,88 unequal: No Solution Moving to Node #0,1,3 Current State: 88:[65, 4], Operations: ['78-77=1', '3+1=4'] Exploring Operation: 65-4=61, Resulting Numbers: [61] 61,88 unequal: No Solution Exploring Operation: 65*4=260, Resulting Numbers: [260] 260,88 unequal: No Solution Exploring Operation: 65+4=69, Resulting Numbers: [69] 69,88 unequal: No Solution Moving to Node #0,1,0 Current State: 88:[65, 2], Operations: ['78-77=1', '3-1=2'] Exploring Operation: 65*2=130, Resulting Numbers: [130] 130,88 unequal: No Solution Exploring Operation: 65-2=63, Resulting Numbers: [63] 63,88 unequal: No Solution Exploring Operation: 65+2=67, Resulting Numbers: [67] 67,88 unequal: No Solution Moving to Node #0,1,2 Current State: 88:[3, 64], Operations: ['78-77=1', '65-1=64'] Exploring Operation: 3*64=192, Resulting Numbers: [192] 192,88 unequal: No Solution Exploring Operation: 3+64=67, Resulting Numbers: [67] 67,88 unequal: No Solution Exploring Operation: 64-3=61, Resulting Numbers: [61] 61,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 88:[77, 65, 26], Operations: ['78/3=26'] Exploring Operation: 77-26=51, Resulting Numbers: [65, 51] Generated Node #0,2,0: 88:[65, 51] Operation: 77-26=51 Exploring Operation: 77-65=12, Resulting Numbers: [26, 12] Generated Node #0,2,1: 88:[26, 12] Operation: 77-65=12 Exploring Operation: 65-26=39, Resulting Numbers: [77, 39] Generated Node #0,2,2: 88:[77, 39] Operation: 65-26=39 Exploring Operation: 65+26=91, Resulting Numbers: [77, 91] Generated Node #0,2,3: 88:[77, 91] Operation: 65+26=91 Exploring Operation: 77+26=103, Resulting Numbers: [65, 103] Generated Node #0,2,4: 88:[65, 103] Operation: 77+26=103 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 88:[26, 12], Operations: ['78/3=26', '77-65=12'] Exploring Operation: 26*12=312, Resulting Numbers: [312] 312,88 unequal: No Solution Exploring Operation: 26+12=38, Resulting Numbers: [38] 38,88 unequal: No Solution Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 88:[77, 91], Operations: ['78/3=26', '65+26=91'] Exploring Operation: 91-77=14, Resulting Numbers: [14] 14,88 unequal: No Solution Exploring Operation: 77+91=168, Resulting Numbers: [168] 168,88 unequal: No Solution Exploring Operation: 77*91=7007, Resulting Numbers: [7007] 7007,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 88:[77, 39], Operations: ['78/3=26', '65-26=39'] Exploring Operation: 77-39=38, Resulting Numbers: [38] 38,88 unequal: No Solution Exploring Operation: 77*39=3003, Resulting Numbers: [3003] 3003,88 unequal: No Solution Exploring Operation: 77+39=116, Resulting Numbers: [116] 116,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 88:[65, 51], Operations: ['78/3=26', '77-26=51'] Exploring Operation: 65-51=14, Resulting Numbers: [14] 14,88 unequal: No Solution Exploring Operation: 65+51=116, Resulting Numbers: [116] 116,88 unequal: No Solution Exploring Operation: 65*51=3315, Resulting Numbers: [3315] 3315,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 88:[65, 103], Operations: ['78/3=26', '77+26=103'] Exploring Operation: 65*103=6695, Resulting Numbers: [6695] 6695,88 unequal: No Solution Exploring Operation: 65+103=168, Resulting Numbers: [168] 168,88 unequal: No Solution Exploring Operation: 103-65=38, Resulting Numbers: [38] 38,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 88:[65, 78, 80], Operations: ['77+3=80'] Exploring Operation: 80-65=15, Resulting Numbers: [78, 15] Generated Node #0,3,0: 88:[78, 15] Operation: 80-65=15 Exploring Operation: 78-65=13, Resulting Numbers: [80, 13] Generated Node #0,3,1: 88:[80, 13] Operation: 78-65=13 Exploring Operation: 65+80=145, Resulting Numbers: [78, 145] Generated Node #0,3,2: 88:[78, 145] Operation: 65+80=145 Exploring Operation: 80-78=2, Resulting Numbers: [65, 2] Generated Node #0,3,3: 88:[65, 2] Operation: 80-78=2 Exploring Operation: 65+78=143, Resulting Numbers: [80, 143] Generated Node #0,3,4: 88:[80, 143] Operation: 65+78=143 Moving to Node #0,3,1 Current State: 88:[80, 13], Operations: ['77+3=80', '78-65=13'] Exploring Operation: 80+13=93, Resulting Numbers: [93] 93,88 unequal: No Solution Exploring Operation: 80-13=67, Resulting Numbers: [67] 67,88 unequal: No Solution Exploring Operation: 80*13=1040, Resulting Numbers: [1040] 1040,88 unequal: No Solution Moving to Node #0,3,0 Current State: 88:[78, 15], Operations: ['77+3=80', '80-65=15'] Exploring Operation: 78-15=63, Resulting Numbers: [63] 63,88 unequal: No Solution Exploring Operation: 78*15=1170, Resulting Numbers: [1170] 1170,88 unequal: No Solution Exploring Operation: 78+15=93, Resulting Numbers: [93] 93,88 unequal: No Solution Moving to Node #0,3,3 Current State: 88:[65, 2], Operations: ['77+3=80', '80-78=2'] Exploring Operation: 65-2=63, Resulting Numbers: [63] 63,88 unequal: No Solution Exploring Operation: 65+2=67, Resulting Numbers: [67] 67,88 unequal: No Solution Exploring Operation: 65*2=130, Resulting Numbers: [130] 130,88 unequal: No Solution Moving to Node #0,3,4 Current State: 88:[80, 143], Operations: ['77+3=80', '65+78=143'] Exploring Operation: 80+143=223, Resulting Numbers: [223] 223,88 unequal: No Solution Exploring Operation: 143-80=63, Resulting Numbers: [63] 63,88 unequal: No Solution Exploring Operation: 80*143=11440, Resulting Numbers: [11440] 11440,88 unequal: No Solution Moving to Node #0,3,2 Current State: 88:[78, 145], Operations: ['77+3=80', '65+80=145'] Exploring Operation: 78*145=11310, Resulting Numbers: [11310] 11310,88 unequal: No Solution Exploring Operation: 145-78=67, Resulting Numbers: [67] 67,88 unequal: No Solution Exploring Operation: 78+145=223, Resulting Numbers: [223] 223,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 73, 6, 93, 24 ]
96
[ "93-73=20", "6*20=120", "120-24=96" ]
Current State: 96:[73, 6, 93, 24], Operations: [] Exploring Operation: 93-73=20, Resulting Numbers: [6, 24, 20] Generated Node #2: [6, 24, 20] from Operation: 93-73=20 Current State: 96:[6, 24, 20], Operations: ['93-73=20'] Exploring Operation: 6*20=120, Resulting Numbers: [24, 120] Generated Node #3: [24, 120] from Operation: 6*20=120 Current State: 96:[24, 120], Operations: ['93-73=20', '6*20=120'] Exploring Operation: 120-24=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[73, 6, 93, 24], Operations: [] Exploring Operation: 93-73=20, Resulting Numbers: [6, 24, 20] Generated Node #0,0: 96:[6, 24, 20] Operation: 93-73=20 Moving to Node #0,0 Current State: 96:[6, 24, 20], Operations: ['93-73=20'] Exploring Operation: 24-20=4, Resulting Numbers: [6, 4] Generated Node #0,0,0: 96:[6, 4] Operation: 24-20=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 96:[6, 4], Operations: ['93-73=20', '24-20=4'] Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 13, 89, 73, 51 ]
48
[ "89-13=76", "73+51=124", "124-76=48" ]
Current State: 48:[13, 89, 73, 51], Operations: [] Exploring Operation: 89-13=76, Resulting Numbers: [73, 51, 76] Generated Node #2: [73, 51, 76] from Operation: 89-13=76 Current State: 48:[73, 51, 76], Operations: ['89-13=76'] Exploring Operation: 73+51=124, Resulting Numbers: [76, 124] Generated Node #3: [76, 124] from Operation: 73+51=124 Current State: 48:[76, 124], Operations: ['89-13=76', '73+51=124'] Exploring Operation: 124-76=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[13, 89, 73, 51], Operations: [] Exploring Operation: 89-73=16, Resulting Numbers: [13, 51, 16] Generated Node #0,0: 48:[13, 51, 16] Operation: 89-73=16 Exploring Operation: 89-51=38, Resulting Numbers: [13, 73, 38] Generated Node #0,1: 48:[13, 73, 38] Operation: 89-51=38 Moving to Node #0,0 Current State: 48:[13, 51, 16], Operations: ['89-73=16'] Exploring Operation: 16-13=3, Resulting Numbers: [51, 3] Generated Node #0,0,0: 48:[51, 3] Operation: 16-13=3 Exploring Operation: 13+16=29, Resulting Numbers: [51, 29] Generated Node #0,0,1: 48:[51, 29] Operation: 13+16=29 Moving to Node #0,1 Current State: 48:[13, 73, 38], Operations: ['89-51=38'] Exploring Operation: 73-13=60, Resulting Numbers: [38, 60] Generated Node #0,1,0: 48:[38, 60] Operation: 73-13=60 Exploring Operation: 73-38=35, Resulting Numbers: [13, 35] Generated Node #0,1,1: 48:[13, 35] Operation: 73-38=35 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 48:[13, 35], Operations: ['89-51=38', '73-38=35'] Exploring Operation: 35-13=22, Resulting Numbers: [22] 22,48 unequal: No Solution Exploring Operation: 13+35=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[13, 89, 73, 51], Operations: [] Exploring Operation: 89-51=38, Resulting Numbers: [13, 73, 38] Generated Node #0,1: 48:[13, 73, 38] Operation: 89-51=38 Moving to Node #0,1 Current State: 48:[13, 73, 38], Operations: ['89-51=38'] Exploring Operation: 73-38=35, Resulting Numbers: [13, 35] Generated Node #0,1,1: 48:[13, 35] Operation: 73-38=35 Moving to Node #0,1,1 Current State: 48:[13, 35], Operations: ['89-51=38', '73-38=35'] Exploring Operation: 13+35=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 26, 54, 84, 36 ]
39
[ "54-26=28", "84/28=3", "36+3=39" ]
Current State: 39:[26, 54, 84, 36], Operations: [] Exploring Operation: 54-26=28, Resulting Numbers: [84, 36, 28] Generated Node #2: [84, 36, 28] from Operation: 54-26=28 Current State: 39:[84, 36, 28], Operations: ['54-26=28'] Exploring Operation: 84/28=3, Resulting Numbers: [36, 3] Generated Node #3: [36, 3] from Operation: 84/28=3 Current State: 39:[36, 3], Operations: ['54-26=28', '84/28=3'] Exploring Operation: 36+3=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[26, 54, 84, 36], Operations: [] Exploring Operation: 84-36=48, Resulting Numbers: [26, 54, 48] Generated Node #0,0: 39:[26, 54, 48] Operation: 84-36=48 Exploring Operation: 84-26=58, Resulting Numbers: [54, 36, 58] Generated Node #0,1: 39:[54, 36, 58] Operation: 84-26=58 Exploring Operation: 84-54=30, Resulting Numbers: [26, 36, 30] Generated Node #0,2: 39:[26, 36, 30] Operation: 84-54=30 Start Sub Search at level 1: Moving to Node #0,2 Current State: 39:[26, 36, 30], Operations: ['84-54=30'] Exploring Operation: 30-26=4, Resulting Numbers: [36, 4] Generated Node #0,2,0: 39:[36, 4] Operation: 30-26=4 Exploring Operation: 36-30=6, Resulting Numbers: [26, 6] Generated Node #0,2,1: 39:[26, 6] Operation: 36-30=6 Exploring Operation: 36-26=10, Resulting Numbers: [30, 10] Generated Node #0,2,2: 39:[30, 10] Operation: 36-26=10 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 39:[36, 4], Operations: ['84-54=30', '30-26=4'] Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,39 unequal: No Solution Exploring Operation: 36+4=40, Resulting Numbers: [40] 40,39 unequal: No Solution Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 39:[30, 10], Operations: ['84-54=30', '36-26=10'] Exploring Operation: 30-10=20, Resulting Numbers: [20] 20,39 unequal: No Solution Exploring Operation: 30+10=40, Resulting Numbers: [40] 40,39 unequal: No Solution Exploring Operation: 30/10=3, Resulting Numbers: [3] 3,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 39:[26, 6], Operations: ['84-54=30', '36-30=6'] Exploring Operation: 26+6=32, Resulting Numbers: [32] 32,39 unequal: No Solution Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,39 unequal: No Solution Exploring Operation: 26*6=156, Resulting Numbers: [156] 156,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[26, 54, 48], Operations: ['84-36=48'] Exploring Operation: 54-48=6, Resulting Numbers: [26, 6] Generated Node #0,0,0: 39:[26, 6] Operation: 54-48=6 Exploring Operation: 54-26=28, Resulting Numbers: [48, 28] Generated Node #0,0,1: 39:[48, 28] Operation: 54-26=28 Exploring Operation: 48-26=22, Resulting Numbers: [54, 22] Generated Node #0,0,2: 39:[54, 22] Operation: 48-26=22 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 39:[26, 6], Operations: ['84-36=48', '54-48=6'] Exploring Operation: 26*6=156, Resulting Numbers: [156] 156,39 unequal: No Solution Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,39 unequal: No Solution Exploring Operation: 26+6=32, Resulting Numbers: [32] 32,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 39:[48, 28], Operations: ['84-36=48', '54-26=28'] Exploring Operation: 48-28=20, Resulting Numbers: [20] 20,39 unequal: No Solution Exploring Operation: 48+28=76, Resulting Numbers: [76] 76,39 unequal: No Solution Exploring Operation: 48*28=1344, Resulting Numbers: [1344] 1344,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 39:[54, 22], Operations: ['84-36=48', '48-26=22'] Exploring Operation: 54+22=76, Resulting Numbers: [76] 76,39 unequal: No Solution Exploring Operation: 54*22=1188, Resulting Numbers: [1188] 1188,39 unequal: No Solution Exploring Operation: 54-22=32, Resulting Numbers: [32] 32,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 39:[54, 36, 58], Operations: ['84-26=58'] Exploring Operation: 58-54=4, Resulting Numbers: [36, 4] Generated Node #0,1,0: 39:[36, 4] Operation: 58-54=4 Exploring Operation: 58-36=22, Resulting Numbers: [54, 22] Generated Node #0,1,1: 39:[54, 22] Operation: 58-36=22 Exploring Operation: 54-36=18, Resulting Numbers: [58, 18] Generated Node #0,1,2: 39:[58, 18] Operation: 54-36=18 Moving to Node #0,1,0 Current State: 39:[36, 4], Operations: ['84-26=58', '58-54=4'] Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,39 unequal: No Solution Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,39 unequal: No Solution Exploring Operation: 36+4=40, Resulting Numbers: [40] 40,39 unequal: No Solution Moving to Node #0,1,1 Current State: 39:[54, 22], Operations: ['84-26=58', '58-36=22'] Exploring Operation: 54-22=32, Resulting Numbers: [32] 32,39 unequal: No Solution Exploring Operation: 54*22=1188, Resulting Numbers: [1188] 1188,39 unequal: No Solution Exploring Operation: 54+22=76, Resulting Numbers: [76] 76,39 unequal: No Solution Moving to Node #0,1,2 Current State: 39:[58, 18], Operations: ['84-26=58', '54-36=18'] Exploring Operation: 58*18=1044, Resulting Numbers: [1044] 1044,39 unequal: No Solution Exploring Operation: 58+18=76, Resulting Numbers: [76] 76,39 unequal: No Solution Exploring Operation: 58-18=40, Resulting Numbers: [40] 40,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 3, 87, 45, 4 ]
56
[ "87-45=42", "42/3=14", "4*14=56" ]
Current State: 56:[3, 87, 45, 4], Operations: [] Exploring Operation: 87-45=42, Resulting Numbers: [3, 4, 42] Generated Node #2: [3, 4, 42] from Operation: 87-45=42 Current State: 56:[3, 4, 42], Operations: ['87-45=42'] Exploring Operation: 42/3=14, Resulting Numbers: [4, 14] Generated Node #3: [4, 14] from Operation: 42/3=14 Current State: 56:[4, 14], Operations: ['87-45=42', '42/3=14'] Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[3, 87, 45, 4], Operations: [] Exploring Operation: 87-45=42, Resulting Numbers: [3, 4, 42] Generated Node #0,0: 56:[3, 4, 42] Operation: 87-45=42 Exploring Operation: 87/3=29, Resulting Numbers: [45, 4, 29] Generated Node #0,1: 56:[45, 4, 29] Operation: 87/3=29 Exploring Operation: 45/3=15, Resulting Numbers: [87, 4, 15] Generated Node #0,2: 56:[87, 4, 15] Operation: 45/3=15 Start Sub Search at level 1: Moving to Node #0,1 Current State: 56:[45, 4, 29], Operations: ['87/3=29'] Exploring Operation: 45+4=49, Resulting Numbers: [29, 49] Generated Node #0,1,0: 56:[29, 49] Operation: 45+4=49 Exploring Operation: 45-29=16, Resulting Numbers: [4, 16] Generated Node #0,1,1: 56:[4, 16] Operation: 45-29=16 Exploring Operation: 45-4=41, Resulting Numbers: [29, 41] Generated Node #0,1,2: 56:[29, 41] Operation: 45-4=41 Moving to Node #0,1,1 Current State: 56:[4, 16], Operations: ['87/3=29', '45-29=16'] Exploring Operation: 4+16=20, Resulting Numbers: [20] 20,56 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,56 unequal: No Solution Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,56 unequal: No Solution Moving to Node #0,1,0 Current State: 56:[29, 49], Operations: ['87/3=29', '45+4=49'] Exploring Operation: 29+49=78, Resulting Numbers: [78] 78,56 unequal: No Solution Exploring Operation: 29*49=1421, Resulting Numbers: [1421] 1421,56 unequal: No Solution Exploring Operation: 49-29=20, Resulting Numbers: [20] 20,56 unequal: No Solution Moving to Node #0,1,2 Current State: 56:[29, 41], Operations: ['87/3=29', '45-4=41'] Exploring Operation: 29+41=70, Resulting Numbers: [70] 70,56 unequal: No Solution Exploring Operation: 41-29=12, Resulting Numbers: [12] 12,56 unequal: No Solution Exploring Operation: 29*41=1189, Resulting Numbers: [1189] 1189,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[3, 4, 42], Operations: ['87-45=42'] Exploring Operation: 42/3=14, Resulting Numbers: [4, 14] Generated Node #0,0,0: 56:[4, 14] Operation: 42/3=14 Exploring Operation: 42-3=39, Resulting Numbers: [4, 39] Generated Node #0,0,1: 56:[4, 39] Operation: 42-3=39 Exploring Operation: 3+42=45, Resulting Numbers: [4, 45] Generated Node #0,0,2: 56:[4, 45] Operation: 3+42=45 Moving to Node #0,0,0 Current State: 56:[4, 14], Operations: ['87-45=42', '42/3=14'] Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,56 unequal: No Solution Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,56 unequal: No Solution Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[3, 87, 45, 4], Operations: [] Exploring Operation: 87-45=42, Resulting Numbers: [3, 4, 42] Generated Node #0,0: 56:[3, 4, 42] Operation: 87-45=42 Moving to Node #0,0 Current State: 56:[3, 4, 42], Operations: ['87-45=42'] Exploring Operation: 42/3=14, Resulting Numbers: [4, 14] Generated Node #0,0,0: 56:[4, 14] Operation: 42/3=14 Moving to Node #0,0,0 Current State: 56:[4, 14], Operations: ['87-45=42', '42/3=14'] Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_3
sum_heuristic
[ 74, 8, 79, 75 ]
87
[ "75-74=1", "8+79=87", "1*87=87" ]
Current State: 87:[74, 8, 79, 75], Operations: [] Exploring Operation: 75-74=1, Resulting Numbers: [8, 79, 1] Generated Node #2: [8, 79, 1] from Operation: 75-74=1 Current State: 87:[8, 79, 1], Operations: ['75-74=1'] Exploring Operation: 8+79=87, Resulting Numbers: [1, 87] Generated Node #3: [1, 87] from Operation: 8+79=87 Current State: 87:[1, 87], Operations: ['75-74=1', '8+79=87'] Exploring Operation: 1*87=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[74, 8, 79, 75], Operations: [] Exploring Operation: 75-74=1, Resulting Numbers: [8, 79, 1] Generated Node #0,0: 87:[8, 79, 1] Operation: 75-74=1 Exploring Operation: 79-74=5, Resulting Numbers: [8, 75, 5] Generated Node #0,1: 87:[8, 75, 5] Operation: 79-74=5 Exploring Operation: 79-75=4, Resulting Numbers: [74, 8, 4] Generated Node #0,2: 87:[74, 8, 4] Operation: 79-75=4 Moving to Node #0,0 Current State: 87:[8, 79, 1], Operations: ['75-74=1'] Exploring Operation: 8+79=87, Resulting Numbers: [1, 87] Generated Node #0,0,0: 87:[1, 87] Operation: 8+79=87 Exploring Operation: 79+1=80, Resulting Numbers: [8, 80] Generated Node #0,0,1: 87:[8, 80] Operation: 79+1=80 Exploring Operation: 8-1=7, Resulting Numbers: [79, 7] Generated Node #0,0,2: 87:[79, 7] Operation: 8-1=7 Moving to Node #0,1 Current State: 87:[8, 75, 5], Operations: ['79-74=5'] Exploring Operation: 8-5=3, Resulting Numbers: [75, 3] Generated Node #0,1,0: 87:[75, 3] Operation: 8-5=3 Exploring Operation: 8+75=83, Resulting Numbers: [5, 83] Generated Node #0,1,1: 87:[5, 83] Operation: 8+75=83 Exploring Operation: 75+5=80, Resulting Numbers: [8, 80] Generated Node #0,1,2: 87:[8, 80] Operation: 75+5=80 Moving to Node #0,2 Current State: 87:[74, 8, 4], Operations: ['79-75=4'] Exploring Operation: 74+8=82, Resulting Numbers: [4, 82] Generated Node #0,2,0: 87:[4, 82] Operation: 74+8=82 Exploring Operation: 74+4=78, Resulting Numbers: [8, 78] Generated Node #0,2,1: 87:[8, 78] Operation: 74+4=78 Exploring Operation: 8-4=4, Resulting Numbers: [74, 4] Generated Node #0,2,2: 87:[74, 4] Operation: 8-4=4 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 87:[4, 82], Operations: ['79-75=4', '74+8=82'] Exploring Operation: 82-4=78, Resulting Numbers: [78] 78,87 unequal: No Solution Exploring Operation: 4*82=328, Resulting Numbers: [328] 328,87 unequal: No Solution Exploring Operation: 4+82=86, Resulting Numbers: [86] 86,87 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 #0,2,1 Current State: 87:[8, 78], Operations: ['79-75=4', '74+4=78'] Exploring Operation: 8+78=86, Resulting Numbers: [86] 86,87 unequal: No Solution Exploring Operation: 8*78=624, Resulting Numbers: [624] 624,87 unequal: No Solution Exploring Operation: 78-8=70, Resulting Numbers: [70] 70,87 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 #0,2,2 Current State: 87:[74, 4], Operations: ['79-75=4', '8-4=4'] Exploring Operation: 74+4=78, Resulting Numbers: [78] 78,87 unequal: No Solution Exploring Operation: 74-4=70, Resulting Numbers: [70] 70,87 unequal: No Solution Exploring Operation: 74*4=296, Resulting Numbers: [296] 296,87 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: 87:[1, 87], Operations: ['75-74=1', '8+79=87'] Exploring Operation: 1+87=88, Resulting Numbers: [88] 88,87 unequal: No Solution Exploring Operation: 87/1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[74, 8, 79, 75], Operations: [] Exploring Operation: 75-74=1, Resulting Numbers: [8, 79, 1] Generated Node #0,0: 87:[8, 79, 1] Operation: 75-74=1 Moving to Node #0,0 Current State: 87:[8, 79, 1], Operations: ['75-74=1'] Exploring Operation: 8+79=87, Resulting Numbers: [1, 87] Generated Node #0,0,0: 87:[1, 87] Operation: 8+79=87 Moving to Node #0,0,0 Current State: 87:[1, 87], Operations: ['75-74=1', '8+79=87'] Exploring Operation: 87/1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
0.976563
hs_3
mult_heuristic
[ 1, 38, 5, 60 ]
94
[ "1+38=39", "60-5=55", "39+55=94" ]
Current State: 94:[1, 38, 5, 60], Operations: [] Exploring Operation: 1+38=39, Resulting Numbers: [5, 60, 39] Generated Node #2: [5, 60, 39] from Operation: 1+38=39 Current State: 94:[5, 60, 39], Operations: ['1+38=39'] Exploring Operation: 60-5=55, Resulting Numbers: [39, 55] Generated Node #3: [39, 55] from Operation: 60-5=55 Current State: 94:[39, 55], Operations: ['1+38=39', '60-5=55'] Exploring Operation: 39+55=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[1, 38, 5, 60], Operations: [] Exploring Operation: 60-5=55, Resulting Numbers: [1, 38, 55] Generated Node #0,0: 94:[1, 38, 55] Operation: 60-5=55 Exploring Operation: 38+60=98, Resulting Numbers: [1, 5, 98] Generated Node #0,1: 94:[1, 5, 98] Operation: 38+60=98 Exploring Operation: 60/5=12, Resulting Numbers: [1, 38, 12] Generated Node #0,2: 94:[1, 38, 12] Operation: 60/5=12 Exploring Operation: 38+5=43, Resulting Numbers: [1, 60, 43] Generated Node #0,3: 94:[1, 60, 43] Operation: 38+5=43 Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[1, 5, 98], Operations: ['38+60=98'] Exploring Operation: 1*5=5, Resulting Numbers: [98, 5] Generated Node #0,1,0: 94:[98, 5] Operation: 1*5=5 Exploring Operation: 98-1=97, Resulting Numbers: [5, 97] Generated Node #0,1,1: 94:[5, 97] Operation: 98-1=97 Exploring Operation: 98-5=93, Resulting Numbers: [1, 93] Generated Node #0,1,2: 94:[1, 93] Operation: 98-5=93 Exploring Operation: 5-1=4, Resulting Numbers: [98, 4] Generated Node #0,1,3: 94:[98, 4] Operation: 5-1=4 Moving to Node #0,1,2 Current State: 94:[1, 93], Operations: ['38+60=98', '98-5=93'] Exploring Operation: 1*93=93, Resulting Numbers: [93] 93,94 unequal: No Solution Exploring Operation: 93/1=93, Resulting Numbers: [93] 93,94 unequal: No Solution Exploring Operation: 93-1=92, Resulting Numbers: [92] 92,94 unequal: No Solution Exploring Operation: 1+93=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[1, 38, 5, 60], Operations: [] Exploring Operation: 38+60=98, Resulting Numbers: [1, 5, 98] Generated Node #0,1: 94:[1, 5, 98] Operation: 38+60=98 Moving to Node #0,1 Current State: 94:[1, 5, 98], Operations: ['38+60=98'] Exploring Operation: 98-5=93, Resulting Numbers: [1, 93] Generated Node #0,1,2: 94:[1, 93] Operation: 98-5=93 Moving to Node #0,1,2 Current State: 94:[1, 93], Operations: ['38+60=98', '98-5=93'] Exploring Operation: 1+93=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 4, 16, 80, 2 ]
84
[ "80-4=76", "16/2=8", "76+8=84" ]
Current State: 84:[4, 16, 80, 2], Operations: [] Exploring Operation: 80-4=76, Resulting Numbers: [16, 2, 76] Generated Node #2: [16, 2, 76] from Operation: 80-4=76 Current State: 84:[16, 2, 76], Operations: ['80-4=76'] Exploring Operation: 16/2=8, Resulting Numbers: [76, 8] Generated Node #3: [76, 8] from Operation: 16/2=8 Current State: 84:[76, 8], Operations: ['80-4=76', '16/2=8'] Exploring Operation: 76+8=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[4, 16, 80, 2], Operations: [] Exploring Operation: 4+80=84, Resulting Numbers: [16, 2, 84] Generated Node #0,0: 84:[16, 2, 84] Operation: 4+80=84 Exploring Operation: 80/4=20, Resulting Numbers: [16, 2, 20] Generated Node #0,1: 84:[16, 2, 20] Operation: 80/4=20 Exploring Operation: 80/16=5, Resulting Numbers: [4, 2, 5] Generated Node #0,2: 84:[4, 2, 5] Operation: 80/16=5 Exploring Operation: 16-4=12, Resulting Numbers: [80, 2, 12] Generated Node #0,3: 84:[80, 2, 12] Operation: 16-4=12 Start Sub Search at level 1: Moving to Node #0,2 Current State: 84:[4, 2, 5], Operations: ['80/16=5'] Exploring Operation: 4+2=6, Resulting Numbers: [5, 6] Generated Node #0,2,0: 84:[5, 6] Operation: 4+2=6 Exploring Operation: 5-2=3, Resulting Numbers: [4, 3] Generated Node #0,2,1: 84:[4, 3] Operation: 5-2=3 Exploring Operation: 4-2=2, Resulting Numbers: [5, 2] Generated Node #0,2,2: 84:[5, 2] Operation: 4-2=2 Exploring Operation: 2+5=7, Resulting Numbers: [4, 7] Generated Node #0,2,3: 84:[4, 7] Operation: 2+5=7 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 84:[4, 3], Operations: ['80/16=5', '5-2=3'] Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,84 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,84 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,84 unequal: No Solution No 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: 84:[4, 7], Operations: ['80/16=5', '2+5=7'] Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,84 unequal: No Solution Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,84 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,84 unequal: No Solution No 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: 84:[5, 6], Operations: ['80/16=5', '4+2=6'] Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,84 unequal: No Solution Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,84 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,84 unequal: No Solution No 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: 84:[5, 2], Operations: ['80/16=5', '4-2=2'] Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,84 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,84 unequal: No Solution Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,84 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 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[16, 2, 84], Operations: ['4+80=84'] Exploring Operation: 16-2=14, Resulting Numbers: [84, 14] Generated Node #0,0,0: 84:[84, 14] Operation: 16-2=14 Exploring Operation: 16/2=8, Resulting Numbers: [84, 8] Generated Node #0,0,1: 84:[84, 8] Operation: 16/2=8 Exploring Operation: 84/2=42, Resulting Numbers: [16, 42] Generated Node #0,0,2: 84:[16, 42] Operation: 84/2=42 Exploring Operation: 16+2=18, Resulting Numbers: [84, 18] Generated Node #0,0,3: 84:[84, 18] Operation: 16+2=18 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 84:[84, 14], Operations: ['4+80=84', '16-2=14'] Exploring Operation: 84/14=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 84+14=98, Resulting Numbers: [98] 98,84 unequal: No Solution Exploring Operation: 84*14=1176, Resulting Numbers: [1176] 1176,84 unequal: No Solution Exploring Operation: 84-14=70, Resulting Numbers: [70] 70,84 unequal: No Solution No 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: 84:[84, 8], Operations: ['4+80=84', '16/2=8'] Exploring Operation: 84*8=672, Resulting Numbers: [672] 672,84 unequal: No Solution Exploring Operation: 84-8=76, Resulting Numbers: [76] 76,84 unequal: No Solution Exploring Operation: 84+8=92, Resulting Numbers: [92] 92,84 unequal: No Solution No 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: 84:[16, 42], Operations: ['4+80=84', '84/2=42'] Exploring Operation: 16+42=58, Resulting Numbers: [58] 58,84 unequal: No Solution Exploring Operation: 16*42=672, Resulting Numbers: [672] 672,84 unequal: No Solution Exploring Operation: 42-16=26, Resulting Numbers: [26] 26,84 unequal: No Solution No 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: 84:[84, 18], Operations: ['4+80=84', '16+2=18'] Exploring Operation: 84-18=66, Resulting Numbers: [66] 66,84 unequal: No Solution Exploring Operation: 84*18=1512, Resulting Numbers: [1512] 1512,84 unequal: No Solution Exploring Operation: 84+18=102, Resulting Numbers: [102] 102,84 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 Start Sub Search at level 1: Moving to Node #0,1 Current State: 84:[16, 2, 20], Operations: ['80/4=20'] Exploring Operation: 20-16=4, Resulting Numbers: [2, 4] Generated Node #0,1,0: 84:[2, 4] Operation: 20-16=4 Exploring Operation: 16/2=8, Resulting Numbers: [20, 8] Generated Node #0,1,1: 84:[20, 8] Operation: 16/2=8 Exploring Operation: 2+20=22, Resulting Numbers: [16, 22] Generated Node #0,1,2: 84:[16, 22] Operation: 2+20=22 Exploring Operation: 16-2=14, Resulting Numbers: [20, 14] Generated Node #0,1,3: 84:[20, 14] Operation: 16-2=14 Moving to Node #0,1,0 Current State: 84:[2, 4], Operations: ['80/4=20', '20-16=4'] Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,84 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,84 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,84 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,84 unequal: No Solution Moving to Node #0,1,3 Current State: 84:[20, 14], Operations: ['80/4=20', '16-2=14'] Exploring Operation: 20-14=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 20*14=280, Resulting Numbers: [280] 280,84 unequal: No Solution Exploring Operation: 20+14=34, Resulting Numbers: [34] 34,84 unequal: No Solution Moving to Node #0,1,1 Current State: 84:[20, 8], Operations: ['80/4=20', '16/2=8'] Exploring Operation: 20+8=28, Resulting Numbers: [28] 28,84 unequal: No Solution Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,84 unequal: No Solution Exploring Operation: 20*8=160, Resulting Numbers: [160] 160,84 unequal: No Solution Moving to Node #0,1,2 Current State: 84:[16, 22], Operations: ['80/4=20', '2+20=22'] Exploring Operation: 16*22=352, Resulting Numbers: [352] 352,84 unequal: No Solution Exploring Operation: 22-16=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 16+22=38, Resulting Numbers: [38] 38,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 84:[80, 2, 12], Operations: ['16-4=12'] Exploring Operation: 12/2=6, Resulting Numbers: [80, 6] Generated Node #0,3,0: 84:[80, 6] Operation: 12/2=6 Exploring Operation: 80/2=40, Resulting Numbers: [12, 40] Generated Node #0,3,1: 84:[12, 40] Operation: 80/2=40 Exploring Operation: 80+2=82, Resulting Numbers: [12, 82] Generated Node #0,3,2: 84:[12, 82] Operation: 80+2=82 Exploring Operation: 2+12=14, Resulting Numbers: [80, 14] Generated Node #0,3,3: 84:[80, 14] Operation: 2+12=14 Moving to Node #0,3,1 Current State: 84:[12, 40], Operations: ['16-4=12', '80/2=40'] Exploring Operation: 12*40=480, Resulting Numbers: [480] 480,84 unequal: No Solution Exploring Operation: 12+40=52, Resulting Numbers: [52] 52,84 unequal: No Solution Exploring Operation: 40-12=28, Resulting Numbers: [28] 28,84 unequal: No Solution Moving to Node #0,3,2 Current State: 84:[12, 82], Operations: ['16-4=12', '80+2=82'] Exploring Operation: 82-12=70, Resulting Numbers: [70] 70,84 unequal: No Solution Exploring Operation: 12+82=94, Resulting Numbers: [94] 94,84 unequal: No Solution Exploring Operation: 12*82=984, Resulting Numbers: [984] 984,84 unequal: No Solution Moving to Node #0,3,3 Current State: 84:[80, 14], Operations: ['16-4=12', '2+12=14'] Exploring Operation: 80*14=1120, Resulting Numbers: [1120] 1120,84 unequal: No Solution Exploring Operation: 80+14=94, Resulting Numbers: [94] 94,84 unequal: No Solution Exploring Operation: 80-14=66, Resulting Numbers: [66] 66,84 unequal: No Solution Moving to Node #0,3,0 Current State: 84:[80, 6], Operations: ['16-4=12', '12/2=6'] Exploring Operation: 80-6=74, Resulting Numbers: [74] 74,84 unequal: No Solution Exploring Operation: 80*6=480, Resulting Numbers: [480] 480,84 unequal: No Solution Exploring Operation: 80+6=86, Resulting Numbers: [86] 86,84 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
[ 23, 79, 24, 69 ]
100
[ "69/23=3", "79+24=103", "103-3=100" ]
Current State: 100:[23, 79, 24, 69], Operations: [] Exploring Operation: 69/23=3, Resulting Numbers: [79, 24, 3] Generated Node #2: [79, 24, 3] from Operation: 69/23=3 Current State: 100:[79, 24, 3], Operations: ['69/23=3'] Exploring Operation: 79+24=103, Resulting Numbers: [3, 103] Generated Node #3: [3, 103] from Operation: 79+24=103 Current State: 100:[3, 103], Operations: ['69/23=3', '79+24=103'] Exploring Operation: 103-3=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[23, 79, 24, 69], Operations: [] Exploring Operation: 79-69=10, Resulting Numbers: [23, 24, 10] Generated Node #0,0: 100:[23, 24, 10] Operation: 79-69=10 Exploring Operation: 79+24=103, Resulting Numbers: [23, 69, 103] Generated Node #0,1: 100:[23, 69, 103] Operation: 79+24=103 Exploring Operation: 79-23=56, Resulting Numbers: [24, 69, 56] Generated Node #0,2: 100:[24, 69, 56] Operation: 79-23=56 Exploring Operation: 69/23=3, Resulting Numbers: [79, 24, 3] Generated Node #0,3: 100:[79, 24, 3] Operation: 69/23=3 Exploring Operation: 23+79=102, Resulting Numbers: [24, 69, 102] Generated Node #0,4: 100:[24, 69, 102] Operation: 23+79=102 Moving to Node #0,0 Current State: 100:[23, 24, 10], Operations: ['79-69=10'] Exploring Operation: 24-10=14, Resulting Numbers: [23, 14] Generated Node #0,0,0: 100:[23, 14] Operation: 24-10=14 Exploring Operation: 23+24=47, Resulting Numbers: [10, 47] Generated Node #0,0,1: 100:[10, 47] Operation: 23+24=47 Exploring Operation: 23-10=13, Resulting Numbers: [24, 13] Generated Node #0,0,2: 100:[24, 13] Operation: 23-10=13 Exploring Operation: 23+10=33, Resulting Numbers: [24, 33] Generated Node #0,0,3: 100:[24, 33] Operation: 23+10=33 Exploring Operation: 24-23=1, Resulting Numbers: [10, 1] Generated Node #0,0,4: 100:[10, 1] Operation: 24-23=1 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 100:[10, 1], Operations: ['79-69=10', '24-23=1'] Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,100 unequal: No Solution Exploring Operation: 10*1=10, Resulting Numbers: [10] 10,100 unequal: No Solution Exploring Operation: 10+1=11, Resulting Numbers: [11] 11,100 unequal: No Solution Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 100:[10, 47], Operations: ['79-69=10', '23+24=47'] Exploring Operation: 10+47=57, Resulting Numbers: [57] 57,100 unequal: No Solution Exploring Operation: 47-10=37, Resulting Numbers: [37] 37,100 unequal: No Solution Exploring Operation: 10*47=470, Resulting Numbers: [470] 470,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 100:[24, 13], Operations: ['79-69=10', '23-10=13'] Exploring Operation: 24-13=11, Resulting Numbers: [11] 11,100 unequal: No Solution Exploring Operation: 24+13=37, Resulting Numbers: [37] 37,100 unequal: No Solution Exploring Operation: 24*13=312, Resulting Numbers: [312] 312,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 100:[23, 14], Operations: ['79-69=10', '24-10=14'] Exploring Operation: 23+14=37, Resulting Numbers: [37] 37,100 unequal: No Solution Exploring Operation: 23-14=9, Resulting Numbers: [9] 9,100 unequal: No Solution Exploring Operation: 23*14=322, Resulting Numbers: [322] 322,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 100:[24, 33], Operations: ['79-69=10', '23+10=33'] Exploring Operation: 33-24=9, Resulting Numbers: [9] 9,100 unequal: No Solution Exploring Operation: 24+33=57, Resulting Numbers: [57] 57,100 unequal: No Solution Exploring Operation: 24*33=792, Resulting Numbers: [792] 792,100 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: 100:[24, 69, 102], Operations: ['23+79=102'] Exploring Operation: 102-24=78, Resulting Numbers: [69, 78] Generated Node #0,4,0: 100:[69, 78] Operation: 102-24=78 Exploring Operation: 102-69=33, Resulting Numbers: [24, 33] Generated Node #0,4,1: 100:[24, 33] Operation: 102-69=33 Exploring Operation: 69-24=45, Resulting Numbers: [102, 45] Generated Node #0,4,2: 100:[102, 45] Operation: 69-24=45 Exploring Operation: 24+102=126, Resulting Numbers: [69, 126] Generated Node #0,4,3: 100:[69, 126] Operation: 24+102=126 Exploring Operation: 24+69=93, Resulting Numbers: [102, 93] Generated Node #0,4,4: 100:[102, 93] Operation: 24+69=93 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 100:[102, 45], Operations: ['23+79=102', '69-24=45'] Exploring Operation: 102+45=147, Resulting Numbers: [147] 147,100 unequal: No Solution Exploring Operation: 102*45=4590, Resulting Numbers: [4590] 4590,100 unequal: No Solution Exploring Operation: 102-45=57, Resulting Numbers: [57] 57,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 100:[24, 33], Operations: ['23+79=102', '102-69=33'] Exploring Operation: 24+33=57, Resulting Numbers: [57] 57,100 unequal: No Solution Exploring Operation: 24*33=792, Resulting Numbers: [792] 792,100 unequal: No Solution Exploring Operation: 33-24=9, Resulting Numbers: [9] 9,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 100:[102, 93], Operations: ['23+79=102', '24+69=93'] Exploring Operation: 102-93=9, Resulting Numbers: [9] 9,100 unequal: No Solution Exploring Operation: 102*93=9486, Resulting Numbers: [9486] 9486,100 unequal: No Solution Exploring Operation: 102+93=195, Resulting Numbers: [195] 195,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 100:[69, 78], Operations: ['23+79=102', '102-24=78'] Exploring Operation: 78-69=9, Resulting Numbers: [9] 9,100 unequal: No Solution Exploring Operation: 69*78=5382, Resulting Numbers: [5382] 5382,100 unequal: No Solution Exploring Operation: 69+78=147, Resulting Numbers: [147] 147,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 100:[69, 126], Operations: ['23+79=102', '24+102=126'] Exploring Operation: 69*126=8694, Resulting Numbers: [8694] 8694,100 unequal: No Solution Exploring Operation: 126-69=57, Resulting Numbers: [57] 57,100 unequal: No Solution Exploring Operation: 69+126=195, Resulting Numbers: [195] 195,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 100:[79, 24, 3], Operations: ['69/23=3'] Exploring Operation: 24+3=27, Resulting Numbers: [79, 27] Generated Node #0,3,0: 100:[79, 27] Operation: 24+3=27 Exploring Operation: 79-24=55, Resulting Numbers: [3, 55] Generated Node #0,3,1: 100:[3, 55] Operation: 79-24=55 Exploring Operation: 79+24=103, Resulting Numbers: [3, 103] Generated Node #0,3,2: 100:[3, 103] Operation: 79+24=103 Exploring Operation: 24-3=21, Resulting Numbers: [79, 21] Generated Node #0,3,3: 100:[79, 21] Operation: 24-3=21 Exploring Operation: 79+3=82, Resulting Numbers: [24, 82] Generated Node #0,3,4: 100:[24, 82] Operation: 79+3=82 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 100:[3, 103], Operations: ['69/23=3', '79+24=103'] Exploring Operation: 3*103=309, Resulting Numbers: [309] 309,100 unequal: No Solution Exploring Operation: 3+103=106, Resulting Numbers: [106] 106,100 unequal: No Solution Exploring Operation: 103-3=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[23, 79, 24, 69], Operations: [] Exploring Operation: 69/23=3, Resulting Numbers: [79, 24, 3] Generated Node #0,3: 100:[79, 24, 3] Operation: 69/23=3 Moving to Node #0,3 Current State: 100:[79, 24, 3], Operations: ['69/23=3'] Exploring Operation: 79+24=103, Resulting Numbers: [3, 103] Generated Node #0,3,2: 100:[3, 103] Operation: 79+24=103 Moving to Node #0,3,2 Current State: 100:[3, 103], Operations: ['69/23=3', '79+24=103'] Exploring Operation: 103-3=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.949653
hs_5
sum_heuristic
[ 96, 44, 58, 34 ]
32
[ "96*34=3264", "44+58=102", "3264/102=32" ]
Current State: 32:[96, 44, 58, 34], Operations: [] Exploring Operation: 96*34=3264, Resulting Numbers: [44, 58, 3264] Generated Node #2: [44, 58, 3264] from Operation: 96*34=3264 Current State: 32:[44, 58, 3264], Operations: ['96*34=3264'] Exploring Operation: 44+58=102, Resulting Numbers: [3264, 102] Generated Node #3: [3264, 102] from Operation: 44+58=102 Current State: 32:[3264, 102], Operations: ['96*34=3264', '44+58=102'] Exploring Operation: 3264/102=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[96, 44, 58, 34], Operations: [] Exploring Operation: 96-58=38, Resulting Numbers: [44, 34, 38] Generated Node #0,0: 32:[44, 34, 38] Operation: 96-58=38 Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[44, 34, 38], Operations: ['96-58=38'] Exploring Operation: 44-38=6, Resulting Numbers: [34, 6] Generated Node #0,0,0: 32:[34, 6] Operation: 44-38=6 Moving to Node #0,0,0 Current State: 32:[34, 6], Operations: ['96-58=38', '44-38=6'] Exploring Operation: 34-6=28, Resulting Numbers: [28] 28,32 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
[ 49, 66, 66, 64 ]
49
[ "66-66=0", "64*0=0", "49+0=49" ]
Current State: 49:[49, 66, 66, 64], Operations: [] Exploring Operation: 66-66=0, Resulting Numbers: [49, 64, 0] Generated Node #2: [49, 64, 0] from Operation: 66-66=0 Current State: 49:[49, 64, 0], Operations: ['66-66=0'] Exploring Operation: 64*0=0, Resulting Numbers: [49, 0] Generated Node #3: [49, 0] from Operation: 64*0=0 Current State: 49:[49, 0], Operations: ['66-66=0', '64*0=0'] Exploring Operation: 49+0=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[49, 66, 66, 64], Operations: [] Exploring Operation: 66-66=0, Resulting Numbers: [49, 64, 0] Generated Node #0,0: 49:[49, 64, 0] Operation: 66-66=0 Exploring Operation: 66/66=1, Resulting Numbers: [49, 64, 1] Generated Node #0,1: 49:[49, 64, 1] Operation: 66/66=1 Exploring Operation: 66-64=2, Resulting Numbers: [49, 66, 2] Generated Node #0,2: 49:[49, 66, 2] Operation: 66-64=2 Exploring Operation: 66-64=2, Resulting Numbers: [49, 66, 2] Generated Node #0,3: 49:[49, 66, 2] Operation: 66-64=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 49:[49, 64, 1], Operations: ['66/66=1'] Exploring Operation: 64-49=15, Resulting Numbers: [1, 15] Generated Node #0,1,0: 49:[1, 15] Operation: 64-49=15 Exploring Operation: 49*1=49, Resulting Numbers: [64, 49] Generated Node #0,1,1: 49:[64, 49] Operation: 49*1=49 Exploring Operation: 64-1=63, Resulting Numbers: [49, 63] Generated Node #0,1,2: 49:[49, 63] Operation: 64-1=63 Exploring Operation: 49/1=49, Resulting Numbers: [64, 49] Generated Node #0,1,3: 49:[64, 49] Operation: 49/1=49 Moving to Node #0,1,0 Current State: 49:[1, 15], Operations: ['66/66=1', '64-49=15'] Exploring Operation: 15-1=14, Resulting Numbers: [14] 14,49 unequal: No Solution Exploring Operation: 1*15=15, Resulting Numbers: [15] 15,49 unequal: No Solution Exploring Operation: 15/1=15, Resulting Numbers: [15] 15,49 unequal: No Solution Exploring Operation: 1+15=16, Resulting Numbers: [16] 16,49 unequal: No Solution Moving to Node #0,1,2 Current State: 49:[49, 63], Operations: ['66/66=1', '64-1=63'] Exploring Operation: 49*63=3087, Resulting Numbers: [3087] 3087,49 unequal: No Solution Exploring Operation: 49+63=112, Resulting Numbers: [112] 112,49 unequal: No Solution Exploring Operation: 63-49=14, Resulting Numbers: [14] 14,49 unequal: No Solution Moving to Node #0,1,3 Current State: 49:[64, 49], Operations: ['66/66=1', '49/1=49'] Exploring Operation: 64-49=15, Resulting Numbers: [15] 15,49 unequal: No Solution Exploring Operation: 64*49=3136, Resulting Numbers: [3136] 3136,49 unequal: No Solution Exploring Operation: 64+49=113, Resulting Numbers: [113] 113,49 unequal: No Solution Moving to Node #0,1,1 Current State: 49:[64, 49], Operations: ['66/66=1', '49*1=49'] Exploring Operation: 64+49=113, Resulting Numbers: [113] 113,49 unequal: No Solution Exploring Operation: 64*49=3136, Resulting Numbers: [3136] 3136,49 unequal: No Solution Exploring Operation: 64-49=15, Resulting Numbers: [15] 15,49 unequal: No Solution No 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: 49:[49, 64, 0], Operations: ['66-66=0'] Exploring Operation: 49+0=49, Resulting Numbers: [64, 49] Generated Node #0,0,0: 49:[64, 49] Operation: 49+0=49 Exploring Operation: 64-49=15, Resulting Numbers: [0, 15] Generated Node #0,0,1: 49:[0, 15] Operation: 64-49=15 Exploring Operation: 64*0=0, Resulting Numbers: [49, 0] Generated Node #0,0,2: 49:[49, 0] Operation: 64*0=0 Exploring Operation: 49-0=49, Resulting Numbers: [64, 49] Generated Node #0,0,3: 49:[64, 49] Operation: 49-0=49 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 49:[49, 0], Operations: ['66-66=0', '64*0=0'] Exploring Operation: 49*0=0, Resulting Numbers: [0] 0,49 unequal: No Solution Exploring Operation: 49-0=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[49, 66, 66, 64], Operations: [] Exploring Operation: 66-66=0, Resulting Numbers: [49, 64, 0] Generated Node #0,0: 49:[49, 64, 0] Operation: 66-66=0 Moving to Node #0,0 Current State: 49:[49, 64, 0], Operations: ['66-66=0'] Exploring Operation: 64*0=0, Resulting Numbers: [49, 0] Generated Node #0,0,2: 49:[49, 0] Operation: 64*0=0 Moving to Node #0,0,2 Current State: 49:[49, 0], Operations: ['66-66=0', '64*0=0'] Exploring Operation: 49-0=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.97309
hs_4
sum_heuristic
[ 13, 41, 75, 25 ]
50
[ "13*75=975", "41*25=1025", "1025-975=50" ]
Current State: 50:[13, 41, 75, 25], Operations: [] Exploring Operation: 13*75=975, Resulting Numbers: [41, 25, 975] Generated Node #2: [41, 25, 975] from Operation: 13*75=975 Current State: 50:[41, 25, 975], Operations: ['13*75=975'] Exploring Operation: 41*25=1025, Resulting Numbers: [975, 1025] Generated Node #3: [975, 1025] from Operation: 41*25=1025 Current State: 50:[975, 1025], Operations: ['13*75=975', '41*25=1025'] Exploring Operation: 1025-975=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[13, 41, 75, 25], Operations: [] Exploring Operation: 41-13=28, Resulting Numbers: [75, 25, 28] Generated Node #0,0: 50:[75, 25, 28] Operation: 41-13=28 Exploring Operation: 75-41=34, Resulting Numbers: [13, 25, 34] Generated Node #0,1: 50:[13, 25, 34] Operation: 75-41=34 Exploring Operation: 75-13=62, Resulting Numbers: [41, 25, 62] Generated Node #0,2: 50:[41, 25, 62] Operation: 75-13=62 Exploring Operation: 75-25=50, Resulting Numbers: [13, 41, 50] Generated Node #0,3: 50:[13, 41, 50] Operation: 75-25=50 Exploring Operation: 75/25=3, Resulting Numbers: [13, 41, 3] Generated Node #0,4: 50:[13, 41, 3] Operation: 75/25=3 Moving to Node #0,1 Current State: 50:[13, 25, 34], Operations: ['75-41=34'] Exploring Operation: 25+34=59, Resulting Numbers: [13, 59] Generated Node #0,1,0: 50:[13, 59] Operation: 25+34=59 Exploring Operation: 25-13=12, Resulting Numbers: [34, 12] Generated Node #0,1,1: 50:[34, 12] Operation: 25-13=12 Exploring Operation: 34-25=9, Resulting Numbers: [13, 9] Generated Node #0,1,2: 50:[13, 9] Operation: 34-25=9 Exploring Operation: 13+34=47, Resulting Numbers: [25, 47] Generated Node #0,1,3: 50:[25, 47] Operation: 13+34=47 Exploring Operation: 34-13=21, Resulting Numbers: [25, 21] Generated Node #0,1,4: 50:[25, 21] Operation: 34-13=21 Moving to Node #0,3 Current State: 50:[13, 41, 50], Operations: ['75-25=50'] Exploring Operation: 50-41=9, Resulting Numbers: [13, 9] Generated Node #0,3,0: 50:[13, 9] Operation: 50-41=9 Exploring Operation: 50-13=37, Resulting Numbers: [41, 37] Generated Node #0,3,1: 50:[41, 37] Operation: 50-13=37 Exploring Operation: 13+50=63, Resulting Numbers: [41, 63] Generated Node #0,3,2: 50:[41, 63] Operation: 13+50=63 Exploring Operation: 13+41=54, Resulting Numbers: [50, 54] Generated Node #0,3,3: 50:[50, 54] Operation: 13+41=54 Exploring Operation: 41-13=28, Resulting Numbers: [50, 28] Generated Node #0,3,4: 50:[50, 28] Operation: 41-13=28 Moving to Node #0,4 Current State: 50:[13, 41, 3], Operations: ['75/25=3'] Exploring Operation: 41+3=44, Resulting Numbers: [13, 44] Generated Node #0,4,0: 50:[13, 44] Operation: 41+3=44 Exploring Operation: 41-13=28, Resulting Numbers: [3, 28] Generated Node #0,4,1: 50:[3, 28] Operation: 41-13=28 Exploring Operation: 13+3=16, Resulting Numbers: [41, 16] Generated Node #0,4,2: 50:[41, 16] Operation: 13+3=16 Exploring Operation: 13-3=10, Resulting Numbers: [41, 10] Generated Node #0,4,3: 50:[41, 10] Operation: 13-3=10 Exploring Operation: 13+41=54, Resulting Numbers: [3, 54] Generated Node #0,4,4: 50:[3, 54] Operation: 13+41=54 Moving to Node #0,2 Current State: 50:[41, 25, 62], Operations: ['75-13=62'] Exploring Operation: 41-25=16, Resulting Numbers: [62, 16] Generated Node #0,2,0: 50:[62, 16] Operation: 41-25=16 Exploring Operation: 62-41=21, Resulting Numbers: [25, 21] Generated Node #0,2,1: 50:[25, 21] Operation: 62-41=21 Exploring Operation: 62-25=37, Resulting Numbers: [41, 37] Generated Node #0,2,2: 50:[41, 37] Operation: 62-25=37 Exploring Operation: 41+25=66, Resulting Numbers: [62, 66] Generated Node #0,2,3: 50:[62, 66] Operation: 41+25=66 Exploring Operation: 25+62=87, Resulting Numbers: [41, 87] Generated Node #0,2,4: 50:[41, 87] Operation: 25+62=87 Moving to Node #0,0 Current State: 50:[75, 25, 28], Operations: ['41-13=28'] Exploring Operation: 75-25=50, Resulting Numbers: [28, 50] Generated Node #0,0,0: 50:[28, 50] Operation: 75-25=50 Exploring Operation: 75-28=47, Resulting Numbers: [25, 47] Generated Node #0,0,1: 50:[25, 47] Operation: 75-28=47 Exploring Operation: 28-25=3, Resulting Numbers: [75, 3] Generated Node #0,0,2: 50:[75, 3] Operation: 28-25=3 Exploring Operation: 25+28=53, Resulting Numbers: [75, 53] Generated Node #0,0,3: 50:[75, 53] Operation: 25+28=53 Exploring Operation: 75/25=3, Resulting Numbers: [28, 3] Generated Node #0,0,4: 50:[28, 3] Operation: 75/25=3 Moving to Node #0,1,3 Current State: 50:[25, 47], Operations: ['75-41=34', '13+34=47'] Exploring Operation: 25+47=72, Resulting Numbers: [72] 72,50 unequal: No Solution Exploring Operation: 25*47=1175, Resulting Numbers: [1175] 1175,50 unequal: No Solution Exploring Operation: 47-25=22, Resulting Numbers: [22] 22,50 unequal: No Solution Moving to Node #0,3,4 Current State: 50:[50, 28], Operations: ['75-25=50', '41-13=28'] Exploring Operation: 50+28=78, Resulting Numbers: [78] 78,50 unequal: No Solution Exploring Operation: 50-28=22, Resulting Numbers: [22] 22,50 unequal: No Solution Exploring Operation: 50*28=1400, Resulting Numbers: [1400] 1400,50 unequal: No Solution Moving to Node #0,0,0 Current State: 50:[28, 50], Operations: ['41-13=28', '75-25=50'] Exploring Operation: 28+50=78, Resulting Numbers: [78] 78,50 unequal: No Solution Exploring Operation: 28*50=1400, Resulting Numbers: [1400] 1400,50 unequal: No Solution Exploring Operation: 50-28=22, Resulting Numbers: [22] 22,50 unequal: No Solution Moving to Node #0,0,1 Current State: 50:[25, 47], Operations: ['41-13=28', '75-28=47'] Exploring Operation: 25+47=72, Resulting Numbers: [72] 72,50 unequal: No Solution Exploring Operation: 25*47=1175, Resulting Numbers: [1175] 1175,50 unequal: No Solution Exploring Operation: 47-25=22, Resulting Numbers: [22] 22,50 unequal: No Solution Moving to Node #0,3,0 Current State: 50:[13, 9], Operations: ['75-25=50', '50-41=9'] Exploring Operation: 13*9=117, Resulting Numbers: [117] 117,50 unequal: No Solution Exploring Operation: 13-9=4, Resulting Numbers: [4] 4,50 unequal: No Solution Exploring Operation: 13+9=22, Resulting Numbers: [22] 22,50 unequal: No Solution Moving to Node #0,1,4 Current State: 50:[25, 21], Operations: ['75-41=34', '34-13=21'] Exploring Operation: 25+21=46, Resulting Numbers: [46] 46,50 unequal: No Solution Exploring Operation: 25*21=525, Resulting Numbers: [525] 525,50 unequal: No Solution Exploring Operation: 25-21=4, Resulting Numbers: [4] 4,50 unequal: No Solution Moving to Node #0,1,2 Current State: 50:[13, 9], Operations: ['75-41=34', '34-25=9'] Exploring Operation: 13-9=4, Resulting Numbers: [4] 4,50 unequal: No Solution Exploring Operation: 13+9=22, Resulting Numbers: [22] 22,50 unequal: No Solution Exploring Operation: 13*9=117, Resulting Numbers: [117] 117,50 unequal: No Solution Moving to Node #0,0,4 Current State: 50:[28, 3], Operations: ['41-13=28', '75/25=3'] Exploring Operation: 28+3=31, Resulting Numbers: [31] 31,50 unequal: No Solution Exploring Operation: 28*3=84, Resulting Numbers: [84] 84,50 unequal: No Solution Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,50 unequal: No Solution Moving to Node #0,4,1 Current State: 50:[3, 28], Operations: ['75/25=3', '41-13=28'] Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,50 unequal: No Solution Exploring Operation: 3*28=84, Resulting Numbers: [84] 84,50 unequal: No Solution Exploring Operation: 3+28=31, Resulting Numbers: [31] 31,50 unequal: No Solution Moving to Node #0,3,3 Current State: 50:[50, 54], Operations: ['75-25=50', '13+41=54'] Exploring Operation: 50+54=104, Resulting Numbers: [104] 104,50 unequal: No Solution Exploring Operation: 50*54=2700, Resulting Numbers: [2700] 2700,50 unequal: No Solution Exploring Operation: 54-50=4, Resulting Numbers: [4] 4,50 unequal: No Solution Moving to Node #0,2,1 Current State: 50:[25, 21], Operations: ['75-13=62', '62-41=21'] Exploring Operation: 25*21=525, Resulting Numbers: [525] 525,50 unequal: No Solution Exploring Operation: 25-21=4, Resulting Numbers: [4] 4,50 unequal: No Solution Exploring Operation: 25+21=46, Resulting Numbers: [46] 46,50 unequal: No Solution Moving to Node #0,4,4 Current State: 50:[3, 54], Operations: ['75/25=3', '13+41=54'] Exploring Operation: 3+54=57, Resulting Numbers: [57] 57,50 unequal: No Solution Exploring Operation: 54/3=18, Resulting Numbers: [18] 18,50 unequal: No Solution Exploring Operation: 3*54=162, Resulting Numbers: [162] 162,50 unequal: No Solution Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,50 unequal: No Solution Moving to Node #0,4,3 Current State: 50:[41, 10], Operations: ['75/25=3', '13-3=10'] Exploring Operation: 41+10=51, Resulting Numbers: [51] 51,50 unequal: No Solution Exploring Operation: 41-10=31, Resulting Numbers: [31] 31,50 unequal: No Solution Exploring Operation: 41*10=410, Resulting Numbers: [410] 410,50 unequal: No Solution Moving to Node #0,4,0 Current State: 50:[13, 44], Operations: ['75/25=3', '41+3=44'] Exploring Operation: 13*44=572, Resulting Numbers: [572] 572,50 unequal: No Solution Exploring Operation: 13+44=57, Resulting Numbers: [57] 57,50 unequal: No Solution Exploring Operation: 44-13=31, Resulting Numbers: [31] 31,50 unequal: No Solution Moving to Node #0,1,1 Current State: 50:[34, 12], Operations: ['75-41=34', '25-13=12'] Exploring Operation: 34+12=46, Resulting Numbers: [46] 46,50 unequal: No Solution Exploring Operation: 34*12=408, Resulting Numbers: [408] 408,50 unequal: No Solution Exploring Operation: 34-12=22, Resulting Numbers: [22] 22,50 unequal: No Solution Moving to Node #0,1,0 Current State: 50:[13, 59], Operations: ['75-41=34', '25+34=59'] Exploring Operation: 13*59=767, Resulting Numbers: [767] 767,50 unequal: No Solution Exploring Operation: 13+59=72, Resulting Numbers: [72] 72,50 unequal: No Solution Exploring Operation: 59-13=46, Resulting Numbers: [46] 46,50 unequal: No Solution Moving to Node #0,4,2 Current State: 50:[41, 16], Operations: ['75/25=3', '13+3=16'] Exploring Operation: 41+16=57, Resulting Numbers: [57] 57,50 unequal: No Solution Exploring Operation: 41*16=656, Resulting Numbers: [656] 656,50 unequal: No Solution Exploring Operation: 41-16=25, Resulting Numbers: [25] 25,50 unequal: No Solution Moving to Node #0,2,0 Current State: 50:[62, 16], Operations: ['75-13=62', '41-25=16'] Exploring Operation: 62-16=46, Resulting Numbers: [46] 46,50 unequal: No Solution Exploring Operation: 62*16=992, Resulting Numbers: [992] 992,50 unequal: No Solution Exploring Operation: 62+16=78, Resulting Numbers: [78] 78,50 unequal: No Solution Moving to Node #0,3,1 Current State: 50:[41, 37], Operations: ['75-25=50', '50-13=37'] Exploring Operation: 41-37=4, Resulting Numbers: [4] 4,50 unequal: No Solution Exploring Operation: 41+37=78, Resulting Numbers: [78] 78,50 unequal: No Solution Exploring Operation: 41*37=1517, Resulting Numbers: [1517] 1517,50 unequal: No Solution Moving to Node #0,2,2 Current State: 50:[41, 37], Operations: ['75-13=62', '62-25=37'] Exploring Operation: 41-37=4, Resulting Numbers: [4] 4,50 unequal: No Solution Exploring Operation: 41+37=78, Resulting Numbers: [78] 78,50 unequal: No Solution Exploring Operation: 41*37=1517, Resulting Numbers: [1517] 1517,50 unequal: No Solution Moving to Node #0,3,2 Current State: 50:[41, 63], Operations: ['75-25=50', '13+50=63'] Exploring Operation: 63-41=22, Resulting Numbers: [22] 22,50 unequal: No Solution Exploring Operation: 41*63=2583, Resulting Numbers: [2583] 2583,50 unequal: No Solution Exploring Operation: 41+63=104, Resulting Numbers: [104] 104,50 unequal: No Solution Moving to Node #0,0,2 Current State: 50:[75, 3], Operations: ['41-13=28', '28-25=3'] Exploring Operation: 75*3=225, Resulting Numbers: [225] 225,50 unequal: No Solution Exploring Operation: 75-3=72, Resulting Numbers: [72] 72,50 unequal: No Solution Exploring Operation: 75+3=78, Resulting Numbers: [78] 78,50 unequal: No Solution Exploring Operation: 75/3=25, Resulting Numbers: [25] 25,50 unequal: No Solution Moving to Node #0,2,3 Current State: 50:[62, 66], Operations: ['75-13=62', '41+25=66'] Exploring Operation: 66-62=4, Resulting Numbers: [4] 4,50 unequal: No Solution Exploring Operation: 62+66=128, Resulting Numbers: [128] 128,50 unequal: No Solution Exploring Operation: 62*66=4092, Resulting Numbers: [4092] 4092,50 unequal: No Solution Moving to Node #0,0,3 Current State: 50:[75, 53], Operations: ['41-13=28', '25+28=53'] Exploring Operation: 75+53=128, Resulting Numbers: [128] 128,50 unequal: No Solution Exploring Operation: 75*53=3975, Resulting Numbers: [3975] 3975,50 unequal: No Solution Exploring Operation: 75-53=22, Resulting Numbers: [22] 22,50 unequal: No Solution Moving to Node #0,2,4 Current State: 50:[41, 87], Operations: ['75-13=62', '25+62=87'] Exploring Operation: 87-41=46, Resulting Numbers: [46] 46,50 unequal: No Solution Exploring Operation: 41*87=3567, Resulting Numbers: [3567] 3567,50 unequal: No Solution Exploring Operation: 41+87=128, Resulting Numbers: [128] 128,50 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 16, 60, 2, 16 ]
60
[ "16-16=0", "2*0=0", "60+0=60" ]
Current State: 60:[16, 60, 2, 16], Operations: [] Exploring Operation: 16-16=0, Resulting Numbers: [60, 2, 0] Generated Node #2: [60, 2, 0] from Operation: 16-16=0 Current State: 60:[60, 2, 0], Operations: ['16-16=0'] Exploring Operation: 2*0=0, Resulting Numbers: [60, 0] Generated Node #3: [60, 0] from Operation: 2*0=0 Current State: 60:[60, 0], Operations: ['16-16=0', '2*0=0'] Exploring Operation: 60+0=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[16, 60, 2, 16], Operations: [] Exploring Operation: 16+16=32, Resulting Numbers: [60, 2, 32] Generated Node #0,0: 60:[60, 2, 32] Operation: 16+16=32 Exploring Operation: 16-16=0, Resulting Numbers: [60, 2, 0] Generated Node #0,1: 60:[60, 2, 0] Operation: 16-16=0 Exploring Operation: 16-2=14, Resulting Numbers: [60, 16, 14] Generated Node #0,2: 60:[60, 16, 14] Operation: 16-2=14 Exploring Operation: 16/16=1, Resulting Numbers: [60, 2, 1] Generated Node #0,3: 60:[60, 2, 1] Operation: 16/16=1 Start Sub Search at level 1: Moving to Node #0,3 Current State: 60:[60, 2, 1], Operations: ['16/16=1'] Exploring Operation: 60/1=60, Resulting Numbers: [2, 60] Generated Node #0,3,0: 60:[2, 60] Operation: 60/1=60 Exploring Operation: 2*1=2, Resulting Numbers: [60, 2] Generated Node #0,3,1: 60:[60, 2] Operation: 2*1=2 Exploring Operation: 2+1=3, Resulting Numbers: [60, 3] Generated Node #0,3,2: 60:[60, 3] Operation: 2+1=3 Exploring Operation: 60*1=60, Resulting Numbers: [2, 60] Generated Node #0,3,3: 60:[2, 60] Operation: 60*1=60 Moving to Node #0,3,0 Current State: 60:[2, 60], Operations: ['16/16=1', '60/1=60'] Exploring Operation: 2*60=120, Resulting Numbers: [120] 120,60 unequal: No Solution Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,60 unequal: No Solution Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,60 unequal: No Solution Exploring Operation: 2+60=62, Resulting Numbers: [62] 62,60 unequal: No Solution Moving to Node #0,3,2 Current State: 60:[60, 3], Operations: ['16/16=1', '2+1=3'] Exploring Operation: 60-3=57, Resulting Numbers: [57] 57,60 unequal: No Solution Exploring Operation: 60+3=63, Resulting Numbers: [63] 63,60 unequal: No Solution Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,60 unequal: No Solution Exploring Operation: 60*3=180, Resulting Numbers: [180] 180,60 unequal: No Solution Moving to Node #0,3,1 Current State: 60:[60, 2], Operations: ['16/16=1', '2*1=2'] Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,60 unequal: No Solution Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,60 unequal: No Solution Exploring Operation: 60+2=62, Resulting Numbers: [62] 62,60 unequal: No Solution Exploring Operation: 60*2=120, Resulting Numbers: [120] 120,60 unequal: No Solution Moving to Node #0,3,3 Current State: 60:[2, 60], Operations: ['16/16=1', '60*1=60'] Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,60 unequal: No Solution Exploring Operation: 2+60=62, Resulting Numbers: [62] 62,60 unequal: No Solution Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,60 unequal: No Solution Exploring Operation: 2*60=120, Resulting Numbers: [120] 120,60 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:[60, 2, 32], Operations: ['16+16=32'] Exploring Operation: 60-32=28, Resulting Numbers: [2, 28] Generated Node #0,0,0: 60:[2, 28] Operation: 60-32=28 Exploring Operation: 32/2=16, Resulting Numbers: [60, 16] Generated Node #0,0,1: 60:[60, 16] Operation: 32/2=16 Exploring Operation: 32-2=30, Resulting Numbers: [60, 30] Generated Node #0,0,2: 60:[60, 30] Operation: 32-2=30 Exploring Operation: 60/2=30, Resulting Numbers: [32, 30] Generated Node #0,0,3: 60:[32, 30] Operation: 60/2=30 Moving to Node #0,0,2 Current State: 60:[60, 30], Operations: ['16+16=32', '32-2=30'] Exploring Operation: 60/30=2, Resulting Numbers: [2] 2,60 unequal: No Solution Exploring Operation: 60-30=30, Resulting Numbers: [30] 30,60 unequal: No Solution Exploring Operation: 60+30=90, Resulting Numbers: [90] 90,60 unequal: No Solution Exploring Operation: 60*30=1800, Resulting Numbers: [1800] 1800,60 unequal: No Solution Moving to Node #0,0,1 Current State: 60:[60, 16], Operations: ['16+16=32', '32/2=16'] Exploring Operation: 60+16=76, Resulting Numbers: [76] 76,60 unequal: No Solution Exploring Operation: 60*16=960, Resulting Numbers: [960] 960,60 unequal: No Solution Exploring Operation: 60-16=44, Resulting Numbers: [44] 44,60 unequal: No Solution Moving to Node #0,0,3 Current State: 60:[32, 30], Operations: ['16+16=32', '60/2=30'] Exploring Operation: 32*30=960, Resulting Numbers: [960] 960,60 unequal: No Solution Exploring Operation: 32-30=2, Resulting Numbers: [2] 2,60 unequal: No Solution Exploring Operation: 32+30=62, Resulting Numbers: [62] 62,60 unequal: No Solution Moving to Node #0,0,0 Current State: 60:[2, 28], Operations: ['16+16=32', '60-32=28'] Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,60 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,60 unequal: No Solution Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,60 unequal: No Solution Exploring Operation: 2*28=56, Resulting Numbers: [56] 56,60 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 #0,1 Current State: 60:[60, 2, 0], Operations: ['16-16=0'] Exploring Operation: 2+0=2, Resulting Numbers: [60, 2] Generated Node #0,1,0: 60:[60, 2] Operation: 2+0=2 Exploring Operation: 60-0=60, Resulting Numbers: [2, 60] Generated Node #0,1,1: 60:[2, 60] Operation: 60-0=60 Exploring Operation: 2-0=2, Resulting Numbers: [60, 2] Generated Node #0,1,2: 60:[60, 2] Operation: 2-0=2 Exploring Operation: 60+0=60, Resulting Numbers: [2, 60] Generated Node #0,1,3: 60:[2, 60] Operation: 60+0=60 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 60:[60, 2], Operations: ['16-16=0', '2+0=2'] Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,60 unequal: No Solution Exploring Operation: 60*2=120, Resulting Numbers: [120] 120,60 unequal: No Solution Exploring Operation: 60+2=62, Resulting Numbers: [62] 62,60 unequal: No Solution Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,60 unequal: No Solution No 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: 60:[2, 60], Operations: ['16-16=0', '60-0=60'] Exploring Operation: 2*60=120, Resulting Numbers: [120] 120,60 unequal: No Solution Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,60 unequal: No Solution Exploring Operation: 2+60=62, Resulting Numbers: [62] 62,60 unequal: No Solution Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,60 unequal: No Solution No 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: 60:[60, 2], Operations: ['16-16=0', '2-0=2'] Exploring Operation: 60*2=120, Resulting Numbers: [120] 120,60 unequal: No Solution Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,60 unequal: No Solution Exploring Operation: 60+2=62, Resulting Numbers: [62] 62,60 unequal: No Solution Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,60 unequal: No Solution No 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: 60:[2, 60], Operations: ['16-16=0', '60+0=60'] Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,60 unequal: No Solution Exploring Operation: 2*60=120, Resulting Numbers: [120] 120,60 unequal: No Solution Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,60 unequal: No Solution Exploring Operation: 2+60=62, Resulting Numbers: [62] 62,60 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: 60:[60, 16, 14], Operations: ['16-2=14'] Exploring Operation: 60-16=44, Resulting Numbers: [14, 44] Generated Node #0,2,0: 60:[14, 44] Operation: 60-16=44 Exploring Operation: 16+14=30, Resulting Numbers: [60, 30] Generated Node #0,2,1: 60:[60, 30] Operation: 16+14=30 Exploring Operation: 60+14=74, Resulting Numbers: [16, 74] Generated Node #0,2,2: 60:[16, 74] Operation: 60+14=74 Exploring Operation: 16-14=2, Resulting Numbers: [60, 2] Generated Node #0,2,3: 60:[60, 2] Operation: 16-14=2 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 60:[60, 30], Operations: ['16-2=14', '16+14=30'] Exploring Operation: 60*30=1800, Resulting Numbers: [1800] 1800,60 unequal: No Solution Exploring Operation: 60-30=30, Resulting Numbers: [30] 30,60 unequal: No Solution Exploring Operation: 60+30=90, Resulting Numbers: [90] 90,60 unequal: No Solution Exploring Operation: 60/30=2, Resulting Numbers: [2] 2,60 unequal: No Solution No 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: 60:[60, 2], Operations: ['16-2=14', '16-14=2'] Exploring Operation: 60+2=62, Resulting Numbers: [62] 62,60 unequal: No Solution Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,60 unequal: No Solution Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,60 unequal: No Solution Exploring Operation: 60*2=120, Resulting Numbers: [120] 120,60 unequal: No Solution No 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: 60:[14, 44], Operations: ['16-2=14', '60-16=44'] Exploring Operation: 14*44=616, Resulting Numbers: [616] 616,60 unequal: No Solution Exploring Operation: 44-14=30, Resulting Numbers: [30] 30,60 unequal: No Solution Exploring Operation: 14+44=58, Resulting Numbers: [58] 58,60 unequal: No Solution No 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: 60:[16, 74], Operations: ['16-2=14', '60+14=74'] Exploring Operation: 16+74=90, Resulting Numbers: [90] 90,60 unequal: No Solution Exploring Operation: 74-16=58, Resulting Numbers: [58] 58,60 unequal: No Solution Exploring Operation: 16*74=1184, Resulting Numbers: [1184] 1184,60 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
[ 61, 42, 14, 38 ]
53
[ "42/14=3", "38*3=114", "114-61=53" ]
Current State: 53:[61, 42, 14, 38], Operations: [] Exploring Operation: 42/14=3, Resulting Numbers: [61, 38, 3] Generated Node #2: [61, 38, 3] from Operation: 42/14=3 Current State: 53:[61, 38, 3], Operations: ['42/14=3'] Exploring Operation: 38*3=114, Resulting Numbers: [61, 114] Generated Node #3: [61, 114] from Operation: 38*3=114 Current State: 53:[61, 114], Operations: ['42/14=3', '38*3=114'] Exploring Operation: 114-61=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[61, 42, 14, 38], Operations: [] Exploring Operation: 42+14=56, Resulting Numbers: [61, 38, 56] Generated Node #0,0: 53:[61, 38, 56] Operation: 42+14=56 Exploring Operation: 14+38=52, Resulting Numbers: [61, 42, 52] Generated Node #0,1: 53:[61, 42, 52] Operation: 14+38=52 Exploring Operation: 61-14=47, Resulting Numbers: [42, 38, 47] Generated Node #0,2: 53:[42, 38, 47] Operation: 61-14=47 Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[61, 42, 52], Operations: ['14+38=52'] Exploring Operation: 61-42=19, Resulting Numbers: [52, 19] Generated Node #0,1,0: 53:[52, 19] Operation: 61-42=19 Exploring Operation: 61+42=103, Resulting Numbers: [52, 103] Generated Node #0,1,1: 53:[52, 103] Operation: 61+42=103 Exploring Operation: 42+52=94, Resulting Numbers: [61, 94] Generated Node #0,1,2: 53:[61, 94] Operation: 42+52=94 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 53:[52, 19], Operations: ['14+38=52', '61-42=19'] Exploring Operation: 52-19=33, Resulting Numbers: [33] 33,53 unequal: No Solution Exploring Operation: 52+19=71, Resulting Numbers: [71] 71,53 unequal: No Solution Exploring Operation: 52*19=988, Resulting Numbers: [988] 988,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 53:[61, 94], Operations: ['14+38=52', '42+52=94'] Exploring Operation: 61*94=5734, Resulting Numbers: [5734] 5734,53 unequal: No Solution Exploring Operation: 94-61=33, Resulting Numbers: [33] 33,53 unequal: No Solution Exploring Operation: 61+94=155, Resulting Numbers: [155] 155,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 53:[52, 103], Operations: ['14+38=52', '61+42=103'] Exploring Operation: 103-52=51, Resulting Numbers: [51] 51,53 unequal: No Solution Exploring Operation: 52+103=155, Resulting Numbers: [155] 155,53 unequal: No Solution Exploring Operation: 52*103=5356, Resulting Numbers: [5356] 5356,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[61, 38, 56], Operations: ['42+14=56'] Exploring Operation: 61+38=99, Resulting Numbers: [56, 99] Generated Node #0,0,0: 53:[56, 99] Operation: 61+38=99 Exploring Operation: 61-38=23, Resulting Numbers: [56, 23] Generated Node #0,0,1: 53:[56, 23] Operation: 61-38=23 Exploring Operation: 56-38=18, Resulting Numbers: [61, 18] Generated Node #0,0,2: 53:[61, 18] Operation: 56-38=18 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 53:[56, 23], Operations: ['42+14=56', '61-38=23'] Exploring Operation: 56-23=33, Resulting Numbers: [33] 33,53 unequal: No Solution Exploring Operation: 56+23=79, Resulting Numbers: [79] 79,53 unequal: No Solution Exploring Operation: 56*23=1288, Resulting Numbers: [1288] 1288,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 53:[61, 18], Operations: ['42+14=56', '56-38=18'] Exploring Operation: 61*18=1098, Resulting Numbers: [1098] 1098,53 unequal: No Solution Exploring Operation: 61+18=79, Resulting Numbers: [79] 79,53 unequal: No Solution Exploring Operation: 61-18=43, Resulting Numbers: [43] 43,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 53:[56, 99], Operations: ['42+14=56', '61+38=99'] Exploring Operation: 99-56=43, Resulting Numbers: [43] 43,53 unequal: No Solution Exploring Operation: 56*99=5544, Resulting Numbers: [5544] 5544,53 unequal: No Solution Exploring Operation: 56+99=155, Resulting Numbers: [155] 155,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 53:[42, 38, 47], Operations: ['61-14=47'] Exploring Operation: 42+47=89, Resulting Numbers: [38, 89] Generated Node #0,2,0: 53:[38, 89] Operation: 42+47=89 Exploring Operation: 38+47=85, Resulting Numbers: [42, 85] Generated Node #0,2,1: 53:[42, 85] Operation: 38+47=85 Exploring Operation: 42+38=80, Resulting Numbers: [47, 80] Generated Node #0,2,2: 53:[47, 80] Operation: 42+38=80 Moving to Node #0,2,2 Current State: 53:[47, 80], Operations: ['61-14=47', '42+38=80'] Exploring Operation: 47+80=127, Resulting Numbers: [127] 127,53 unequal: No Solution Exploring Operation: 80-47=33, Resulting Numbers: [33] 33,53 unequal: No Solution Exploring Operation: 47*80=3760, Resulting Numbers: [3760] 3760,53 unequal: No Solution Moving to Node #0,2,1 Current State: 53:[42, 85], Operations: ['61-14=47', '38+47=85'] Exploring Operation: 85-42=43, Resulting Numbers: [43] 43,53 unequal: No Solution Exploring Operation: 42*85=3570, Resulting Numbers: [3570] 3570,53 unequal: No Solution Exploring Operation: 42+85=127, Resulting Numbers: [127] 127,53 unequal: No Solution Moving to Node #0,2,0 Current State: 53:[38, 89], Operations: ['61-14=47', '42+47=89'] Exploring Operation: 38+89=127, Resulting Numbers: [127] 127,53 unequal: No Solution Exploring Operation: 89-38=51, Resulting Numbers: [51] 51,53 unequal: No Solution Exploring Operation: 38*89=3382, Resulting Numbers: [3382] 3382,53 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
[ 32, 55, 80, 66 ]
73
[ "32+55=87", "80-66=14", "87-14=73" ]
Current State: 73:[32, 55, 80, 66], Operations: [] Exploring Operation: 32+55=87, Resulting Numbers: [80, 66, 87] Generated Node #2: [80, 66, 87] from Operation: 32+55=87 Current State: 73:[80, 66, 87], Operations: ['32+55=87'] Exploring Operation: 80-66=14, Resulting Numbers: [87, 14] Generated Node #3: [87, 14] from Operation: 80-66=14 Current State: 73:[87, 14], Operations: ['32+55=87', '80-66=14'] Exploring Operation: 87-14=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[32, 55, 80, 66], Operations: [] Exploring Operation: 32+55=87, Resulting Numbers: [80, 66, 87] Generated Node #0,0: 73:[80, 66, 87] Operation: 32+55=87 Exploring Operation: 32+66=98, Resulting Numbers: [55, 80, 98] Generated Node #0,1: 73:[55, 80, 98] Operation: 32+66=98 Exploring Operation: 80-32=48, Resulting Numbers: [55, 66, 48] Generated Node #0,2: 73:[55, 66, 48] Operation: 80-32=48 Moving to Node #0,0 Current State: 73:[80, 66, 87], Operations: ['32+55=87'] Exploring Operation: 87-66=21, Resulting Numbers: [80, 21] Generated Node #0,0,0: 73:[80, 21] Operation: 87-66=21 Exploring Operation: 87-80=7, Resulting Numbers: [66, 7] Generated Node #0,0,1: 73:[66, 7] Operation: 87-80=7 Exploring Operation: 80-66=14, Resulting Numbers: [87, 14] Generated Node #0,0,2: 73:[87, 14] Operation: 80-66=14 Moving to Node #0,1 Current State: 73:[55, 80, 98], Operations: ['32+66=98'] Exploring Operation: 98-80=18, Resulting Numbers: [55, 18] Generated Node #0,1,0: 73:[55, 18] Operation: 98-80=18 Exploring Operation: 98-55=43, Resulting Numbers: [80, 43] Generated Node #0,1,1: 73:[80, 43] Operation: 98-55=43 Exploring Operation: 80-55=25, Resulting Numbers: [98, 25] Generated Node #0,1,2: 73:[98, 25] Operation: 80-55=25 Moving to Node #0,2 Current State: 73:[55, 66, 48], Operations: ['80-32=48'] Exploring Operation: 55+48=103, Resulting Numbers: [66, 103] Generated Node #0,2,0: 73:[66, 103] Operation: 55+48=103 Exploring Operation: 55+66=121, Resulting Numbers: [48, 121] Generated Node #0,2,1: 73:[48, 121] Operation: 55+66=121 Exploring Operation: 66+48=114, Resulting Numbers: [55, 114] Generated Node #0,2,2: 73:[55, 114] Operation: 66+48=114 Moving to Node #0,1,1 Current State: 73:[80, 43], Operations: ['32+66=98', '98-55=43'] Exploring Operation: 80-43=37, Resulting Numbers: [37] 37,73 unequal: No Solution Exploring Operation: 80+43=123, Resulting Numbers: [123] 123,73 unequal: No Solution Exploring Operation: 80*43=3440, Resulting Numbers: [3440] 3440,73 unequal: No Solution Moving to Node #0,2,0 Current State: 73:[66, 103], Operations: ['80-32=48', '55+48=103'] Exploring Operation: 66+103=169, Resulting Numbers: [169] 169,73 unequal: No Solution Exploring Operation: 103-66=37, Resulting Numbers: [37] 37,73 unequal: No Solution Exploring Operation: 66*103=6798, Resulting Numbers: [6798] 6798,73 unequal: No Solution Moving to Node #0,0,0 Current State: 73:[80, 21], Operations: ['32+55=87', '87-66=21'] Exploring Operation: 80-21=59, Resulting Numbers: [59] 59,73 unequal: No Solution Exploring Operation: 80*21=1680, Resulting Numbers: [1680] 1680,73 unequal: No Solution Exploring Operation: 80+21=101, Resulting Numbers: [101] 101,73 unequal: No Solution Moving to Node #0,2,2 Current State: 73:[55, 114], Operations: ['80-32=48', '66+48=114'] Exploring Operation: 114-55=59, Resulting Numbers: [59] 59,73 unequal: No Solution Exploring Operation: 55+114=169, Resulting Numbers: [169] 169,73 unequal: No Solution Exploring Operation: 55*114=6270, Resulting Numbers: [6270] 6270,73 unequal: No Solution Moving to Node #0,0,2 Current State: 73:[87, 14], Operations: ['32+55=87', '80-66=14'] Exploring Operation: 87*14=1218, Resulting Numbers: [1218] 1218,73 unequal: No Solution Exploring Operation: 87-14=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[32, 55, 80, 66], Operations: [] Exploring Operation: 32+55=87, Resulting Numbers: [80, 66, 87] Generated Node #0,0: 73:[80, 66, 87] Operation: 32+55=87 Moving to Node #0,0 Current State: 73:[80, 66, 87], Operations: ['32+55=87'] Exploring Operation: 80-66=14, Resulting Numbers: [87, 14] Generated Node #0,0,2: 73:[87, 14] Operation: 80-66=14 Moving to Node #0,0,2 Current State: 73:[87, 14], Operations: ['32+55=87', '80-66=14'] Exploring Operation: 87-14=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
0.973958
hs_3
mult_heuristic
[ 13, 11, 60, 47 ]
37
[ "13+11=24", "60-47=13", "24+13=37" ]
Current State: 37:[13, 11, 60, 47], Operations: [] Exploring Operation: 13+11=24, Resulting Numbers: [60, 47, 24] Generated Node #2: [60, 47, 24] from Operation: 13+11=24 Current State: 37:[60, 47, 24], Operations: ['13+11=24'] Exploring Operation: 60-47=13, Resulting Numbers: [24, 13] Generated Node #3: [24, 13] from Operation: 60-47=13 Current State: 37:[24, 13], Operations: ['13+11=24', '60-47=13'] Exploring Operation: 24+13=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[13, 11, 60, 47], Operations: [] Exploring Operation: 47-11=36, Resulting Numbers: [13, 60, 36] Generated Node #0,0: 37:[13, 60, 36] Operation: 47-11=36 Exploring Operation: 60-11=49, Resulting Numbers: [13, 47, 49] Generated Node #0,1: 37:[13, 47, 49] Operation: 60-11=49 Exploring Operation: 60-13=47, Resulting Numbers: [11, 47, 47] Generated Node #0,2: 37:[11, 47, 47] Operation: 60-13=47 Exploring Operation: 13+11=24, Resulting Numbers: [60, 47, 24] Generated Node #0,3: 37:[60, 47, 24] Operation: 13+11=24 Moving to Node #0,1 Current State: 37:[13, 47, 49], Operations: ['60-11=49'] Exploring Operation: 49-13=36, Resulting Numbers: [47, 36] Generated Node #0,1,0: 37:[47, 36] Operation: 49-13=36 Exploring Operation: 13+49=62, Resulting Numbers: [47, 62] Generated Node #0,1,1: 37:[47, 62] Operation: 13+49=62 Exploring Operation: 47-13=34, Resulting Numbers: [49, 34] Generated Node #0,1,2: 37:[49, 34] Operation: 47-13=34 Exploring Operation: 13+47=60, Resulting Numbers: [49, 60] Generated Node #0,1,3: 37:[49, 60] Operation: 13+47=60 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 37:[47, 36], Operations: ['60-11=49', '49-13=36'] Exploring Operation: 47-36=11, Resulting Numbers: [11] 11,37 unequal: No Solution Exploring Operation: 47+36=83, Resulting Numbers: [83] 83,37 unequal: No Solution Exploring Operation: 47*36=1692, Resulting Numbers: [1692] 1692,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 37:[49, 34], Operations: ['60-11=49', '47-13=34'] Exploring Operation: 49+34=83, Resulting Numbers: [83] 83,37 unequal: No Solution Exploring Operation: 49*34=1666, Resulting Numbers: [1666] 1666,37 unequal: No Solution Exploring Operation: 49-34=15, Resulting Numbers: [15] 15,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 37:[47, 62], Operations: ['60-11=49', '13+49=62'] Exploring Operation: 47*62=2914, Resulting Numbers: [2914] 2914,37 unequal: No Solution Exploring Operation: 62-47=15, Resulting Numbers: [15] 15,37 unequal: No Solution Exploring Operation: 47+62=109, Resulting Numbers: [109] 109,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 37:[49, 60], Operations: ['60-11=49', '13+47=60'] Exploring Operation: 49+60=109, Resulting Numbers: [109] 109,37 unequal: No Solution Exploring Operation: 60-49=11, Resulting Numbers: [11] 11,37 unequal: No Solution Exploring Operation: 49*60=2940, Resulting Numbers: [2940] 2940,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 37:[60, 47, 24], Operations: ['13+11=24'] Exploring Operation: 47-24=23, Resulting Numbers: [60, 23] Generated Node #0,3,0: 37:[60, 23] Operation: 47-24=23 Exploring Operation: 60-47=13, Resulting Numbers: [24, 13] Generated Node #0,3,1: 37:[24, 13] Operation: 60-47=13 Exploring Operation: 60+24=84, Resulting Numbers: [47, 84] Generated Node #0,3,2: 37:[47, 84] Operation: 60+24=84 Exploring Operation: 60-24=36, Resulting Numbers: [47, 36] Generated Node #0,3,3: 37:[47, 36] Operation: 60-24=36 Moving to Node #0,2 Current State: 37:[11, 47, 47], Operations: ['60-13=47'] Exploring Operation: 47-11=36, Resulting Numbers: [47, 36] Generated Node #0,2,0: 37:[47, 36] Operation: 47-11=36 Exploring Operation: 11+47=58, Resulting Numbers: [47, 58] Generated Node #0,2,1: 37:[47, 58] Operation: 11+47=58 Exploring Operation: 47-11=36, Resulting Numbers: [47, 36] Generated Node #0,2,2: 37:[47, 36] Operation: 47-11=36 Exploring Operation: 11+47=58, Resulting Numbers: [47, 58] Generated Node #0,2,3: 37:[47, 58] Operation: 11+47=58 Moving to Node #0,0 Current State: 37:[13, 60, 36], Operations: ['47-11=36'] Exploring Operation: 13+60=73, Resulting Numbers: [36, 73] Generated Node #0,0,0: 37:[36, 73] Operation: 13+60=73 Exploring Operation: 13+36=49, Resulting Numbers: [60, 49] Generated Node #0,0,1: 37:[60, 49] Operation: 13+36=49 Exploring Operation: 36-13=23, Resulting Numbers: [60, 23] Generated Node #0,0,2: 37:[60, 23] Operation: 36-13=23 Exploring Operation: 60-13=47, Resulting Numbers: [36, 47] Generated Node #0,0,3: 37:[36, 47] Operation: 60-13=47 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 37:[36, 47], Operations: ['47-11=36', '60-13=47'] Exploring Operation: 36+47=83, Resulting Numbers: [83] 83,37 unequal: No Solution Exploring Operation: 47-36=11, Resulting Numbers: [11] 11,37 unequal: No Solution Exploring Operation: 36*47=1692, Resulting Numbers: [1692] 1692,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 37:[60, 49], Operations: ['47-11=36', '13+36=49'] Exploring Operation: 60-49=11, Resulting Numbers: [11] 11,37 unequal: No Solution Exploring Operation: 60*49=2940, Resulting Numbers: [2940] 2940,37 unequal: No Solution Exploring Operation: 60+49=109, Resulting Numbers: [109] 109,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 37:[36, 73], Operations: ['47-11=36', '13+60=73'] Exploring Operation: 36*73=2628, Resulting Numbers: [2628] 2628,37 unequal: No Solution Exploring Operation: 73-36=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[13, 11, 60, 47], Operations: [] Exploring Operation: 47-11=36, Resulting Numbers: [13, 60, 36] Generated Node #0,0: 37:[13, 60, 36] Operation: 47-11=36 Moving to Node #0,0 Current State: 37:[13, 60, 36], Operations: ['47-11=36'] Exploring Operation: 13+60=73, Resulting Numbers: [36, 73] Generated Node #0,0,0: 37:[36, 73] Operation: 13+60=73 Moving to Node #0,0,0 Current State: 37:[36, 73], Operations: ['47-11=36', '13+60=73'] Exploring Operation: 73-36=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 1
0.961806
hs_4
mult_heuristic
[ 10, 11, 36, 7 ]
76
[ "11-7=4", "10*4=40", "36+40=76" ]
Current State: 76:[10, 11, 36, 7], Operations: [] Exploring Operation: 11-7=4, Resulting Numbers: [10, 36, 4] Generated Node #2: [10, 36, 4] from Operation: 11-7=4 Current State: 76:[10, 36, 4], Operations: ['11-7=4'] Exploring Operation: 10*4=40, Resulting Numbers: [36, 40] Generated Node #3: [36, 40] from Operation: 10*4=40 Current State: 76:[36, 40], Operations: ['11-7=4', '10*4=40'] Exploring Operation: 36+40=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[10, 11, 36, 7], Operations: [] Exploring Operation: 11-10=1, Resulting Numbers: [36, 7, 1] Generated Node #0,0: 76:[36, 7, 1] Operation: 11-10=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[36, 7, 1], Operations: ['11-10=1'] Exploring Operation: 36+1=37, Resulting Numbers: [7, 37] Generated Node #0,0,0: 76:[7, 37] Operation: 36+1=37 Moving to Node #0,0,0 Current State: 76:[7, 37], Operations: ['11-10=1', '36+1=37'] Exploring Operation: 7+37=44, Resulting Numbers: [44] 44,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 18, 16, 40, 64 ]
88
[ "18-16=2", "64*2=128", "128-40=88" ]
Current State: 88:[18, 16, 40, 64], Operations: [] Exploring Operation: 18-16=2, Resulting Numbers: [40, 64, 2] Generated Node #2: [40, 64, 2] from Operation: 18-16=2 Current State: 88:[40, 64, 2], Operations: ['18-16=2'] Exploring Operation: 64*2=128, Resulting Numbers: [40, 128] Generated Node #3: [40, 128] from Operation: 64*2=128 Current State: 88:[40, 128], Operations: ['18-16=2', '64*2=128'] Exploring Operation: 128-40=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[18, 16, 40, 64], Operations: [] Exploring Operation: 64/16=4, Resulting Numbers: [18, 40, 4] Generated Node #0,0: 88:[18, 40, 4] Operation: 64/16=4 Exploring Operation: 64-40=24, Resulting Numbers: [18, 16, 24] Generated Node #0,1: 88:[18, 16, 24] Operation: 64-40=24 Exploring Operation: 64-18=46, Resulting Numbers: [16, 40, 46] Generated Node #0,2: 88:[16, 40, 46] Operation: 64-18=46 Moving to Node #0,0 Current State: 88:[18, 40, 4], Operations: ['64/16=4'] Exploring Operation: 40-18=22, Resulting Numbers: [4, 22] Generated Node #0,0,0: 88:[4, 22] Operation: 40-18=22 Exploring Operation: 40+4=44, Resulting Numbers: [18, 44] Generated Node #0,0,1: 88:[18, 44] Operation: 40+4=44 Exploring Operation: 18+4=22, Resulting Numbers: [40, 22] Generated Node #0,0,2: 88:[40, 22] Operation: 18+4=22 Moving to Node #0,1 Current State: 88:[18, 16, 24], Operations: ['64-40=24'] Exploring Operation: 18-16=2, Resulting Numbers: [24, 2] Generated Node #0,1,0: 88:[24, 2] Operation: 18-16=2 Exploring Operation: 24-16=8, Resulting Numbers: [18, 8] Generated Node #0,1,1: 88:[18, 8] Operation: 24-16=8 Exploring Operation: 18+24=42, Resulting Numbers: [16, 42] Generated Node #0,1,2: 88:[16, 42] Operation: 18+24=42 Moving to Node #0,2 Current State: 88:[16, 40, 46], Operations: ['64-18=46'] Exploring Operation: 40+46=86, Resulting Numbers: [16, 86] Generated Node #0,2,0: 88:[16, 86] Operation: 40+46=86 Exploring Operation: 40-16=24, Resulting Numbers: [46, 24] Generated Node #0,2,1: 88:[46, 24] Operation: 40-16=24 Exploring Operation: 46-40=6, Resulting Numbers: [16, 6] Generated Node #0,2,2: 88:[16, 6] Operation: 46-40=6 Moving to Node #0,0,0 Current State: 88:[4, 22], Operations: ['64/16=4', '40-18=22'] Exploring Operation: 4+22=26, Resulting Numbers: [26] 26,88 unequal: No Solution Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,88 unequal: No Solution Exploring Operation: 4*22=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[18, 16, 40, 64], Operations: [] Exploring Operation: 64/16=4, Resulting Numbers: [18, 40, 4] Generated Node #0,0: 88:[18, 40, 4] Operation: 64/16=4 Moving to Node #0,0 Current State: 88:[18, 40, 4], Operations: ['64/16=4'] Exploring Operation: 40-18=22, Resulting Numbers: [4, 22] Generated Node #0,0,0: 88:[4, 22] Operation: 40-18=22 Moving to Node #0,0,0 Current State: 88:[4, 22], Operations: ['64/16=4', '40-18=22'] Exploring Operation: 4*22=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
0.983507
hs_3
sum_heuristic
[ 25, 39, 73, 89 ]
98
[ "25+39=64", "73+89=162", "162-64=98" ]
Current State: 98:[25, 39, 73, 89], Operations: [] Exploring Operation: 25+39=64, Resulting Numbers: [73, 89, 64] Generated Node #2: [73, 89, 64] from Operation: 25+39=64 Current State: 98:[73, 89, 64], Operations: ['25+39=64'] Exploring Operation: 73+89=162, Resulting Numbers: [64, 162] Generated Node #3: [64, 162] from Operation: 73+89=162 Current State: 98:[64, 162], Operations: ['25+39=64', '73+89=162'] Exploring Operation: 162-64=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[25, 39, 73, 89], Operations: [] Exploring Operation: 73-25=48, Resulting Numbers: [39, 89, 48] Generated Node #0,0: 98:[39, 89, 48] Operation: 73-25=48 Exploring Operation: 25+73=98, Resulting Numbers: [39, 89, 98] Generated Node #0,1: 98:[39, 89, 98] Operation: 25+73=98 Moving to Node #0,1 Current State: 98:[39, 89, 98], Operations: ['25+73=98'] Exploring Operation: 98-89=9, Resulting Numbers: [39, 9] Generated Node #0,1,0: 98:[39, 9] Operation: 98-89=9 Exploring Operation: 89-39=50, Resulting Numbers: [98, 50] Generated Node #0,1,1: 98:[98, 50] Operation: 89-39=50 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 98:[98, 50], Operations: ['25+73=98', '89-39=50'] Exploring Operation: 98+50=148, Resulting Numbers: [148] 148,98 unequal: No Solution Exploring Operation: 98-50=48, Resulting Numbers: [48] 48,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 98:[39, 9], Operations: ['25+73=98', '98-89=9'] Exploring Operation: 39+9=48, Resulting Numbers: [48] 48,98 unequal: No Solution Exploring Operation: 39-9=30, Resulting Numbers: [30] 30,98 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: 98:[39, 89, 48], Operations: ['73-25=48'] Exploring Operation: 48-39=9, Resulting Numbers: [89, 9] Generated Node #0,0,0: 98:[89, 9] Operation: 48-39=9 Exploring Operation: 89-39=50, Resulting Numbers: [48, 50] Generated Node #0,0,1: 98:[48, 50] Operation: 89-39=50 Moving to Node #0,0,1 Current State: 98:[48, 50], Operations: ['73-25=48', '89-39=50'] Exploring Operation: 48+50=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[25, 39, 73, 89], Operations: [] Exploring Operation: 73-25=48, Resulting Numbers: [39, 89, 48] Generated Node #0,0: 98:[39, 89, 48] Operation: 73-25=48 Moving to Node #0,0 Current State: 98:[39, 89, 48], Operations: ['73-25=48'] Exploring Operation: 89-39=50, Resulting Numbers: [48, 50] Generated Node #0,0,1: 98:[48, 50] Operation: 89-39=50 Moving to Node #0,0,1 Current State: 98:[48, 50], Operations: ['73-25=48', '89-39=50'] Exploring Operation: 48+50=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
0.986979
hs_2
sum_heuristic
[ 37, 55, 7, 6 ]
60
[ "55-37=18", "7*6=42", "18+42=60" ]
Current State: 60:[37, 55, 7, 6], Operations: [] Exploring Operation: 55-37=18, Resulting Numbers: [7, 6, 18] Generated Node #2: [7, 6, 18] from Operation: 55-37=18 Current State: 60:[7, 6, 18], Operations: ['55-37=18'] Exploring Operation: 7*6=42, Resulting Numbers: [18, 42] Generated Node #3: [18, 42] from Operation: 7*6=42 Current State: 60:[18, 42], Operations: ['55-37=18', '7*6=42'] Exploring Operation: 18+42=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[37, 55, 7, 6], Operations: [] Exploring Operation: 55-37=18, Resulting Numbers: [7, 6, 18] Generated Node #0,0: 60:[7, 6, 18] Operation: 55-37=18 Moving to Node #0,0 Current State: 60:[7, 6, 18], Operations: ['55-37=18'] Exploring Operation: 18-7=11, Resulting Numbers: [6, 11] Generated Node #0,0,0: 60:[6, 11] Operation: 18-7=11 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 60:[6, 11], Operations: ['55-37=18', '18-7=11'] Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,60 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
[ 90, 92, 52, 8 ]
34
[ "92-90=2", "52/2=26", "8+26=34" ]
Current State: 34:[90, 92, 52, 8], Operations: [] Exploring Operation: 92-90=2, Resulting Numbers: [52, 8, 2] Generated Node #2: [52, 8, 2] from Operation: 92-90=2 Current State: 34:[52, 8, 2], Operations: ['92-90=2'] Exploring Operation: 52/2=26, Resulting Numbers: [8, 26] Generated Node #3: [8, 26] from Operation: 52/2=26 Current State: 34:[8, 26], Operations: ['92-90=2', '52/2=26'] Exploring Operation: 8+26=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[90, 92, 52, 8], Operations: [] Exploring Operation: 90-52=38, Resulting Numbers: [92, 8, 38] Generated Node #0,0: 34:[92, 8, 38] Operation: 90-52=38 Exploring Operation: 90-8=82, Resulting Numbers: [92, 52, 82] Generated Node #0,1: 34:[92, 52, 82] Operation: 90-8=82 Exploring Operation: 92-90=2, Resulting Numbers: [52, 8, 2] Generated Node #0,2: 34:[52, 8, 2] Operation: 92-90=2 Exploring Operation: 92-8=84, Resulting Numbers: [90, 52, 84] Generated Node #0,3: 34:[90, 52, 84] Operation: 92-8=84 Exploring Operation: 92-52=40, Resulting Numbers: [90, 8, 40] Generated Node #0,4: 34:[90, 8, 40] Operation: 92-52=40 Start Sub Search at level 1: Moving to Node #0,2 Current State: 34:[52, 8, 2], Operations: ['92-90=2'] Exploring Operation: 8/2=4, Resulting Numbers: [52, 4] Generated Node #0,2,0: 34:[52, 4] Operation: 8/2=4 Exploring Operation: 52-8=44, Resulting Numbers: [2, 44] Generated Node #0,2,1: 34:[2, 44] Operation: 52-8=44 Exploring Operation: 52/2=26, Resulting Numbers: [8, 26] Generated Node #0,2,2: 34:[8, 26] Operation: 52/2=26 Exploring Operation: 52-2=50, Resulting Numbers: [8, 50] Generated Node #0,2,3: 34:[8, 50] Operation: 52-2=50 Exploring Operation: 8*2=16, Resulting Numbers: [52, 16] Generated Node #0,2,4: 34:[52, 16] Operation: 8*2=16 Moving to Node #0,2,1 Current State: 34:[2, 44], Operations: ['92-90=2', '52-8=44'] Exploring Operation: 2*44=88, Resulting Numbers: [88] 88,34 unequal: No Solution Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,34 unequal: No Solution Exploring Operation: 44-2=42, Resulting Numbers: [42] 42,34 unequal: No Solution Exploring Operation: 2+44=46, Resulting Numbers: [46] 46,34 unequal: No Solution Moving to Node #0,2,2 Current State: 34:[8, 26], Operations: ['92-90=2', '52/2=26'] Exploring Operation: 8*26=208, Resulting Numbers: [208] 208,34 unequal: No Solution Exploring Operation: 26-8=18, Resulting Numbers: [18] 18,34 unequal: No Solution Exploring Operation: 8+26=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[90, 92, 52, 8], Operations: [] Exploring Operation: 92-90=2, Resulting Numbers: [52, 8, 2] Generated Node #0,2: 34:[52, 8, 2] Operation: 92-90=2 Moving to Node #0,2 Current State: 34:[52, 8, 2], Operations: ['92-90=2'] Exploring Operation: 52/2=26, Resulting Numbers: [8, 26] Generated Node #0,2,2: 34:[8, 26] Operation: 52/2=26 Moving to Node #0,2,2 Current State: 34:[8, 26], Operations: ['92-90=2', '52/2=26'] Exploring Operation: 8+26=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 99, 42, 23, 31 ]
87
[ "99+42=141", "23+31=54", "141-54=87" ]
Current State: 87:[99, 42, 23, 31], Operations: [] Exploring Operation: 99+42=141, Resulting Numbers: [23, 31, 141] Generated Node #2: [23, 31, 141] from Operation: 99+42=141 Current State: 87:[23, 31, 141], Operations: ['99+42=141'] Exploring Operation: 23+31=54, Resulting Numbers: [141, 54] Generated Node #3: [141, 54] from Operation: 23+31=54 Current State: 87:[141, 54], Operations: ['99+42=141', '23+31=54'] Exploring Operation: 141-54=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[99, 42, 23, 31], Operations: [] Exploring Operation: 99-23=76, Resulting Numbers: [42, 31, 76] Generated Node #0,0: 87:[42, 31, 76] Operation: 99-23=76 Exploring Operation: 42-31=11, Resulting Numbers: [99, 23, 11] Generated Node #0,1: 87:[99, 23, 11] Operation: 42-31=11 Exploring Operation: 42-23=19, Resulting Numbers: [99, 31, 19] Generated Node #0,2: 87:[99, 31, 19] Operation: 42-23=19 Start Sub Search at level 1: Moving to Node #0,2 Current State: 87:[99, 31, 19], Operations: ['42-23=19'] Exploring Operation: 99-31=68, Resulting Numbers: [19, 68] Generated Node #0,2,0: 87:[19, 68] Operation: 99-31=68 Exploring Operation: 31-19=12, Resulting Numbers: [99, 12] Generated Node #0,2,1: 87:[99, 12] Operation: 31-19=12 Exploring Operation: 99-19=80, Resulting Numbers: [31, 80] Generated Node #0,2,2: 87:[31, 80] Operation: 99-19=80 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 87:[31, 80], Operations: ['42-23=19', '99-19=80'] Exploring Operation: 80-31=49, Resulting Numbers: [49] 49,87 unequal: No Solution Exploring Operation: 31+80=111, Resulting Numbers: [111] 111,87 unequal: No Solution Exploring Operation: 31*80=2480, Resulting Numbers: [2480] 2480,87 unequal: No Solution No 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: 87:[99, 12], Operations: ['42-23=19', '31-19=12'] Exploring Operation: 99-12=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[99, 42, 23, 31], Operations: [] Exploring Operation: 42-23=19, Resulting Numbers: [99, 31, 19] Generated Node #0,2: 87:[99, 31, 19] Operation: 42-23=19 Moving to Node #0,2 Current State: 87:[99, 31, 19], Operations: ['42-23=19'] Exploring Operation: 31-19=12, Resulting Numbers: [99, 12] Generated Node #0,2,1: 87:[99, 12] Operation: 31-19=12 Moving to Node #0,2,1 Current State: 87:[99, 12], Operations: ['42-23=19', '31-19=12'] Exploring Operation: 99-12=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_3
mult_heuristic
[ 33, 78, 14, 12 ]
99
[ "33*78=2574", "14+12=26", "2574/26=99" ]
Current State: 99:[33, 78, 14, 12], Operations: [] Exploring Operation: 33*78=2574, Resulting Numbers: [14, 12, 2574] Generated Node #2: [14, 12, 2574] from Operation: 33*78=2574 Current State: 99:[14, 12, 2574], Operations: ['33*78=2574'] Exploring Operation: 14+12=26, Resulting Numbers: [2574, 26] Generated Node #3: [2574, 26] from Operation: 14+12=26 Current State: 99:[2574, 26], Operations: ['33*78=2574', '14+12=26'] Exploring Operation: 2574/26=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[33, 78, 14, 12], Operations: [] Exploring Operation: 78-33=45, Resulting Numbers: [14, 12, 45] Generated Node #0,0: 99:[14, 12, 45] Operation: 78-33=45 Exploring Operation: 14-12=2, Resulting Numbers: [33, 78, 2] Generated Node #0,1: 99:[33, 78, 2] Operation: 14-12=2 Exploring Operation: 78+14=92, Resulting Numbers: [33, 12, 92] Generated Node #0,2: 99:[33, 12, 92] Operation: 78+14=92 Exploring Operation: 78+12=90, Resulting Numbers: [33, 14, 90] Generated Node #0,3: 99:[33, 14, 90] Operation: 78+12=90 Exploring Operation: 33+78=111, Resulting Numbers: [14, 12, 111] Generated Node #0,4: 99:[14, 12, 111] Operation: 33+78=111 Start Sub Search at level 1: Moving to Node #0,2 Current State: 99:[33, 12, 92], Operations: ['78+14=92'] Exploring Operation: 33+12=45, Resulting Numbers: [92, 45] Generated Node #0,2,0: 99:[92, 45] Operation: 33+12=45 Exploring Operation: 92-12=80, Resulting Numbers: [33, 80] Generated Node #0,2,1: 99:[33, 80] Operation: 92-12=80 Exploring Operation: 33+92=125, Resulting Numbers: [12, 125] Generated Node #0,2,2: 99:[12, 125] Operation: 33+92=125 Exploring Operation: 12+92=104, Resulting Numbers: [33, 104] Generated Node #0,2,3: 99:[33, 104] Operation: 12+92=104 Exploring Operation: 33-12=21, Resulting Numbers: [92, 21] Generated Node #0,2,4: 99:[92, 21] Operation: 33-12=21 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 99:[33, 104], Operations: ['78+14=92', '12+92=104'] Exploring Operation: 104-33=71, Resulting Numbers: [71] 71,99 unequal: No Solution Exploring Operation: 33+104=137, Resulting Numbers: [137] 137,99 unequal: No Solution Exploring Operation: 33*104=3432, Resulting Numbers: [3432] 3432,99 unequal: No Solution No 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: 99:[92, 21], Operations: ['78+14=92', '33-12=21'] Exploring Operation: 92+21=113, Resulting Numbers: [113] 113,99 unequal: No Solution Exploring Operation: 92*21=1932, Resulting Numbers: [1932] 1932,99 unequal: No Solution Exploring Operation: 92-21=71, Resulting Numbers: [71] 71,99 unequal: No Solution No 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: 99:[92, 45], Operations: ['78+14=92', '33+12=45'] Exploring Operation: 92+45=137, Resulting Numbers: [137] 137,99 unequal: No Solution Exploring Operation: 92-45=47, Resulting Numbers: [47] 47,99 unequal: No Solution Exploring Operation: 92*45=4140, Resulting Numbers: [4140] 4140,99 unequal: No Solution No 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: 99:[33, 80], Operations: ['78+14=92', '92-12=80'] Exploring Operation: 33+80=113, Resulting Numbers: [113] 113,99 unequal: No Solution Exploring Operation: 33*80=2640, Resulting Numbers: [2640] 2640,99 unequal: No Solution Exploring Operation: 80-33=47, Resulting Numbers: [47] 47,99 unequal: No Solution No 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: 99:[12, 125], Operations: ['78+14=92', '33+92=125'] Exploring Operation: 12+125=137, Resulting Numbers: [137] 137,99 unequal: No Solution Exploring Operation: 12*125=1500, Resulting Numbers: [1500] 1500,99 unequal: No Solution Exploring Operation: 125-12=113, Resulting Numbers: [113] 113,99 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: 99:[33, 14, 90], Operations: ['78+12=90'] Exploring Operation: 33+14=47, Resulting Numbers: [90, 47] Generated Node #0,3,0: 99:[90, 47] Operation: 33+14=47 Exploring Operation: 90-14=76, Resulting Numbers: [33, 76] Generated Node #0,3,1: 99:[33, 76] Operation: 90-14=76 Exploring Operation: 33-14=19, Resulting Numbers: [90, 19] Generated Node #0,3,2: 99:[90, 19] Operation: 33-14=19 Exploring Operation: 33+90=123, Resulting Numbers: [14, 123] Generated Node #0,3,3: 99:[14, 123] Operation: 33+90=123 Exploring Operation: 14+90=104, Resulting Numbers: [33, 104] Generated Node #0,3,4: 99:[33, 104] Operation: 14+90=104 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 99:[33, 104], Operations: ['78+12=90', '14+90=104'] Exploring Operation: 104-33=71, Resulting Numbers: [71] 71,99 unequal: No Solution Exploring Operation: 33*104=3432, Resulting Numbers: [3432] 3432,99 unequal: No Solution Exploring Operation: 33+104=137, Resulting Numbers: [137] 137,99 unequal: No Solution No 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: 99:[90, 19], Operations: ['78+12=90', '33-14=19'] Exploring Operation: 90*19=1710, Resulting Numbers: [1710] 1710,99 unequal: No Solution Exploring Operation: 90-19=71, Resulting Numbers: [71] 71,99 unequal: No Solution Exploring Operation: 90+19=109, Resulting Numbers: [109] 109,99 unequal: No Solution No 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: 99:[90, 47], Operations: ['78+12=90', '33+14=47'] Exploring Operation: 90*47=4230, Resulting Numbers: [4230] 4230,99 unequal: No Solution Exploring Operation: 90+47=137, Resulting Numbers: [137] 137,99 unequal: No Solution Exploring Operation: 90-47=43, Resulting Numbers: [43] 43,99 unequal: No Solution No 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: 99:[33, 76], Operations: ['78+12=90', '90-14=76'] Exploring Operation: 33*76=2508, Resulting Numbers: [2508] 2508,99 unequal: No Solution Exploring Operation: 33+76=109, Resulting Numbers: [109] 109,99 unequal: No Solution Exploring Operation: 76-33=43, Resulting Numbers: [43] 43,99 unequal: No Solution No 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: 99:[14, 123], Operations: ['78+12=90', '33+90=123'] Exploring Operation: 14+123=137, Resulting Numbers: [137] 137,99 unequal: No Solution Exploring Operation: 123-14=109, Resulting Numbers: [109] 109,99 unequal: No Solution Exploring Operation: 14*123=1722, Resulting Numbers: [1722] 1722,99 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: 99:[14, 12, 45], Operations: ['78-33=45'] Exploring Operation: 45-14=31, Resulting Numbers: [12, 31] Generated Node #0,0,0: 99:[12, 31] Operation: 45-14=31 Exploring Operation: 14+45=59, Resulting Numbers: [12, 59] Generated Node #0,0,1: 99:[12, 59] Operation: 14+45=59 Exploring Operation: 14-12=2, Resulting Numbers: [45, 2] Generated Node #0,0,2: 99:[45, 2] Operation: 14-12=2 Exploring Operation: 14+12=26, Resulting Numbers: [45, 26] Generated Node #0,0,3: 99:[45, 26] Operation: 14+12=26 Exploring Operation: 45-12=33, Resulting Numbers: [14, 33] Generated Node #0,0,4: 99:[14, 33] Operation: 45-12=33 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 99:[12, 31], Operations: ['78-33=45', '45-14=31'] Exploring Operation: 31-12=19, Resulting Numbers: [19] 19,99 unequal: No Solution Exploring Operation: 12*31=372, Resulting Numbers: [372] 372,99 unequal: No Solution Exploring Operation: 12+31=43, Resulting Numbers: [43] 43,99 unequal: No Solution No 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: 99:[14, 33], Operations: ['78-33=45', '45-12=33'] Exploring Operation: 14+33=47, Resulting Numbers: [47] 47,99 unequal: No Solution Exploring Operation: 33-14=19, Resulting Numbers: [19] 19,99 unequal: No Solution Exploring Operation: 14*33=462, Resulting Numbers: [462] 462,99 unequal: No Solution No 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: 99:[45, 2], Operations: ['78-33=45', '14-12=2'] Exploring Operation: 45+2=47, Resulting Numbers: [47] 47,99 unequal: No Solution Exploring Operation: 45*2=90, Resulting Numbers: [90] 90,99 unequal: No Solution Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,99 unequal: No Solution No 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: 99:[45, 26], Operations: ['78-33=45', '14+12=26'] Exploring Operation: 45*26=1170, Resulting Numbers: [1170] 1170,99 unequal: No Solution Exploring Operation: 45+26=71, Resulting Numbers: [71] 71,99 unequal: No Solution Exploring Operation: 45-26=19, Resulting Numbers: [19] 19,99 unequal: No Solution No 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: 99:[12, 59], Operations: ['78-33=45', '14+45=59'] Exploring Operation: 59-12=47, Resulting Numbers: [47] 47,99 unequal: No Solution Exploring Operation: 12+59=71, Resulting Numbers: [71] 71,99 unequal: No Solution Exploring Operation: 12*59=708, Resulting Numbers: [708] 708,99 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: 99:[14, 12, 111], Operations: ['33+78=111'] Exploring Operation: 14+111=125, Resulting Numbers: [12, 125] Generated Node #0,4,0: 99:[12, 125] Operation: 14+111=125 Exploring Operation: 111-12=99, Resulting Numbers: [14, 99] Generated Node #0,4,1: 99:[14, 99] Operation: 111-12=99 Exploring Operation: 14+12=26, Resulting Numbers: [111, 26] Generated Node #0,4,2: 99:[111, 26] Operation: 14+12=26 Exploring Operation: 14-12=2, Resulting Numbers: [111, 2] Generated Node #0,4,3: 99:[111, 2] Operation: 14-12=2 Exploring Operation: 111-14=97, Resulting Numbers: [12, 97] Generated Node #0,4,4: 99:[12, 97] Operation: 111-14=97 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 99:[14, 99], Operations: ['33+78=111', '111-12=99'] Exploring Operation: 99-14=85, Resulting Numbers: [85] 85,99 unequal: No Solution Exploring Operation: 14*99=1386, Resulting Numbers: [1386] 1386,99 unequal: No Solution Exploring Operation: 14+99=113, Resulting Numbers: [113] 113,99 unequal: No Solution No 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: 99:[12, 97], Operations: ['33+78=111', '111-14=97'] Exploring Operation: 12*97=1164, Resulting Numbers: [1164] 1164,99 unequal: No Solution Exploring Operation: 12+97=109, Resulting Numbers: [109] 109,99 unequal: No Solution Exploring Operation: 97-12=85, Resulting Numbers: [85] 85,99 unequal: No Solution No 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: 99:[111, 2], Operations: ['33+78=111', '14-12=2'] Exploring Operation: 111+2=113, Resulting Numbers: [113] 113,99 unequal: No Solution Exploring Operation: 111*2=222, Resulting Numbers: [222] 222,99 unequal: No Solution Exploring Operation: 111-2=109, Resulting Numbers: [109] 109,99 unequal: No Solution No 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: 99:[111, 26], Operations: ['33+78=111', '14+12=26'] Exploring Operation: 111+26=137, Resulting Numbers: [137] 137,99 unequal: No Solution Exploring Operation: 111-26=85, Resulting Numbers: [85] 85,99 unequal: No Solution Exploring Operation: 111*26=2886, Resulting Numbers: [2886] 2886,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 99:[12, 125], Operations: ['33+78=111', '14+111=125'] Exploring Operation: 12+125=137, Resulting Numbers: [137] 137,99 unequal: No Solution Exploring Operation: 12*125=1500, Resulting Numbers: [1500] 1500,99 unequal: No Solution Exploring Operation: 125-12=113, Resulting Numbers: [113] 113,99 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: 99:[33, 78, 2], Operations: ['14-12=2'] Exploring Operation: 33+2=35, Resulting Numbers: [78, 35] Generated Node #0,1,0: 99:[78, 35] Operation: 33+2=35 Exploring Operation: 78-33=45, Resulting Numbers: [2, 45] Generated Node #0,1,1: 99:[2, 45] Operation: 78-33=45 Exploring Operation: 78/2=39, Resulting Numbers: [33, 39] Generated Node #0,1,2: 99:[33, 39] Operation: 78/2=39 Exploring Operation: 33+78=111, Resulting Numbers: [2, 111] Generated Node #0,1,3: 99:[2, 111] Operation: 33+78=111 Exploring Operation: 78+2=80, Resulting Numbers: [33, 80] Generated Node #0,1,4: 99:[33, 80] Operation: 78+2=80 Moving to Node #0,1,2 Current State: 99:[33, 39], Operations: ['14-12=2', '78/2=39'] Exploring Operation: 33+39=72, Resulting Numbers: [72] 72,99 unequal: No Solution Exploring Operation: 33*39=1287, Resulting Numbers: [1287] 1287,99 unequal: No Solution Exploring Operation: 39-33=6, Resulting Numbers: [6] 6,99 unequal: No Solution Moving to Node #0,1,3 Current State: 99:[2, 111], Operations: ['14-12=2', '33+78=111'] Exploring Operation: 2+111=113, Resulting Numbers: [113] 113,99 unequal: No Solution Exploring Operation: 111-2=109, Resulting Numbers: [109] 109,99 unequal: No Solution Exploring Operation: 2*111=222, Resulting Numbers: [222] 222,99 unequal: No Solution Moving to Node #0,1,1 Current State: 99:[2, 45], Operations: ['14-12=2', '78-33=45'] Exploring Operation: 2+45=47, Resulting Numbers: [47] 47,99 unequal: No Solution Exploring Operation: 2*45=90, Resulting Numbers: [90] 90,99 unequal: No Solution Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,99 unequal: No Solution Moving to Node #0,1,4 Current State: 99:[33, 80], Operations: ['14-12=2', '78+2=80'] Exploring Operation: 33*80=2640, Resulting Numbers: [2640] 2640,99 unequal: No Solution Exploring Operation: 80-33=47, Resulting Numbers: [47] 47,99 unequal: No Solution Exploring Operation: 33+80=113, Resulting Numbers: [113] 113,99 unequal: No Solution Moving to Node #0,1,0 Current State: 99:[78, 35], Operations: ['14-12=2', '33+2=35'] Exploring Operation: 78+35=113, Resulting Numbers: [113] 113,99 unequal: No Solution Exploring Operation: 78-35=43, Resulting Numbers: [43] 43,99 unequal: No Solution Exploring Operation: 78*35=2730, Resulting Numbers: [2730] 2730,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 98, 3, 51, 68 ]
94
[ "51/3=17", "68/17=4", "98-4=94" ]
Current State: 94:[98, 3, 51, 68], Operations: [] Exploring Operation: 51/3=17, Resulting Numbers: [98, 68, 17] Generated Node #2: [98, 68, 17] from Operation: 51/3=17 Current State: 94:[98, 68, 17], Operations: ['51/3=17'] Exploring Operation: 68/17=4, Resulting Numbers: [98, 4] Generated Node #3: [98, 4] from Operation: 68/17=4 Current State: 94:[98, 4], Operations: ['51/3=17', '68/17=4'] Exploring Operation: 98-4=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[98, 3, 51, 68], Operations: [] Exploring Operation: 68-51=17, Resulting Numbers: [98, 3, 17] Generated Node #0,0: 94:[98, 3, 17] Operation: 68-51=17 Exploring Operation: 98-68=30, Resulting Numbers: [3, 51, 30] Generated Node #0,1: 94:[3, 51, 30] Operation: 98-68=30 Exploring Operation: 98-51=47, Resulting Numbers: [3, 68, 47] Generated Node #0,2: 94:[3, 68, 47] Operation: 98-51=47 Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[98, 3, 17], Operations: ['68-51=17'] Exploring Operation: 3*17=51, Resulting Numbers: [98, 51] Generated Node #0,0,0: 94:[98, 51] Operation: 3*17=51 Exploring Operation: 98-17=81, Resulting Numbers: [3, 81] Generated Node #0,0,1: 94:[3, 81] Operation: 98-17=81 Exploring Operation: 98-3=95, Resulting Numbers: [17, 95] Generated Node #0,0,2: 94:[17, 95] Operation: 98-3=95 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 94:[98, 51], Operations: ['68-51=17', '3*17=51'] Exploring Operation: 98*51=4998, Resulting Numbers: [4998] 4998,94 unequal: No Solution Exploring Operation: 98-51=47, Resulting Numbers: [47] 47,94 unequal: No Solution Exploring Operation: 98+51=149, Resulting Numbers: [149] 149,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 94:[3, 81], Operations: ['68-51=17', '98-17=81'] Exploring Operation: 81/3=27, Resulting Numbers: [27] 27,94 unequal: No Solution Exploring Operation: 81-3=78, Resulting Numbers: [78] 78,94 unequal: No Solution Exploring Operation: 3+81=84, Resulting Numbers: [84] 84,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 94:[17, 95], Operations: ['68-51=17', '98-3=95'] Exploring Operation: 17+95=112, Resulting Numbers: [112] 112,94 unequal: No Solution Exploring Operation: 95-17=78, Resulting Numbers: [78] 78,94 unequal: No Solution Exploring Operation: 17*95=1615, Resulting Numbers: [1615] 1615,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[3, 51, 30], Operations: ['98-68=30'] Exploring Operation: 3*30=90, Resulting Numbers: [51, 90] Generated Node #0,1,0: 94:[51, 90] Operation: 3*30=90 Exploring Operation: 30/3=10, Resulting Numbers: [51, 10] Generated Node #0,1,1: 94:[51, 10] Operation: 30/3=10 Exploring Operation: 51+30=81, Resulting Numbers: [3, 81] Generated Node #0,1,2: 94:[3, 81] Operation: 51+30=81 Moving to Node #0,1,0 Current State: 94:[51, 90], Operations: ['98-68=30', '3*30=90'] Exploring Operation: 90-51=39, Resulting Numbers: [39] 39,94 unequal: No Solution Exploring Operation: 51+90=141, Resulting Numbers: [141] 141,94 unequal: No Solution Exploring Operation: 51*90=4590, Resulting Numbers: [4590] 4590,94 unequal: No Solution Moving to Node #0,1,1 Current State: 94:[51, 10], Operations: ['98-68=30', '30/3=10'] Exploring Operation: 51-10=41, Resulting Numbers: [41] 41,94 unequal: No Solution Exploring Operation: 51*10=510, Resulting Numbers: [510] 510,94 unequal: No Solution Exploring Operation: 51+10=61, Resulting Numbers: [61] 61,94 unequal: No Solution Moving to Node #0,1,2 Current State: 94:[3, 81], Operations: ['98-68=30', '51+30=81'] Exploring Operation: 81/3=27, Resulting Numbers: [27] 27,94 unequal: No Solution Exploring Operation: 3+81=84, Resulting Numbers: [84] 84,94 unequal: No Solution Exploring Operation: 81-3=78, Resulting Numbers: [78] 78,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 94:[3, 68, 47], Operations: ['98-51=47'] Exploring Operation: 68-3=65, Resulting Numbers: [47, 65] Generated Node #0,2,0: 94:[47, 65] Operation: 68-3=65 Exploring Operation: 68+47=115, Resulting Numbers: [3, 115] Generated Node #0,2,1: 94:[3, 115] Operation: 68+47=115 Exploring Operation: 68-47=21, Resulting Numbers: [3, 21] Generated Node #0,2,2: 94:[3, 21] Operation: 68-47=21 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 94:[47, 65], Operations: ['98-51=47', '68-3=65'] Exploring Operation: 65-47=18, Resulting Numbers: [18] 18,94 unequal: No Solution Exploring Operation: 47+65=112, Resulting Numbers: [112] 112,94 unequal: No Solution Exploring Operation: 47*65=3055, Resulting Numbers: [3055] 3055,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 94:[3, 21], Operations: ['98-51=47', '68-47=21'] Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,94 unequal: No Solution Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,94 unequal: No Solution Exploring Operation: 3*21=63, Resulting Numbers: [63] 63,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 94:[3, 115], Operations: ['98-51=47', '68+47=115'] Exploring Operation: 3+115=118, Resulting Numbers: [118] 118,94 unequal: No Solution Exploring Operation: 3*115=345, Resulting Numbers: [345] 345,94 unequal: No Solution Exploring Operation: 115-3=112, Resulting Numbers: [112] 112,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 53, 55, 27, 26 ]
25
[ "55-53=2", "26*2=52", "52-27=25" ]
Current State: 25:[53, 55, 27, 26], Operations: [] Exploring Operation: 55-53=2, Resulting Numbers: [27, 26, 2] Generated Node #2: [27, 26, 2] from Operation: 55-53=2 Current State: 25:[27, 26, 2], Operations: ['55-53=2'] Exploring Operation: 26*2=52, Resulting Numbers: [27, 52] Generated Node #3: [27, 52] from Operation: 26*2=52 Current State: 25:[27, 52], Operations: ['55-53=2', '26*2=52'] Exploring Operation: 52-27=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[53, 55, 27, 26], Operations: [] Exploring Operation: 55-27=28, Resulting Numbers: [53, 26, 28] Generated Node #0,0: 25:[53, 26, 28] Operation: 55-27=28 Exploring Operation: 55-26=29, Resulting Numbers: [53, 27, 29] Generated Node #0,1: 25:[53, 27, 29] Operation: 55-26=29 Exploring Operation: 53-27=26, Resulting Numbers: [55, 26, 26] Generated Node #0,2: 25:[55, 26, 26] Operation: 53-27=26 Exploring Operation: 53-26=27, Resulting Numbers: [55, 27, 27] Generated Node #0,3: 25:[55, 27, 27] Operation: 53-26=27 Exploring Operation: 55-53=2, Resulting Numbers: [27, 26, 2] Generated Node #0,4: 25:[27, 26, 2] Operation: 55-53=2 Moving to Node #0,4 Current State: 25:[27, 26, 2], Operations: ['55-53=2'] Exploring Operation: 27+2=29, Resulting Numbers: [26, 29] Generated Node #0,4,0: 25:[26, 29] Operation: 27+2=29 Exploring Operation: 26-2=24, Resulting Numbers: [27, 24] Generated Node #0,4,1: 25:[27, 24] Operation: 26-2=24 Exploring Operation: 27-26=1, Resulting Numbers: [2, 1] Generated Node #0,4,2: 25:[2, 1] Operation: 27-26=1 Exploring Operation: 27-2=25, Resulting Numbers: [26, 25] Generated Node #0,4,3: 25:[26, 25] Operation: 27-2=25 Exploring Operation: 26+2=28, Resulting Numbers: [27, 28] Generated Node #0,4,4: 25:[27, 28] Operation: 26+2=28 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 25:[26, 25], Operations: ['55-53=2', '27-2=25'] Exploring Operation: 26+25=51, Resulting Numbers: [51] 51,25 unequal: No Solution Exploring Operation: 26-25=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 26*25=650, Resulting Numbers: [650] 650,25 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 #0,4,1 Current State: 25:[27, 24], Operations: ['55-53=2', '26-2=24'] Exploring Operation: 27*24=648, Resulting Numbers: [648] 648,25 unequal: No Solution Exploring Operation: 27+24=51, Resulting Numbers: [51] 51,25 unequal: No Solution Exploring Operation: 27-24=3, Resulting Numbers: [3] 3,25 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 #0,4,0 Current State: 25:[26, 29], Operations: ['55-53=2', '27+2=29'] Exploring Operation: 26*29=754, Resulting Numbers: [754] 754,25 unequal: No Solution Exploring Operation: 26+29=55, Resulting Numbers: [55] 55,25 unequal: No Solution Exploring Operation: 29-26=3, Resulting Numbers: [3] 3,25 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 #0,4,4 Current State: 25:[27, 28], Operations: ['55-53=2', '26+2=28'] Exploring Operation: 28-27=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 27*28=756, Resulting Numbers: [756] 756,25 unequal: No Solution Exploring Operation: 27+28=55, Resulting Numbers: [55] 55,25 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 #0,4,2 Current State: 25:[2, 1], Operations: ['55-53=2', '27-26=1'] Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,25 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,25 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,25 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: 25:[55, 26, 26], Operations: ['53-27=26'] Exploring Operation: 26/26=1, Resulting Numbers: [55, 1] Generated Node #0,2,0: 25:[55, 1] Operation: 26/26=1 Exploring Operation: 55+26=81, Resulting Numbers: [26, 81] Generated Node #0,2,1: 25:[26, 81] Operation: 55+26=81 Exploring Operation: 55-26=29, Resulting Numbers: [26, 29] Generated Node #0,2,2: 25:[26, 29] Operation: 55-26=29 Exploring Operation: 55-26=29, Resulting Numbers: [26, 29] Generated Node #0,2,3: 25:[26, 29] Operation: 55-26=29 Exploring Operation: 26-26=0, Resulting Numbers: [55, 0] Generated Node #0,2,4: 25:[55, 0] Operation: 26-26=0 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 25:[26, 29], Operations: ['53-27=26', '55-26=29'] Exploring Operation: 26+29=55, Resulting Numbers: [55] 55,25 unequal: No Solution Exploring Operation: 26*29=754, Resulting Numbers: [754] 754,25 unequal: No Solution Exploring Operation: 29-26=3, Resulting Numbers: [3] 3,25 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:[26, 29], Operations: ['53-27=26', '55-26=29'] Exploring Operation: 26+29=55, Resulting Numbers: [55] 55,25 unequal: No Solution Exploring Operation: 26*29=754, Resulting Numbers: [754] 754,25 unequal: No Solution Exploring Operation: 29-26=3, Resulting Numbers: [3] 3,25 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 #0,2,0 Current State: 25:[55, 1], Operations: ['53-27=26', '26/26=1'] Exploring Operation: 55+1=56, Resulting Numbers: [56] 56,25 unequal: No Solution Exploring Operation: 55/1=55, Resulting Numbers: [55] 55,25 unequal: No Solution Exploring Operation: 55-1=54, Resulting Numbers: [54] 54,25 unequal: No Solution Exploring Operation: 55*1=55, Resulting Numbers: [55] 55,25 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:[55, 0], Operations: ['53-27=26', '26-26=0'] Exploring Operation: 55-0=55, Resulting Numbers: [55] 55,25 unequal: No Solution Exploring Operation: 55+0=55, Resulting Numbers: [55] 55,25 unequal: No Solution Exploring Operation: 55*0=0, Resulting Numbers: [0] 0,25 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:[26, 81], Operations: ['53-27=26', '55+26=81'] Exploring Operation: 81-26=55, Resulting Numbers: [55] 55,25 unequal: No Solution Exploring Operation: 26*81=2106, Resulting Numbers: [2106] 2106,25 unequal: No Solution Exploring Operation: 26+81=107, Resulting Numbers: [107] 107,25 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:[53, 26, 28], Operations: ['55-27=28'] Exploring Operation: 53-28=25, Resulting Numbers: [26, 25] Generated Node #0,0,0: 25:[26, 25] Operation: 53-28=25 Exploring Operation: 28-26=2, Resulting Numbers: [53, 2] Generated Node #0,0,1: 25:[53, 2] Operation: 28-26=2 Exploring Operation: 53+28=81, Resulting Numbers: [26, 81] Generated Node #0,0,2: 25:[26, 81] Operation: 53+28=81 Exploring Operation: 53+26=79, Resulting Numbers: [28, 79] Generated Node #0,0,3: 25:[28, 79] Operation: 53+26=79 Exploring Operation: 53-26=27, Resulting Numbers: [28, 27] Generated Node #0,0,4: 25:[28, 27] Operation: 53-26=27 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 25:[26, 25], Operations: ['55-27=28', '53-28=25'] Exploring Operation: 26*25=650, Resulting Numbers: [650] 650,25 unequal: No Solution Exploring Operation: 26+25=51, Resulting Numbers: [51] 51,25 unequal: No Solution Exploring Operation: 26-25=1, Resulting Numbers: [1] 1,25 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 #0,0,4 Current State: 25:[28, 27], Operations: ['55-27=28', '53-26=27'] Exploring Operation: 28-27=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 28+27=55, Resulting Numbers: [55] 55,25 unequal: No Solution Exploring Operation: 28*27=756, Resulting Numbers: [756] 756,25 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 #0,0,1 Current State: 25:[53, 2], Operations: ['55-27=28', '28-26=2'] Exploring Operation: 53*2=106, Resulting Numbers: [106] 106,25 unequal: No Solution Exploring Operation: 53+2=55, Resulting Numbers: [55] 55,25 unequal: No Solution Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,25 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 #0,0,2 Current State: 25:[26, 81], Operations: ['55-27=28', '53+28=81'] Exploring Operation: 81-26=55, Resulting Numbers: [55] 55,25 unequal: No Solution Exploring Operation: 26*81=2106, Resulting Numbers: [2106] 2106,25 unequal: No Solution Exploring Operation: 26+81=107, Resulting Numbers: [107] 107,25 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 #0,0,3 Current State: 25:[28, 79], Operations: ['55-27=28', '53+26=79'] Exploring Operation: 28+79=107, Resulting Numbers: [107] 107,25 unequal: No Solution Exploring Operation: 28*79=2212, Resulting Numbers: [2212] 2212,25 unequal: No Solution Exploring Operation: 79-28=51, Resulting Numbers: [51] 51,25 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: 25:[53, 27, 29], Operations: ['55-26=29'] Exploring Operation: 53+29=82, Resulting Numbers: [27, 82] Generated Node #0,1,0: 25:[27, 82] Operation: 53+29=82 Exploring Operation: 53-27=26, Resulting Numbers: [29, 26] Generated Node #0,1,1: 25:[29, 26] Operation: 53-27=26 Exploring Operation: 29-27=2, Resulting Numbers: [53, 2] Generated Node #0,1,2: 25:[53, 2] Operation: 29-27=2 Exploring Operation: 53+27=80, Resulting Numbers: [29, 80] Generated Node #0,1,3: 25:[29, 80] Operation: 53+27=80 Exploring Operation: 53-29=24, Resulting Numbers: [27, 24] Generated Node #0,1,4: 25:[27, 24] Operation: 53-29=24 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 25:[27, 24], Operations: ['55-26=29', '53-29=24'] Exploring Operation: 27-24=3, Resulting Numbers: [3] 3,25 unequal: No Solution Exploring Operation: 27*24=648, Resulting Numbers: [648] 648,25 unequal: No Solution Exploring Operation: 27+24=51, Resulting Numbers: [51] 51,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 25:[29, 26], Operations: ['55-26=29', '53-27=26'] Exploring Operation: 29+26=55, Resulting Numbers: [55] 55,25 unequal: No Solution Exploring Operation: 29-26=3, Resulting Numbers: [3] 3,25 unequal: No Solution Exploring Operation: 29*26=754, Resulting Numbers: [754] 754,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 25:[53, 2], Operations: ['55-26=29', '29-27=2'] Exploring Operation: 53+2=55, Resulting Numbers: [55] 55,25 unequal: No Solution Exploring Operation: 53*2=106, Resulting Numbers: [106] 106,25 unequal: No Solution Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 25:[27, 82], Operations: ['55-26=29', '53+29=82'] Exploring Operation: 27+82=109, Resulting Numbers: [109] 109,25 unequal: No Solution Exploring Operation: 27*82=2214, Resulting Numbers: [2214] 2214,25 unequal: No Solution Exploring Operation: 82-27=55, Resulting Numbers: [55] 55,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 25:[29, 80], Operations: ['55-26=29', '53+27=80'] Exploring Operation: 29+80=109, Resulting Numbers: [109] 109,25 unequal: No Solution Exploring Operation: 80-29=51, Resulting Numbers: [51] 51,25 unequal: No Solution Exploring Operation: 29*80=2320, Resulting Numbers: [2320] 2320,25 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: 25:[55, 27, 27], Operations: ['53-26=27'] Exploring Operation: 55-27=28, Resulting Numbers: [27, 28] Generated Node #0,3,0: 25:[27, 28] Operation: 55-27=28 Exploring Operation: 27/27=1, Resulting Numbers: [55, 1] Generated Node #0,3,1: 25:[55, 1] Operation: 27/27=1 Exploring Operation: 27-27=0, Resulting Numbers: [55, 0] Generated Node #0,3,2: 25:[55, 0] Operation: 27-27=0 Exploring Operation: 55-27=28, Resulting Numbers: [27, 28] Generated Node #0,3,3: 25:[27, 28] Operation: 55-27=28 Exploring Operation: 55+27=82, Resulting Numbers: [27, 82] Generated Node #0,3,4: 25:[27, 82] Operation: 55+27=82 Moving to Node #0,3,0 Current State: 25:[27, 28], Operations: ['53-26=27', '55-27=28'] Exploring Operation: 28-27=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 27+28=55, Resulting Numbers: [55] 55,25 unequal: No Solution Exploring Operation: 27*28=756, Resulting Numbers: [756] 756,25 unequal: No Solution Moving to Node #0,3,3 Current State: 25:[27, 28], Operations: ['53-26=27', '55-27=28'] Exploring Operation: 28-27=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 27*28=756, Resulting Numbers: [756] 756,25 unequal: No Solution Exploring Operation: 27+28=55, Resulting Numbers: [55] 55,25 unequal: No Solution Moving to Node #0,3,1 Current State: 25:[55, 1], Operations: ['53-26=27', '27/27=1'] Exploring Operation: 55*1=55, Resulting Numbers: [55] 55,25 unequal: No Solution Exploring Operation: 55+1=56, Resulting Numbers: [56] 56,25 unequal: No Solution Exploring Operation: 55-1=54, Resulting Numbers: [54] 54,25 unequal: No Solution Exploring Operation: 55/1=55, Resulting Numbers: [55] 55,25 unequal: No Solution Moving to Node #0,3,2 Current State: 25:[55, 0], Operations: ['53-26=27', '27-27=0'] Exploring Operation: 55-0=55, Resulting Numbers: [55] 55,25 unequal: No Solution Exploring Operation: 55+0=55, Resulting Numbers: [55] 55,25 unequal: No Solution Exploring Operation: 55*0=0, Resulting Numbers: [0] 0,25 unequal: No Solution Moving to Node #0,3,4 Current State: 25:[27, 82], Operations: ['53-26=27', '55+27=82'] Exploring Operation: 27+82=109, Resulting Numbers: [109] 109,25 unequal: No Solution Exploring Operation: 82-27=55, Resulting Numbers: [55] 55,25 unequal: No Solution Exploring Operation: 27*82=2214, Resulting Numbers: [2214] 2214,25 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 6, 85, 73, 88 ]
44
[ "6*88=528", "85-73=12", "528/12=44" ]
Current State: 44:[6, 85, 73, 88], Operations: [] Exploring Operation: 6*88=528, Resulting Numbers: [85, 73, 528] Generated Node #2: [85, 73, 528] from Operation: 6*88=528 Current State: 44:[85, 73, 528], Operations: ['6*88=528'] Exploring Operation: 85-73=12, Resulting Numbers: [528, 12] Generated Node #3: [528, 12] from Operation: 85-73=12 Current State: 44:[528, 12], Operations: ['6*88=528', '85-73=12'] Exploring Operation: 528/12=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[6, 85, 73, 88], Operations: [] Exploring Operation: 88-85=3, Resulting Numbers: [6, 73, 3] Generated Node #0,0: 44:[6, 73, 3] Operation: 88-85=3 Moving to Node #0,0 Current State: 44:[6, 73, 3], Operations: ['88-85=3'] Exploring Operation: 73-6=67, Resulting Numbers: [3, 67] Generated Node #0,0,0: 44:[3, 67] Operation: 73-6=67 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 44:[3, 67], Operations: ['88-85=3', '73-6=67'] Exploring Operation: 67-3=64, Resulting Numbers: [64] 64,44 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
[ 76, 61, 97, 61 ]
21
[ "76+61=137", "97+61=158", "158-137=21" ]
Current State: 21:[76, 61, 97, 61], Operations: [] Exploring Operation: 76+61=137, Resulting Numbers: [97, 137] Generated Node #2: [97, 137] from Operation: 76+61=137 Current State: 21:[97, 137], Operations: ['76+61=137'] Exploring Operation: 97+61=158, Resulting Numbers: [137, 158] Generated Node #3: [137, 158] from Operation: 97+61=158 Current State: 21:[137, 158], Operations: ['76+61=137', '97+61=158'] Exploring Operation: 158-137=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[76, 61, 97, 61], Operations: [] Exploring Operation: 97-76=21, Resulting Numbers: [61, 61, 21] Generated Node #0,0: 21:[61, 61, 21] Operation: 97-76=21 Exploring Operation: 76-61=15, Resulting Numbers: [97, 61, 15] Generated Node #0,1: 21:[97, 61, 15] Operation: 76-61=15 Exploring Operation: 97-61=36, Resulting Numbers: [76, 61, 36] Generated Node #0,2: 21:[76, 61, 36] Operation: 97-61=36 Exploring Operation: 97-61=36, Resulting Numbers: [76, 61, 36] Generated Node #0,3: 21:[76, 61, 36] Operation: 97-61=36 Moving to Node #0,0 Current State: 21:[61, 61, 21], Operations: ['97-76=21'] Exploring Operation: 61/61=1, Resulting Numbers: [21, 1] Generated Node #0,0,0: 21:[21, 1] Operation: 61/61=1 Exploring Operation: 61-21=40, Resulting Numbers: [61, 40] Generated Node #0,0,1: 21:[61, 40] Operation: 61-21=40 Exploring Operation: 61-21=40, Resulting Numbers: [61, 40] Generated Node #0,0,2: 21:[61, 40] Operation: 61-21=40 Exploring Operation: 61-61=0, Resulting Numbers: [21, 0] Generated Node #0,0,3: 21:[21, 0] Operation: 61-61=0 Moving to Node #0,3 Current State: 21:[76, 61, 36], Operations: ['97-61=36'] Exploring Operation: 76-61=15, Resulting Numbers: [36, 15] Generated Node #0,3,0: 21:[36, 15] Operation: 76-61=15 Exploring Operation: 76-36=40, Resulting Numbers: [61, 40] Generated Node #0,3,1: 21:[61, 40] Operation: 76-36=40 Exploring Operation: 76+61=137, Resulting Numbers: [36, 137] Generated Node #0,3,2: 21:[36, 137] Operation: 76+61=137 Exploring Operation: 61-36=25, Resulting Numbers: [76, 25] Generated Node #0,3,3: 21:[76, 25] Operation: 61-36=25 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 21:[36, 15], Operations: ['97-61=36', '76-61=15'] Exploring Operation: 36+15=51, Resulting Numbers: [51] 51,21 unequal: No Solution Exploring Operation: 36*15=540, Resulting Numbers: [540] 540,21 unequal: No Solution Exploring Operation: 36-15=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[76, 61, 97, 61], Operations: [] Exploring Operation: 97-61=36, Resulting Numbers: [76, 61, 36] Generated Node #0,3: 21:[76, 61, 36] Operation: 97-61=36 Moving to Node #0,3 Current State: 21:[76, 61, 36], Operations: ['97-61=36'] Exploring Operation: 76-61=15, Resulting Numbers: [36, 15] Generated Node #0,3,0: 21:[36, 15] Operation: 76-61=15 Moving to Node #0,3,0 Current State: 21:[36, 15], Operations: ['97-61=36', '76-61=15'] Exploring Operation: 36-15=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
mult_heuristic
[ 2, 17, 25, 87 ]
60
[ "87-17=70", "70/2=35", "25+35=60" ]
Current State: 60:[2, 17, 25, 87], Operations: [] Exploring Operation: 87-17=70, Resulting Numbers: [2, 25, 70] Generated Node #2: [2, 25, 70] from Operation: 87-17=70 Current State: 60:[2, 25, 70], Operations: ['87-17=70'] Exploring Operation: 70/2=35, Resulting Numbers: [25, 35] Generated Node #3: [25, 35] from Operation: 70/2=35 Current State: 60:[25, 35], Operations: ['87-17=70', '70/2=35'] Exploring Operation: 25+35=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[2, 17, 25, 87], Operations: [] Exploring Operation: 87-17=70, Resulting Numbers: [2, 25, 70] Generated Node #0,0: 60:[2, 25, 70] Operation: 87-17=70 Exploring Operation: 17-2=15, Resulting Numbers: [25, 87, 15] Generated Node #0,1: 60:[25, 87, 15] Operation: 17-2=15 Exploring Operation: 25-17=8, Resulting Numbers: [2, 87, 8] Generated Node #0,2: 60:[2, 87, 8] Operation: 25-17=8 Exploring Operation: 87-25=62, Resulting Numbers: [2, 17, 62] Generated Node #0,3: 60:[2, 17, 62] Operation: 87-25=62 Start Sub Search at level 1: Moving to Node #0,3 Current State: 60:[2, 17, 62], Operations: ['87-25=62'] Exploring Operation: 2+17=19, Resulting Numbers: [62, 19] Generated Node #0,3,0: 60:[62, 19] Operation: 2+17=19 Exploring Operation: 62/2=31, Resulting Numbers: [17, 31] Generated Node #0,3,1: 60:[17, 31] Operation: 62/2=31 Exploring Operation: 17-2=15, Resulting Numbers: [62, 15] Generated Node #0,3,2: 60:[62, 15] Operation: 17-2=15 Exploring Operation: 62-2=60, Resulting Numbers: [17, 60] Generated Node #0,3,3: 60:[17, 60] Operation: 62-2=60 Moving to Node #0,3,2 Current State: 60:[62, 15], Operations: ['87-25=62', '17-2=15'] Exploring Operation: 62*15=930, Resulting Numbers: [930] 930,60 unequal: No Solution Exploring Operation: 62-15=47, Resulting Numbers: [47] 47,60 unequal: No Solution Exploring Operation: 62+15=77, Resulting Numbers: [77] 77,60 unequal: No Solution Moving to Node #0,3,3 Current State: 60:[17, 60], Operations: ['87-25=62', '62-2=60'] Exploring Operation: 60-17=43, Resulting Numbers: [43] 43,60 unequal: No Solution Exploring Operation: 17+60=77, Resulting Numbers: [77] 77,60 unequal: No Solution Exploring Operation: 17*60=1020, Resulting Numbers: [1020] 1020,60 unequal: No Solution Moving to Node #0,3,1 Current State: 60:[17, 31], Operations: ['87-25=62', '62/2=31'] Exploring Operation: 17+31=48, Resulting Numbers: [48] 48,60 unequal: No Solution Exploring Operation: 17*31=527, Resulting Numbers: [527] 527,60 unequal: No Solution Exploring Operation: 31-17=14, Resulting Numbers: [14] 14,60 unequal: No Solution Moving to Node #0,3,0 Current State: 60:[62, 19], Operations: ['87-25=62', '2+17=19'] Exploring Operation: 62*19=1178, Resulting Numbers: [1178] 1178,60 unequal: No Solution Exploring Operation: 62+19=81, Resulting Numbers: [81] 81,60 unequal: No Solution Exploring Operation: 62-19=43, Resulting Numbers: [43] 43,60 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:[2, 25, 70], Operations: ['87-17=70'] Exploring Operation: 2+25=27, Resulting Numbers: [70, 27] Generated Node #0,0,0: 60:[70, 27] Operation: 2+25=27 Exploring Operation: 70/2=35, Resulting Numbers: [25, 35] Generated Node #0,0,1: 60:[25, 35] Operation: 70/2=35 Exploring Operation: 25-2=23, Resulting Numbers: [70, 23] Generated Node #0,0,2: 60:[70, 23] Operation: 25-2=23 Exploring Operation: 70-2=68, Resulting Numbers: [25, 68] Generated Node #0,0,3: 60:[25, 68] Operation: 70-2=68 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 60:[25, 35], Operations: ['87-17=70', '70/2=35'] Exploring Operation: 25*35=875, Resulting Numbers: [875] 875,60 unequal: No Solution Exploring Operation: 35-25=10, Resulting Numbers: [10] 10,60 unequal: No Solution Exploring Operation: 25+35=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[2, 17, 25, 87], Operations: [] Exploring Operation: 87-17=70, Resulting Numbers: [2, 25, 70] Generated Node #0,0: 60:[2, 25, 70] Operation: 87-17=70 Moving to Node #0,0 Current State: 60:[2, 25, 70], Operations: ['87-17=70'] Exploring Operation: 70/2=35, Resulting Numbers: [25, 35] Generated Node #0,0,1: 60:[25, 35] Operation: 70/2=35 Moving to Node #0,0,1 Current State: 60:[25, 35], Operations: ['87-17=70', '70/2=35'] Exploring Operation: 25+35=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.97309
hs_4
sum_heuristic
[ 6, 88, 80, 45 ]
47
[ "88-6=82", "80-45=35", "82-35=47" ]
Current State: 47:[6, 88, 80, 45], Operations: [] Exploring Operation: 88-6=82, Resulting Numbers: [80, 45, 82] Generated Node #2: [80, 45, 82] from Operation: 88-6=82 Current State: 47:[80, 45, 82], Operations: ['88-6=82'] Exploring Operation: 80-45=35, Resulting Numbers: [82, 35] Generated Node #3: [82, 35] from Operation: 80-45=35 Current State: 47:[82, 35], Operations: ['88-6=82', '80-45=35'] Exploring Operation: 82-35=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[6, 88, 80, 45], Operations: [] Exploring Operation: 88-6=82, Resulting Numbers: [80, 45, 82] Generated Node #0,0: 47:[80, 45, 82] Operation: 88-6=82 Exploring Operation: 6+45=51, Resulting Numbers: [88, 80, 51] Generated Node #0,1: 47:[88, 80, 51] Operation: 6+45=51 Exploring Operation: 80-6=74, Resulting Numbers: [88, 45, 74] Generated Node #0,2: 47:[88, 45, 74] Operation: 80-6=74 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[80, 45, 82], Operations: ['88-6=82'] Exploring Operation: 80-45=35, Resulting Numbers: [82, 35] Generated Node #0,0,0: 47:[82, 35] Operation: 80-45=35 Exploring Operation: 82-45=37, Resulting Numbers: [80, 37] Generated Node #0,0,1: 47:[80, 37] Operation: 82-45=37 Exploring Operation: 82-80=2, Resulting Numbers: [45, 2] Generated Node #0,0,2: 47:[45, 2] Operation: 82-80=2 Moving to Node #0,0,1 Current State: 47:[80, 37], Operations: ['88-6=82', '82-45=37'] Exploring Operation: 80-37=43, Resulting Numbers: [43] 43,47 unequal: No Solution Exploring Operation: 80+37=117, Resulting Numbers: [117] 117,47 unequal: No Solution Exploring Operation: 80*37=2960, Resulting Numbers: [2960] 2960,47 unequal: No Solution Moving to Node #0,0,0 Current State: 47:[82, 35], Operations: ['88-6=82', '80-45=35'] Exploring Operation: 82*35=2870, Resulting Numbers: [2870] 2870,47 unequal: No Solution Exploring Operation: 82+35=117, Resulting Numbers: [117] 117,47 unequal: No Solution Exploring Operation: 82-35=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[6, 88, 80, 45], Operations: [] Exploring Operation: 88-6=82, Resulting Numbers: [80, 45, 82] Generated Node #0,0: 47:[80, 45, 82] Operation: 88-6=82 Moving to Node #0,0 Current State: 47:[80, 45, 82], Operations: ['88-6=82'] Exploring Operation: 80-45=35, Resulting Numbers: [82, 35] Generated Node #0,0,0: 47:[82, 35] Operation: 80-45=35 Moving to Node #0,0,0 Current State: 47:[82, 35], Operations: ['88-6=82', '80-45=35'] Exploring Operation: 82-35=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
sum_heuristic
[ 2, 37, 84, 72 ]
43
[ "84-72=12", "12/2=6", "37+6=43" ]
Current State: 43:[2, 37, 84, 72], Operations: [] Exploring Operation: 84-72=12, Resulting Numbers: [2, 37, 12] Generated Node #2: [2, 37, 12] from Operation: 84-72=12 Current State: 43:[2, 37, 12], Operations: ['84-72=12'] Exploring Operation: 12/2=6, Resulting Numbers: [37, 6] Generated Node #3: [37, 6] from Operation: 12/2=6 Current State: 43:[37, 6], Operations: ['84-72=12', '12/2=6'] Exploring Operation: 37+6=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[2, 37, 84, 72], Operations: [] Exploring Operation: 84-2=82, Resulting Numbers: [37, 72, 82] Generated Node #0,0: 43:[37, 72, 82] Operation: 84-2=82 Exploring Operation: 84/2=42, Resulting Numbers: [37, 72, 42] Generated Node #0,1: 43:[37, 72, 42] Operation: 84/2=42 Exploring Operation: 2+37=39, Resulting Numbers: [84, 72, 39] Generated Node #0,2: 43:[84, 72, 39] Operation: 2+37=39 Exploring Operation: 72/2=36, Resulting Numbers: [37, 84, 36] Generated Node #0,3: 43:[37, 84, 36] Operation: 72/2=36 Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[37, 72, 42], Operations: ['84/2=42'] Exploring Operation: 37+72=109, Resulting Numbers: [42, 109] Generated Node #0,1,0: 43:[42, 109] Operation: 37+72=109 Exploring Operation: 37+42=79, Resulting Numbers: [72, 79] Generated Node #0,1,1: 43:[72, 79] Operation: 37+42=79 Exploring Operation: 72-37=35, Resulting Numbers: [42, 35] Generated Node #0,1,2: 43:[42, 35] Operation: 72-37=35 Exploring Operation: 72-42=30, Resulting Numbers: [37, 30] Generated Node #0,1,3: 43:[37, 30] Operation: 72-42=30 Moving to Node #0,1,2 Current State: 43:[42, 35], Operations: ['84/2=42', '72-37=35'] Exploring Operation: 42*35=1470, Resulting Numbers: [1470] 1470,43 unequal: No Solution Exploring Operation: 42+35=77, Resulting Numbers: [77] 77,43 unequal: No Solution Exploring Operation: 42-35=7, Resulting Numbers: [7] 7,43 unequal: No Solution Moving to Node #0,1,3 Current State: 43:[37, 30], Operations: ['84/2=42', '72-42=30'] Exploring Operation: 37-30=7, Resulting Numbers: [7] 7,43 unequal: No Solution Exploring Operation: 37*30=1110, Resulting Numbers: [1110] 1110,43 unequal: No Solution Exploring Operation: 37+30=67, Resulting Numbers: [67] 67,43 unequal: No Solution Moving to Node #0,1,1 Current State: 43:[72, 79], Operations: ['84/2=42', '37+42=79'] Exploring Operation: 72*79=5688, Resulting Numbers: [5688] 5688,43 unequal: No Solution Exploring Operation: 72+79=151, Resulting Numbers: [151] 151,43 unequal: No Solution Exploring Operation: 79-72=7, Resulting Numbers: [7] 7,43 unequal: No Solution Moving to Node #0,1,0 Current State: 43:[42, 109], Operations: ['84/2=42', '37+72=109'] Exploring Operation: 42+109=151, Resulting Numbers: [151] 151,43 unequal: No Solution Exploring Operation: 109-42=67, Resulting Numbers: [67] 67,43 unequal: No Solution Exploring Operation: 42*109=4578, Resulting Numbers: [4578] 4578,43 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:[37, 84, 36], Operations: ['72/2=36'] Exploring Operation: 37+36=73, Resulting Numbers: [84, 73] Generated Node #0,3,0: 43:[84, 73] Operation: 37+36=73 Exploring Operation: 84-36=48, Resulting Numbers: [37, 48] Generated Node #0,3,1: 43:[37, 48] Operation: 84-36=48 Exploring Operation: 37-36=1, Resulting Numbers: [84, 1] Generated Node #0,3,2: 43:[84, 1] Operation: 37-36=1 Exploring Operation: 84-37=47, Resulting Numbers: [36, 47] Generated Node #0,3,3: 43:[36, 47] Operation: 84-37=47 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 43:[37, 48], Operations: ['72/2=36', '84-36=48'] Exploring Operation: 48-37=11, Resulting Numbers: [11] 11,43 unequal: No Solution Exploring Operation: 37*48=1776, Resulting Numbers: [1776] 1776,43 unequal: No Solution Exploring Operation: 37+48=85, Resulting Numbers: [85] 85,43 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:[36, 47], Operations: ['72/2=36', '84-37=47'] Exploring Operation: 47-36=11, Resulting Numbers: [11] 11,43 unequal: No Solution Exploring Operation: 36+47=83, Resulting Numbers: [83] 83,43 unequal: No Solution Exploring Operation: 36*47=1692, Resulting Numbers: [1692] 1692,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 43:[84, 73], Operations: ['72/2=36', '37+36=73'] Exploring Operation: 84*73=6132, Resulting Numbers: [6132] 6132,43 unequal: No Solution Exploring Operation: 84+73=157, Resulting Numbers: [157] 157,43 unequal: No Solution Exploring Operation: 84-73=11, Resulting Numbers: [11] 11,43 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:[84, 1], Operations: ['72/2=36', '37-36=1'] Exploring Operation: 84+1=85, Resulting Numbers: [85] 85,43 unequal: No Solution Exploring Operation: 84/1=84, Resulting Numbers: [84] 84,43 unequal: No Solution Exploring Operation: 84-1=83, Resulting Numbers: [83] 83,43 unequal: No Solution Exploring Operation: 84*1=84, Resulting Numbers: [84] 84,43 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:[37, 72, 82], Operations: ['84-2=82'] Exploring Operation: 37+72=109, Resulting Numbers: [82, 109] Generated Node #0,0,0: 43:[82, 109] Operation: 37+72=109 Exploring Operation: 72-37=35, Resulting Numbers: [82, 35] Generated Node #0,0,1: 43:[82, 35] Operation: 72-37=35 Exploring Operation: 82-72=10, Resulting Numbers: [37, 10] Generated Node #0,0,2: 43:[37, 10] Operation: 82-72=10 Exploring Operation: 82-37=45, Resulting Numbers: [72, 45] Generated Node #0,0,3: 43:[72, 45] Operation: 82-37=45 Moving to Node #0,0,3 Current State: 43:[72, 45], Operations: ['84-2=82', '82-37=45'] Exploring Operation: 72-45=27, Resulting Numbers: [27] 27,43 unequal: No Solution Exploring Operation: 72+45=117, Resulting Numbers: [117] 117,43 unequal: No Solution Exploring Operation: 72*45=3240, Resulting Numbers: [3240] 3240,43 unequal: No Solution Moving to Node #0,0,2 Current State: 43:[37, 10], Operations: ['84-2=82', '82-72=10'] Exploring Operation: 37+10=47, Resulting Numbers: [47] 47,43 unequal: No Solution Exploring Operation: 37*10=370, Resulting Numbers: [370] 370,43 unequal: No Solution Exploring Operation: 37-10=27, Resulting Numbers: [27] 27,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[82, 35], Operations: ['84-2=82', '72-37=35'] Exploring Operation: 82*35=2870, Resulting Numbers: [2870] 2870,43 unequal: No Solution Exploring Operation: 82-35=47, Resulting Numbers: [47] 47,43 unequal: No Solution Exploring Operation: 82+35=117, Resulting Numbers: [117] 117,43 unequal: No Solution Moving to Node #0,0,0 Current State: 43:[82, 109], Operations: ['84-2=82', '37+72=109'] Exploring Operation: 82*109=8938, Resulting Numbers: [8938] 8938,43 unequal: No Solution Exploring Operation: 82+109=191, Resulting Numbers: [191] 191,43 unequal: No Solution Exploring Operation: 109-82=27, Resulting Numbers: [27] 27,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 43:[84, 72, 39], Operations: ['2+37=39'] Exploring Operation: 84+39=123, Resulting Numbers: [72, 123] Generated Node #0,2,0: 43:[72, 123] Operation: 84+39=123 Exploring Operation: 72-39=33, Resulting Numbers: [84, 33] Generated Node #0,2,1: 43:[84, 33] Operation: 72-39=33 Exploring Operation: 84-39=45, Resulting Numbers: [72, 45] Generated Node #0,2,2: 43:[72, 45] Operation: 84-39=45 Exploring Operation: 84-72=12, Resulting Numbers: [39, 12] Generated Node #0,2,3: 43:[39, 12] Operation: 84-72=12 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 43:[72, 45], Operations: ['2+37=39', '84-39=45'] Exploring Operation: 72*45=3240, Resulting Numbers: [3240] 3240,43 unequal: No Solution Exploring Operation: 72+45=117, Resulting Numbers: [117] 117,43 unequal: No Solution Exploring Operation: 72-45=27, Resulting Numbers: [27] 27,43 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:[39, 12], Operations: ['2+37=39', '84-72=12'] Exploring Operation: 39-12=27, Resulting Numbers: [27] 27,43 unequal: No Solution Exploring Operation: 39*12=468, Resulting Numbers: [468] 468,43 unequal: No Solution Exploring Operation: 39+12=51, Resulting Numbers: [51] 51,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 43:[84, 33], Operations: ['2+37=39', '72-39=33'] Exploring Operation: 84-33=51, Resulting Numbers: [51] 51,43 unequal: No Solution Exploring Operation: 84+33=117, Resulting Numbers: [117] 117,43 unequal: No Solution Exploring Operation: 84*33=2772, Resulting Numbers: [2772] 2772,43 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:[72, 123], Operations: ['2+37=39', '84+39=123'] Exploring Operation: 72+123=195, Resulting Numbers: [195] 195,43 unequal: No Solution Exploring Operation: 123-72=51, Resulting Numbers: [51] 51,43 unequal: No Solution Exploring Operation: 72*123=8856, Resulting Numbers: [8856] 8856,43 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
mult_heuristic
[ 79, 80, 57, 4 ]
13
[ "80-57=23", "4*23=92", "92-79=13" ]
Current State: 13:[79, 80, 57, 4], Operations: [] Exploring Operation: 80-57=23, Resulting Numbers: [79, 4, 23] Generated Node #2: [79, 4, 23] from Operation: 80-57=23 Current State: 13:[79, 4, 23], Operations: ['80-57=23'] Exploring Operation: 4*23=92, Resulting Numbers: [79, 92] Generated Node #3: [79, 92] from Operation: 4*23=92 Current State: 13:[79, 92], Operations: ['80-57=23', '4*23=92'] Exploring Operation: 92-79=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[79, 80, 57, 4], Operations: [] Exploring Operation: 80-79=1, Resulting Numbers: [57, 4, 1] Generated Node #0,0: 13:[57, 4, 1] Operation: 80-79=1 Exploring Operation: 80-57=23, Resulting Numbers: [79, 4, 23] Generated Node #0,1: 13:[79, 4, 23] Operation: 80-57=23 Exploring Operation: 79-57=22, Resulting Numbers: [80, 4, 22] Generated Node #0,2: 13:[80, 4, 22] Operation: 79-57=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[57, 4, 1], Operations: ['80-79=1'] Exploring Operation: 4+1=5, Resulting Numbers: [57, 5] Generated Node #0,0,0: 13:[57, 5] Operation: 4+1=5 Exploring Operation: 57-4=53, Resulting Numbers: [1, 53] Generated Node #0,0,1: 13:[1, 53] Operation: 57-4=53 Exploring Operation: 57-1=56, Resulting Numbers: [4, 56] Generated Node #0,0,2: 13:[4, 56] Operation: 57-1=56 Moving to Node #0,0,0 Current State: 13:[57, 5], Operations: ['80-79=1', '4+1=5'] Exploring Operation: 57*5=285, Resulting Numbers: [285] 285,13 unequal: No Solution Exploring Operation: 57+5=62, Resulting Numbers: [62] 62,13 unequal: No Solution Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,13 unequal: No Solution Moving to Node #0,0,1 Current State: 13:[1, 53], Operations: ['80-79=1', '57-4=53'] Exploring Operation: 1*53=53, Resulting Numbers: [53] 53,13 unequal: No Solution Exploring Operation: 53-1=52, Resulting Numbers: [52] 52,13 unequal: No Solution Exploring Operation: 53/1=53, Resulting Numbers: [53] 53,13 unequal: No Solution Moving to Node #0,0,2 Current State: 13:[4, 56], Operations: ['80-79=1', '57-1=56'] Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,13 unequal: No Solution Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,13 unequal: No Solution Exploring Operation: 4+56=60, Resulting Numbers: [60] 60,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 13:[79, 4, 23], Operations: ['80-57=23'] Exploring Operation: 79-23=56, Resulting Numbers: [4, 56] Generated Node #0,1,0: 13:[4, 56] Operation: 79-23=56 Exploring Operation: 79-4=75, Resulting Numbers: [23, 75] Generated Node #0,1,1: 13:[23, 75] Operation: 79-4=75 Exploring Operation: 23-4=19, Resulting Numbers: [79, 19] Generated Node #0,1,2: 13:[79, 19] Operation: 23-4=19 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 13:[4, 56], Operations: ['80-57=23', '79-23=56'] Exploring Operation: 4+56=60, Resulting Numbers: [60] 60,13 unequal: No Solution Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,13 unequal: No Solution Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 13:[23, 75], Operations: ['80-57=23', '79-4=75'] Exploring Operation: 75-23=52, Resulting Numbers: [52] 52,13 unequal: No Solution Exploring Operation: 23*75=1725, Resulting Numbers: [1725] 1725,13 unequal: No Solution Exploring Operation: 23+75=98, Resulting Numbers: [98] 98,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 13:[79, 19], Operations: ['80-57=23', '23-4=19'] Exploring Operation: 79*19=1501, Resulting Numbers: [1501] 1501,13 unequal: No Solution Exploring Operation: 79+19=98, Resulting Numbers: [98] 98,13 unequal: No Solution Exploring Operation: 79-19=60, Resulting Numbers: [60] 60,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 13:[80, 4, 22], Operations: ['79-57=22'] Exploring Operation: 80/4=20, Resulting Numbers: [22, 20] Generated Node #0,2,0: 13:[22, 20] Operation: 80/4=20 Exploring Operation: 80-4=76, Resulting Numbers: [22, 76] Generated Node #0,2,1: 13:[22, 76] Operation: 80-4=76 Exploring Operation: 80-22=58, Resulting Numbers: [4, 58] Generated Node #0,2,2: 13:[4, 58] Operation: 80-22=58 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 13:[22, 20], Operations: ['79-57=22', '80/4=20'] Exploring Operation: 22*20=440, Resulting Numbers: [440] 440,13 unequal: No Solution Exploring Operation: 22-20=2, Resulting Numbers: [2] 2,13 unequal: No Solution Exploring Operation: 22+20=42, Resulting Numbers: [42] 42,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 13:[4, 58], Operations: ['79-57=22', '80-22=58'] Exploring Operation: 58-4=54, Resulting Numbers: [54] 54,13 unequal: No Solution Exploring Operation: 4+58=62, Resulting Numbers: [62] 62,13 unequal: No Solution Exploring Operation: 4*58=232, Resulting Numbers: [232] 232,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 13:[22, 76], Operations: ['79-57=22', '80-4=76'] Exploring Operation: 22*76=1672, Resulting Numbers: [1672] 1672,13 unequal: No Solution Exploring Operation: 76-22=54, Resulting Numbers: [54] 54,13 unequal: No Solution Exploring Operation: 22+76=98, Resulting Numbers: [98] 98,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 92, 45, 56, 63 ]
18
[ "92+45=137", "56+63=119", "137-119=18" ]
Current State: 18:[92, 45, 56, 63], Operations: [] Exploring Operation: 92+45=137, Resulting Numbers: [56, 63, 137] Generated Node #2: [56, 63, 137] from Operation: 92+45=137 Current State: 18:[56, 63, 137], Operations: ['92+45=137'] Exploring Operation: 56+63=119, Resulting Numbers: [137, 119] Generated Node #3: [137, 119] from Operation: 56+63=119 Current State: 18:[137, 119], Operations: ['92+45=137', '56+63=119'] Exploring Operation: 137-119=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[92, 45, 56, 63], Operations: [] Exploring Operation: 92-56=36, Resulting Numbers: [45, 63, 36] Generated Node #0,0: 18:[45, 63, 36] Operation: 92-56=36 Exploring Operation: 92-63=29, Resulting Numbers: [45, 56, 29] Generated Node #0,1: 18:[45, 56, 29] Operation: 92-63=29 Exploring Operation: 92-45=47, Resulting Numbers: [56, 63, 47] Generated Node #0,2: 18:[56, 63, 47] Operation: 92-45=47 Exploring Operation: 63-56=7, Resulting Numbers: [92, 45, 7] Generated Node #0,3: 18:[92, 45, 7] Operation: 63-56=7 Start Sub Search at level 1: Moving to Node #0,1 Current State: 18:[45, 56, 29], Operations: ['92-63=29'] Exploring Operation: 56-29=27, Resulting Numbers: [45, 27] Generated Node #0,1,0: 18:[45, 27] Operation: 56-29=27 Exploring Operation: 45+56=101, Resulting Numbers: [29, 101] Generated Node #0,1,1: 18:[29, 101] Operation: 45+56=101 Exploring Operation: 45-29=16, Resulting Numbers: [56, 16] Generated Node #0,1,2: 18:[56, 16] Operation: 45-29=16 Exploring Operation: 56-45=11, Resulting Numbers: [29, 11] Generated Node #0,1,3: 18:[29, 11] Operation: 56-45=11 Moving to Node #0,1,3 Current State: 18:[29, 11], Operations: ['92-63=29', '56-45=11'] Exploring Operation: 29-11=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[92, 45, 56, 63], Operations: [] Exploring Operation: 92-63=29, Resulting Numbers: [45, 56, 29] Generated Node #0,1: 18:[45, 56, 29] Operation: 92-63=29 Moving to Node #0,1 Current State: 18:[45, 56, 29], Operations: ['92-63=29'] Exploring Operation: 56-45=11, Resulting Numbers: [29, 11] Generated Node #0,1,3: 18:[29, 11] Operation: 56-45=11 Moving to Node #0,1,3 Current State: 18:[29, 11], Operations: ['92-63=29', '56-45=11'] Exploring Operation: 29-11=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 83, 64, 1, 69 ]
49
[ "83-64=19", "69-1=68", "68-19=49" ]
Current State: 49:[83, 64, 1, 69], Operations: [] Exploring Operation: 83-64=19, Resulting Numbers: [1, 69, 19] Generated Node #2: [1, 69, 19] from Operation: 83-64=19 Current State: 49:[1, 69, 19], Operations: ['83-64=19'] Exploring Operation: 69-1=68, Resulting Numbers: [19, 68] Generated Node #3: [19, 68] from Operation: 69-1=68 Current State: 49:[19, 68], Operations: ['83-64=19', '69-1=68'] Exploring Operation: 68-19=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[83, 64, 1, 69], Operations: [] Exploring Operation: 83-69=14, Resulting Numbers: [64, 1, 14] Generated Node #0,0: 49:[64, 1, 14] Operation: 83-69=14 Moving to Node #0,0 Current State: 49:[64, 1, 14], Operations: ['83-69=14'] Exploring Operation: 64-14=50, Resulting Numbers: [1, 50] Generated Node #0,0,0: 49:[1, 50] Operation: 64-14=50 Moving to Node #0,0,0 Current State: 49:[1, 50], Operations: ['83-69=14', '64-14=50'] Exploring Operation: 50-1=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[83, 64, 1, 69], Operations: [] Exploring Operation: 83-69=14, Resulting Numbers: [64, 1, 14] Generated Node #0,0: 49:[64, 1, 14] Operation: 83-69=14 Moving to Node #0,0 Current State: 49:[64, 1, 14], Operations: ['83-69=14'] Exploring Operation: 64-14=50, Resulting Numbers: [1, 50] Generated Node #0,0,0: 49:[1, 50] Operation: 64-14=50 Moving to Node #0,0,0 Current State: 49:[1, 50], Operations: ['83-69=14', '64-14=50'] Exploring Operation: 50-1=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 89, 37, 71, 40 ]
92
[ "71+40=111", "111/37=3", "89+3=92" ]
Current State: 92:[89, 37, 71, 40], Operations: [] Exploring Operation: 71+40=111, Resulting Numbers: [89, 37, 111] Generated Node #2: [89, 37, 111] from Operation: 71+40=111 Current State: 92:[89, 37, 111], Operations: ['71+40=111'] Exploring Operation: 111/37=3, Resulting Numbers: [89, 3] Generated Node #3: [89, 3] from Operation: 111/37=3 Current State: 92:[89, 3], Operations: ['71+40=111', '111/37=3'] Exploring Operation: 89+3=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[89, 37, 71, 40], Operations: [] Exploring Operation: 89-71=18, Resulting Numbers: [37, 40, 18] Generated Node #0,0: 92:[37, 40, 18] Operation: 89-71=18 Exploring Operation: 71-37=34, Resulting Numbers: [89, 40, 34] Generated Node #0,1: 92:[89, 40, 34] Operation: 71-37=34 Moving to Node #0,0 Current State: 92:[37, 40, 18], Operations: ['89-71=18'] Exploring Operation: 37-18=19, Resulting Numbers: [40, 19] Generated Node #0,0,0: 92:[40, 19] Operation: 37-18=19 Exploring Operation: 40-37=3, Resulting Numbers: [18, 3] Generated Node #0,0,1: 92:[18, 3] Operation: 40-37=3 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 92:[18, 3], Operations: ['89-71=18', '40-37=3'] Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,92 unequal: No Solution Exploring Operation: 18+3=21, Resulting Numbers: [21] 21,92 unequal: No Solution No 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: 92:[40, 19], Operations: ['89-71=18', '37-18=19'] Exploring Operation: 40-19=21, Resulting Numbers: [21] 21,92 unequal: No Solution Exploring Operation: 40+19=59, Resulting Numbers: [59] 59,92 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: 92:[89, 40, 34], Operations: ['71-37=34'] Exploring Operation: 89-40=49, Resulting Numbers: [34, 49] Generated Node #0,1,0: 92:[34, 49] Operation: 89-40=49 Exploring Operation: 40-34=6, Resulting Numbers: [89, 6] Generated Node #0,1,1: 92:[89, 6] Operation: 40-34=6 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 92:[89, 6], Operations: ['71-37=34', '40-34=6'] Exploring Operation: 89+6=95, Resulting Numbers: [95] 95,92 unequal: No Solution Exploring Operation: 89-6=83, Resulting Numbers: [83] 83,92 unequal: No Solution No 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: 92:[34, 49], Operations: ['71-37=34', '89-40=49'] Exploring Operation: 49-34=15, Resulting Numbers: [15] 15,92 unequal: No Solution Exploring Operation: 34+49=83, Resulting Numbers: [83] 83,92 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
[ 12, 35, 11, 90 ]
55
[ "12-11=1", "90-35=55", "1*55=55" ]
Current State: 55:[12, 35, 11, 90], Operations: [] Exploring Operation: 12-11=1, Resulting Numbers: [35, 90, 1] Generated Node #2: [35, 90, 1] from Operation: 12-11=1 Current State: 55:[35, 90, 1], Operations: ['12-11=1'] Exploring Operation: 90-35=55, Resulting Numbers: [1, 55] Generated Node #3: [1, 55] from Operation: 90-35=55 Current State: 55:[1, 55], Operations: ['12-11=1', '90-35=55'] Exploring Operation: 1*55=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[12, 35, 11, 90], Operations: [] Exploring Operation: 90-35=55, Resulting Numbers: [12, 11, 55] Generated Node #0,0: 55:[12, 11, 55] Operation: 90-35=55 Exploring Operation: 12+35=47, Resulting Numbers: [11, 90, 47] Generated Node #0,1: 55:[11, 90, 47] Operation: 12+35=47 Exploring Operation: 35+11=46, Resulting Numbers: [12, 90, 46] Generated Node #0,2: 55:[12, 90, 46] Operation: 35+11=46 Exploring Operation: 90-12=78, Resulting Numbers: [35, 11, 78] Generated Node #0,3: 55:[35, 11, 78] Operation: 90-12=78 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[12, 11, 55], Operations: ['90-35=55'] Exploring Operation: 12+55=67, Resulting Numbers: [11, 67] Generated Node #0,0,0: 55:[11, 67] Operation: 12+55=67 Exploring Operation: 12+11=23, Resulting Numbers: [55, 23] Generated Node #0,0,1: 55:[55, 23] Operation: 12+11=23 Exploring Operation: 55/11=5, Resulting Numbers: [12, 5] Generated Node #0,0,2: 55:[12, 5] Operation: 55/11=5 Exploring Operation: 12-11=1, Resulting Numbers: [55, 1] Generated Node #0,0,3: 55:[55, 1] Operation: 12-11=1 Moving to Node #0,0,2 Current State: 55:[12, 5], Operations: ['90-35=55', '55/11=5'] Exploring Operation: 12+5=17, Resulting Numbers: [17] 17,55 unequal: No Solution Exploring Operation: 12*5=60, Resulting Numbers: [60] 60,55 unequal: No Solution Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,55 unequal: No Solution Moving to Node #0,0,3 Current State: 55:[55, 1], Operations: ['90-35=55', '12-11=1'] Exploring Operation: 55+1=56, Resulting Numbers: [56] 56,55 unequal: No Solution Exploring Operation: 55-1=54, Resulting Numbers: [54] 54,55 unequal: No Solution Exploring Operation: 55*1=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[12, 35, 11, 90], Operations: [] Exploring Operation: 90-35=55, Resulting Numbers: [12, 11, 55] Generated Node #0,0: 55:[12, 11, 55] Operation: 90-35=55 Moving to Node #0,0 Current State: 55:[12, 11, 55], Operations: ['90-35=55'] Exploring Operation: 12-11=1, Resulting Numbers: [55, 1] Generated Node #0,0,3: 55:[55, 1] Operation: 12-11=1 Moving to Node #0,0,3 Current State: 55:[55, 1], Operations: ['90-35=55', '12-11=1'] Exploring Operation: 55*1=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
mult_heuristic
[ 19, 41, 26, 57 ]
61
[ "41-19=22", "26+57=83", "83-22=61" ]
Current State: 61:[19, 41, 26, 57], Operations: [] Exploring Operation: 41-19=22, Resulting Numbers: [26, 57, 22] Generated Node #2: [26, 57, 22] from Operation: 41-19=22 Current State: 61:[26, 57, 22], Operations: ['41-19=22'] Exploring Operation: 26+57=83, Resulting Numbers: [22, 83] Generated Node #3: [22, 83] from Operation: 26+57=83 Current State: 61:[22, 83], Operations: ['41-19=22', '26+57=83'] Exploring Operation: 83-22=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[19, 41, 26, 57], Operations: [] Exploring Operation: 19+41=60, Resulting Numbers: [26, 57, 60] Generated Node #0,0: 61:[26, 57, 60] Operation: 19+41=60 Exploring Operation: 19+26=45, Resulting Numbers: [41, 57, 45] Generated Node #0,1: 61:[41, 57, 45] Operation: 19+26=45 Exploring Operation: 41+26=67, Resulting Numbers: [19, 57, 67] Generated Node #0,2: 61:[19, 57, 67] Operation: 41+26=67 Exploring Operation: 19+57=76, Resulting Numbers: [41, 26, 76] Generated Node #0,3: 61:[41, 26, 76] Operation: 19+57=76 Moving to Node #0,0 Current State: 61:[26, 57, 60], Operations: ['19+41=60'] Exploring Operation: 60-26=34, Resulting Numbers: [57, 34] Generated Node #0,0,0: 61:[57, 34] Operation: 60-26=34 Exploring Operation: 57-26=31, Resulting Numbers: [60, 31] Generated Node #0,0,1: 61:[60, 31] Operation: 57-26=31 Exploring Operation: 26+60=86, Resulting Numbers: [57, 86] Generated Node #0,0,2: 61:[57, 86] Operation: 26+60=86 Exploring Operation: 26+57=83, Resulting Numbers: [60, 83] Generated Node #0,0,3: 61:[60, 83] Operation: 26+57=83 Moving to Node #0,1 Current State: 61:[41, 57, 45], Operations: ['19+26=45'] Exploring Operation: 41+57=98, Resulting Numbers: [45, 98] Generated Node #0,1,0: 61:[45, 98] Operation: 41+57=98 Exploring Operation: 57-41=16, Resulting Numbers: [45, 16] Generated Node #0,1,1: 61:[45, 16] Operation: 57-41=16 Exploring Operation: 45-41=4, Resulting Numbers: [57, 4] Generated Node #0,1,2: 61:[57, 4] Operation: 45-41=4 Exploring Operation: 41+45=86, Resulting Numbers: [57, 86] Generated Node #0,1,3: 61:[57, 86] Operation: 41+45=86 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 61:[57, 86], Operations: ['19+26=45', '41+45=86'] Exploring Operation: 86-57=29, Resulting Numbers: [29] 29,61 unequal: No Solution Exploring Operation: 57+86=143, Resulting Numbers: [143] 143,61 unequal: No Solution Exploring Operation: 57*86=4902, Resulting Numbers: [4902] 4902,61 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:[45, 98], Operations: ['19+26=45', '41+57=98'] Exploring Operation: 45+98=143, Resulting Numbers: [143] 143,61 unequal: No Solution Exploring Operation: 98-45=53, Resulting Numbers: [53] 53,61 unequal: No Solution Exploring Operation: 45*98=4410, Resulting Numbers: [4410] 4410,61 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 #0,1,1 Current State: 61:[45, 16], Operations: ['19+26=45', '57-41=16'] Exploring Operation: 45*16=720, Resulting Numbers: [720] 720,61 unequal: No Solution Exploring Operation: 45+16=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[19, 41, 26, 57], Operations: [] Exploring Operation: 19+26=45, Resulting Numbers: [41, 57, 45] Generated Node #0,1: 61:[41, 57, 45] Operation: 19+26=45 Moving to Node #0,1 Current State: 61:[41, 57, 45], Operations: ['19+26=45'] Exploring Operation: 57-41=16, Resulting Numbers: [45, 16] Generated Node #0,1,1: 61:[45, 16] Operation: 57-41=16 Moving to Node #0,1,1 Current State: 61:[45, 16], Operations: ['19+26=45', '57-41=16'] Exploring Operation: 45+16=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_4
mult_heuristic
[ 77, 14, 91, 35 ]
36
[ "77+14=91", "91/91=1", "35+1=36" ]
Current State: 36:[77, 14, 91, 35], Operations: [] Exploring Operation: 77+14=91, Resulting Numbers: [91, 35, 91] Generated Node #2: [91, 35, 91] from Operation: 77+14=91 Current State: 36:[91, 35, 91], Operations: ['77+14=91'] Exploring Operation: 91/91=1, Resulting Numbers: [35, 1] Generated Node #3: [35, 1] from Operation: 91/91=1 Current State: 36:[35, 1], Operations: ['77+14=91', '91/91=1'] Exploring Operation: 35+1=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[77, 14, 91, 35], Operations: [] Exploring Operation: 91-35=56, Resulting Numbers: [77, 14, 56] Generated Node #0,0: 36:[77, 14, 56] Operation: 91-35=56 Exploring Operation: 77-35=42, Resulting Numbers: [14, 91, 42] Generated Node #0,1: 36:[14, 91, 42] Operation: 77-35=42 Exploring Operation: 77-14=63, Resulting Numbers: [91, 35, 63] Generated Node #0,2: 36:[91, 35, 63] Operation: 77-14=63 Exploring Operation: 91-77=14, Resulting Numbers: [14, 35, 14] Generated Node #0,3: 36:[14, 35, 14] Operation: 91-77=14 Exploring Operation: 91-14=77, Resulting Numbers: [77, 35, 77] Generated Node #0,4: 36:[77, 35, 77] Operation: 91-14=77 Start Sub Search at level 1: Moving to Node #0,3 Current State: 36:[14, 35, 14], Operations: ['91-77=14'] Exploring Operation: 14+14=28, Resulting Numbers: [35, 28] Generated Node #0,3,0: 36:[35, 28] Operation: 14+14=28 Exploring Operation: 14-14=0, Resulting Numbers: [35, 0] Generated Node #0,3,1: 36:[35, 0] Operation: 14-14=0 Exploring Operation: 35-14=21, Resulting Numbers: [14, 21] Generated Node #0,3,2: 36:[14, 21] Operation: 35-14=21 Exploring Operation: 35-14=21, Resulting Numbers: [14, 21] Generated Node #0,3,3: 36:[14, 21] Operation: 35-14=21 Exploring Operation: 14/14=1, Resulting Numbers: [35, 1] Generated Node #0,3,4: 36:[35, 1] Operation: 14/14=1 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 36:[35, 1], Operations: ['91-77=14', '14/14=1'] Exploring Operation: 35+1=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[77, 14, 91, 35], Operations: [] Exploring Operation: 91-77=14, Resulting Numbers: [14, 35, 14] Generated Node #0,3: 36:[14, 35, 14] Operation: 91-77=14 Moving to Node #0,3 Current State: 36:[14, 35, 14], Operations: ['91-77=14'] Exploring Operation: 14/14=1, Resulting Numbers: [35, 1] Generated Node #0,3,4: 36:[35, 1] Operation: 14/14=1 Moving to Node #0,3,4 Current State: 36:[35, 1], Operations: ['91-77=14', '14/14=1'] Exploring Operation: 35+1=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 8, 40, 32, 48 ]
38
[ "8*40=320", "320/32=10", "48-10=38" ]
Current State: 38:[8, 40, 32, 48], Operations: [] Exploring Operation: 8*40=320, Resulting Numbers: [32, 48, 320] Generated Node #2: [32, 48, 320] from Operation: 8*40=320 Current State: 38:[32, 48, 320], Operations: ['8*40=320'] Exploring Operation: 320/32=10, Resulting Numbers: [48, 10] Generated Node #3: [48, 10] from Operation: 320/32=10 Current State: 38:[48, 10], Operations: ['8*40=320', '320/32=10'] Exploring Operation: 48-10=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[8, 40, 32, 48], Operations: [] Exploring Operation: 48-8=40, Resulting Numbers: [40, 32, 40] Generated Node #0,0: 38:[40, 32, 40] Operation: 48-8=40 Exploring Operation: 48-32=16, Resulting Numbers: [8, 40, 16] Generated Node #0,1: 38:[8, 40, 16] Operation: 48-32=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 38:[40, 32, 40], Operations: ['48-8=40'] Exploring Operation: 40/40=1, Resulting Numbers: [32, 1] Generated Node #0,0,0: 38:[32, 1] Operation: 40/40=1 Exploring Operation: 40-32=8, Resulting Numbers: [40, 8] Generated Node #0,0,1: 38:[40, 8] Operation: 40-32=8 Moving to Node #0,0,0 Current State: 38:[32, 1], Operations: ['48-8=40', '40/40=1'] Exploring Operation: 32*1=32, Resulting Numbers: [32] 32,38 unequal: No Solution Exploring Operation: 32+1=33, Resulting Numbers: [33] 33,38 unequal: No Solution Moving to Node #0,0,1 Current State: 38:[40, 8], Operations: ['48-8=40', '40-32=8'] Exploring Operation: 40-8=32, Resulting Numbers: [32] 32,38 unequal: No Solution Exploring Operation: 40/8=5, Resulting Numbers: [5] 5,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 38:[8, 40, 16], Operations: ['48-32=16'] Exploring Operation: 16/8=2, Resulting Numbers: [40, 2] Generated Node #0,1,0: 38:[40, 2] Operation: 16/8=2 Exploring Operation: 40/8=5, Resulting Numbers: [16, 5] Generated Node #0,1,1: 38:[16, 5] Operation: 40/8=5 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 38:[40, 2], Operations: ['48-32=16', '16/8=2'] Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[8, 40, 32, 48], Operations: [] Exploring Operation: 48-32=16, Resulting Numbers: [8, 40, 16] Generated Node #0,1: 38:[8, 40, 16] Operation: 48-32=16 Moving to Node #0,1 Current State: 38:[8, 40, 16], Operations: ['48-32=16'] Exploring Operation: 16/8=2, Resulting Numbers: [40, 2] Generated Node #0,1,0: 38:[40, 2] Operation: 16/8=2 Moving to Node #0,1,0 Current State: 38:[40, 2], Operations: ['48-32=16', '16/8=2'] Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 40, 5, 77, 17 ]
32
[ "40+77=117", "5*17=85", "117-85=32" ]
Current State: 32:[40, 5, 77, 17], Operations: [] Exploring Operation: 40+77=117, Resulting Numbers: [5, 17, 117] Generated Node #2: [5, 17, 117] from Operation: 40+77=117 Current State: 32:[5, 17, 117], Operations: ['40+77=117'] Exploring Operation: 5*17=85, Resulting Numbers: [117, 85] Generated Node #3: [117, 85] from Operation: 5*17=85 Current State: 32:[117, 85], Operations: ['40+77=117', '5*17=85'] Exploring Operation: 117-85=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[40, 5, 77, 17], Operations: [] Exploring Operation: 77-40=37, Resulting Numbers: [5, 17, 37] Generated Node #0,0: 32:[5, 17, 37] Operation: 77-40=37 Exploring Operation: 40-5=35, Resulting Numbers: [77, 17, 35] Generated Node #0,1: 32:[77, 17, 35] Operation: 40-5=35 Exploring Operation: 77-17=60, Resulting Numbers: [40, 5, 60] Generated Node #0,2: 32:[40, 5, 60] Operation: 77-17=60 Exploring Operation: 40/5=8, Resulting Numbers: [77, 17, 8] Generated Node #0,3: 32:[77, 17, 8] Operation: 40/5=8 Exploring Operation: 77-5=72, Resulting Numbers: [40, 17, 72] Generated Node #0,4: 32:[40, 17, 72] Operation: 77-5=72 Moving to Node #0,0 Current State: 32:[5, 17, 37], Operations: ['77-40=37'] Exploring Operation: 37-17=20, Resulting Numbers: [5, 20] Generated Node #0,0,0: 32:[5, 20] Operation: 37-17=20 Exploring Operation: 37-5=32, Resulting Numbers: [17, 32] Generated Node #0,0,1: 32:[17, 32] Operation: 37-5=32 Exploring Operation: 5+37=42, Resulting Numbers: [17, 42] Generated Node #0,0,2: 32:[17, 42] Operation: 5+37=42 Exploring Operation: 5+17=22, Resulting Numbers: [37, 22] Generated Node #0,0,3: 32:[37, 22] Operation: 5+17=22 Exploring Operation: 17-5=12, Resulting Numbers: [37, 12] Generated Node #0,0,4: 32:[37, 12] Operation: 17-5=12 Moving to Node #0,2 Current State: 32:[40, 5, 60], Operations: ['77-17=60'] Exploring Operation: 60-40=20, Resulting Numbers: [5, 20] Generated Node #0,2,0: 32:[5, 20] Operation: 60-40=20 Exploring Operation: 60/5=12, Resulting Numbers: [40, 12] Generated Node #0,2,1: 32:[40, 12] Operation: 60/5=12 Exploring Operation: 60-5=55, Resulting Numbers: [40, 55] Generated Node #0,2,2: 32:[40, 55] Operation: 60-5=55 Exploring Operation: 40-5=35, Resulting Numbers: [60, 35] Generated Node #0,2,3: 32:[60, 35] Operation: 40-5=35 Exploring Operation: 40/5=8, Resulting Numbers: [60, 8] Generated Node #0,2,4: 32:[60, 8] Operation: 40/5=8 Moving to Node #0,3 Current State: 32:[77, 17, 8], Operations: ['40/5=8'] Exploring Operation: 77+8=85, Resulting Numbers: [17, 85] Generated Node #0,3,0: 32:[17, 85] Operation: 77+8=85 Exploring Operation: 17-8=9, Resulting Numbers: [77, 9] Generated Node #0,3,1: 32:[77, 9] Operation: 17-8=9 Exploring Operation: 17+8=25, Resulting Numbers: [77, 25] Generated Node #0,3,2: 32:[77, 25] Operation: 17+8=25 Exploring Operation: 77-8=69, Resulting Numbers: [17, 69] Generated Node #0,3,3: 32:[17, 69] Operation: 77-8=69 Exploring Operation: 77-17=60, Resulting Numbers: [8, 60] Generated Node #0,3,4: 32:[8, 60] Operation: 77-17=60 Moving to Node #0,1 Current State: 32:[77, 17, 35], Operations: ['40-5=35'] Exploring Operation: 35-17=18, Resulting Numbers: [77, 18] Generated Node #0,1,0: 32:[77, 18] Operation: 35-17=18 Exploring Operation: 77-17=60, Resulting Numbers: [35, 60] Generated Node #0,1,1: 32:[35, 60] Operation: 77-17=60 Exploring Operation: 77-35=42, Resulting Numbers: [17, 42] Generated Node #0,1,2: 32:[17, 42] Operation: 77-35=42 Exploring Operation: 17+35=52, Resulting Numbers: [77, 52] Generated Node #0,1,3: 32:[77, 52] Operation: 17+35=52 Exploring Operation: 77+17=94, Resulting Numbers: [35, 94] Generated Node #0,1,4: 32:[35, 94] Operation: 77+17=94 Moving to Node #0,4 Current State: 32:[40, 17, 72], Operations: ['77-5=72'] Exploring Operation: 72-40=32, Resulting Numbers: [17, 32] Generated Node #0,4,0: 32:[17, 32] Operation: 72-40=32 Exploring Operation: 17+72=89, Resulting Numbers: [40, 89] Generated Node #0,4,1: 32:[40, 89] Operation: 17+72=89 Exploring Operation: 72-17=55, Resulting Numbers: [40, 55] Generated Node #0,4,2: 32:[40, 55] Operation: 72-17=55 Exploring Operation: 40-17=23, Resulting Numbers: [72, 23] Generated Node #0,4,3: 32:[72, 23] Operation: 40-17=23 Exploring Operation: 40+17=57, Resulting Numbers: [72, 57] Generated Node #0,4,4: 32:[72, 57] Operation: 40+17=57 Moving to Node #0,0,1 Current State: 32:[17, 32], Operations: ['77-40=37', '37-5=32'] Exploring Operation: 17+32=49, Resulting Numbers: [49] 49,32 unequal: No Solution Exploring Operation: 32-17=15, Resulting Numbers: [15] 15,32 unequal: No Solution Exploring Operation: 17*32=544, Resulting Numbers: [544] 544,32 unequal: No Solution Moving to Node #0,4,0 Current State: 32:[17, 32], Operations: ['77-5=72', '72-40=32'] Exploring Operation: 17+32=49, Resulting Numbers: [49] 49,32 unequal: No Solution Exploring Operation: 17*32=544, Resulting Numbers: [544] 544,32 unequal: No Solution Exploring Operation: 32-17=15, Resulting Numbers: [15] 15,32 unequal: No Solution Moving to Node #0,2,0 Current State: 32:[5, 20], Operations: ['77-17=60', '60-40=20'] Exploring Operation: 5*20=100, Resulting Numbers: [100] 100,32 unequal: No Solution Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,32 unequal: No Solution Exploring Operation: 5+20=25, Resulting Numbers: [25] 25,32 unequal: No Solution Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,32 unequal: No Solution Moving to Node #0,0,0 Current State: 32:[5, 20], Operations: ['77-40=37', '37-17=20'] Exploring Operation: 5*20=100, Resulting Numbers: [100] 100,32 unequal: No Solution Exploring Operation: 5+20=25, Resulting Numbers: [25] 25,32 unequal: No Solution Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,32 unequal: No Solution Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,32 unequal: No Solution Moving to Node #0,0,4 Current State: 32:[37, 12], Operations: ['77-40=37', '17-5=12'] Exploring Operation: 37+12=49, Resulting Numbers: [49] 49,32 unequal: No Solution Exploring Operation: 37*12=444, Resulting Numbers: [444] 444,32 unequal: No Solution Exploring Operation: 37-12=25, Resulting Numbers: [25] 25,32 unequal: No Solution Moving to Node #0,0,3 Current State: 32:[37, 22], Operations: ['77-40=37', '5+17=22'] Exploring Operation: 37*22=814, Resulting Numbers: [814] 814,32 unequal: No Solution Exploring Operation: 37-22=15, Resulting Numbers: [15] 15,32 unequal: No Solution Exploring Operation: 37+22=59, Resulting Numbers: [59] 59,32 unequal: No Solution Moving to Node #0,0,2 Current State: 32:[17, 42], Operations: ['77-40=37', '5+37=42'] Exploring Operation: 17*42=714, Resulting Numbers: [714] 714,32 unequal: No Solution Exploring Operation: 42-17=25, Resulting Numbers: [25] 25,32 unequal: No Solution Exploring Operation: 17+42=59, Resulting Numbers: [59] 59,32 unequal: No Solution Moving to Node #0,1,2 Current State: 32:[17, 42], Operations: ['40-5=35', '77-35=42'] Exploring Operation: 17+42=59, Resulting Numbers: [59] 59,32 unequal: No Solution Exploring Operation: 42-17=25, Resulting Numbers: [25] 25,32 unequal: No Solution Exploring Operation: 17*42=714, Resulting Numbers: [714] 714,32 unequal: No Solution Moving to Node #0,2,1 Current State: 32:[40, 12], Operations: ['77-17=60', '60/5=12'] Exploring Operation: 40+12=52, Resulting Numbers: [52] 52,32 unequal: No Solution Exploring Operation: 40*12=480, Resulting Numbers: [480] 480,32 unequal: No Solution Exploring Operation: 40-12=28, Resulting Numbers: [28] 28,32 unequal: No Solution Moving to Node #0,3,4 Current State: 32:[8, 60], Operations: ['40/5=8', '77-17=60'] Exploring Operation: 8+60=68, Resulting Numbers: [68] 68,32 unequal: No Solution Exploring Operation: 8*60=480, Resulting Numbers: [480] 480,32 unequal: No Solution Exploring Operation: 60-8=52, Resulting Numbers: [52] 52,32 unequal: No Solution Moving to Node #0,2,4 Current State: 32:[60, 8], Operations: ['77-17=60', '40/5=8'] Exploring Operation: 60+8=68, Resulting Numbers: [68] 68,32 unequal: No Solution Exploring Operation: 60*8=480, Resulting Numbers: [480] 480,32 unequal: No Solution Exploring Operation: 60-8=52, Resulting Numbers: [52] 52,32 unequal: No Solution Moving to Node #0,4,2 Current State: 32:[40, 55], Operations: ['77-5=72', '72-17=55'] Exploring Operation: 55-40=15, Resulting Numbers: [15] 15,32 unequal: No Solution Exploring Operation: 40+55=95, Resulting Numbers: [95] 95,32 unequal: No Solution Exploring Operation: 40*55=2200, Resulting Numbers: [2200] 2200,32 unequal: No Solution Moving to Node #0,2,3 Current State: 32:[60, 35], Operations: ['77-17=60', '40-5=35'] Exploring Operation: 60-35=25, Resulting Numbers: [25] 25,32 unequal: No Solution Exploring Operation: 60*35=2100, Resulting Numbers: [2100] 2100,32 unequal: No Solution Exploring Operation: 60+35=95, Resulting Numbers: [95] 95,32 unequal: No Solution Moving to Node #0,2,2 Current State: 32:[40, 55], Operations: ['77-17=60', '60-5=55'] Exploring Operation: 40*55=2200, Resulting Numbers: [2200] 2200,32 unequal: No Solution Exploring Operation: 40+55=95, Resulting Numbers: [95] 95,32 unequal: No Solution Exploring Operation: 55-40=15, Resulting Numbers: [15] 15,32 unequal: No Solution Moving to Node #0,1,1 Current State: 32:[35, 60], Operations: ['40-5=35', '77-17=60'] Exploring Operation: 35*60=2100, Resulting Numbers: [2100] 2100,32 unequal: No Solution Exploring Operation: 35+60=95, Resulting Numbers: [95] 95,32 unequal: No Solution Exploring Operation: 60-35=25, Resulting Numbers: [25] 25,32 unequal: No Solution Moving to Node #0,3,3 Current State: 32:[17, 69], Operations: ['40/5=8', '77-8=69'] Exploring Operation: 17+69=86, Resulting Numbers: [86] 86,32 unequal: No Solution Exploring Operation: 69-17=52, Resulting Numbers: [52] 52,32 unequal: No Solution Exploring Operation: 17*69=1173, Resulting Numbers: [1173] 1173,32 unequal: No Solution Moving to Node #0,3,1 Current State: 32:[77, 9], Operations: ['40/5=8', '17-8=9'] Exploring Operation: 77*9=693, Resulting Numbers: [693] 693,32 unequal: No Solution Exploring Operation: 77+9=86, Resulting Numbers: [86] 86,32 unequal: No Solution Exploring Operation: 77-9=68, Resulting Numbers: [68] 68,32 unequal: No Solution Moving to Node #0,4,3 Current State: 32:[72, 23], Operations: ['77-5=72', '40-17=23'] Exploring Operation: 72-23=49, Resulting Numbers: [49] 49,32 unequal: No Solution Exploring Operation: 72*23=1656, Resulting Numbers: [1656] 1656,32 unequal: No Solution Exploring Operation: 72+23=95, Resulting Numbers: [95] 95,32 unequal: No Solution Moving to Node #0,1,0 Current State: 32:[77, 18], Operations: ['40-5=35', '35-17=18'] Exploring Operation: 77+18=95, Resulting Numbers: [95] 95,32 unequal: No Solution Exploring Operation: 77*18=1386, Resulting Numbers: [1386] 1386,32 unequal: No Solution Exploring Operation: 77-18=59, Resulting Numbers: [59] 59,32 unequal: No Solution Moving to Node #0,3,2 Current State: 32:[77, 25], Operations: ['40/5=8', '17+8=25'] Exploring Operation: 77-25=52, Resulting Numbers: [52] 52,32 unequal: No Solution Exploring Operation: 77*25=1925, Resulting Numbers: [1925] 1925,32 unequal: No Solution Exploring Operation: 77+25=102, Resulting Numbers: [102] 102,32 unequal: No Solution Moving to Node #0,3,0 Current State: 32:[17, 85], Operations: ['40/5=8', '77+8=85'] Exploring Operation: 17*85=1445, Resulting Numbers: [1445] 1445,32 unequal: No Solution Exploring Operation: 85-17=68, Resulting Numbers: [68] 68,32 unequal: No Solution Exploring Operation: 17+85=102, Resulting Numbers: [102] 102,32 unequal: No Solution Exploring Operation: 85/17=5, Resulting Numbers: [5] 5,32 unequal: No Solution Moving to Node #0,4,4 Current State: 32:[72, 57], Operations: ['77-5=72', '40+17=57'] Exploring Operation: 72*57=4104, Resulting Numbers: [4104] 4104,32 unequal: No Solution Exploring Operation: 72-57=15, Resulting Numbers: [15] 15,32 unequal: No Solution Exploring Operation: 72+57=129, Resulting Numbers: [129] 129,32 unequal: No Solution Moving to Node #0,1,3 Current State: 32:[77, 52], Operations: ['40-5=35', '17+35=52'] Exploring Operation: 77+52=129, Resulting Numbers: [129] 129,32 unequal: No Solution Exploring Operation: 77*52=4004, Resulting Numbers: [4004] 4004,32 unequal: No Solution Exploring Operation: 77-52=25, Resulting Numbers: [25] 25,32 unequal: No Solution Moving to Node #0,1,4 Current State: 32:[35, 94], Operations: ['40-5=35', '77+17=94'] Exploring Operation: 94-35=59, Resulting Numbers: [59] 59,32 unequal: No Solution Exploring Operation: 35+94=129, Resulting Numbers: [129] 129,32 unequal: No Solution Exploring Operation: 35*94=3290, Resulting Numbers: [3290] 3290,32 unequal: No Solution Moving to Node #0,4,1 Current State: 32:[40, 89], Operations: ['77-5=72', '17+72=89'] Exploring Operation: 40+89=129, Resulting Numbers: [129] 129,32 unequal: No Solution Exploring Operation: 40*89=3560, Resulting Numbers: [3560] 3560,32 unequal: No Solution Exploring Operation: 89-40=49, Resulting Numbers: [49] 49,32 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 5, 41, 6, 1 ]
77
[ "5+1=6", "6*6=36", "41+36=77" ]
Current State: 77:[5, 41, 6, 1], Operations: [] Exploring Operation: 5+1=6, Resulting Numbers: [41, 6, 6] Generated Node #2: [41, 6, 6] from Operation: 5+1=6 Current State: 77:[41, 6, 6], Operations: ['5+1=6'] Exploring Operation: 6*6=36, Resulting Numbers: [41, 36] Generated Node #3: [41, 36] from Operation: 6*6=36 Current State: 77:[41, 36], Operations: ['5+1=6', '6*6=36'] Exploring Operation: 41+36=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[5, 41, 6, 1], Operations: [] Exploring Operation: 41-5=36, Resulting Numbers: [6, 1, 36] Generated Node #0,0: 77:[6, 1, 36] Operation: 41-5=36 Moving to Node #0,0 Current State: 77:[6, 1, 36], Operations: ['41-5=36'] Exploring Operation: 36/6=6, Resulting Numbers: [1, 6] Generated Node #0,0,0: 77:[1, 6] Operation: 36/6=6 Moving to Node #0,0,0 Current State: 77:[1, 6], Operations: ['41-5=36', '36/6=6'] Exploring Operation: 1+6=7, Resulting Numbers: [7] 7,77 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 20, 60, 2, 22 ]
60
[ "20+60=80", "22-2=20", "80-20=60" ]
Current State: 60:[20, 60, 2, 22], Operations: [] Exploring Operation: 20+60=80, Resulting Numbers: [2, 22, 80] Generated Node #2: [2, 22, 80] from Operation: 20+60=80 Current State: 60:[2, 22, 80], Operations: ['20+60=80'] Exploring Operation: 22-2=20, Resulting Numbers: [80, 20] Generated Node #3: [80, 20] from Operation: 22-2=20 Current State: 60:[80, 20], Operations: ['20+60=80', '22-2=20'] Exploring Operation: 80-20=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[20, 60, 2, 22], Operations: [] Exploring Operation: 22-20=2, Resulting Numbers: [60, 2, 2] Generated Node #0,0: 60:[60, 2, 2] Operation: 22-20=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[60, 2, 2], Operations: ['22-20=2'] Exploring Operation: 60/2=30, Resulting Numbers: [2, 30] Generated Node #0,0,0: 60:[2, 30] Operation: 60/2=30 Moving to Node #0,0,0 Current State: 60:[2, 30], Operations: ['22-20=2', '60/2=30'] Exploring Operation: 2*30=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[20, 60, 2, 22], Operations: [] Exploring Operation: 22-20=2, Resulting Numbers: [60, 2, 2] Generated Node #0,0: 60:[60, 2, 2] Operation: 22-20=2 Moving to Node #0,0 Current State: 60:[60, 2, 2], Operations: ['22-20=2'] Exploring Operation: 60/2=30, Resulting Numbers: [2, 30] Generated Node #0,0,0: 60:[2, 30] Operation: 60/2=30 Moving to Node #0,0,0 Current State: 60:[2, 30], Operations: ['22-20=2', '60/2=30'] Exploring Operation: 2*30=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 18, 17, 18, 69 ]
52
[ "18+17=35", "18+69=87", "87-35=52" ]
Current State: 52:[18, 17, 18, 69], Operations: [] Exploring Operation: 18+17=35, Resulting Numbers: [69, 35] Generated Node #2: [69, 35] from Operation: 18+17=35 Current State: 52:[69, 35], Operations: ['18+17=35'] Exploring Operation: 18+69=87, Resulting Numbers: [35, 87] Generated Node #3: [35, 87] from Operation: 18+69=87 Current State: 52:[35, 87], Operations: ['18+17=35', '18+69=87'] Exploring Operation: 87-35=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[18, 17, 18, 69], Operations: [] Exploring Operation: 69-17=52, Resulting Numbers: [18, 18, 52] Generated Node #0,0: 52:[18, 18, 52] Operation: 69-17=52 Exploring Operation: 18/18=1, Resulting Numbers: [17, 69, 1] Generated Node #0,1: 52:[17, 69, 1] Operation: 18/18=1 Exploring Operation: 69-18=51, Resulting Numbers: [17, 18, 51] Generated Node #0,2: 52:[17, 18, 51] Operation: 69-18=51 Exploring Operation: 18-17=1, Resulting Numbers: [18, 69, 1] Generated Node #0,3: 52:[18, 69, 1] Operation: 18-17=1 Exploring Operation: 69-18=51, Resulting Numbers: [18, 17, 51] Generated Node #0,4: 52:[18, 17, 51] Operation: 69-18=51 Moving to Node #0,0 Current State: 52:[18, 18, 52], Operations: ['69-17=52'] Exploring Operation: 52-18=34, Resulting Numbers: [18, 34] Generated Node #0,0,0: 52:[18, 34] Operation: 52-18=34 Exploring Operation: 18-18=0, Resulting Numbers: [52, 0] Generated Node #0,0,1: 52:[52, 0] Operation: 18-18=0 Exploring Operation: 52-18=34, Resulting Numbers: [18, 34] Generated Node #0,0,2: 52:[18, 34] Operation: 52-18=34 Exploring Operation: 18+18=36, Resulting Numbers: [52, 36] Generated Node #0,0,3: 52:[52, 36] Operation: 18+18=36 Exploring Operation: 18/18=1, Resulting Numbers: [52, 1] Generated Node #0,0,4: 52:[52, 1] Operation: 18/18=1 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 52:[52, 1], Operations: ['69-17=52', '18/18=1'] Exploring Operation: 52-1=51, Resulting Numbers: [51] 51,52 unequal: No Solution Exploring Operation: 52+1=53, Resulting Numbers: [53] 53,52 unequal: No Solution Exploring Operation: 52*1=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[18, 17, 18, 69], Operations: [] Exploring Operation: 69-17=52, Resulting Numbers: [18, 18, 52] Generated Node #0,0: 52:[18, 18, 52] Operation: 69-17=52 Moving to Node #0,0 Current State: 52:[18, 18, 52], Operations: ['69-17=52'] Exploring Operation: 18/18=1, Resulting Numbers: [52, 1] Generated Node #0,0,4: 52:[52, 1] Operation: 18/18=1 Moving to Node #0,0,4 Current State: 52:[52, 1], Operations: ['69-17=52', '18/18=1'] Exploring Operation: 52*1=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 89, 14, 23, 47 ]
26
[ "89-47=42", "42/14=3", "23+3=26" ]
Current State: 26:[89, 14, 23, 47], Operations: [] Exploring Operation: 89-47=42, Resulting Numbers: [14, 23, 42] Generated Node #2: [14, 23, 42] from Operation: 89-47=42 Current State: 26:[14, 23, 42], Operations: ['89-47=42'] Exploring Operation: 42/14=3, Resulting Numbers: [23, 3] Generated Node #3: [23, 3] from Operation: 42/14=3 Current State: 26:[23, 3], Operations: ['89-47=42', '42/14=3'] Exploring Operation: 23+3=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[89, 14, 23, 47], Operations: [] Exploring Operation: 89-47=42, Resulting Numbers: [14, 23, 42] Generated Node #0,0: 26:[14, 23, 42] Operation: 89-47=42 Moving to Node #0,0 Current State: 26:[14, 23, 42], Operations: ['89-47=42'] Exploring Operation: 42/14=3, Resulting Numbers: [23, 3] Generated Node #0,0,0: 26:[23, 3] Operation: 42/14=3 Moving to Node #0,0,0 Current State: 26:[23, 3], Operations: ['89-47=42', '42/14=3'] Exploring Operation: 23+3=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[89, 14, 23, 47], Operations: [] Exploring Operation: 89-47=42, Resulting Numbers: [14, 23, 42] Generated Node #0,0: 26:[14, 23, 42] Operation: 89-47=42 Moving to Node #0,0 Current State: 26:[14, 23, 42], Operations: ['89-47=42'] Exploring Operation: 42/14=3, Resulting Numbers: [23, 3] Generated Node #0,0,0: 26:[23, 3] Operation: 42/14=3 Moving to Node #0,0,0 Current State: 26:[23, 3], Operations: ['89-47=42', '42/14=3'] Exploring Operation: 23+3=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 43, 23, 69, 47 ]
42
[ "43-23=20", "69-47=22", "20+22=42" ]
Current State: 42:[43, 23, 69, 47], Operations: [] Exploring Operation: 43-23=20, Resulting Numbers: [69, 47, 20] Generated Node #2: [69, 47, 20] from Operation: 43-23=20 Current State: 42:[69, 47, 20], Operations: ['43-23=20'] Exploring Operation: 69-47=22, Resulting Numbers: [20, 22] Generated Node #3: [20, 22] from Operation: 69-47=22 Current State: 42:[20, 22], Operations: ['43-23=20', '69-47=22'] Exploring Operation: 20+22=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[43, 23, 69, 47], Operations: [] Exploring Operation: 69-47=22, Resulting Numbers: [43, 23, 22] Generated Node #0,0: 42:[43, 23, 22] Operation: 69-47=22 Exploring Operation: 69/23=3, Resulting Numbers: [43, 47, 3] Generated Node #0,1: 42:[43, 47, 3] Operation: 69/23=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[43, 23, 22], Operations: ['69-47=22'] Exploring Operation: 43-23=20, Resulting Numbers: [22, 20] Generated Node #0,0,0: 42:[22, 20] Operation: 43-23=20 Exploring Operation: 43-22=21, Resulting Numbers: [23, 21] Generated Node #0,0,1: 42:[23, 21] Operation: 43-22=21 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 42:[22, 20], Operations: ['69-47=22', '43-23=20'] Exploring Operation: 22+20=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[43, 23, 69, 47], Operations: [] Exploring Operation: 69-47=22, Resulting Numbers: [43, 23, 22] Generated Node #0,0: 42:[43, 23, 22] Operation: 69-47=22 Moving to Node #0,0 Current State: 42:[43, 23, 22], Operations: ['69-47=22'] Exploring Operation: 43-23=20, Resulting Numbers: [22, 20] Generated Node #0,0,0: 42:[22, 20] Operation: 43-23=20 Moving to Node #0,0,0 Current State: 42:[22, 20], Operations: ['69-47=22', '43-23=20'] Exploring Operation: 22+20=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 67, 93, 34, 32 ]
24
[ "93-67=26", "34-32=2", "26-2=24" ]
Current State: 24:[67, 93, 34, 32], Operations: [] Exploring Operation: 93-67=26, Resulting Numbers: [34, 32, 26] Generated Node #2: [34, 32, 26] from Operation: 93-67=26 Current State: 24:[34, 32, 26], Operations: ['93-67=26'] Exploring Operation: 34-32=2, Resulting Numbers: [26, 2] Generated Node #3: [26, 2] from Operation: 34-32=2 Current State: 24:[26, 2], Operations: ['93-67=26', '34-32=2'] Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[67, 93, 34, 32], Operations: [] Exploring Operation: 67-34=33, Resulting Numbers: [93, 32, 33] Generated Node #0,0: 24:[93, 32, 33] Operation: 67-34=33 Exploring Operation: 67-32=35, Resulting Numbers: [93, 34, 35] Generated Node #0,1: 24:[93, 34, 35] Operation: 67-32=35 Exploring Operation: 93-34=59, Resulting Numbers: [67, 32, 59] Generated Node #0,2: 24:[67, 32, 59] Operation: 93-34=59 Exploring Operation: 93-32=61, Resulting Numbers: [67, 34, 61] Generated Node #0,3: 24:[67, 34, 61] Operation: 93-32=61 Exploring Operation: 93-67=26, Resulting Numbers: [34, 32, 26] Generated Node #0,4: 24:[34, 32, 26] Operation: 93-67=26 Start Sub Search at level 1: Moving to Node #0,4 Current State: 24:[34, 32, 26], Operations: ['93-67=26'] Exploring Operation: 34+26=60, Resulting Numbers: [32, 60] Generated Node #0,4,0: 24:[32, 60] Operation: 34+26=60 Exploring Operation: 34+32=66, Resulting Numbers: [26, 66] Generated Node #0,4,1: 24:[26, 66] Operation: 34+32=66 Exploring Operation: 34-32=2, Resulting Numbers: [26, 2] Generated Node #0,4,2: 24:[26, 2] Operation: 34-32=2 Exploring Operation: 34-26=8, Resulting Numbers: [32, 8] Generated Node #0,4,3: 24:[32, 8] Operation: 34-26=8 Exploring Operation: 32-26=6, Resulting Numbers: [34, 6] Generated Node #0,4,4: 24:[34, 6] Operation: 32-26=6 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 24:[26, 2], Operations: ['93-67=26', '34-32=2'] Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[67, 93, 34, 32], Operations: [] Exploring Operation: 93-67=26, Resulting Numbers: [34, 32, 26] Generated Node #0,4: 24:[34, 32, 26] Operation: 93-67=26 Moving to Node #0,4 Current State: 24:[34, 32, 26], Operations: ['93-67=26'] Exploring Operation: 34-32=2, Resulting Numbers: [26, 2] Generated Node #0,4,2: 24:[26, 2] Operation: 34-32=2 Moving to Node #0,4,2 Current State: 24:[26, 2], Operations: ['93-67=26', '34-32=2'] Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 8, 2, 31, 23 ]
44
[ "8+2=10", "31+23=54", "54-10=44" ]
Current State: 44:[8, 2, 31, 23], Operations: [] Exploring Operation: 8+2=10, Resulting Numbers: [31, 23, 10] Generated Node #2: [31, 23, 10] from Operation: 8+2=10 Current State: 44:[31, 23, 10], Operations: ['8+2=10'] Exploring Operation: 31+23=54, Resulting Numbers: [10, 54] Generated Node #3: [10, 54] from Operation: 31+23=54 Current State: 44:[10, 54], Operations: ['8+2=10', '31+23=54'] Exploring Operation: 54-10=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[8, 2, 31, 23], Operations: [] Exploring Operation: 8+2=10, Resulting Numbers: [31, 23, 10] Generated Node #0,0: 44:[31, 23, 10] Operation: 8+2=10 Exploring Operation: 31-23=8, Resulting Numbers: [8, 2, 8] Generated Node #0,1: 44:[8, 2, 8] Operation: 31-23=8 Exploring Operation: 8+31=39, Resulting Numbers: [2, 23, 39] Generated Node #0,2: 44:[2, 23, 39] Operation: 8+31=39 Exploring Operation: 31-8=23, Resulting Numbers: [2, 23, 23] Generated Node #0,3: 44:[2, 23, 23] Operation: 31-8=23 Exploring Operation: 8/2=4, Resulting Numbers: [31, 23, 4] Generated Node #0,4: 44:[31, 23, 4] Operation: 8/2=4 Start Sub Search at level 1: Moving to Node #0,3 Current State: 44:[2, 23, 23], Operations: ['31-8=23'] Exploring Operation: 23-23=0, Resulting Numbers: [2, 0] Generated Node #0,3,0: 44:[2, 0] Operation: 23-23=0 Exploring Operation: 23/23=1, Resulting Numbers: [2, 1] Generated Node #0,3,1: 44:[2, 1] Operation: 23/23=1 Exploring Operation: 23-2=21, Resulting Numbers: [23, 21] Generated Node #0,3,2: 44:[23, 21] Operation: 23-2=21 Exploring Operation: 23+23=46, Resulting Numbers: [2, 46] Generated Node #0,3,3: 44:[2, 46] Operation: 23+23=46 Exploring Operation: 23-2=21, Resulting Numbers: [23, 21] Generated Node #0,3,4: 44:[23, 21] Operation: 23-2=21 Moving to Node #0,3,1 Current State: 44:[2, 1], Operations: ['31-8=23', '23/23=1'] Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,44 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,44 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,44 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,44 unequal: No Solution Moving to Node #0,3,2 Current State: 44:[23, 21], Operations: ['31-8=23', '23-2=21'] Exploring Operation: 23*21=483, Resulting Numbers: [483] 483,44 unequal: No Solution Exploring Operation: 23+21=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[8, 2, 31, 23], Operations: [] Exploring Operation: 31-8=23, Resulting Numbers: [2, 23, 23] Generated Node #0,3: 44:[2, 23, 23] Operation: 31-8=23 Moving to Node #0,3 Current State: 44:[2, 23, 23], Operations: ['31-8=23'] Exploring Operation: 23-2=21, Resulting Numbers: [23, 21] Generated Node #0,3,2: 44:[23, 21] Operation: 23-2=21 Moving to Node #0,3,2 Current State: 44:[23, 21], Operations: ['31-8=23', '23-2=21'] Exploring Operation: 23+21=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
mult_heuristic
[ 47, 4, 19, 89 ]
80
[ "47*4=188", "19+89=108", "188-108=80" ]
Current State: 80:[47, 4, 19, 89], Operations: [] Exploring Operation: 47*4=188, Resulting Numbers: [19, 89, 188] Generated Node #2: [19, 89, 188] from Operation: 47*4=188 Current State: 80:[19, 89, 188], Operations: ['47*4=188'] Exploring Operation: 19+89=108, Resulting Numbers: [188, 108] Generated Node #3: [188, 108] from Operation: 19+89=108 Current State: 80:[188, 108], Operations: ['47*4=188', '19+89=108'] Exploring Operation: 188-108=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[47, 4, 19, 89], Operations: [] Exploring Operation: 89-47=42, Resulting Numbers: [4, 19, 42] Generated Node #0,0: 80:[4, 19, 42] Operation: 89-47=42 Exploring Operation: 47-4=43, Resulting Numbers: [19, 89, 43] Generated Node #0,1: 80:[19, 89, 43] Operation: 47-4=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[4, 19, 42], Operations: ['89-47=42'] Exploring Operation: 19-4=15, Resulting Numbers: [42, 15] Generated Node #0,0,0: 80:[42, 15] Operation: 19-4=15 Exploring Operation: 42-4=38, Resulting Numbers: [19, 38] Generated Node #0,0,1: 80:[19, 38] Operation: 42-4=38 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 80:[42, 15], Operations: ['89-47=42', '19-4=15'] Exploring Operation: 42+15=57, Resulting Numbers: [57] 57,80 unequal: No Solution Exploring Operation: 42-15=27, Resulting Numbers: [27] 27,80 unequal: No Solution No 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: 80:[19, 38], Operations: ['89-47=42', '42-4=38'] Exploring Operation: 38/19=2, Resulting Numbers: [2] 2,80 unequal: No Solution Exploring Operation: 38-19=19, Resulting Numbers: [19] 19,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 80:[19, 89, 43], Operations: ['47-4=43'] Exploring Operation: 89-43=46, Resulting Numbers: [19, 46] Generated Node #0,1,0: 80:[19, 46] Operation: 89-43=46 Exploring Operation: 89-19=70, Resulting Numbers: [43, 70] Generated Node #0,1,1: 80:[43, 70] Operation: 89-19=70 Moving to Node #0,1,0 Current State: 80:[19, 46], Operations: ['47-4=43', '89-43=46'] Exploring Operation: 19+46=65, Resulting Numbers: [65] 65,80 unequal: No Solution Exploring Operation: 46-19=27, Resulting Numbers: [27] 27,80 unequal: No Solution Moving to Node #0,1,1 Current State: 80:[43, 70], Operations: ['47-4=43', '89-19=70'] Exploring Operation: 43+70=113, Resulting Numbers: [113] 113,80 unequal: No Solution Exploring Operation: 70-43=27, Resulting Numbers: [27] 27,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 89, 64, 8, 1 ]
81
[ "89*1=89", "64/8=8", "89-8=81" ]
Current State: 81:[89, 64, 8, 1], Operations: [] Exploring Operation: 89*1=89, Resulting Numbers: [64, 8, 89] Generated Node #2: [64, 8, 89] from Operation: 89*1=89 Current State: 81:[64, 8, 89], Operations: ['89*1=89'] Exploring Operation: 64/8=8, Resulting Numbers: [89, 8] Generated Node #3: [89, 8] from Operation: 64/8=8 Current State: 81:[89, 8], Operations: ['89*1=89', '64/8=8'] Exploring Operation: 89-8=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[89, 64, 8, 1], Operations: [] Exploring Operation: 89-64=25, Resulting Numbers: [8, 1, 25] Generated Node #0,0: 81:[8, 1, 25] Operation: 89-64=25 Moving to Node #0,0 Current State: 81:[8, 1, 25], Operations: ['89-64=25'] Exploring Operation: 8+1=9, Resulting Numbers: [25, 9] Generated Node #0,0,0: 81:[25, 9] Operation: 8+1=9 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 81:[25, 9], Operations: ['89-64=25', '8+1=9'] Exploring Operation: 25+9=34, Resulting Numbers: [34] 34,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 84, 72, 12, 90 ]
91
[ "84-72=12", "12/12=1", "90+1=91" ]
Current State: 91:[84, 72, 12, 90], Operations: [] Exploring Operation: 84-72=12, Resulting Numbers: [12, 90, 12] Generated Node #2: [12, 90, 12] from Operation: 84-72=12 Current State: 91:[12, 90, 12], Operations: ['84-72=12'] Exploring Operation: 12/12=1, Resulting Numbers: [90, 1] Generated Node #3: [90, 1] from Operation: 12/12=1 Current State: 91:[90, 1], Operations: ['84-72=12', '12/12=1'] Exploring Operation: 90+1=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[84, 72, 12, 90], Operations: [] Exploring Operation: 72/12=6, Resulting Numbers: [84, 90, 6] Generated Node #0,0: 91:[84, 90, 6] Operation: 72/12=6 Exploring Operation: 84/12=7, Resulting Numbers: [72, 90, 7] Generated Node #0,1: 91:[72, 90, 7] Operation: 84/12=7 Exploring Operation: 72+12=84, Resulting Numbers: [84, 90, 84] Generated Node #0,2: 91:[84, 90, 84] Operation: 72+12=84 Exploring Operation: 84-72=12, Resulting Numbers: [12, 90, 12] Generated Node #0,3: 91:[12, 90, 12] Operation: 84-72=12 Exploring Operation: 90-72=18, Resulting Numbers: [84, 12, 18] Generated Node #0,4: 91:[84, 12, 18] Operation: 90-72=18 Moving to Node #0,3 Current State: 91:[12, 90, 12], Operations: ['84-72=12'] Exploring Operation: 12+12=24, Resulting Numbers: [90, 24] Generated Node #0,3,0: 91:[90, 24] Operation: 12+12=24 Exploring Operation: 12-12=0, Resulting Numbers: [90, 0] Generated Node #0,3,1: 91:[90, 0] Operation: 12-12=0 Exploring Operation: 12+90=102, Resulting Numbers: [12, 102] Generated Node #0,3,2: 91:[12, 102] Operation: 12+90=102 Exploring Operation: 12/12=1, Resulting Numbers: [90, 1] Generated Node #0,3,3: 91:[90, 1] Operation: 12/12=1 Exploring Operation: 90+12=102, Resulting Numbers: [12, 102] Generated Node #0,3,4: 91:[12, 102] Operation: 90+12=102 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 91:[90, 1], Operations: ['84-72=12', '12/12=1'] Exploring Operation: 90*1=90, Resulting Numbers: [90] 90,91 unequal: No Solution Exploring Operation: 90-1=89, Resulting Numbers: [89] 89,91 unequal: No Solution Exploring Operation: 90+1=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[84, 72, 12, 90], Operations: [] Exploring Operation: 84-72=12, Resulting Numbers: [12, 90, 12] Generated Node #0,3: 91:[12, 90, 12] Operation: 84-72=12 Moving to Node #0,3 Current State: 91:[12, 90, 12], Operations: ['84-72=12'] Exploring Operation: 12/12=1, Resulting Numbers: [90, 1] Generated Node #0,3,3: 91:[90, 1] Operation: 12/12=1 Moving to Node #0,3,3 Current State: 91:[90, 1], Operations: ['84-72=12', '12/12=1'] Exploring Operation: 90+1=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 75, 9, 71, 53 ]
73
[ "71-53=18", "18/9=2", "75-2=73" ]
Current State: 73:[75, 9, 71, 53], Operations: [] Exploring Operation: 71-53=18, Resulting Numbers: [75, 9, 18] Generated Node #2: [75, 9, 18] from Operation: 71-53=18 Current State: 73:[75, 9, 18], Operations: ['71-53=18'] Exploring Operation: 18/9=2, Resulting Numbers: [75, 2] Generated Node #3: [75, 2] from Operation: 18/9=2 Current State: 73:[75, 2], Operations: ['71-53=18', '18/9=2'] Exploring Operation: 75-2=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[75, 9, 71, 53], Operations: [] Exploring Operation: 9+53=62, Resulting Numbers: [75, 71, 62] Generated Node #0,0: 73:[75, 71, 62] Operation: 9+53=62 Exploring Operation: 75-9=66, Resulting Numbers: [71, 53, 66] Generated Node #0,1: 73:[71, 53, 66] Operation: 75-9=66 Exploring Operation: 9+71=80, Resulting Numbers: [75, 53, 80] Generated Node #0,2: 73:[75, 53, 80] Operation: 9+71=80 Exploring Operation: 75+9=84, Resulting Numbers: [71, 53, 84] Generated Node #0,3: 73:[71, 53, 84] Operation: 75+9=84 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[75, 71, 62], Operations: ['9+53=62'] Exploring Operation: 71+62=133, Resulting Numbers: [75, 133] Generated Node #0,0,0: 73:[75, 133] Operation: 71+62=133 Exploring Operation: 75+62=137, Resulting Numbers: [71, 137] Generated Node #0,0,1: 73:[71, 137] Operation: 75+62=137 Exploring Operation: 75-62=13, Resulting Numbers: [71, 13] Generated Node #0,0,2: 73:[71, 13] Operation: 75-62=13 Exploring Operation: 71-62=9, Resulting Numbers: [75, 9] Generated Node #0,0,3: 73:[75, 9] Operation: 71-62=9 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 73:[75, 133], Operations: ['9+53=62', '71+62=133'] Exploring Operation: 75*133=9975, Resulting Numbers: [9975] 9975,73 unequal: No Solution Exploring Operation: 133-75=58, Resulting Numbers: [58] 58,73 unequal: No Solution Exploring Operation: 75+133=208, Resulting Numbers: [208] 208,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 73:[71, 13], Operations: ['9+53=62', '75-62=13'] Exploring Operation: 71*13=923, Resulting Numbers: [923] 923,73 unequal: No Solution Exploring Operation: 71-13=58, Resulting Numbers: [58] 58,73 unequal: No Solution Exploring Operation: 71+13=84, Resulting Numbers: [84] 84,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 73:[71, 137], Operations: ['9+53=62', '75+62=137'] Exploring Operation: 71*137=9727, Resulting Numbers: [9727] 9727,73 unequal: No Solution Exploring Operation: 137-71=66, Resulting Numbers: [66] 66,73 unequal: No Solution Exploring Operation: 71+137=208, Resulting Numbers: [208] 208,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 73:[75, 9], Operations: ['9+53=62', '71-62=9'] Exploring Operation: 75*9=675, Resulting Numbers: [675] 675,73 unequal: No Solution Exploring Operation: 75+9=84, Resulting Numbers: [84] 84,73 unequal: No Solution Exploring Operation: 75-9=66, Resulting Numbers: [66] 66,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 73:[71, 53, 66], Operations: ['75-9=66'] Exploring Operation: 53+66=119, Resulting Numbers: [71, 119] Generated Node #0,1,0: 73:[71, 119] Operation: 53+66=119 Exploring Operation: 66-53=13, Resulting Numbers: [71, 13] Generated Node #0,1,1: 73:[71, 13] Operation: 66-53=13 Exploring Operation: 71+53=124, Resulting Numbers: [66, 124] Generated Node #0,1,2: 73:[66, 124] Operation: 71+53=124 Exploring Operation: 71-53=18, Resulting Numbers: [66, 18] Generated Node #0,1,3: 73:[66, 18] Operation: 71-53=18 Moving to Node #0,1,0 Current State: 73:[71, 119], Operations: ['75-9=66', '53+66=119'] Exploring Operation: 71*119=8449, Resulting Numbers: [8449] 8449,73 unequal: No Solution Exploring Operation: 119-71=48, Resulting Numbers: [48] 48,73 unequal: No Solution Exploring Operation: 71+119=190, Resulting Numbers: [190] 190,73 unequal: No Solution Moving to Node #0,1,2 Current State: 73:[66, 124], Operations: ['75-9=66', '71+53=124'] Exploring Operation: 66+124=190, Resulting Numbers: [190] 190,73 unequal: No Solution Exploring Operation: 124-66=58, Resulting Numbers: [58] 58,73 unequal: No Solution Exploring Operation: 66*124=8184, Resulting Numbers: [8184] 8184,73 unequal: No Solution Moving to Node #0,1,3 Current State: 73:[66, 18], Operations: ['75-9=66', '71-53=18'] Exploring Operation: 66+18=84, Resulting Numbers: [84] 84,73 unequal: No Solution Exploring Operation: 66-18=48, Resulting Numbers: [48] 48,73 unequal: No Solution Exploring Operation: 66*18=1188, Resulting Numbers: [1188] 1188,73 unequal: No Solution Moving to Node #0,1,1 Current State: 73:[71, 13], Operations: ['75-9=66', '66-53=13'] Exploring Operation: 71+13=84, Resulting Numbers: [84] 84,73 unequal: No Solution Exploring Operation: 71-13=58, Resulting Numbers: [58] 58,73 unequal: No Solution Exploring Operation: 71*13=923, Resulting Numbers: [923] 923,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 73:[75, 53, 80], Operations: ['9+71=80'] Exploring Operation: 75+53=128, Resulting Numbers: [80, 128] Generated Node #0,2,0: 73:[80, 128] Operation: 75+53=128 Exploring Operation: 75-53=22, Resulting Numbers: [80, 22] Generated Node #0,2,1: 73:[80, 22] Operation: 75-53=22 Exploring Operation: 53+80=133, Resulting Numbers: [75, 133] Generated Node #0,2,2: 73:[75, 133] Operation: 53+80=133 Exploring Operation: 80-53=27, Resulting Numbers: [75, 27] Generated Node #0,2,3: 73:[75, 27] Operation: 80-53=27 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 73:[75, 27], Operations: ['9+71=80', '80-53=27'] Exploring Operation: 75*27=2025, Resulting Numbers: [2025] 2025,73 unequal: No Solution Exploring Operation: 75+27=102, Resulting Numbers: [102] 102,73 unequal: No Solution Exploring Operation: 75-27=48, Resulting Numbers: [48] 48,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 73:[80, 22], Operations: ['9+71=80', '75-53=22'] Exploring Operation: 80-22=58, Resulting Numbers: [58] 58,73 unequal: No Solution Exploring Operation: 80*22=1760, Resulting Numbers: [1760] 1760,73 unequal: No Solution Exploring Operation: 80+22=102, Resulting Numbers: [102] 102,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 73:[80, 128], Operations: ['9+71=80', '75+53=128'] Exploring Operation: 80+128=208, Resulting Numbers: [208] 208,73 unequal: No Solution Exploring Operation: 80*128=10240, Resulting Numbers: [10240] 10240,73 unequal: No Solution Exploring Operation: 128-80=48, Resulting Numbers: [48] 48,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 73:[75, 133], Operations: ['9+71=80', '53+80=133'] Exploring Operation: 75+133=208, Resulting Numbers: [208] 208,73 unequal: No Solution Exploring Operation: 75*133=9975, Resulting Numbers: [9975] 9975,73 unequal: No Solution Exploring Operation: 133-75=58, Resulting Numbers: [58] 58,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 73:[71, 53, 84], Operations: ['75+9=84'] Exploring Operation: 71+53=124, Resulting Numbers: [84, 124] Generated Node #0,3,0: 73:[84, 124] Operation: 71+53=124 Exploring Operation: 53+84=137, Resulting Numbers: [71, 137] Generated Node #0,3,1: 73:[71, 137] Operation: 53+84=137 Exploring Operation: 84-53=31, Resulting Numbers: [71, 31] Generated Node #0,3,2: 73:[71, 31] Operation: 84-53=31 Exploring Operation: 71-53=18, Resulting Numbers: [84, 18] Generated Node #0,3,3: 73:[84, 18] Operation: 71-53=18 Moving to Node #0,3,2 Current State: 73:[71, 31], Operations: ['75+9=84', '84-53=31'] Exploring Operation: 71-31=40, Resulting Numbers: [40] 40,73 unequal: No Solution Exploring Operation: 71*31=2201, Resulting Numbers: [2201] 2201,73 unequal: No Solution Exploring Operation: 71+31=102, Resulting Numbers: [102] 102,73 unequal: No Solution Moving to Node #0,3,0 Current State: 73:[84, 124], Operations: ['75+9=84', '71+53=124'] Exploring Operation: 84*124=10416, Resulting Numbers: [10416] 10416,73 unequal: No Solution Exploring Operation: 84+124=208, Resulting Numbers: [208] 208,73 unequal: No Solution Exploring Operation: 124-84=40, Resulting Numbers: [40] 40,73 unequal: No Solution Moving to Node #0,3,3 Current State: 73:[84, 18], Operations: ['75+9=84', '71-53=18'] Exploring Operation: 84-18=66, Resulting Numbers: [66] 66,73 unequal: No Solution Exploring Operation: 84+18=102, Resulting Numbers: [102] 102,73 unequal: No Solution Exploring Operation: 84*18=1512, Resulting Numbers: [1512] 1512,73 unequal: No Solution Moving to Node #0,3,1 Current State: 73:[71, 137], Operations: ['75+9=84', '53+84=137'] Exploring Operation: 71+137=208, Resulting Numbers: [208] 208,73 unequal: No Solution Exploring Operation: 137-71=66, Resulting Numbers: [66] 66,73 unequal: No Solution Exploring Operation: 71*137=9727, Resulting Numbers: [9727] 9727,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 32, 17, 7, 6 ]
63
[ "32-17=15", "15-6=9", "7*9=63" ]
Current State: 63:[32, 17, 7, 6], Operations: [] Exploring Operation: 32-17=15, Resulting Numbers: [7, 6, 15] Generated Node #2: [7, 6, 15] from Operation: 32-17=15 Current State: 63:[7, 6, 15], Operations: ['32-17=15'] Exploring Operation: 15-6=9, Resulting Numbers: [7, 9] Generated Node #3: [7, 9] from Operation: 15-6=9 Current State: 63:[7, 9], Operations: ['32-17=15', '15-6=9'] Exploring Operation: 7*9=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[32, 17, 7, 6], Operations: [] Exploring Operation: 32-7=25, Resulting Numbers: [17, 6, 25] Generated Node #0,0: 63:[17, 6, 25] Operation: 32-7=25 Exploring Operation: 32-17=15, Resulting Numbers: [7, 6, 15] Generated Node #0,1: 63:[7, 6, 15] Operation: 32-17=15 Exploring Operation: 32-6=26, Resulting Numbers: [17, 7, 26] Generated Node #0,2: 63:[17, 7, 26] Operation: 32-6=26 Moving to Node #0,1 Current State: 63:[7, 6, 15], Operations: ['32-17=15'] Exploring Operation: 6+15=21, Resulting Numbers: [7, 21] Generated Node #0,1,0: 63:[7, 21] Operation: 6+15=21 Exploring Operation: 15-6=9, Resulting Numbers: [7, 9] Generated Node #0,1,1: 63:[7, 9] Operation: 15-6=9 Exploring Operation: 7+15=22, Resulting Numbers: [6, 22] Generated Node #0,1,2: 63:[6, 22] Operation: 7+15=22 Moving to Node #0,0 Current State: 63:[17, 6, 25], Operations: ['32-7=25'] Exploring Operation: 25-17=8, Resulting Numbers: [6, 8] Generated Node #0,0,0: 63:[6, 8] Operation: 25-17=8 Exploring Operation: 17+6=23, Resulting Numbers: [25, 23] Generated Node #0,0,1: 63:[25, 23] Operation: 17+6=23 Exploring Operation: 17-6=11, Resulting Numbers: [25, 11] Generated Node #0,0,2: 63:[25, 11] Operation: 17-6=11 Moving to Node #0,2 Current State: 63:[17, 7, 26], Operations: ['32-6=26'] Exploring Operation: 26-17=9, Resulting Numbers: [7, 9] Generated Node #0,2,0: 63:[7, 9] Operation: 26-17=9 Exploring Operation: 17-7=10, Resulting Numbers: [26, 10] Generated Node #0,2,1: 63:[26, 10] Operation: 17-7=10 Exploring Operation: 26-7=19, Resulting Numbers: [17, 19] Generated Node #0,2,2: 63:[17, 19] Operation: 26-7=19 Moving to Node #0,1,0 Current State: 63:[7, 21], Operations: ['32-17=15', '6+15=21'] Exploring Operation: 21-7=14, Resulting Numbers: [14] 14,63 unequal: No Solution Exploring Operation: 7+21=28, Resulting Numbers: [28] 28,63 unequal: No Solution Exploring Operation: 21/7=3, Resulting Numbers: [3] 3,63 unequal: No Solution Moving to Node #0,2,0 Current State: 63:[7, 9], Operations: ['32-6=26', '26-17=9'] Exploring Operation: 7*9=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[32, 17, 7, 6], Operations: [] Exploring Operation: 32-6=26, Resulting Numbers: [17, 7, 26] Generated Node #0,2: 63:[17, 7, 26] Operation: 32-6=26 Moving to Node #0,2 Current State: 63:[17, 7, 26], Operations: ['32-6=26'] Exploring Operation: 26-17=9, Resulting Numbers: [7, 9] Generated Node #0,2,0: 63:[7, 9] Operation: 26-17=9 Moving to Node #0,2,0 Current State: 63:[7, 9], Operations: ['32-6=26', '26-17=9'] Exploring Operation: 7*9=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
0.982639
hs_3
mult_heuristic
[ 5, 2, 21, 7 ]
27
[ "5+7=12", "12/2=6", "21+6=27" ]
Current State: 27:[5, 2, 21, 7], Operations: [] Exploring Operation: 5+7=12, Resulting Numbers: [2, 21, 12] Generated Node #2: [2, 21, 12] from Operation: 5+7=12 Current State: 27:[2, 21, 12], Operations: ['5+7=12'] Exploring Operation: 12/2=6, Resulting Numbers: [21, 6] Generated Node #3: [21, 6] from Operation: 12/2=6 Current State: 27:[21, 6], Operations: ['5+7=12', '12/2=6'] Exploring Operation: 21+6=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[5, 2, 21, 7], Operations: [] Exploring Operation: 21/7=3, Resulting Numbers: [5, 2, 3] Generated Node #0,0: 27:[5, 2, 3] Operation: 21/7=3 Exploring Operation: 21+7=28, Resulting Numbers: [5, 2, 28] Generated Node #0,1: 27:[5, 2, 28] Operation: 21+7=28 Exploring Operation: 5+21=26, Resulting Numbers: [2, 7, 26] Generated Node #0,2: 27:[2, 7, 26] Operation: 5+21=26 Moving to Node #0,0 Current State: 27:[5, 2, 3], Operations: ['21/7=3'] Exploring Operation: 5+2=7, Resulting Numbers: [3, 7] Generated Node #0,0,0: 27:[3, 7] Operation: 5+2=7 Exploring Operation: 5*2=10, Resulting Numbers: [3, 10] Generated Node #0,0,1: 27:[3, 10] Operation: 5*2=10 Exploring Operation: 5-2=3, Resulting Numbers: [3, 3] Generated Node #0,0,2: 27:[3, 3] Operation: 5-2=3 Moving to Node #0,1 Current State: 27:[5, 2, 28], Operations: ['21+7=28'] Exploring Operation: 5+2=7, Resulting Numbers: [28, 7] Generated Node #0,1,0: 27:[28, 7] Operation: 5+2=7 Exploring Operation: 5-2=3, Resulting Numbers: [28, 3] Generated Node #0,1,1: 27:[28, 3] Operation: 5-2=3 Exploring Operation: 5*2=10, Resulting Numbers: [28, 10] Generated Node #0,1,2: 27:[28, 10] Operation: 5*2=10 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 27:[28, 3], Operations: ['21+7=28', '5-2=3'] Exploring Operation: 28*3=84, Resulting Numbers: [84] 84,27 unequal: No Solution Exploring Operation: 28+3=31, Resulting Numbers: [31] 31,27 unequal: No Solution Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,27 unequal: No Solution No 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: 27:[28, 10], Operations: ['21+7=28', '5*2=10'] Exploring Operation: 28+10=38, Resulting Numbers: [38] 38,27 unequal: No Solution Exploring Operation: 28-10=18, Resulting Numbers: [18] 18,27 unequal: No Solution Exploring Operation: 28*10=280, Resulting Numbers: [280] 280,27 unequal: No Solution No 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: 27:[28, 7], Operations: ['21+7=28', '5+2=7'] Exploring Operation: 28/7=4, Resulting Numbers: [4] 4,27 unequal: No Solution Exploring Operation: 28-7=21, Resulting Numbers: [21] 21,27 unequal: No Solution Exploring Operation: 28+7=35, Resulting Numbers: [35] 35,27 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: 27:[2, 7, 26], Operations: ['5+21=26'] Exploring Operation: 2+26=28, Resulting Numbers: [7, 28] Generated Node #0,2,0: 27:[7, 28] Operation: 2+26=28 Exploring Operation: 2+7=9, Resulting Numbers: [26, 9] Generated Node #0,2,1: 27:[26, 9] Operation: 2+7=9 Exploring Operation: 7-2=5, Resulting Numbers: [26, 5] Generated Node #0,2,2: 27:[26, 5] Operation: 7-2=5 Moving to Node #0,0,2 Current State: 27:[3, 3], Operations: ['21/7=3', '5-2=3'] Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,27 unequal: No Solution Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,27 unequal: No Solution Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,27 unequal: No Solution Moving to Node #0,0,1 Current State: 27:[3, 10], Operations: ['21/7=3', '5*2=10'] Exploring Operation: 3*10=30, Resulting Numbers: [30] 30,27 unequal: No Solution Exploring Operation: 3+10=13, Resulting Numbers: [13] 13,27 unequal: No Solution Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,27 unequal: No Solution Moving to Node #0,2,1 Current State: 27:[26, 9], Operations: ['5+21=26', '2+7=9'] Exploring Operation: 26-9=17, Resulting Numbers: [17] 17,27 unequal: No Solution Exploring Operation: 26+9=35, Resulting Numbers: [35] 35,27 unequal: No Solution Exploring Operation: 26*9=234, Resulting Numbers: [234] 234,27 unequal: No Solution Moving to Node #0,0,0 Current State: 27:[3, 7], Operations: ['21/7=3', '5+2=7'] Exploring Operation: 3*7=21, Resulting Numbers: [21] 21,27 unequal: No Solution Exploring Operation: 3+7=10, Resulting Numbers: [10] 10,27 unequal: No Solution Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,27 unequal: No Solution Moving to Node #0,2,2 Current State: 27:[26, 5], Operations: ['5+21=26', '7-2=5'] Exploring Operation: 26*5=130, Resulting Numbers: [130] 130,27 unequal: No Solution Exploring Operation: 26-5=21, Resulting Numbers: [21] 21,27 unequal: No Solution Exploring Operation: 26+5=31, Resulting Numbers: [31] 31,27 unequal: No Solution Moving to Node #0,2,0 Current State: 27:[7, 28], Operations: ['5+21=26', '2+26=28'] Exploring Operation: 28/7=4, Resulting Numbers: [4] 4,27 unequal: No Solution Exploring Operation: 28-7=21, Resulting Numbers: [21] 21,27 unequal: No Solution Exploring Operation: 7+28=35, Resulting Numbers: [35] 35,27 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 64, 72, 43, 11 ]
48
[ "43+11=54", "64*54=3456", "3456/72=48" ]
Current State: 48:[64, 72, 43, 11], Operations: [] Exploring Operation: 43+11=54, Resulting Numbers: [64, 72, 54] Generated Node #2: [64, 72, 54] from Operation: 43+11=54 Current State: 48:[64, 72, 54], Operations: ['43+11=54'] Exploring Operation: 64*54=3456, Resulting Numbers: [72, 3456] Generated Node #3: [72, 3456] from Operation: 64*54=3456 Current State: 48:[72, 3456], Operations: ['43+11=54', '64*54=3456'] Exploring Operation: 3456/72=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[64, 72, 43, 11], Operations: [] Exploring Operation: 64-43=21, Resulting Numbers: [72, 11, 21] Generated Node #0,0: 48:[72, 11, 21] Operation: 64-43=21 Exploring Operation: 72-64=8, Resulting Numbers: [43, 11, 8] Generated Node #0,1: 48:[43, 11, 8] Operation: 72-64=8 Exploring Operation: 72-43=29, Resulting Numbers: [64, 11, 29] Generated Node #0,2: 48:[64, 11, 29] Operation: 72-43=29 Exploring Operation: 64-11=53, Resulting Numbers: [72, 43, 53] Generated Node #0,3: 48:[72, 43, 53] Operation: 64-11=53 Start Sub Search at level 1: Moving to Node #0,1 Current State: 48:[43, 11, 8], Operations: ['72-64=8'] Exploring Operation: 43-11=32, Resulting Numbers: [8, 32] Generated Node #0,1,0: 48:[8, 32] Operation: 43-11=32 Exploring Operation: 43+11=54, Resulting Numbers: [8, 54] Generated Node #0,1,1: 48:[8, 54] Operation: 43+11=54 Exploring Operation: 11-8=3, Resulting Numbers: [43, 3] Generated Node #0,1,2: 48:[43, 3] Operation: 11-8=3 Exploring Operation: 43+8=51, Resulting Numbers: [11, 51] Generated Node #0,1,3: 48:[11, 51] Operation: 43+8=51 Moving to Node #0,1,3 Current State: 48:[11, 51], Operations: ['72-64=8', '43+8=51'] Exploring Operation: 11+51=62, Resulting Numbers: [62] 62,48 unequal: No Solution Exploring Operation: 11*51=561, Resulting Numbers: [561] 561,48 unequal: No Solution Exploring Operation: 51-11=40, Resulting Numbers: [40] 40,48 unequal: No Solution Moving to Node #0,1,2 Current State: 48:[43, 3], Operations: ['72-64=8', '11-8=3'] Exploring Operation: 43+3=46, Resulting Numbers: [46] 46,48 unequal: No Solution Exploring Operation: 43*3=129, Resulting Numbers: [129] 129,48 unequal: No Solution Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,48 unequal: No Solution Moving to Node #0,1,1 Current State: 48:[8, 54], Operations: ['72-64=8', '43+11=54'] Exploring Operation: 54-8=46, Resulting Numbers: [46] 46,48 unequal: No Solution Exploring Operation: 8+54=62, Resulting Numbers: [62] 62,48 unequal: No Solution Exploring Operation: 8*54=432, Resulting Numbers: [432] 432,48 unequal: No Solution Moving to Node #0,1,0 Current State: 48:[8, 32], Operations: ['72-64=8', '43-11=32'] Exploring Operation: 8*32=256, Resulting Numbers: [256] 256,48 unequal: No Solution Exploring Operation: 32/8=4, Resulting Numbers: [4] 4,48 unequal: No Solution Exploring Operation: 8+32=40, Resulting Numbers: [40] 40,48 unequal: No Solution Exploring Operation: 32-8=24, Resulting Numbers: [24] 24,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 48:[64, 11, 29], Operations: ['72-43=29'] Exploring Operation: 11+29=40, Resulting Numbers: [64, 40] Generated Node #0,2,0: 48:[64, 40] Operation: 11+29=40 Exploring Operation: 64-29=35, Resulting Numbers: [11, 35] Generated Node #0,2,1: 48:[11, 35] Operation: 64-29=35 Exploring Operation: 29-11=18, Resulting Numbers: [64, 18] Generated Node #0,2,2: 48:[64, 18] Operation: 29-11=18 Exploring Operation: 64-11=53, Resulting Numbers: [29, 53] Generated Node #0,2,3: 48:[29, 53] Operation: 64-11=53 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 48:[29, 53], Operations: ['72-43=29', '64-11=53'] Exploring Operation: 29+53=82, Resulting Numbers: [82] 82,48 unequal: No Solution Exploring Operation: 53-29=24, Resulting Numbers: [24] 24,48 unequal: No Solution Exploring Operation: 29*53=1537, Resulting Numbers: [1537] 1537,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 48:[11, 35], Operations: ['72-43=29', '64-29=35'] Exploring Operation: 11+35=46, Resulting Numbers: [46] 46,48 unequal: No Solution Exploring Operation: 11*35=385, Resulting Numbers: [385] 385,48 unequal: No Solution Exploring Operation: 35-11=24, Resulting Numbers: [24] 24,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 48:[64, 18], Operations: ['72-43=29', '29-11=18'] Exploring Operation: 64-18=46, Resulting Numbers: [46] 46,48 unequal: No Solution Exploring Operation: 64*18=1152, Resulting Numbers: [1152] 1152,48 unequal: No Solution Exploring Operation: 64+18=82, Resulting Numbers: [82] 82,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 48:[64, 40], Operations: ['72-43=29', '11+29=40'] Exploring Operation: 64-40=24, Resulting Numbers: [24] 24,48 unequal: No Solution Exploring Operation: 64*40=2560, Resulting Numbers: [2560] 2560,48 unequal: No Solution Exploring Operation: 64+40=104, Resulting Numbers: [104] 104,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 48:[72, 11, 21], Operations: ['64-43=21'] Exploring Operation: 11+21=32, Resulting Numbers: [72, 32] Generated Node #0,0,0: 48:[72, 32] Operation: 11+21=32 Exploring Operation: 72-11=61, Resulting Numbers: [21, 61] Generated Node #0,0,1: 48:[21, 61] Operation: 72-11=61 Exploring Operation: 72-21=51, Resulting Numbers: [11, 51] Generated Node #0,0,2: 48:[11, 51] Operation: 72-21=51 Exploring Operation: 21-11=10, Resulting Numbers: [72, 10] Generated Node #0,0,3: 48:[72, 10] Operation: 21-11=10 Moving to Node #0,0,2 Current State: 48:[11, 51], Operations: ['64-43=21', '72-21=51'] Exploring Operation: 51-11=40, Resulting Numbers: [40] 40,48 unequal: No Solution Exploring Operation: 11+51=62, Resulting Numbers: [62] 62,48 unequal: No Solution Exploring Operation: 11*51=561, Resulting Numbers: [561] 561,48 unequal: No Solution Moving to Node #0,0,1 Current State: 48:[21, 61], Operations: ['64-43=21', '72-11=61'] Exploring Operation: 61-21=40, Resulting Numbers: [40] 40,48 unequal: No Solution Exploring Operation: 21+61=82, Resulting Numbers: [82] 82,48 unequal: No Solution Exploring Operation: 21*61=1281, Resulting Numbers: [1281] 1281,48 unequal: No Solution Moving to Node #0,0,3 Current State: 48:[72, 10], Operations: ['64-43=21', '21-11=10'] Exploring Operation: 72-10=62, Resulting Numbers: [62] 62,48 unequal: No Solution Exploring Operation: 72+10=82, Resulting Numbers: [82] 82,48 unequal: No Solution Exploring Operation: 72*10=720, Resulting Numbers: [720] 720,48 unequal: No Solution Moving to Node #0,0,0 Current State: 48:[72, 32], Operations: ['64-43=21', '11+21=32'] Exploring Operation: 72-32=40, Resulting Numbers: [40] 40,48 unequal: No Solution Exploring Operation: 72*32=2304, Resulting Numbers: [2304] 2304,48 unequal: No Solution Exploring Operation: 72+32=104, Resulting Numbers: [104] 104,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 48:[72, 43, 53], Operations: ['64-11=53'] Exploring Operation: 53-43=10, Resulting Numbers: [72, 10] Generated Node #0,3,0: 48:[72, 10] Operation: 53-43=10 Exploring Operation: 72-53=19, Resulting Numbers: [43, 19] Generated Node #0,3,1: 48:[43, 19] Operation: 72-53=19 Exploring Operation: 72+43=115, Resulting Numbers: [53, 115] Generated Node #0,3,2: 48:[53, 115] Operation: 72+43=115 Exploring Operation: 72-43=29, Resulting Numbers: [53, 29] Generated Node #0,3,3: 48:[53, 29] Operation: 72-43=29 Moving to Node #0,3,1 Current State: 48:[43, 19], Operations: ['64-11=53', '72-53=19'] Exploring Operation: 43-19=24, Resulting Numbers: [24] 24,48 unequal: No Solution Exploring Operation: 43+19=62, Resulting Numbers: [62] 62,48 unequal: No Solution Exploring Operation: 43*19=817, Resulting Numbers: [817] 817,48 unequal: No Solution Moving to Node #0,3,3 Current State: 48:[53, 29], Operations: ['64-11=53', '72-43=29'] Exploring Operation: 53+29=82, Resulting Numbers: [82] 82,48 unequal: No Solution Exploring Operation: 53*29=1537, Resulting Numbers: [1537] 1537,48 unequal: No Solution Exploring Operation: 53-29=24, Resulting Numbers: [24] 24,48 unequal: No Solution Moving to Node #0,3,0 Current State: 48:[72, 10], Operations: ['64-11=53', '53-43=10'] Exploring Operation: 72+10=82, Resulting Numbers: [82] 82,48 unequal: No Solution Exploring Operation: 72*10=720, Resulting Numbers: [720] 720,48 unequal: No Solution Exploring Operation: 72-10=62, Resulting Numbers: [62] 62,48 unequal: No Solution Moving to Node #0,3,2 Current State: 48:[53, 115], Operations: ['64-11=53', '72+43=115'] Exploring Operation: 115-53=62, Resulting Numbers: [62] 62,48 unequal: No Solution Exploring Operation: 53+115=168, Resulting Numbers: [168] 168,48 unequal: No Solution Exploring Operation: 53*115=6095, Resulting Numbers: [6095] 6095,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 57, 64, 69, 67 ]
71
[ "69-67=2", "64*2=128", "128-57=71" ]
Current State: 71:[57, 64, 69, 67], Operations: [] Exploring Operation: 69-67=2, Resulting Numbers: [57, 64, 2] Generated Node #2: [57, 64, 2] from Operation: 69-67=2 Current State: 71:[57, 64, 2], Operations: ['69-67=2'] Exploring Operation: 64*2=128, Resulting Numbers: [57, 128] Generated Node #3: [57, 128] from Operation: 64*2=128 Current State: 71:[57, 128], Operations: ['69-67=2', '64*2=128'] Exploring Operation: 128-57=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[57, 64, 69, 67], Operations: [] Exploring Operation: 57+69=126, Resulting Numbers: [64, 67, 126] Generated Node #0,0: 71:[64, 67, 126] Operation: 57+69=126 Exploring Operation: 57+67=124, Resulting Numbers: [64, 69, 124] Generated Node #0,1: 71:[64, 69, 124] Operation: 57+67=124 Exploring Operation: 57+64=121, Resulting Numbers: [69, 67, 121] Generated Node #0,2: 71:[69, 67, 121] Operation: 57+64=121 Moving to Node #0,2 Current State: 71:[69, 67, 121], Operations: ['57+64=121'] Exploring Operation: 121-67=54, Resulting Numbers: [69, 54] Generated Node #0,2,0: 71:[69, 54] Operation: 121-67=54 Exploring Operation: 121-69=52, Resulting Numbers: [67, 52] Generated Node #0,2,1: 71:[67, 52] Operation: 121-69=52 Exploring Operation: 69+67=136, Resulting Numbers: [121, 136] Generated Node #0,2,2: 71:[121, 136] Operation: 69+67=136 Moving to Node #0,1 Current State: 71:[64, 69, 124], Operations: ['57+67=124'] Exploring Operation: 124-64=60, Resulting Numbers: [69, 60] Generated Node #0,1,0: 71:[69, 60] Operation: 124-64=60 Exploring Operation: 64+69=133, Resulting Numbers: [124, 133] Generated Node #0,1,1: 71:[124, 133] Operation: 64+69=133 Exploring Operation: 124-69=55, Resulting Numbers: [64, 55] Generated Node #0,1,2: 71:[64, 55] Operation: 124-69=55 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 71:[69, 60], Operations: ['57+67=124', '124-64=60'] Exploring Operation: 69*60=4140, Resulting Numbers: [4140] 4140,71 unequal: No Solution Exploring Operation: 69-60=9, Resulting Numbers: [9] 9,71 unequal: No Solution Exploring Operation: 69+60=129, Resulting Numbers: [129] 129,71 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 #0,1,2 Current State: 71:[64, 55], Operations: ['57+67=124', '124-69=55'] Exploring Operation: 64+55=119, Resulting Numbers: [119] 119,71 unequal: No Solution Exploring Operation: 64-55=9, Resulting Numbers: [9] 9,71 unequal: No Solution Exploring Operation: 64*55=3520, Resulting Numbers: [3520] 3520,71 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 #0,1,1 Current State: 71:[124, 133], Operations: ['57+67=124', '64+69=133'] Exploring Operation: 124*133=16492, Resulting Numbers: [16492] 16492,71 unequal: No Solution Exploring Operation: 124+133=257, Resulting Numbers: [257] 257,71 unequal: No Solution Exploring Operation: 133-124=9, Resulting Numbers: [9] 9,71 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: 71:[64, 67, 126], Operations: ['57+69=126'] Exploring Operation: 126-64=62, Resulting Numbers: [67, 62] Generated Node #0,0,0: 71:[67, 62] Operation: 126-64=62 Exploring Operation: 64+67=131, Resulting Numbers: [126, 131] Generated Node #0,0,1: 71:[126, 131] Operation: 64+67=131 Exploring Operation: 126-67=59, Resulting Numbers: [64, 59] Generated Node #0,0,2: 71:[64, 59] Operation: 126-67=59 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 71:[67, 62], Operations: ['57+69=126', '126-64=62'] Exploring Operation: 67+62=129, Resulting Numbers: [129] 129,71 unequal: No Solution Exploring Operation: 67*62=4154, Resulting Numbers: [4154] 4154,71 unequal: No Solution Exploring Operation: 67-62=5, Resulting Numbers: [5] 5,71 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 #0,0,2 Current State: 71:[64, 59], Operations: ['57+69=126', '126-67=59'] Exploring Operation: 64*59=3776, Resulting Numbers: [3776] 3776,71 unequal: No Solution Exploring Operation: 64+59=123, Resulting Numbers: [123] 123,71 unequal: No Solution Exploring Operation: 64-59=5, Resulting Numbers: [5] 5,71 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 #0,0,1 Current State: 71:[126, 131], Operations: ['57+69=126', '64+67=131'] Exploring Operation: 126+131=257, Resulting Numbers: [257] 257,71 unequal: No Solution Exploring Operation: 131-126=5, Resulting Numbers: [5] 5,71 unequal: No Solution Exploring Operation: 126*131=16506, Resulting Numbers: [16506] 16506,71 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: 71:[69, 54], Operations: ['57+64=121', '121-67=54'] Exploring Operation: 69+54=123, Resulting Numbers: [123] 123,71 unequal: No Solution Exploring Operation: 69*54=3726, Resulting Numbers: [3726] 3726,71 unequal: No Solution Exploring Operation: 69-54=15, Resulting Numbers: [15] 15,71 unequal: No Solution Moving to Node #0,2,1 Current State: 71:[67, 52], Operations: ['57+64=121', '121-69=52'] Exploring Operation: 67+52=119, Resulting Numbers: [119] 119,71 unequal: No Solution Exploring Operation: 67-52=15, Resulting Numbers: [15] 15,71 unequal: No Solution Exploring Operation: 67*52=3484, Resulting Numbers: [3484] 3484,71 unequal: No Solution Moving to Node #0,2,2 Current State: 71:[121, 136], Operations: ['57+64=121', '69+67=136'] Exploring Operation: 121*136=16456, Resulting Numbers: [16456] 16456,71 unequal: No Solution Exploring Operation: 136-121=15, Resulting Numbers: [15] 15,71 unequal: No Solution Exploring Operation: 121+136=257, Resulting Numbers: [257] 257,71 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 96, 72, 57, 59 ]
48
[ "96-72=24", "59-57=2", "24*2=48" ]
Current State: 48:[96, 72, 57, 59], Operations: [] Exploring Operation: 96-72=24, Resulting Numbers: [57, 59, 24] Generated Node #2: [57, 59, 24] from Operation: 96-72=24 Current State: 48:[57, 59, 24], Operations: ['96-72=24'] Exploring Operation: 59-57=2, Resulting Numbers: [24, 2] Generated Node #3: [24, 2] from Operation: 59-57=2 Current State: 48:[24, 2], Operations: ['96-72=24', '59-57=2'] Exploring Operation: 24*2=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[96, 72, 57, 59], Operations: [] Exploring Operation: 72-59=13, Resulting Numbers: [96, 57, 13] Generated Node #0,0: 48:[96, 57, 13] Operation: 72-59=13 Exploring Operation: 96-72=24, Resulting Numbers: [57, 59, 24] Generated Node #0,1: 48:[57, 59, 24] Operation: 96-72=24 Exploring Operation: 96-57=39, Resulting Numbers: [72, 59, 39] Generated Node #0,2: 48:[72, 59, 39] Operation: 96-57=39 Exploring Operation: 72-57=15, Resulting Numbers: [96, 59, 15] Generated Node #0,3: 48:[96, 59, 15] Operation: 72-57=15 Exploring Operation: 96-59=37, Resulting Numbers: [72, 57, 37] Generated Node #0,4: 48:[72, 57, 37] Operation: 96-59=37 Start Sub Search at level 1: Moving to Node #0,1 Current State: 48:[57, 59, 24], Operations: ['96-72=24'] Exploring Operation: 59-57=2, Resulting Numbers: [24, 2] Generated Node #0,1,0: 48:[24, 2] Operation: 59-57=2 Exploring Operation: 57-24=33, Resulting Numbers: [59, 33] Generated Node #0,1,1: 48:[59, 33] Operation: 57-24=33 Exploring Operation: 59-24=35, Resulting Numbers: [57, 35] Generated Node #0,1,2: 48:[57, 35] Operation: 59-24=35 Exploring Operation: 57+24=81, Resulting Numbers: [59, 81] Generated Node #0,1,3: 48:[59, 81] Operation: 57+24=81 Exploring Operation: 59+24=83, Resulting Numbers: [57, 83] Generated Node #0,1,4: 48:[57, 83] Operation: 59+24=83 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 48:[24, 2], Operations: ['96-72=24', '59-57=2'] Exploring Operation: 24+2=26, Resulting Numbers: [26] 26,48 unequal: No Solution Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,48 unequal: No Solution Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,48 unequal: No Solution Exploring Operation: 24*2=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[96, 72, 57, 59], Operations: [] Exploring Operation: 96-72=24, Resulting Numbers: [57, 59, 24] Generated Node #0,1: 48:[57, 59, 24] Operation: 96-72=24 Moving to Node #0,1 Current State: 48:[57, 59, 24], Operations: ['96-72=24'] Exploring Operation: 59-57=2, Resulting Numbers: [24, 2] Generated Node #0,1,0: 48:[24, 2] Operation: 59-57=2 Moving to Node #0,1,0 Current State: 48:[24, 2], Operations: ['96-72=24', '59-57=2'] Exploring Operation: 24*2=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 11, 63, 52, 45 ]
81
[ "11+63=74", "52-45=7", "74+7=81" ]
Current State: 81:[11, 63, 52, 45], Operations: [] Exploring Operation: 11+63=74, Resulting Numbers: [52, 45, 74] Generated Node #2: [52, 45, 74] from Operation: 11+63=74 Current State: 81:[52, 45, 74], Operations: ['11+63=74'] Exploring Operation: 52-45=7, Resulting Numbers: [74, 7] Generated Node #3: [74, 7] from Operation: 52-45=7 Current State: 81:[74, 7], Operations: ['11+63=74', '52-45=7'] Exploring Operation: 74+7=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[11, 63, 52, 45], Operations: [] Exploring Operation: 11+63=74, Resulting Numbers: [52, 45, 74] Generated Node #0,0: 81:[52, 45, 74] Operation: 11+63=74 Exploring Operation: 52+45=97, Resulting Numbers: [11, 63, 97] Generated Node #0,1: 81:[11, 63, 97] Operation: 52+45=97 Exploring Operation: 63-45=18, Resulting Numbers: [11, 52, 18] Generated Node #0,2: 81:[11, 52, 18] Operation: 63-45=18 Exploring Operation: 52-45=7, Resulting Numbers: [11, 63, 7] Generated Node #0,3: 81:[11, 63, 7] Operation: 52-45=7 Exploring Operation: 63-52=11, Resulting Numbers: [11, 45, 11] Generated Node #0,4: 81:[11, 45, 11] Operation: 63-52=11 Start Sub Search at level 1: Moving to Node #0,3 Current State: 81:[11, 63, 7], Operations: ['52-45=7'] Exploring Operation: 63+7=70, Resulting Numbers: [11, 70] Generated Node #0,3,0: 81:[11, 70] Operation: 63+7=70 Exploring Operation: 11-7=4, Resulting Numbers: [63, 4] Generated Node #0,3,1: 81:[63, 4] Operation: 11-7=4 Exploring Operation: 63/7=9, Resulting Numbers: [11, 9] Generated Node #0,3,2: 81:[11, 9] Operation: 63/7=9 Exploring Operation: 11+63=74, Resulting Numbers: [7, 74] Generated Node #0,3,3: 81:[7, 74] Operation: 11+63=74 Exploring Operation: 11*7=77, Resulting Numbers: [63, 77] Generated Node #0,3,4: 81:[63, 77] Operation: 11*7=77 Moving to Node #0,3,2 Current State: 81:[11, 9], Operations: ['52-45=7', '63/7=9'] Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,81 unequal: No Solution Exploring Operation: 11*9=99, Resulting Numbers: [99] 99,81 unequal: No Solution Exploring Operation: 11+9=20, Resulting Numbers: [20] 20,81 unequal: No Solution Moving to Node #0,3,3 Current State: 81:[7, 74], Operations: ['52-45=7', '11+63=74'] Exploring Operation: 74-7=67, Resulting Numbers: [67] 67,81 unequal: No Solution Exploring Operation: 7*74=518, Resulting Numbers: [518] 518,81 unequal: No Solution Exploring Operation: 7+74=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[11, 63, 52, 45], Operations: [] Exploring Operation: 52-45=7, Resulting Numbers: [11, 63, 7] Generated Node #0,3: 81:[11, 63, 7] Operation: 52-45=7 Moving to Node #0,3 Current State: 81:[11, 63, 7], Operations: ['52-45=7'] Exploring Operation: 11+63=74, Resulting Numbers: [7, 74] Generated Node #0,3,3: 81:[7, 74] Operation: 11+63=74 Moving to Node #0,3,3 Current State: 81:[7, 74], Operations: ['52-45=7', '11+63=74'] Exploring Operation: 7+74=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
sum_heuristic
[ 72, 87, 57, 57 ]
45
[ "72+87=159", "57+57=114", "159-114=45" ]
Current State: 45:[72, 87, 57, 57], Operations: [] Exploring Operation: 72+87=159, Resulting Numbers: [57, 57, 159] Generated Node #2: [57, 57, 159] from Operation: 72+87=159 Current State: 45:[57, 57, 159], Operations: ['72+87=159'] Exploring Operation: 57+57=114, Resulting Numbers: [159, 114] Generated Node #3: [159, 114] from Operation: 57+57=114 Current State: 45:[159, 114], Operations: ['72+87=159', '57+57=114'] Exploring Operation: 159-114=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[72, 87, 57, 57], Operations: [] Exploring Operation: 87-72=15, Resulting Numbers: [57, 57, 15] Generated Node #0,0: 45:[57, 57, 15] Operation: 87-72=15 Exploring Operation: 72-57=15, Resulting Numbers: [87, 57, 15] Generated Node #0,1: 45:[87, 57, 15] Operation: 72-57=15 Moving to Node #0,0 Current State: 45:[57, 57, 15], Operations: ['87-72=15'] Exploring Operation: 57-57=0, Resulting Numbers: [15, 0] Generated Node #0,0,0: 45:[15, 0] Operation: 57-57=0 Exploring Operation: 57/57=1, Resulting Numbers: [15, 1] Generated Node #0,0,1: 45:[15, 1] Operation: 57/57=1 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 45:[15, 1], Operations: ['87-72=15', '57/57=1'] Exploring Operation: 15/1=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 15*1=15, Resulting Numbers: [15] 15,45 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:[15, 0], Operations: ['87-72=15', '57-57=0'] Exploring Operation: 15+0=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 15-0=15, Resulting Numbers: [15] 15,45 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:[87, 57, 15], Operations: ['72-57=15'] Exploring Operation: 87-15=72, Resulting Numbers: [57, 72] Generated Node #0,1,0: 45:[57, 72] Operation: 87-15=72 Exploring Operation: 87-57=30, Resulting Numbers: [15, 30] Generated Node #0,1,1: 45:[15, 30] Operation: 87-57=30 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 45:[15, 30], Operations: ['72-57=15', '87-57=30'] Exploring Operation: 15+30=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[72, 87, 57, 57], Operations: [] Exploring Operation: 72-57=15, Resulting Numbers: [87, 57, 15] Generated Node #0,1: 45:[87, 57, 15] Operation: 72-57=15 Moving to Node #0,1 Current State: 45:[87, 57, 15], Operations: ['72-57=15'] Exploring Operation: 87-57=30, Resulting Numbers: [15, 30] Generated Node #0,1,1: 45:[15, 30] Operation: 87-57=30 Moving to Node #0,1,1 Current State: 45:[15, 30], Operations: ['72-57=15', '87-57=30'] Exploring Operation: 15+30=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 76, 12, 90, 94 ]
68
[ "76-12=64", "94-90=4", "64+4=68" ]
Current State: 68:[76, 12, 90, 94], Operations: [] Exploring Operation: 76-12=64, Resulting Numbers: [90, 94, 64] Generated Node #2: [90, 94, 64] from Operation: 76-12=64 Current State: 68:[90, 94, 64], Operations: ['76-12=64'] Exploring Operation: 94-90=4, Resulting Numbers: [64, 4] Generated Node #3: [64, 4] from Operation: 94-90=4 Current State: 68:[64, 4], Operations: ['76-12=64', '94-90=4'] Exploring Operation: 64+4=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[76, 12, 90, 94], Operations: [] Exploring Operation: 94-90=4, Resulting Numbers: [76, 12, 4] Generated Node #0,0: 68:[76, 12, 4] Operation: 94-90=4 Exploring Operation: 94-76=18, Resulting Numbers: [12, 90, 18] Generated Node #0,1: 68:[12, 90, 18] Operation: 94-76=18 Exploring Operation: 90-76=14, Resulting Numbers: [12, 94, 14] Generated Node #0,2: 68:[12, 94, 14] Operation: 90-76=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[76, 12, 4], Operations: ['94-90=4'] Exploring Operation: 76-4=72, Resulting Numbers: [12, 72] Generated Node #0,0,0: 68:[12, 72] Operation: 76-4=72 Exploring Operation: 76-12=64, Resulting Numbers: [4, 64] Generated Node #0,0,1: 68:[4, 64] Operation: 76-12=64 Exploring Operation: 76/4=19, Resulting Numbers: [12, 19] Generated Node #0,0,2: 68:[12, 19] Operation: 76/4=19 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 68:[4, 64], Operations: ['94-90=4', '76-12=64'] Exploring Operation: 4+64=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[76, 12, 90, 94], Operations: [] Exploring Operation: 94-90=4, Resulting Numbers: [76, 12, 4] Generated Node #0,0: 68:[76, 12, 4] Operation: 94-90=4 Moving to Node #0,0 Current State: 68:[76, 12, 4], Operations: ['94-90=4'] Exploring Operation: 76-12=64, Resulting Numbers: [4, 64] Generated Node #0,0,1: 68:[4, 64] Operation: 76-12=64 Moving to Node #0,0,1 Current State: 68:[4, 64], Operations: ['94-90=4', '76-12=64'] Exploring Operation: 4+64=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 38, 12, 89, 95 ]
36
[ "95-89=6", "12/6=2", "38-2=36" ]
Current State: 36:[38, 12, 89, 95], Operations: [] Exploring Operation: 95-89=6, Resulting Numbers: [38, 12, 6] Generated Node #2: [38, 12, 6] from Operation: 95-89=6 Current State: 36:[38, 12, 6], Operations: ['95-89=6'] Exploring Operation: 12/6=2, Resulting Numbers: [38, 2] Generated Node #3: [38, 2] from Operation: 12/6=2 Current State: 36:[38, 2], Operations: ['95-89=6', '12/6=2'] Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[38, 12, 89, 95], Operations: [] Exploring Operation: 95-89=6, Resulting Numbers: [38, 12, 6] Generated Node #0,0: 36:[38, 12, 6] Operation: 95-89=6 Exploring Operation: 89-38=51, Resulting Numbers: [12, 95, 51] Generated Node #0,1: 36:[12, 95, 51] Operation: 89-38=51 Exploring Operation: 95-38=57, Resulting Numbers: [12, 89, 57] Generated Node #0,2: 36:[12, 89, 57] Operation: 95-38=57 Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[38, 12, 6], Operations: ['95-89=6'] Exploring Operation: 12+6=18, Resulting Numbers: [38, 18] Generated Node #0,0,0: 36:[38, 18] Operation: 12+6=18 Exploring Operation: 12/6=2, Resulting Numbers: [38, 2] Generated Node #0,0,1: 36:[38, 2] Operation: 12/6=2 Exploring Operation: 12-6=6, Resulting Numbers: [38, 6] Generated Node #0,0,2: 36:[38, 6] Operation: 12-6=6 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 36:[38, 18], Operations: ['95-89=6', '12+6=18'] Exploring Operation: 38+18=56, Resulting Numbers: [56] 56,36 unequal: No Solution Exploring Operation: 38*18=684, Resulting Numbers: [684] 684,36 unequal: No Solution Exploring Operation: 38-18=20, Resulting Numbers: [20] 20,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 36:[38, 2], Operations: ['95-89=6', '12/6=2'] Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[38, 12, 89, 95], Operations: [] Exploring Operation: 95-89=6, Resulting Numbers: [38, 12, 6] Generated Node #0,0: 36:[38, 12, 6] Operation: 95-89=6 Moving to Node #0,0 Current State: 36:[38, 12, 6], Operations: ['95-89=6'] Exploring Operation: 12/6=2, Resulting Numbers: [38, 2] Generated Node #0,0,1: 36:[38, 2] Operation: 12/6=2 Moving to Node #0,0,1 Current State: 36:[38, 2], Operations: ['95-89=6', '12/6=2'] Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_3
mult_heuristic
[ 90, 68, 94, 15 ]
27
[ "90/15=6", "68+94=162", "162/6=27" ]
Current State: 27:[90, 68, 94, 15], Operations: [] Exploring Operation: 90/15=6, Resulting Numbers: [68, 94, 6] Generated Node #2: [68, 94, 6] from Operation: 90/15=6 Current State: 27:[68, 94, 6], Operations: ['90/15=6'] Exploring Operation: 68+94=162, Resulting Numbers: [6, 162] Generated Node #3: [6, 162] from Operation: 68+94=162 Current State: 27:[6, 162], Operations: ['90/15=6', '68+94=162'] Exploring Operation: 162/6=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[90, 68, 94, 15], Operations: [] Exploring Operation: 94-68=26, Resulting Numbers: [90, 15, 26] Generated Node #0,0: 27:[90, 15, 26] Operation: 94-68=26 Exploring Operation: 94-90=4, Resulting Numbers: [68, 15, 4] Generated Node #0,1: 27:[68, 15, 4] Operation: 94-90=4 Exploring Operation: 90-68=22, Resulting Numbers: [94, 15, 22] Generated Node #0,2: 27:[94, 15, 22] Operation: 90-68=22 Exploring Operation: 90/15=6, Resulting Numbers: [68, 94, 6] Generated Node #0,3: 27:[68, 94, 6] Operation: 90/15=6 Moving to Node #0,1 Current State: 27:[68, 15, 4], Operations: ['94-90=4'] Exploring Operation: 68-4=64, Resulting Numbers: [15, 64] Generated Node #0,1,0: 27:[15, 64] Operation: 68-4=64 Exploring Operation: 68-15=53, Resulting Numbers: [4, 53] Generated Node #0,1,1: 27:[4, 53] Operation: 68-15=53 Exploring Operation: 68/4=17, Resulting Numbers: [15, 17] Generated Node #0,1,2: 27:[15, 17] Operation: 68/4=17 Exploring Operation: 15-4=11, Resulting Numbers: [68, 11] Generated Node #0,1,3: 27:[68, 11] Operation: 15-4=11 Moving to Node #0,0 Current State: 27:[90, 15, 26], Operations: ['94-68=26'] Exploring Operation: 90/15=6, Resulting Numbers: [26, 6] Generated Node #0,0,0: 27:[26, 6] Operation: 90/15=6 Exploring Operation: 90-15=75, Resulting Numbers: [26, 75] Generated Node #0,0,1: 27:[26, 75] Operation: 90-15=75 Exploring Operation: 90-26=64, Resulting Numbers: [15, 64] Generated Node #0,0,2: 27:[15, 64] Operation: 90-26=64 Exploring Operation: 26-15=11, Resulting Numbers: [90, 11] Generated Node #0,0,3: 27:[90, 11] Operation: 26-15=11 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 27:[26, 6], Operations: ['94-68=26', '90/15=6'] Exploring Operation: 26*6=156, Resulting Numbers: [156] 156,27 unequal: No Solution Exploring Operation: 26+6=32, Resulting Numbers: [32] 32,27 unequal: No Solution Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,27 unequal: No Solution No 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: 27:[15, 64], Operations: ['94-68=26', '90-26=64'] Exploring Operation: 15+64=79, Resulting Numbers: [79] 79,27 unequal: No Solution Exploring Operation: 15*64=960, Resulting Numbers: [960] 960,27 unequal: No Solution Exploring Operation: 64-15=49, Resulting Numbers: [49] 49,27 unequal: No Solution No 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: 27:[26, 75], Operations: ['94-68=26', '90-15=75'] Exploring Operation: 26*75=1950, Resulting Numbers: [1950] 1950,27 unequal: No Solution Exploring Operation: 26+75=101, Resulting Numbers: [101] 101,27 unequal: No Solution Exploring Operation: 75-26=49, Resulting Numbers: [49] 49,27 unequal: No Solution No 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: 27:[90, 11], Operations: ['94-68=26', '26-15=11'] Exploring Operation: 90+11=101, Resulting Numbers: [101] 101,27 unequal: No Solution Exploring Operation: 90*11=990, Resulting Numbers: [990] 990,27 unequal: No Solution Exploring Operation: 90-11=79, Resulting Numbers: [79] 79,27 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: 27:[94, 15, 22], Operations: ['90-68=22'] Exploring Operation: 94-22=72, Resulting Numbers: [15, 72] Generated Node #0,2,0: 27:[15, 72] Operation: 94-22=72 Exploring Operation: 22-15=7, Resulting Numbers: [94, 7] Generated Node #0,2,1: 27:[94, 7] Operation: 22-15=7 Exploring Operation: 15+22=37, Resulting Numbers: [94, 37] Generated Node #0,2,2: 27:[94, 37] Operation: 15+22=37 Exploring Operation: 94-15=79, Resulting Numbers: [22, 79] Generated Node #0,2,3: 27:[22, 79] Operation: 94-15=79 Moving to Node #0,3 Current State: 27:[68, 94, 6], Operations: ['90/15=6'] Exploring Operation: 68+6=74, Resulting Numbers: [94, 74] Generated Node #0,3,0: 27:[94, 74] Operation: 68+6=74 Exploring Operation: 68-6=62, Resulting Numbers: [94, 62] Generated Node #0,3,1: 27:[94, 62] Operation: 68-6=62 Exploring Operation: 94-6=88, Resulting Numbers: [68, 88] Generated Node #0,3,2: 27:[68, 88] Operation: 94-6=88 Exploring Operation: 94-68=26, Resulting Numbers: [6, 26] Generated Node #0,3,3: 27:[6, 26] Operation: 94-68=26 Moving to Node #0,3,3 Current State: 27:[6, 26], Operations: ['90/15=6', '94-68=26'] Exploring Operation: 6*26=156, Resulting Numbers: [156] 156,27 unequal: No Solution Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,27 unequal: No Solution Exploring Operation: 6+26=32, Resulting Numbers: [32] 32,27 unequal: No Solution Moving to Node #0,1,2 Current State: 27:[15, 17], Operations: ['94-90=4', '68/4=17'] Exploring Operation: 17-15=2, Resulting Numbers: [2] 2,27 unequal: No Solution Exploring Operation: 15*17=255, Resulting Numbers: [255] 255,27 unequal: No Solution Exploring Operation: 15+17=32, Resulting Numbers: [32] 32,27 unequal: No Solution Moving to Node #0,1,1 Current State: 27:[4, 53], Operations: ['94-90=4', '68-15=53'] Exploring Operation: 4*53=212, Resulting Numbers: [212] 212,27 unequal: No Solution Exploring Operation: 4+53=57, Resulting Numbers: [57] 57,27 unequal: No Solution Exploring Operation: 53-4=49, Resulting Numbers: [49] 49,27 unequal: No Solution Moving to Node #0,1,0 Current State: 27:[15, 64], Operations: ['94-90=4', '68-4=64'] Exploring Operation: 15*64=960, Resulting Numbers: [960] 960,27 unequal: No Solution Exploring Operation: 64-15=49, Resulting Numbers: [49] 49,27 unequal: No Solution Exploring Operation: 15+64=79, Resulting Numbers: [79] 79,27 unequal: No Solution Moving to Node #0,1,3 Current State: 27:[68, 11], Operations: ['94-90=4', '15-4=11'] Exploring Operation: 68+11=79, Resulting Numbers: [79] 79,27 unequal: No Solution Exploring Operation: 68*11=748, Resulting Numbers: [748] 748,27 unequal: No Solution Exploring Operation: 68-11=57, Resulting Numbers: [57] 57,27 unequal: No Solution Moving to Node #0,2,0 Current State: 27:[15, 72], Operations: ['90-68=22', '94-22=72'] Exploring Operation: 72-15=57, Resulting Numbers: [57] 57,27 unequal: No Solution Exploring Operation: 15*72=1080, Resulting Numbers: [1080] 1080,27 unequal: No Solution Exploring Operation: 15+72=87, Resulting Numbers: [87] 87,27 unequal: No Solution Moving to Node #0,2,3 Current State: 27:[22, 79], Operations: ['90-68=22', '94-15=79'] Exploring Operation: 22+79=101, Resulting Numbers: [101] 101,27 unequal: No Solution Exploring Operation: 22*79=1738, Resulting Numbers: [1738] 1738,27 unequal: No Solution Exploring Operation: 79-22=57, Resulting Numbers: [57] 57,27 unequal: No Solution Moving to Node #0,2,1 Current State: 27:[94, 7], Operations: ['90-68=22', '22-15=7'] Exploring Operation: 94*7=658, Resulting Numbers: [658] 658,27 unequal: No Solution Exploring Operation: 94+7=101, Resulting Numbers: [101] 101,27 unequal: No Solution Exploring Operation: 94-7=87, Resulting Numbers: [87] 87,27 unequal: No Solution Moving to Node #0,2,2 Current State: 27:[94, 37], Operations: ['90-68=22', '15+22=37'] Exploring Operation: 94-37=57, Resulting Numbers: [57] 57,27 unequal: No Solution Exploring Operation: 94+37=131, Resulting Numbers: [131] 131,27 unequal: No Solution Exploring Operation: 94*37=3478, Resulting Numbers: [3478] 3478,27 unequal: No Solution Moving to Node #0,3,1 Current State: 27:[94, 62], Operations: ['90/15=6', '68-6=62'] Exploring Operation: 94*62=5828, Resulting Numbers: [5828] 5828,27 unequal: No Solution Exploring Operation: 94-62=32, Resulting Numbers: [32] 32,27 unequal: No Solution Exploring Operation: 94+62=156, Resulting Numbers: [156] 156,27 unequal: No Solution Moving to Node #0,3,2 Current State: 27:[68, 88], Operations: ['90/15=6', '94-6=88'] Exploring Operation: 88-68=20, Resulting Numbers: [20] 20,27 unequal: No Solution Exploring Operation: 68+88=156, Resulting Numbers: [156] 156,27 unequal: No Solution Exploring Operation: 68*88=5984, Resulting Numbers: [5984] 5984,27 unequal: No Solution Moving to Node #0,3,0 Current State: 27:[94, 74], Operations: ['90/15=6', '68+6=74'] Exploring Operation: 94-74=20, Resulting Numbers: [20] 20,27 unequal: No Solution Exploring Operation: 94*74=6956, Resulting Numbers: [6956] 6956,27 unequal: No Solution Exploring Operation: 94+74=168, Resulting Numbers: [168] 168,27 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 90, 73, 29, 25 ]
21
[ "90-73=17", "29-25=4", "17+4=21" ]
Current State: 21:[90, 73, 29, 25], Operations: [] Exploring Operation: 90-73=17, Resulting Numbers: [29, 25, 17] Generated Node #2: [29, 25, 17] from Operation: 90-73=17 Current State: 21:[29, 25, 17], Operations: ['90-73=17'] Exploring Operation: 29-25=4, Resulting Numbers: [17, 4] Generated Node #3: [17, 4] from Operation: 29-25=4 Current State: 21:[17, 4], Operations: ['90-73=17', '29-25=4'] Exploring Operation: 17+4=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[90, 73, 29, 25], Operations: [] Exploring Operation: 90-73=17, Resulting Numbers: [29, 25, 17] Generated Node #0,0: 21:[29, 25, 17] Operation: 90-73=17 Exploring Operation: 90-25=65, Resulting Numbers: [73, 29, 65] Generated Node #0,1: 21:[73, 29, 65] Operation: 90-25=65 Exploring Operation: 73-29=44, Resulting Numbers: [90, 25, 44] Generated Node #0,2: 21:[90, 25, 44] Operation: 73-29=44 Exploring Operation: 90-29=61, Resulting Numbers: [73, 25, 61] Generated Node #0,3: 21:[73, 25, 61] Operation: 90-29=61 Moving to Node #0,0 Current State: 21:[29, 25, 17], Operations: ['90-73=17'] Exploring Operation: 29-25=4, Resulting Numbers: [17, 4] Generated Node #0,0,0: 21:[17, 4] Operation: 29-25=4 Exploring Operation: 29+17=46, Resulting Numbers: [25, 46] Generated Node #0,0,1: 21:[25, 46] Operation: 29+17=46 Exploring Operation: 29-17=12, Resulting Numbers: [25, 12] Generated Node #0,0,2: 21:[25, 12] Operation: 29-17=12 Exploring Operation: 25-17=8, Resulting Numbers: [29, 8] Generated Node #0,0,3: 21:[29, 8] Operation: 25-17=8 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 21:[17, 4], Operations: ['90-73=17', '29-25=4'] Exploring Operation: 17*4=68, Resulting Numbers: [68] 68,21 unequal: No Solution Exploring Operation: 17+4=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[90, 73, 29, 25], Operations: [] Exploring Operation: 90-73=17, Resulting Numbers: [29, 25, 17] Generated Node #0,0: 21:[29, 25, 17] Operation: 90-73=17 Moving to Node #0,0 Current State: 21:[29, 25, 17], Operations: ['90-73=17'] Exploring Operation: 29-25=4, Resulting Numbers: [17, 4] Generated Node #0,0,0: 21:[17, 4] Operation: 29-25=4 Moving to Node #0,0,0 Current State: 21:[17, 4], Operations: ['90-73=17', '29-25=4'] Exploring Operation: 17+4=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 90, 21, 56, 84 ]
39
[ "90*56=5040", "5040/84=60", "60-21=39" ]
Current State: 39:[90, 21, 56, 84], Operations: [] Exploring Operation: 90*56=5040, Resulting Numbers: [21, 84, 5040] Generated Node #2: [21, 84, 5040] from Operation: 90*56=5040 Current State: 39:[21, 84, 5040], Operations: ['90*56=5040'] Exploring Operation: 5040/84=60, Resulting Numbers: [21, 60] Generated Node #3: [21, 60] from Operation: 5040/84=60 Current State: 39:[21, 60], Operations: ['90*56=5040', '5040/84=60'] Exploring Operation: 60-21=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[90, 21, 56, 84], Operations: [] Exploring Operation: 84/21=4, Resulting Numbers: [90, 56, 4] Generated Node #0,0: 39:[90, 56, 4] Operation: 84/21=4 Exploring Operation: 90-84=6, Resulting Numbers: [21, 56, 6] Generated Node #0,1: 39:[21, 56, 6] Operation: 90-84=6 Exploring Operation: 90-56=34, Resulting Numbers: [21, 84, 34] Generated Node #0,2: 39:[21, 84, 34] Operation: 90-56=34 Moving to Node #0,1 Current State: 39:[21, 56, 6], Operations: ['90-84=6'] Exploring Operation: 56-6=50, Resulting Numbers: [21, 50] Generated Node #0,1,0: 39:[21, 50] Operation: 56-6=50 Exploring Operation: 56-21=35, Resulting Numbers: [6, 35] Generated Node #0,1,1: 39:[6, 35] Operation: 56-21=35 Exploring Operation: 21-6=15, Resulting Numbers: [56, 15] Generated Node #0,1,2: 39:[56, 15] Operation: 21-6=15 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 39:[6, 35], Operations: ['90-84=6', '56-21=35'] Exploring Operation: 6*35=210, Resulting Numbers: [210] 210,39 unequal: No Solution Exploring Operation: 6+35=41, Resulting Numbers: [41] 41,39 unequal: No Solution Exploring Operation: 35-6=29, Resulting Numbers: [29] 29,39 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 #0,1,0 Current State: 39:[21, 50], Operations: ['90-84=6', '56-6=50'] Exploring Operation: 21*50=1050, Resulting Numbers: [1050] 1050,39 unequal: No Solution Exploring Operation: 21+50=71, Resulting Numbers: [71] 71,39 unequal: No Solution Exploring Operation: 50-21=29, Resulting Numbers: [29] 29,39 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 #0,1,2 Current State: 39:[56, 15], Operations: ['90-84=6', '21-6=15'] Exploring Operation: 56+15=71, Resulting Numbers: [71] 71,39 unequal: No Solution Exploring Operation: 56-15=41, Resulting Numbers: [41] 41,39 unequal: No Solution Exploring Operation: 56*15=840, Resulting Numbers: [840] 840,39 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: 39:[21, 84, 34], Operations: ['90-56=34'] Exploring Operation: 84-34=50, Resulting Numbers: [21, 50] Generated Node #0,2,0: 39:[21, 50] Operation: 84-34=50 Exploring Operation: 84/21=4, Resulting Numbers: [34, 4] Generated Node #0,2,1: 39:[34, 4] Operation: 84/21=4 Exploring Operation: 84-21=63, Resulting Numbers: [34, 63] Generated Node #0,2,2: 39:[34, 63] Operation: 84-21=63 Moving to Node #0,0 Current State: 39:[90, 56, 4], Operations: ['84/21=4'] Exploring Operation: 90-56=34, Resulting Numbers: [4, 34] Generated Node #0,0,0: 39:[4, 34] Operation: 90-56=34 Exploring Operation: 56/4=14, Resulting Numbers: [90, 14] Generated Node #0,0,1: 39:[90, 14] Operation: 56/4=14 Exploring Operation: 90-4=86, Resulting Numbers: [56, 86] Generated Node #0,0,2: 39:[56, 86] Operation: 90-4=86 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 39:[4, 34], Operations: ['84/21=4', '90-56=34'] Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,39 unequal: No Solution Exploring Operation: 4*34=136, Resulting Numbers: [136] 136,39 unequal: No Solution Exploring Operation: 4+34=38, Resulting Numbers: [38] 38,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 39:[90, 14], Operations: ['84/21=4', '56/4=14'] Exploring Operation: 90-14=76, Resulting Numbers: [76] 76,39 unequal: No Solution Exploring Operation: 90*14=1260, Resulting Numbers: [1260] 1260,39 unequal: No Solution Exploring Operation: 90+14=104, Resulting Numbers: [104] 104,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 39:[56, 86], Operations: ['84/21=4', '90-4=86'] Exploring Operation: 56*86=4816, Resulting Numbers: [4816] 4816,39 unequal: No Solution Exploring Operation: 56+86=142, Resulting Numbers: [142] 142,39 unequal: No Solution Exploring Operation: 86-56=30, Resulting Numbers: [30] 30,39 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: 39:[34, 4], Operations: ['90-56=34', '84/21=4'] Exploring Operation: 34+4=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,39 unequal: No Solution Exploring Operation: 34*4=136, Resulting Numbers: [136] 136,39 unequal: No Solution Moving to Node #0,2,0 Current State: 39:[21, 50], Operations: ['90-56=34', '84-34=50'] Exploring Operation: 21*50=1050, Resulting Numbers: [1050] 1050,39 unequal: No Solution Exploring Operation: 50-21=29, Resulting Numbers: [29] 29,39 unequal: No Solution Exploring Operation: 21+50=71, Resulting Numbers: [71] 71,39 unequal: No Solution Moving to Node #0,2,2 Current State: 39:[34, 63], Operations: ['90-56=34', '84-21=63'] Exploring Operation: 63-34=29, Resulting Numbers: [29] 29,39 unequal: No Solution Exploring Operation: 34+63=97, Resulting Numbers: [97] 97,39 unequal: No Solution Exploring Operation: 34*63=2142, Resulting Numbers: [2142] 2142,39 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 9, 60, 68, 13 ]
51
[ "68+13=81", "81/9=9", "60-9=51" ]
Current State: 51:[9, 60, 68, 13], Operations: [] Exploring Operation: 68+13=81, Resulting Numbers: [9, 60, 81] Generated Node #2: [9, 60, 81] from Operation: 68+13=81 Current State: 51:[9, 60, 81], Operations: ['68+13=81'] Exploring Operation: 81/9=9, Resulting Numbers: [60, 9] Generated Node #3: [60, 9] from Operation: 81/9=9 Current State: 51:[60, 9], Operations: ['68+13=81', '81/9=9'] Exploring Operation: 60-9=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[9, 60, 68, 13], Operations: [] Exploring Operation: 68-60=8, Resulting Numbers: [9, 13, 8] Generated Node #0,0: 51:[9, 13, 8] Operation: 68-60=8 Moving to Node #0,0 Current State: 51:[9, 13, 8], Operations: ['68-60=8'] Exploring Operation: 9+8=17, Resulting Numbers: [13, 17] Generated Node #0,0,0: 51:[13, 17] Operation: 9+8=17 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 51:[13, 17], Operations: ['68-60=8', '9+8=17'] Exploring Operation: 17-13=4, Resulting Numbers: [4] 4,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic