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
[ 46, 24, 87, 93 ]
42
[ "93-87=6", "24/6=4", "46-4=42" ]
Current State: 42:[46, 24, 87, 93], Operations: [] Exploring Operation: 93-87=6, Resulting Numbers: [46, 24, 6] Generated Node #2: [46, 24, 6] from Operation: 93-87=6 Current State: 42:[46, 24, 6], Operations: ['93-87=6'] Exploring Operation: 24/6=4, Resulting Numbers: [46, 4] Generated Node #3: [46, 4] from Operation: 24/6=4 Current State: 42:[46, 4], Operations: ['93-87=6', '24/6=4'] Exploring Operation: 46-4=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[46, 24, 87, 93], Operations: [] Exploring Operation: 93-87=6, Resulting Numbers: [46, 24, 6] Generated Node #0,0: 42:[46, 24, 6] Operation: 93-87=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[46, 24, 6], Operations: ['93-87=6'] Exploring Operation: 46-24=22, Resulting Numbers: [6, 22] Generated Node #0,0,0: 42:[6, 22] Operation: 46-24=22 Moving to Node #0,0,0 Current State: 42:[6, 22], Operations: ['93-87=6', '46-24=22'] Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,42 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
[ 52, 5, 80, 5 ]
36
[ "52*5=260", "260-80=180", "180/5=36" ]
Current State: 36:[52, 5, 80, 5], Operations: [] Exploring Operation: 52*5=260, Resulting Numbers: [80, 260] Generated Node #2: [80, 260] from Operation: 52*5=260 Current State: 36:[80, 260], Operations: ['52*5=260'] Exploring Operation: 260-80=180, Resulting Numbers: [180] 180,36 equal: Goal Reached Exploring Operation: 180/5=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[52, 5, 80, 5], Operations: [] Exploring Operation: 80/5=16, Resulting Numbers: [52, 5, 16] Generated Node #0,0: 36:[52, 5, 16] Operation: 80/5=16 Exploring Operation: 80/5=16, Resulting Numbers: [52, 5, 16] Generated Node #0,1: 36:[52, 5, 16] Operation: 80/5=16 Exploring Operation: 80-52=28, Resulting Numbers: [5, 5, 28] Generated Node #0,2: 36:[5, 5, 28] Operation: 80-52=28 Moving to Node #0,2 Current State: 36:[5, 5, 28], Operations: ['80-52=28'] Exploring Operation: 5+28=33, Resulting Numbers: [5, 33] Generated Node #0,2,0: 36:[5, 33] Operation: 5+28=33 Exploring Operation: 5+28=33, Resulting Numbers: [5, 33] Generated Node #0,2,1: 36:[5, 33] Operation: 5+28=33 Exploring Operation: 28-5=23, Resulting Numbers: [5, 23] Generated Node #0,2,2: 36:[5, 23] Operation: 28-5=23 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 36:[5, 33], Operations: ['80-52=28', '5+28=33'] Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,36 unequal: No Solution Exploring Operation: 5+33=38, Resulting Numbers: [38] 38,36 unequal: No Solution Exploring Operation: 5*33=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 #0,2,1 Current State: 36:[5, 33], Operations: ['80-52=28', '5+28=33'] Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,36 unequal: No Solution Exploring Operation: 5*33=165, Resulting Numbers: [165] 165,36 unequal: No Solution Exploring Operation: 5+33=38, Resulting Numbers: [38] 38,36 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:[5, 23], Operations: ['80-52=28', '28-5=23'] Exploring Operation: 5*23=115, Resulting Numbers: [115] 115,36 unequal: No Solution Exploring Operation: 5+23=28, Resulting Numbers: [28] 28,36 unequal: No Solution Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,36 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: 36:[52, 5, 16], Operations: ['80/5=16'] Exploring Operation: 52-16=36, Resulting Numbers: [5, 36] Generated Node #0,0,0: 36:[5, 36] Operation: 52-16=36 Exploring Operation: 16-5=11, Resulting Numbers: [52, 11] Generated Node #0,0,1: 36:[52, 11] Operation: 16-5=11 Exploring Operation: 52-5=47, Resulting Numbers: [16, 47] Generated Node #0,0,2: 36:[16, 47] Operation: 52-5=47 Moving to Node #0,1 Current State: 36:[52, 5, 16], Operations: ['80/5=16'] Exploring Operation: 52-16=36, Resulting Numbers: [5, 36] Generated Node #0,1,0: 36:[5, 36] Operation: 52-16=36 Exploring Operation: 16-5=11, Resulting Numbers: [52, 11] Generated Node #0,1,1: 36:[52, 11] Operation: 16-5=11 Exploring Operation: 52-5=47, Resulting Numbers: [16, 47] Generated Node #0,1,2: 36:[16, 47] Operation: 52-5=47 Moving to Node #0,0,0 Current State: 36:[5, 36], Operations: ['80/5=16', '52-16=36'] Exploring Operation: 36-5=31, Resulting Numbers: [31] 31,36 unequal: No Solution Exploring Operation: 5*36=180, Resulting Numbers: [180] 180,36 unequal: No Solution Exploring Operation: 5+36=41, Resulting Numbers: [41] 41,36 unequal: No Solution Moving to Node #0,1,0 Current State: 36:[5, 36], Operations: ['80/5=16', '52-16=36'] Exploring Operation: 5+36=41, Resulting Numbers: [41] 41,36 unequal: No Solution Exploring Operation: 36-5=31, Resulting Numbers: [31] 31,36 unequal: No Solution Exploring Operation: 5*36=180, Resulting Numbers: [180] 180,36 unequal: No Solution Moving to Node #0,1,2 Current State: 36:[16, 47], Operations: ['80/5=16', '52-5=47'] Exploring Operation: 47-16=31, Resulting Numbers: [31] 31,36 unequal: No Solution Exploring Operation: 16*47=752, Resulting Numbers: [752] 752,36 unequal: No Solution Exploring Operation: 16+47=63, Resulting Numbers: [63] 63,36 unequal: No Solution Moving to Node #0,0,2 Current State: 36:[16, 47], Operations: ['80/5=16', '52-5=47'] Exploring Operation: 47-16=31, Resulting Numbers: [31] 31,36 unequal: No Solution Exploring Operation: 16*47=752, Resulting Numbers: [752] 752,36 unequal: No Solution Exploring Operation: 16+47=63, Resulting Numbers: [63] 63,36 unequal: No Solution Moving to Node #0,1,1 Current State: 36:[52, 11], Operations: ['80/5=16', '16-5=11'] Exploring Operation: 52-11=41, Resulting Numbers: [41] 41,36 unequal: No Solution Exploring Operation: 52*11=572, Resulting Numbers: [572] 572,36 unequal: No Solution Exploring Operation: 52+11=63, Resulting Numbers: [63] 63,36 unequal: No Solution Moving to Node #0,0,1 Current State: 36:[52, 11], Operations: ['80/5=16', '16-5=11'] Exploring Operation: 52*11=572, Resulting Numbers: [572] 572,36 unequal: No Solution Exploring Operation: 52-11=41, Resulting Numbers: [41] 41,36 unequal: No Solution Exploring Operation: 52+11=63, Resulting Numbers: [63] 63,36 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 72, 45, 24, 10 ]
58
[ "72/24=3", "45+10=55", "3+55=58" ]
Current State: 58:[72, 45, 24, 10], Operations: [] Exploring Operation: 72/24=3, Resulting Numbers: [45, 10, 3] Generated Node #2: [45, 10, 3] from Operation: 72/24=3 Current State: 58:[45, 10, 3], Operations: ['72/24=3'] Exploring Operation: 45+10=55, Resulting Numbers: [3, 55] Generated Node #3: [3, 55] from Operation: 45+10=55 Current State: 58:[3, 55], Operations: ['72/24=3', '45+10=55'] Exploring Operation: 3+55=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[72, 45, 24, 10], Operations: [] Exploring Operation: 72-10=62, Resulting Numbers: [45, 24, 62] Generated Node #0,0: 58:[45, 24, 62] Operation: 72-10=62 Exploring Operation: 72-45=27, Resulting Numbers: [24, 10, 27] Generated Node #0,1: 58:[24, 10, 27] Operation: 72-45=27 Exploring Operation: 72/24=3, Resulting Numbers: [45, 10, 3] Generated Node #0,2: 58:[45, 10, 3] Operation: 72/24=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 58:[24, 10, 27], Operations: ['72-45=27'] Exploring Operation: 27-24=3, Resulting Numbers: [10, 3] Generated Node #0,1,0: 58:[10, 3] Operation: 27-24=3 Exploring Operation: 24+10=34, Resulting Numbers: [27, 34] Generated Node #0,1,1: 58:[27, 34] Operation: 24+10=34 Exploring Operation: 10+27=37, Resulting Numbers: [24, 37] Generated Node #0,1,2: 58:[24, 37] Operation: 10+27=37 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 58:[27, 34], Operations: ['72-45=27', '24+10=34'] Exploring Operation: 34-27=7, Resulting Numbers: [7] 7,58 unequal: No Solution Exploring Operation: 27*34=918, Resulting Numbers: [918] 918,58 unequal: No Solution Exploring Operation: 27+34=61, Resulting Numbers: [61] 61,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 58:[10, 3], Operations: ['72-45=27', '27-24=3'] Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,58 unequal: No Solution Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,58 unequal: No Solution Exploring Operation: 10+3=13, Resulting Numbers: [13] 13,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 58:[24, 37], Operations: ['72-45=27', '10+27=37'] Exploring Operation: 37-24=13, Resulting Numbers: [13] 13,58 unequal: No Solution Exploring Operation: 24*37=888, Resulting Numbers: [888] 888,58 unequal: No Solution Exploring Operation: 24+37=61, Resulting Numbers: [61] 61,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[45, 24, 62], Operations: ['72-10=62'] Exploring Operation: 45+24=69, Resulting Numbers: [62, 69] Generated Node #0,0,0: 58:[62, 69] Operation: 45+24=69 Exploring Operation: 45-24=21, Resulting Numbers: [62, 21] Generated Node #0,0,1: 58:[62, 21] Operation: 45-24=21 Exploring Operation: 62-45=17, Resulting Numbers: [24, 17] Generated Node #0,0,2: 58:[24, 17] Operation: 62-45=17 Moving to Node #0,0,1 Current State: 58:[62, 21], Operations: ['72-10=62', '45-24=21'] Exploring Operation: 62-21=41, Resulting Numbers: [41] 41,58 unequal: No Solution Exploring Operation: 62+21=83, Resulting Numbers: [83] 83,58 unequal: No Solution Exploring Operation: 62*21=1302, Resulting Numbers: [1302] 1302,58 unequal: No Solution Moving to Node #0,0,0 Current State: 58:[62, 69], Operations: ['72-10=62', '45+24=69'] Exploring Operation: 62*69=4278, Resulting Numbers: [4278] 4278,58 unequal: No Solution Exploring Operation: 69-62=7, Resulting Numbers: [7] 7,58 unequal: No Solution Exploring Operation: 62+69=131, Resulting Numbers: [131] 131,58 unequal: No Solution Moving to Node #0,0,2 Current State: 58:[24, 17], Operations: ['72-10=62', '62-45=17'] Exploring Operation: 24+17=41, Resulting Numbers: [41] 41,58 unequal: No Solution Exploring Operation: 24*17=408, Resulting Numbers: [408] 408,58 unequal: No Solution Exploring Operation: 24-17=7, Resulting Numbers: [7] 7,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 58:[45, 10, 3], Operations: ['72/24=3'] Exploring Operation: 45-10=35, Resulting Numbers: [3, 35] Generated Node #0,2,0: 58:[3, 35] Operation: 45-10=35 Exploring Operation: 10*3=30, Resulting Numbers: [45, 30] Generated Node #0,2,1: 58:[45, 30] Operation: 10*3=30 Exploring Operation: 45+10=55, Resulting Numbers: [3, 55] Generated Node #0,2,2: 58:[3, 55] Operation: 45+10=55 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 58:[3, 55], Operations: ['72/24=3', '45+10=55'] Exploring Operation: 3*55=165, Resulting Numbers: [165] 165,58 unequal: No Solution Exploring Operation: 3+55=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[72, 45, 24, 10], Operations: [] Exploring Operation: 72/24=3, Resulting Numbers: [45, 10, 3] Generated Node #0,2: 58:[45, 10, 3] Operation: 72/24=3 Moving to Node #0,2 Current State: 58:[45, 10, 3], Operations: ['72/24=3'] Exploring Operation: 45+10=55, Resulting Numbers: [3, 55] Generated Node #0,2,2: 58:[3, 55] Operation: 45+10=55 Moving to Node #0,2,2 Current State: 58:[3, 55], Operations: ['72/24=3', '45+10=55'] Exploring Operation: 3+55=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.96875
hs_3
sum_heuristic
[ 4, 30, 1, 45 ]
60
[ "4*1=4", "45-30=15", "4*15=60" ]
Current State: 60:[4, 30, 1, 45], Operations: [] Exploring Operation: 4*1=4, Resulting Numbers: [30, 45, 4] Generated Node #2: [30, 45, 4] from Operation: 4*1=4 Current State: 60:[30, 45, 4], Operations: ['4*1=4'] Exploring Operation: 45-30=15, Resulting Numbers: [4, 15] Generated Node #3: [4, 15] from Operation: 45-30=15 Current State: 60:[4, 15], Operations: ['4*1=4', '45-30=15'] Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[4, 30, 1, 45], Operations: [] Exploring Operation: 45-30=15, Resulting Numbers: [4, 1, 15] Generated Node #0,0: 60:[4, 1, 15] Operation: 45-30=15 Exploring Operation: 4+45=49, Resulting Numbers: [30, 1, 49] Generated Node #0,1: 60:[30, 1, 49] Operation: 4+45=49 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[4, 1, 15], Operations: ['45-30=15'] Exploring Operation: 4*1=4, Resulting Numbers: [15, 4] Generated Node #0,0,0: 60:[15, 4] Operation: 4*1=4 Exploring Operation: 4+1=5, Resulting Numbers: [15, 5] Generated Node #0,0,1: 60:[15, 5] Operation: 4+1=5 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 60:[15, 4], Operations: ['45-30=15', '4*1=4'] Exploring Operation: 15*4=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[4, 30, 1, 45], Operations: [] Exploring Operation: 45-30=15, Resulting Numbers: [4, 1, 15] Generated Node #0,0: 60:[4, 1, 15] Operation: 45-30=15 Moving to Node #0,0 Current State: 60:[4, 1, 15], Operations: ['45-30=15'] Exploring Operation: 4*1=4, Resulting Numbers: [15, 4] Generated Node #0,0,0: 60:[15, 4] Operation: 4*1=4 Moving to Node #0,0,0 Current State: 60:[15, 4], Operations: ['45-30=15', '4*1=4'] Exploring Operation: 15*4=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 10, 34, 71, 44 ]
29
[ "44-34=10", "10*10=100", "100-71=29" ]
Current State: 29:[10, 34, 71, 44], Operations: [] Exploring Operation: 44-34=10, Resulting Numbers: [10, 71, 10] Generated Node #2: [10, 71, 10] from Operation: 44-34=10 Current State: 29:[10, 71, 10], Operations: ['44-34=10'] Exploring Operation: 10*10=100, Resulting Numbers: [71, 100] Generated Node #3: [71, 100] from Operation: 10*10=100 Current State: 29:[71, 100], Operations: ['44-34=10', '10*10=100'] Exploring Operation: 100-71=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[10, 34, 71, 44], Operations: [] Exploring Operation: 44-10=34, Resulting Numbers: [34, 71, 34] Generated Node #0,0: 29:[34, 71, 34] Operation: 44-10=34 Exploring Operation: 34-10=24, Resulting Numbers: [71, 44, 24] Generated Node #0,1: 29:[71, 44, 24] Operation: 34-10=24 Exploring Operation: 71-34=37, Resulting Numbers: [10, 44, 37] Generated Node #0,2: 29:[10, 44, 37] Operation: 71-34=37 Exploring Operation: 71-10=61, Resulting Numbers: [34, 44, 61] Generated Node #0,3: 29:[34, 44, 61] Operation: 71-10=61 Exploring Operation: 71-44=27, Resulting Numbers: [10, 34, 27] Generated Node #0,4: 29:[10, 34, 27] Operation: 71-44=27 Start Sub Search at level 1: Moving to Node #0,4 Current State: 29:[10, 34, 27], Operations: ['71-44=27'] Exploring Operation: 10+34=44, Resulting Numbers: [27, 44] Generated Node #0,4,0: 29:[27, 44] Operation: 10+34=44 Exploring Operation: 34-27=7, Resulting Numbers: [10, 7] Generated Node #0,4,1: 29:[10, 7] Operation: 34-27=7 Exploring Operation: 34-10=24, Resulting Numbers: [27, 24] Generated Node #0,4,2: 29:[27, 24] Operation: 34-10=24 Exploring Operation: 10+27=37, Resulting Numbers: [34, 37] Generated Node #0,4,3: 29:[34, 37] Operation: 10+27=37 Exploring Operation: 27-10=17, Resulting Numbers: [34, 17] Generated Node #0,4,4: 29:[34, 17] Operation: 27-10=17 Moving to Node #0,4,2 Current State: 29:[27, 24], Operations: ['71-44=27', '34-10=24'] Exploring Operation: 27-24=3, Resulting Numbers: [3] 3,29 unequal: No Solution Exploring Operation: 27+24=51, Resulting Numbers: [51] 51,29 unequal: No Solution Exploring Operation: 27*24=648, Resulting Numbers: [648] 648,29 unequal: No Solution Moving to Node #0,4,3 Current State: 29:[34, 37], Operations: ['71-44=27', '10+27=37'] Exploring Operation: 34+37=71, Resulting Numbers: [71] 71,29 unequal: No Solution Exploring Operation: 37-34=3, Resulting Numbers: [3] 3,29 unequal: No Solution Exploring Operation: 34*37=1258, Resulting Numbers: [1258] 1258,29 unequal: No Solution Moving to Node #0,4,0 Current State: 29:[27, 44], Operations: ['71-44=27', '10+34=44'] Exploring Operation: 44-27=17, Resulting Numbers: [17] 17,29 unequal: No Solution Exploring Operation: 27+44=71, Resulting Numbers: [71] 71,29 unequal: No Solution Exploring Operation: 27*44=1188, Resulting Numbers: [1188] 1188,29 unequal: No Solution Moving to Node #0,4,4 Current State: 29:[34, 17], Operations: ['71-44=27', '27-10=17'] Exploring Operation: 34+17=51, Resulting Numbers: [51] 51,29 unequal: No Solution Exploring Operation: 34*17=578, Resulting Numbers: [578] 578,29 unequal: No Solution Exploring Operation: 34/17=2, Resulting Numbers: [2] 2,29 unequal: No Solution Exploring Operation: 34-17=17, Resulting Numbers: [17] 17,29 unequal: No Solution Moving to Node #0,4,1 Current State: 29:[10, 7], Operations: ['71-44=27', '34-27=7'] Exploring Operation: 10-7=3, Resulting Numbers: [3] 3,29 unequal: No Solution Exploring Operation: 10*7=70, Resulting Numbers: [70] 70,29 unequal: No Solution Exploring Operation: 10+7=17, Resulting Numbers: [17] 17,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 29:[10, 44, 37], Operations: ['71-34=37'] Exploring Operation: 10+44=54, Resulting Numbers: [37, 54] Generated Node #0,2,0: 29:[37, 54] Operation: 10+44=54 Exploring Operation: 44-37=7, Resulting Numbers: [10, 7] Generated Node #0,2,1: 29:[10, 7] Operation: 44-37=7 Exploring Operation: 37-10=27, Resulting Numbers: [44, 27] Generated Node #0,2,2: 29:[44, 27] Operation: 37-10=27 Exploring Operation: 10+37=47, Resulting Numbers: [44, 47] Generated Node #0,2,3: 29:[44, 47] Operation: 10+37=47 Exploring Operation: 44-10=34, Resulting Numbers: [37, 34] Generated Node #0,2,4: 29:[37, 34] Operation: 44-10=34 Moving to Node #0,2,4 Current State: 29:[37, 34], Operations: ['71-34=37', '44-10=34'] Exploring Operation: 37+34=71, Resulting Numbers: [71] 71,29 unequal: No Solution Exploring Operation: 37*34=1258, Resulting Numbers: [1258] 1258,29 unequal: No Solution Exploring Operation: 37-34=3, Resulting Numbers: [3] 3,29 unequal: No Solution Moving to Node #0,2,2 Current State: 29:[44, 27], Operations: ['71-34=37', '37-10=27'] Exploring Operation: 44-27=17, Resulting Numbers: [17] 17,29 unequal: No Solution Exploring Operation: 44*27=1188, Resulting Numbers: [1188] 1188,29 unequal: No Solution Exploring Operation: 44+27=71, Resulting Numbers: [71] 71,29 unequal: No Solution Moving to Node #0,2,0 Current State: 29:[37, 54], Operations: ['71-34=37', '10+44=54'] Exploring Operation: 54-37=17, Resulting Numbers: [17] 17,29 unequal: No Solution Exploring Operation: 37*54=1998, Resulting Numbers: [1998] 1998,29 unequal: No Solution Exploring Operation: 37+54=91, Resulting Numbers: [91] 91,29 unequal: No Solution Moving to Node #0,2,3 Current State: 29:[44, 47], Operations: ['71-34=37', '10+37=47'] Exploring Operation: 44+47=91, Resulting Numbers: [91] 91,29 unequal: No Solution Exploring Operation: 44*47=2068, Resulting Numbers: [2068] 2068,29 unequal: No Solution Exploring Operation: 47-44=3, Resulting Numbers: [3] 3,29 unequal: No Solution Moving to Node #0,2,1 Current State: 29:[10, 7], Operations: ['71-34=37', '44-37=7'] Exploring Operation: 10-7=3, Resulting Numbers: [3] 3,29 unequal: No Solution Exploring Operation: 10+7=17, Resulting Numbers: [17] 17,29 unequal: No Solution Exploring Operation: 10*7=70, Resulting Numbers: [70] 70,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[34, 71, 34], Operations: ['44-10=34'] Exploring Operation: 71-34=37, Resulting Numbers: [34, 37] Generated Node #0,0,0: 29:[34, 37] Operation: 71-34=37 Exploring Operation: 71-34=37, Resulting Numbers: [34, 37] Generated Node #0,0,1: 29:[34, 37] Operation: 71-34=37 Exploring Operation: 34-34=0, Resulting Numbers: [71, 0] Generated Node #0,0,2: 29:[71, 0] Operation: 34-34=0 Exploring Operation: 34/34=1, Resulting Numbers: [71, 1] Generated Node #0,0,3: 29:[71, 1] Operation: 34/34=1 Exploring Operation: 34+71=105, Resulting Numbers: [34, 105] Generated Node #0,0,4: 29:[34, 105] Operation: 34+71=105 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 29:[34, 37], Operations: ['44-10=34', '71-34=37'] Exploring Operation: 34+37=71, Resulting Numbers: [71] 71,29 unequal: No Solution Exploring Operation: 37-34=3, Resulting Numbers: [3] 3,29 unequal: No Solution Exploring Operation: 34*37=1258, Resulting Numbers: [1258] 1258,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 29:[34, 37], Operations: ['44-10=34', '71-34=37'] Exploring Operation: 34*37=1258, Resulting Numbers: [1258] 1258,29 unequal: No Solution Exploring Operation: 37-34=3, Resulting Numbers: [3] 3,29 unequal: No Solution Exploring Operation: 34+37=71, Resulting Numbers: [71] 71,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 29:[71, 1], Operations: ['44-10=34', '34/34=1'] Exploring Operation: 71-1=70, Resulting Numbers: [70] 70,29 unequal: No Solution Exploring Operation: 71+1=72, Resulting Numbers: [72] 72,29 unequal: No Solution Exploring Operation: 71*1=71, Resulting Numbers: [71] 71,29 unequal: No Solution Exploring Operation: 71/1=71, Resulting Numbers: [71] 71,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 29:[71, 0], Operations: ['44-10=34', '34-34=0'] Exploring Operation: 71-0=71, Resulting Numbers: [71] 71,29 unequal: No Solution Exploring Operation: 71+0=71, Resulting Numbers: [71] 71,29 unequal: No Solution Exploring Operation: 71*0=0, Resulting Numbers: [0] 0,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 29:[34, 105], Operations: ['44-10=34', '34+71=105'] Exploring Operation: 34*105=3570, Resulting Numbers: [3570] 3570,29 unequal: No Solution Exploring Operation: 105-34=71, Resulting Numbers: [71] 71,29 unequal: No Solution Exploring Operation: 34+105=139, Resulting Numbers: [139] 139,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 29:[34, 44, 61], Operations: ['71-10=61'] Exploring Operation: 34+61=95, Resulting Numbers: [44, 95] Generated Node #0,3,0: 29:[44, 95] Operation: 34+61=95 Exploring Operation: 61-44=17, Resulting Numbers: [34, 17] Generated Node #0,3,1: 29:[34, 17] Operation: 61-44=17 Exploring Operation: 34+44=78, Resulting Numbers: [61, 78] Generated Node #0,3,2: 29:[61, 78] Operation: 34+44=78 Exploring Operation: 61-34=27, Resulting Numbers: [44, 27] Generated Node #0,3,3: 29:[44, 27] Operation: 61-34=27 Exploring Operation: 44-34=10, Resulting Numbers: [61, 10] Generated Node #0,3,4: 29:[61, 10] Operation: 44-34=10 Moving to Node #0,3,1 Current State: 29:[34, 17], Operations: ['71-10=61', '61-44=17'] Exploring Operation: 34*17=578, Resulting Numbers: [578] 578,29 unequal: No Solution Exploring Operation: 34/17=2, Resulting Numbers: [2] 2,29 unequal: No Solution Exploring Operation: 34+17=51, Resulting Numbers: [51] 51,29 unequal: No Solution Exploring Operation: 34-17=17, Resulting Numbers: [17] 17,29 unequal: No Solution Moving to Node #0,3,3 Current State: 29:[44, 27], Operations: ['71-10=61', '61-34=27'] Exploring Operation: 44-27=17, Resulting Numbers: [17] 17,29 unequal: No Solution Exploring Operation: 44+27=71, Resulting Numbers: [71] 71,29 unequal: No Solution Exploring Operation: 44*27=1188, Resulting Numbers: [1188] 1188,29 unequal: No Solution Moving to Node #0,3,4 Current State: 29:[61, 10], Operations: ['71-10=61', '44-34=10'] Exploring Operation: 61+10=71, Resulting Numbers: [71] 71,29 unequal: No Solution Exploring Operation: 61-10=51, Resulting Numbers: [51] 51,29 unequal: No Solution Exploring Operation: 61*10=610, Resulting Numbers: [610] 610,29 unequal: No Solution Moving to Node #0,3,0 Current State: 29:[44, 95], Operations: ['71-10=61', '34+61=95'] Exploring Operation: 44+95=139, Resulting Numbers: [139] 139,29 unequal: No Solution Exploring Operation: 44*95=4180, Resulting Numbers: [4180] 4180,29 unequal: No Solution Exploring Operation: 95-44=51, Resulting Numbers: [51] 51,29 unequal: No Solution Moving to Node #0,3,2 Current State: 29:[61, 78], Operations: ['71-10=61', '34+44=78'] Exploring Operation: 61+78=139, Resulting Numbers: [139] 139,29 unequal: No Solution Exploring Operation: 78-61=17, Resulting Numbers: [17] 17,29 unequal: No Solution Exploring Operation: 61*78=4758, Resulting Numbers: [4758] 4758,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[71, 44, 24], Operations: ['34-10=24'] Exploring Operation: 44-24=20, Resulting Numbers: [71, 20] Generated Node #0,1,0: 29:[71, 20] Operation: 44-24=20 Exploring Operation: 71+24=95, Resulting Numbers: [44, 95] Generated Node #0,1,1: 29:[44, 95] Operation: 71+24=95 Exploring Operation: 71-44=27, Resulting Numbers: [24, 27] Generated Node #0,1,2: 29:[24, 27] Operation: 71-44=27 Exploring Operation: 44+24=68, Resulting Numbers: [71, 68] Generated Node #0,1,3: 29:[71, 68] Operation: 44+24=68 Exploring Operation: 71-24=47, Resulting Numbers: [44, 47] Generated Node #0,1,4: 29:[44, 47] Operation: 71-24=47 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 29:[24, 27], Operations: ['34-10=24', '71-44=27'] Exploring Operation: 27-24=3, Resulting Numbers: [3] 3,29 unequal: No Solution Exploring Operation: 24*27=648, Resulting Numbers: [648] 648,29 unequal: No Solution Exploring Operation: 24+27=51, Resulting Numbers: [51] 51,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 29:[44, 47], Operations: ['34-10=24', '71-24=47'] Exploring Operation: 44*47=2068, Resulting Numbers: [2068] 2068,29 unequal: No Solution Exploring Operation: 47-44=3, Resulting Numbers: [3] 3,29 unequal: No Solution Exploring Operation: 44+47=91, Resulting Numbers: [91] 91,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 29:[71, 20], Operations: ['34-10=24', '44-24=20'] Exploring Operation: 71*20=1420, Resulting Numbers: [1420] 1420,29 unequal: No Solution Exploring Operation: 71-20=51, Resulting Numbers: [51] 51,29 unequal: No Solution Exploring Operation: 71+20=91, Resulting Numbers: [91] 91,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 29:[44, 95], Operations: ['34-10=24', '71+24=95'] Exploring Operation: 95-44=51, Resulting Numbers: [51] 51,29 unequal: No Solution Exploring Operation: 44+95=139, Resulting Numbers: [139] 139,29 unequal: No Solution Exploring Operation: 44*95=4180, Resulting Numbers: [4180] 4180,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 29:[71, 68], Operations: ['34-10=24', '44+24=68'] Exploring Operation: 71*68=4828, Resulting Numbers: [4828] 4828,29 unequal: No Solution Exploring Operation: 71+68=139, Resulting Numbers: [139] 139,29 unequal: No Solution Exploring Operation: 71-68=3, Resulting Numbers: [3] 3,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 50, 9, 47, 94 ]
57
[ "50+9=59", "94/47=2", "59-2=57" ]
Current State: 57:[50, 9, 47, 94], Operations: [] Exploring Operation: 50+9=59, Resulting Numbers: [47, 94, 59] Generated Node #2: [47, 94, 59] from Operation: 50+9=59 Current State: 57:[47, 94, 59], Operations: ['50+9=59'] Exploring Operation: 94/47=2, Resulting Numbers: [59, 2] Generated Node #3: [59, 2] from Operation: 94/47=2 Current State: 57:[59, 2], Operations: ['50+9=59', '94/47=2'] Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[50, 9, 47, 94], Operations: [] Exploring Operation: 94/47=2, Resulting Numbers: [50, 9, 2] Generated Node #0,0: 57:[50, 9, 2] Operation: 94/47=2 Exploring Operation: 94-50=44, Resulting Numbers: [9, 47, 44] Generated Node #0,1: 57:[9, 47, 44] Operation: 94-50=44 Exploring Operation: 94-47=47, Resulting Numbers: [50, 9, 47] Generated Node #0,2: 57:[50, 9, 47] Operation: 94-47=47 Exploring Operation: 9+47=56, Resulting Numbers: [50, 94, 56] Generated Node #0,3: 57:[50, 94, 56] Operation: 9+47=56 Exploring Operation: 50-47=3, Resulting Numbers: [9, 94, 3] Generated Node #0,4: 57:[9, 94, 3] Operation: 50-47=3 Moving to Node #0,0 Current State: 57:[50, 9, 2], Operations: ['94/47=2'] Exploring Operation: 50+9=59, Resulting Numbers: [2, 59] Generated Node #0,0,0: 57:[2, 59] Operation: 50+9=59 Exploring Operation: 50/2=25, Resulting Numbers: [9, 25] Generated Node #0,0,1: 57:[9, 25] Operation: 50/2=25 Exploring Operation: 9*2=18, Resulting Numbers: [50, 18] Generated Node #0,0,2: 57:[50, 18] Operation: 9*2=18 Exploring Operation: 9-2=7, Resulting Numbers: [50, 7] Generated Node #0,0,3: 57:[50, 7] Operation: 9-2=7 Exploring Operation: 50+2=52, Resulting Numbers: [9, 52] Generated Node #0,0,4: 57:[9, 52] Operation: 50+2=52 Moving to Node #0,2 Current State: 57:[50, 9, 47], Operations: ['94-47=47'] Exploring Operation: 50+9=59, Resulting Numbers: [47, 59] Generated Node #0,2,0: 57:[47, 59] Operation: 50+9=59 Exploring Operation: 50-9=41, Resulting Numbers: [47, 41] Generated Node #0,2,1: 57:[47, 41] Operation: 50-9=41 Exploring Operation: 47-9=38, Resulting Numbers: [50, 38] Generated Node #0,2,2: 57:[50, 38] Operation: 47-9=38 Exploring Operation: 9+47=56, Resulting Numbers: [50, 56] Generated Node #0,2,3: 57:[50, 56] Operation: 9+47=56 Exploring Operation: 50-47=3, Resulting Numbers: [9, 3] Generated Node #0,2,4: 57:[9, 3] Operation: 50-47=3 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 57:[9, 3], Operations: ['94-47=47', '50-47=3'] Exploring Operation: 9+3=12, Resulting Numbers: [12] 12,57 unequal: No Solution Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,57 unequal: No Solution Exploring Operation: 9*3=27, Resulting Numbers: [27] 27,57 unequal: No Solution Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 57:[50, 56], Operations: ['94-47=47', '9+47=56'] Exploring Operation: 50+56=106, Resulting Numbers: [106] 106,57 unequal: No Solution Exploring Operation: 56-50=6, Resulting Numbers: [6] 6,57 unequal: No Solution Exploring Operation: 50*56=2800, Resulting Numbers: [2800] 2800,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 57:[47, 59], Operations: ['94-47=47', '50+9=59'] Exploring Operation: 47*59=2773, Resulting Numbers: [2773] 2773,57 unequal: No Solution Exploring Operation: 47+59=106, Resulting Numbers: [106] 106,57 unequal: No Solution Exploring Operation: 59-47=12, Resulting Numbers: [12] 12,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 57:[47, 41], Operations: ['94-47=47', '50-9=41'] Exploring Operation: 47+41=88, Resulting Numbers: [88] 88,57 unequal: No Solution Exploring Operation: 47-41=6, Resulting Numbers: [6] 6,57 unequal: No Solution Exploring Operation: 47*41=1927, Resulting Numbers: [1927] 1927,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 57:[50, 38], Operations: ['94-47=47', '47-9=38'] Exploring Operation: 50-38=12, Resulting Numbers: [12] 12,57 unequal: No Solution Exploring Operation: 50+38=88, Resulting Numbers: [88] 88,57 unequal: No Solution Exploring Operation: 50*38=1900, Resulting Numbers: [1900] 1900,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 57:[9, 47, 44], Operations: ['94-50=44'] Exploring Operation: 47-9=38, Resulting Numbers: [44, 38] Generated Node #0,1,0: 57:[44, 38] Operation: 47-9=38 Exploring Operation: 47-44=3, Resulting Numbers: [9, 3] Generated Node #0,1,1: 57:[9, 3] Operation: 47-44=3 Exploring Operation: 9+47=56, Resulting Numbers: [44, 56] Generated Node #0,1,2: 57:[44, 56] Operation: 9+47=56 Exploring Operation: 9+44=53, Resulting Numbers: [47, 53] Generated Node #0,1,3: 57:[47, 53] Operation: 9+44=53 Exploring Operation: 44-9=35, Resulting Numbers: [47, 35] Generated Node #0,1,4: 57:[47, 35] Operation: 44-9=35 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 57:[9, 3], Operations: ['94-50=44', '47-44=3'] Exploring Operation: 9+3=12, Resulting Numbers: [12] 12,57 unequal: No Solution Exploring Operation: 9*3=27, Resulting Numbers: [27] 27,57 unequal: No Solution Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,57 unequal: No Solution Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 57:[44, 56], Operations: ['94-50=44', '9+47=56'] Exploring Operation: 44+56=100, Resulting Numbers: [100] 100,57 unequal: No Solution Exploring Operation: 56-44=12, Resulting Numbers: [12] 12,57 unequal: No Solution Exploring Operation: 44*56=2464, Resulting Numbers: [2464] 2464,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 57:[47, 53], Operations: ['94-50=44', '9+44=53'] Exploring Operation: 47*53=2491, Resulting Numbers: [2491] 2491,57 unequal: No Solution Exploring Operation: 47+53=100, Resulting Numbers: [100] 100,57 unequal: No Solution Exploring Operation: 53-47=6, Resulting Numbers: [6] 6,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 57:[47, 35], Operations: ['94-50=44', '44-9=35'] Exploring Operation: 47*35=1645, Resulting Numbers: [1645] 1645,57 unequal: No Solution Exploring Operation: 47+35=82, Resulting Numbers: [82] 82,57 unequal: No Solution Exploring Operation: 47-35=12, Resulting Numbers: [12] 12,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 57:[44, 38], Operations: ['94-50=44', '47-9=38'] Exploring Operation: 44-38=6, Resulting Numbers: [6] 6,57 unequal: No Solution Exploring Operation: 44+38=82, Resulting Numbers: [82] 82,57 unequal: No Solution Exploring Operation: 44*38=1672, Resulting Numbers: [1672] 1672,57 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: 57:[9, 94, 3], Operations: ['50-47=3'] Exploring Operation: 94-9=85, Resulting Numbers: [3, 85] Generated Node #0,4,0: 57:[3, 85] Operation: 94-9=85 Exploring Operation: 94-3=91, Resulting Numbers: [9, 91] Generated Node #0,4,1: 57:[9, 91] Operation: 94-3=91 Exploring Operation: 9+3=12, Resulting Numbers: [94, 12] Generated Node #0,4,2: 57:[94, 12] Operation: 9+3=12 Exploring Operation: 9/3=3, Resulting Numbers: [94, 3] Generated Node #0,4,3: 57:[94, 3] Operation: 9/3=3 Exploring Operation: 9-3=6, Resulting Numbers: [94, 6] Generated Node #0,4,4: 57:[94, 6] Operation: 9-3=6 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 57:[3, 85], Operations: ['50-47=3', '94-9=85'] Exploring Operation: 3+85=88, Resulting Numbers: [88] 88,57 unequal: No Solution Exploring Operation: 85-3=82, Resulting Numbers: [82] 82,57 unequal: No Solution Exploring Operation: 3*85=255, Resulting Numbers: [255] 255,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 57:[94, 3], Operations: ['50-47=3', '9/3=3'] Exploring Operation: 94*3=282, Resulting Numbers: [282] 282,57 unequal: No Solution Exploring Operation: 94-3=91, Resulting Numbers: [91] 91,57 unequal: No Solution Exploring Operation: 94+3=97, Resulting Numbers: [97] 97,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 57:[9, 91], Operations: ['50-47=3', '94-3=91'] Exploring Operation: 9+91=100, Resulting Numbers: [100] 100,57 unequal: No Solution Exploring Operation: 91-9=82, Resulting Numbers: [82] 82,57 unequal: No Solution Exploring Operation: 9*91=819, Resulting Numbers: [819] 819,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 57:[94, 6], Operations: ['50-47=3', '9-3=6'] Exploring Operation: 94*6=564, Resulting Numbers: [564] 564,57 unequal: No Solution Exploring Operation: 94+6=100, Resulting Numbers: [100] 100,57 unequal: No Solution Exploring Operation: 94-6=88, Resulting Numbers: [88] 88,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 57:[94, 12], Operations: ['50-47=3', '9+3=12'] Exploring Operation: 94*12=1128, Resulting Numbers: [1128] 1128,57 unequal: No Solution Exploring Operation: 94-12=82, Resulting Numbers: [82] 82,57 unequal: No Solution Exploring Operation: 94+12=106, Resulting Numbers: [106] 106,57 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: 57:[50, 94, 56], Operations: ['9+47=56'] Exploring Operation: 94-50=44, Resulting Numbers: [56, 44] Generated Node #0,3,0: 57:[56, 44] Operation: 94-50=44 Exploring Operation: 94-56=38, Resulting Numbers: [50, 38] Generated Node #0,3,1: 57:[50, 38] Operation: 94-56=38 Exploring Operation: 56-50=6, Resulting Numbers: [94, 6] Generated Node #0,3,2: 57:[94, 6] Operation: 56-50=6 Exploring Operation: 50+56=106, Resulting Numbers: [94, 106] Generated Node #0,3,3: 57:[94, 106] Operation: 50+56=106 Exploring Operation: 50+94=144, Resulting Numbers: [56, 144] Generated Node #0,3,4: 57:[56, 144] Operation: 50+94=144 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 57:[56, 44], Operations: ['9+47=56', '94-50=44'] Exploring Operation: 56-44=12, Resulting Numbers: [12] 12,57 unequal: No Solution Exploring Operation: 56*44=2464, Resulting Numbers: [2464] 2464,57 unequal: No Solution Exploring Operation: 56+44=100, Resulting Numbers: [100] 100,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 57:[50, 38], Operations: ['9+47=56', '94-56=38'] Exploring Operation: 50+38=88, Resulting Numbers: [88] 88,57 unequal: No Solution Exploring Operation: 50*38=1900, Resulting Numbers: [1900] 1900,57 unequal: No Solution Exploring Operation: 50-38=12, Resulting Numbers: [12] 12,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 57:[94, 6], Operations: ['9+47=56', '56-50=6'] Exploring Operation: 94-6=88, Resulting Numbers: [88] 88,57 unequal: No Solution Exploring Operation: 94+6=100, Resulting Numbers: [100] 100,57 unequal: No Solution Exploring Operation: 94*6=564, Resulting Numbers: [564] 564,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 57:[94, 106], Operations: ['9+47=56', '50+56=106'] Exploring Operation: 94+106=200, Resulting Numbers: [200] 200,57 unequal: No Solution Exploring Operation: 106-94=12, Resulting Numbers: [12] 12,57 unequal: No Solution Exploring Operation: 94*106=9964, Resulting Numbers: [9964] 9964,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 57:[56, 144], Operations: ['9+47=56', '50+94=144'] Exploring Operation: 56+144=200, Resulting Numbers: [200] 200,57 unequal: No Solution Exploring Operation: 144-56=88, Resulting Numbers: [88] 88,57 unequal: No Solution Exploring Operation: 56*144=8064, Resulting Numbers: [8064] 8064,57 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: 57:[2, 59], Operations: ['94/47=2', '50+9=59'] Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[50, 9, 47, 94], Operations: [] Exploring Operation: 94/47=2, Resulting Numbers: [50, 9, 2] Generated Node #0,0: 57:[50, 9, 2] Operation: 94/47=2 Moving to Node #0,0 Current State: 57:[50, 9, 2], Operations: ['94/47=2'] Exploring Operation: 50+9=59, Resulting Numbers: [2, 59] Generated Node #0,0,0: 57:[2, 59] Operation: 50+9=59 Moving to Node #0,0,0 Current State: 57:[2, 59], Operations: ['94/47=2', '50+9=59'] Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
0.915799
hs_5
mult_heuristic
[ 20, 75, 10, 55 ]
70
[ "20*10=200", "75+55=130", "200-130=70" ]
Current State: 70:[20, 75, 10, 55], Operations: [] Exploring Operation: 20*10=200, Resulting Numbers: [75, 55, 200] Generated Node #2: [75, 55, 200] from Operation: 20*10=200 Current State: 70:[75, 55, 200], Operations: ['20*10=200'] Exploring Operation: 75+55=130, Resulting Numbers: [200, 130] Generated Node #3: [200, 130] from Operation: 75+55=130 Current State: 70:[200, 130], Operations: ['20*10=200', '75+55=130'] Exploring Operation: 200-130=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[20, 75, 10, 55], Operations: [] Exploring Operation: 10+55=65, Resulting Numbers: [20, 75, 65] Generated Node #0,0: 70:[20, 75, 65] Operation: 10+55=65 Exploring Operation: 20+55=75, Resulting Numbers: [75, 10, 75] Generated Node #0,1: 70:[75, 10, 75] Operation: 20+55=75 Exploring Operation: 75-55=20, Resulting Numbers: [20, 10, 20] Generated Node #0,2: 70:[20, 10, 20] Operation: 75-55=20 Exploring Operation: 55-20=35, Resulting Numbers: [75, 10, 35] Generated Node #0,3: 70:[75, 10, 35] Operation: 55-20=35 Moving to Node #0,3 Current State: 70:[75, 10, 35], Operations: ['55-20=35'] Exploring Operation: 75-10=65, Resulting Numbers: [35, 65] Generated Node #0,3,0: 70:[35, 65] Operation: 75-10=65 Exploring Operation: 10+35=45, Resulting Numbers: [75, 45] Generated Node #0,3,1: 70:[75, 45] Operation: 10+35=45 Exploring Operation: 75-35=40, Resulting Numbers: [10, 40] Generated Node #0,3,2: 70:[10, 40] Operation: 75-35=40 Exploring Operation: 75+10=85, Resulting Numbers: [35, 85] Generated Node #0,3,3: 70:[35, 85] Operation: 75+10=85 Moving to Node #0,1 Current State: 70:[75, 10, 75], Operations: ['20+55=75'] Exploring Operation: 75/75=1, Resulting Numbers: [10, 1] Generated Node #0,1,0: 70:[10, 1] Operation: 75/75=1 Exploring Operation: 75-75=0, Resulting Numbers: [10, 0] Generated Node #0,1,1: 70:[10, 0] Operation: 75-75=0 Exploring Operation: 75-10=65, Resulting Numbers: [75, 65] Generated Node #0,1,2: 70:[75, 65] Operation: 75-10=65 Exploring Operation: 75-10=65, Resulting Numbers: [75, 65] Generated Node #0,1,3: 70:[75, 65] Operation: 75-10=65 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 70:[10, 1], Operations: ['20+55=75', '75/75=1'] Exploring Operation: 10*1=10, Resulting Numbers: [10] 10,70 unequal: No Solution Exploring Operation: 10+1=11, Resulting Numbers: [11] 11,70 unequal: No Solution Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,70 unequal: No Solution Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,70 unequal: No Solution No 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: 70:[10, 0], Operations: ['20+55=75', '75-75=0'] Exploring Operation: 10+0=10, Resulting Numbers: [10] 10,70 unequal: No Solution Exploring Operation: 10-0=10, Resulting Numbers: [10] 10,70 unequal: No Solution Exploring Operation: 10*0=0, Resulting Numbers: [0] 0,70 unequal: No Solution No 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: 70:[75, 65], Operations: ['20+55=75', '75-10=65'] Exploring Operation: 75-65=10, Resulting Numbers: [10] 10,70 unequal: No Solution Exploring Operation: 75*65=4875, Resulting Numbers: [4875] 4875,70 unequal: No Solution Exploring Operation: 75+65=140, Resulting Numbers: [140] 140,70 unequal: No Solution No 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: 70:[75, 65], Operations: ['20+55=75', '75-10=65'] Exploring Operation: 75-65=10, Resulting Numbers: [10] 10,70 unequal: No Solution Exploring Operation: 75*65=4875, Resulting Numbers: [4875] 4875,70 unequal: No Solution Exploring Operation: 75+65=140, Resulting Numbers: [140] 140,70 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: 70:[20, 10, 20], Operations: ['75-55=20'] Exploring Operation: 20-20=0, Resulting Numbers: [10, 0] Generated Node #0,2,0: 70:[10, 0] Operation: 20-20=0 Exploring Operation: 20-10=10, Resulting Numbers: [20, 10] Generated Node #0,2,1: 70:[20, 10] Operation: 20-10=10 Exploring Operation: 20+20=40, Resulting Numbers: [10, 40] Generated Node #0,2,2: 70:[10, 40] Operation: 20+20=40 Exploring Operation: 20/20=1, Resulting Numbers: [10, 1] Generated Node #0,2,3: 70:[10, 1] Operation: 20/20=1 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 70:[10, 1], Operations: ['75-55=20', '20/20=1'] Exploring Operation: 10*1=10, Resulting Numbers: [10] 10,70 unequal: No Solution Exploring Operation: 10+1=11, Resulting Numbers: [11] 11,70 unequal: No Solution Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,70 unequal: No Solution Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,70 unequal: No Solution No 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: 70:[10, 0], Operations: ['75-55=20', '20-20=0'] Exploring Operation: 10+0=10, Resulting Numbers: [10] 10,70 unequal: No Solution Exploring Operation: 10-0=10, Resulting Numbers: [10] 10,70 unequal: No Solution Exploring Operation: 10*0=0, Resulting Numbers: [0] 0,70 unequal: No Solution No 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: 70:[10, 40], Operations: ['75-55=20', '20+20=40'] Exploring Operation: 10*40=400, Resulting Numbers: [400] 400,70 unequal: No Solution Exploring Operation: 10+40=50, Resulting Numbers: [50] 50,70 unequal: No Solution Exploring Operation: 40/10=4, Resulting Numbers: [4] 4,70 unequal: No Solution Exploring Operation: 40-10=30, Resulting Numbers: [30] 30,70 unequal: No Solution No 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: 70:[20, 10], Operations: ['75-55=20', '20-10=10'] Exploring Operation: 20-10=10, Resulting Numbers: [10] 10,70 unequal: No Solution Exploring Operation: 20*10=200, Resulting Numbers: [200] 200,70 unequal: No Solution Exploring Operation: 20/10=2, Resulting Numbers: [2] 2,70 unequal: No Solution Exploring Operation: 20+10=30, Resulting Numbers: [30] 30,70 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: 70:[20, 75, 65], Operations: ['10+55=65'] Exploring Operation: 75-65=10, Resulting Numbers: [20, 10] Generated Node #0,0,0: 70:[20, 10] Operation: 75-65=10 Exploring Operation: 20+65=85, Resulting Numbers: [75, 85] Generated Node #0,0,1: 70:[75, 85] Operation: 20+65=85 Exploring Operation: 75-20=55, Resulting Numbers: [65, 55] Generated Node #0,0,2: 70:[65, 55] Operation: 75-20=55 Exploring Operation: 65-20=45, Resulting Numbers: [75, 45] Generated Node #0,0,3: 70:[75, 45] Operation: 65-20=45 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 70:[20, 10], Operations: ['10+55=65', '75-65=10'] Exploring Operation: 20/10=2, Resulting Numbers: [2] 2,70 unequal: No Solution Exploring Operation: 20+10=30, Resulting Numbers: [30] 30,70 unequal: No Solution Exploring Operation: 20*10=200, Resulting Numbers: [200] 200,70 unequal: No Solution Exploring Operation: 20-10=10, Resulting Numbers: [10] 10,70 unequal: No Solution No 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: 70:[75, 45], Operations: ['10+55=65', '65-20=45'] Exploring Operation: 75*45=3375, Resulting Numbers: [3375] 3375,70 unequal: No Solution Exploring Operation: 75-45=30, Resulting Numbers: [30] 30,70 unequal: No Solution Exploring Operation: 75+45=120, Resulting Numbers: [120] 120,70 unequal: No Solution No 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: 70:[75, 85], Operations: ['10+55=65', '20+65=85'] Exploring Operation: 75*85=6375, Resulting Numbers: [6375] 6375,70 unequal: No Solution Exploring Operation: 85-75=10, Resulting Numbers: [10] 10,70 unequal: No Solution Exploring Operation: 75+85=160, Resulting Numbers: [160] 160,70 unequal: No Solution No 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: 70:[65, 55], Operations: ['10+55=65', '75-20=55'] Exploring Operation: 65*55=3575, Resulting Numbers: [3575] 3575,70 unequal: No Solution Exploring Operation: 65+55=120, Resulting Numbers: [120] 120,70 unequal: No Solution Exploring Operation: 65-55=10, Resulting Numbers: [10] 10,70 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: 70:[35, 65], Operations: ['55-20=35', '75-10=65'] Exploring Operation: 35+65=100, Resulting Numbers: [100] 100,70 unequal: No Solution Exploring Operation: 65-35=30, Resulting Numbers: [30] 30,70 unequal: No Solution Exploring Operation: 35*65=2275, Resulting Numbers: [2275] 2275,70 unequal: No Solution Moving to Node #0,3,2 Current State: 70:[10, 40], Operations: ['55-20=35', '75-35=40'] Exploring Operation: 40/10=4, Resulting Numbers: [4] 4,70 unequal: No Solution Exploring Operation: 10*40=400, Resulting Numbers: [400] 400,70 unequal: No Solution Exploring Operation: 10+40=50, Resulting Numbers: [50] 50,70 unequal: No Solution Exploring Operation: 40-10=30, Resulting Numbers: [30] 30,70 unequal: No Solution Moving to Node #0,3,3 Current State: 70:[35, 85], Operations: ['55-20=35', '75+10=85'] Exploring Operation: 35+85=120, Resulting Numbers: [120] 120,70 unequal: No Solution Exploring Operation: 35*85=2975, Resulting Numbers: [2975] 2975,70 unequal: No Solution Exploring Operation: 85-35=50, Resulting Numbers: [50] 50,70 unequal: No Solution Moving to Node #0,3,1 Current State: 70:[75, 45], Operations: ['55-20=35', '10+35=45'] Exploring Operation: 75+45=120, Resulting Numbers: [120] 120,70 unequal: No Solution Exploring Operation: 75*45=3375, Resulting Numbers: [3375] 3375,70 unequal: No Solution Exploring Operation: 75-45=30, Resulting Numbers: [30] 30,70 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 7, 7, 20, 8 ]
26
[ "7+7=14", "20-8=12", "14+12=26" ]
Current State: 26:[7, 7, 20, 8], Operations: [] Exploring Operation: 7+7=14, Resulting Numbers: [20, 8, 14] Generated Node #2: [20, 8, 14] from Operation: 7+7=14 Current State: 26:[20, 8, 14], Operations: ['7+7=14'] Exploring Operation: 20-8=12, Resulting Numbers: [14, 12] Generated Node #3: [14, 12] from Operation: 20-8=12 Current State: 26:[14, 12], Operations: ['7+7=14', '20-8=12'] Exploring Operation: 14+12=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[7, 7, 20, 8], Operations: [] Exploring Operation: 20-7=13, Resulting Numbers: [7, 8, 13] Generated Node #0,0: 26:[7, 8, 13] Operation: 20-7=13 Exploring Operation: 20-7=13, Resulting Numbers: [7, 8, 13] Generated Node #0,1: 26:[7, 8, 13] Operation: 20-7=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[7, 8, 13], Operations: ['20-7=13'] Exploring Operation: 7+8=15, Resulting Numbers: [13, 15] Generated Node #0,0,0: 26:[13, 15] Operation: 7+8=15 Exploring Operation: 8-7=1, Resulting Numbers: [13, 1] Generated Node #0,0,1: 26:[13, 1] Operation: 8-7=1 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 26:[13, 1], Operations: ['20-7=13', '8-7=1'] Exploring Operation: 13*1=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 13/1=13, Resulting Numbers: [13] 13,26 unequal: No Solution No 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: 26:[13, 15], Operations: ['20-7=13', '7+8=15'] Exploring Operation: 15-13=2, Resulting Numbers: [2] 2,26 unequal: No Solution Exploring Operation: 13+15=28, Resulting Numbers: [28] 28,26 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: 26:[7, 8, 13], Operations: ['20-7=13'] Exploring Operation: 7+8=15, Resulting Numbers: [13, 15] Generated Node #0,1,0: 26:[13, 15] Operation: 7+8=15 Exploring Operation: 8-7=1, Resulting Numbers: [13, 1] Generated Node #0,1,1: 26:[13, 1] Operation: 8-7=1 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 26:[13, 1], Operations: ['20-7=13', '8-7=1'] Exploring Operation: 13/1=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 13*1=13, Resulting Numbers: [13] 13,26 unequal: No Solution No 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: 26:[13, 15], Operations: ['20-7=13', '7+8=15'] Exploring Operation: 13+15=28, Resulting Numbers: [28] 28,26 unequal: No Solution Exploring Operation: 15-13=2, Resulting Numbers: [2] 2,26 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
[ 34, 40, 94, 64 ]
24
[ "40-34=6", "94-64=30", "30-6=24" ]
Current State: 24:[34, 40, 94, 64], Operations: [] Exploring Operation: 40-34=6, Resulting Numbers: [94, 64, 6] Generated Node #2: [94, 64, 6] from Operation: 40-34=6 Current State: 24:[94, 64, 6], Operations: ['40-34=6'] Exploring Operation: 94-64=30, Resulting Numbers: [6, 30] Generated Node #3: [6, 30] from Operation: 94-64=30 Current State: 24:[6, 30], Operations: ['40-34=6', '94-64=30'] Exploring Operation: 30-6=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[34, 40, 94, 64], Operations: [] Exploring Operation: 94-64=30, Resulting Numbers: [34, 40, 30] Generated Node #0,0: 24:[34, 40, 30] Operation: 94-64=30 Exploring Operation: 64-40=24, Resulting Numbers: [34, 94, 24] Generated Node #0,1: 24:[34, 94, 24] Operation: 64-40=24 Exploring Operation: 94-34=60, Resulting Numbers: [40, 64, 60] Generated Node #0,2: 24:[40, 64, 60] Operation: 94-34=60 Exploring Operation: 94-40=54, Resulting Numbers: [34, 64, 54] Generated Node #0,3: 24:[34, 64, 54] Operation: 94-40=54 Moving to Node #0,0 Current State: 24:[34, 40, 30], Operations: ['94-64=30'] Exploring Operation: 34-30=4, Resulting Numbers: [40, 4] Generated Node #0,0,0: 24:[40, 4] Operation: 34-30=4 Exploring Operation: 40-30=10, Resulting Numbers: [34, 10] Generated Node #0,0,1: 24:[34, 10] Operation: 40-30=10 Exploring Operation: 40-34=6, Resulting Numbers: [30, 6] Generated Node #0,0,2: 24:[30, 6] Operation: 40-34=6 Exploring Operation: 34+40=74, Resulting Numbers: [30, 74] Generated Node #0,0,3: 24:[30, 74] Operation: 34+40=74 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 24:[30, 6], Operations: ['94-64=30', '40-34=6'] Exploring Operation: 30-6=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[34, 40, 94, 64], Operations: [] Exploring Operation: 94-64=30, Resulting Numbers: [34, 40, 30] Generated Node #0,0: 24:[34, 40, 30] Operation: 94-64=30 Moving to Node #0,0 Current State: 24:[34, 40, 30], Operations: ['94-64=30'] Exploring Operation: 40-34=6, Resulting Numbers: [30, 6] Generated Node #0,0,2: 24:[30, 6] Operation: 40-34=6 Moving to Node #0,0,2 Current State: 24:[30, 6], Operations: ['94-64=30', '40-34=6'] Exploring Operation: 30-6=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 26, 76, 38, 13 ]
37
[ "26+13=39", "76/38=2", "39-2=37" ]
Current State: 37:[26, 76, 38, 13], Operations: [] Exploring Operation: 26+13=39, Resulting Numbers: [76, 38, 39] Generated Node #2: [76, 38, 39] from Operation: 26+13=39 Current State: 37:[76, 38, 39], Operations: ['26+13=39'] Exploring Operation: 76/38=2, Resulting Numbers: [39, 2] Generated Node #3: [39, 2] from Operation: 76/38=2 Current State: 37:[39, 2], Operations: ['26+13=39', '76/38=2'] Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[26, 76, 38, 13], Operations: [] Exploring Operation: 76-26=50, Resulting Numbers: [38, 13, 50] Generated Node #0,0: 37:[38, 13, 50] Operation: 76-26=50 Exploring Operation: 76-38=38, Resulting Numbers: [26, 13, 38] Generated Node #0,1: 37:[26, 13, 38] Operation: 76-38=38 Exploring Operation: 76-13=63, Resulting Numbers: [26, 38, 63] Generated Node #0,2: 37:[26, 38, 63] Operation: 76-13=63 Moving to Node #0,1 Current State: 37:[26, 13, 38], Operations: ['76-38=38'] Exploring Operation: 26+13=39, Resulting Numbers: [38, 39] Generated Node #0,1,0: 37:[38, 39] Operation: 26+13=39 Exploring Operation: 26-13=13, Resulting Numbers: [38, 13] Generated Node #0,1,1: 37:[38, 13] Operation: 26-13=13 Exploring Operation: 38-13=25, Resulting Numbers: [26, 25] Generated Node #0,1,2: 37:[26, 25] Operation: 38-13=25 Moving to Node #0,0 Current State: 37:[38, 13, 50], Operations: ['76-26=50'] Exploring Operation: 38+13=51, Resulting Numbers: [50, 51] Generated Node #0,0,0: 37:[50, 51] Operation: 38+13=51 Exploring Operation: 38-13=25, Resulting Numbers: [50, 25] Generated Node #0,0,1: 37:[50, 25] Operation: 38-13=25 Exploring Operation: 50-13=37, Resulting Numbers: [38, 37] Generated Node #0,0,2: 37:[38, 37] Operation: 50-13=37 Moving to Node #0,2 Current State: 37:[26, 38, 63], Operations: ['76-13=63'] Exploring Operation: 38-26=12, Resulting Numbers: [63, 12] Generated Node #0,2,0: 37:[63, 12] Operation: 38-26=12 Exploring Operation: 63-26=37, Resulting Numbers: [38, 37] Generated Node #0,2,1: 37:[38, 37] Operation: 63-26=37 Exploring Operation: 63-38=25, Resulting Numbers: [26, 25] Generated Node #0,2,2: 37:[26, 25] Operation: 63-38=25 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 37:[38, 37], Operations: ['76-13=63', '63-26=37'] Exploring Operation: 38+37=75, Resulting Numbers: [75] 75,37 unequal: No Solution Exploring Operation: 38*37=1406, Resulting Numbers: [1406] 1406,37 unequal: No Solution Exploring Operation: 38-37=1, Resulting Numbers: [1] 1,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 37:[26, 25], Operations: ['76-13=63', '63-38=25'] Exploring Operation: 26-25=1, Resulting Numbers: [1] 1,37 unequal: No Solution Exploring Operation: 26*25=650, Resulting Numbers: [650] 650,37 unequal: No Solution Exploring Operation: 26+25=51, Resulting Numbers: [51] 51,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 37:[63, 12], Operations: ['76-13=63', '38-26=12'] Exploring Operation: 63-12=51, Resulting Numbers: [51] 51,37 unequal: No Solution Exploring Operation: 63+12=75, Resulting Numbers: [75] 75,37 unequal: No Solution Exploring Operation: 63*12=756, Resulting Numbers: [756] 756,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 37:[38, 37], Operations: ['76-26=50', '50-13=37'] Exploring Operation: 38+37=75, Resulting Numbers: [75] 75,37 unequal: No Solution Exploring Operation: 38*37=1406, Resulting Numbers: [1406] 1406,37 unequal: No Solution Exploring Operation: 38-37=1, Resulting Numbers: [1] 1,37 unequal: No Solution Moving to Node #0,1,0 Current State: 37:[38, 39], Operations: ['76-38=38', '26+13=39'] Exploring Operation: 38*39=1482, Resulting Numbers: [1482] 1482,37 unequal: No Solution Exploring Operation: 38+39=77, Resulting Numbers: [77] 77,37 unequal: No Solution Exploring Operation: 39-38=1, Resulting Numbers: [1] 1,37 unequal: No Solution Moving to Node #0,1,2 Current State: 37:[26, 25], Operations: ['76-38=38', '38-13=25'] Exploring Operation: 26*25=650, Resulting Numbers: [650] 650,37 unequal: No Solution Exploring Operation: 26+25=51, Resulting Numbers: [51] 51,37 unequal: No Solution Exploring Operation: 26-25=1, Resulting Numbers: [1] 1,37 unequal: No Solution Moving to Node #0,1,1 Current State: 37:[38, 13], Operations: ['76-38=38', '26-13=13'] Exploring Operation: 38*13=494, Resulting Numbers: [494] 494,37 unequal: No Solution Exploring Operation: 38-13=25, Resulting Numbers: [25] 25,37 unequal: No Solution Exploring Operation: 38+13=51, Resulting Numbers: [51] 51,37 unequal: No Solution Moving to Node #0,0,1 Current State: 37:[50, 25], Operations: ['76-26=50', '38-13=25'] Exploring Operation: 50-25=25, Resulting Numbers: [25] 25,37 unequal: No Solution Exploring Operation: 50/25=2, Resulting Numbers: [2] 2,37 unequal: No Solution Exploring Operation: 50+25=75, Resulting Numbers: [75] 75,37 unequal: No Solution Moving to Node #0,0,0 Current State: 37:[50, 51], Operations: ['76-26=50', '38+13=51'] Exploring Operation: 50*51=2550, Resulting Numbers: [2550] 2550,37 unequal: No Solution Exploring Operation: 51-50=1, Resulting Numbers: [1] 1,37 unequal: No Solution Exploring Operation: 50+51=101, Resulting Numbers: [101] 101,37 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 49, 47, 16, 4 ]
24
[ "49+47=96", "16/4=4", "96/4=24" ]
Current State: 24:[49, 47, 16, 4], Operations: [] Exploring Operation: 49+47=96, Resulting Numbers: [16, 4, 96] Generated Node #2: [16, 4, 96] from Operation: 49+47=96 Current State: 24:[16, 4, 96], Operations: ['49+47=96'] Exploring Operation: 16/4=4, Resulting Numbers: [96, 4] Generated Node #3: [96, 4] from Operation: 16/4=4 Current State: 24:[96, 4], Operations: ['49+47=96', '16/4=4'] Exploring Operation: 96/4=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[49, 47, 16, 4], Operations: [] Exploring Operation: 49-47=2, Resulting Numbers: [16, 4, 2] Generated Node #0,0: 24:[16, 4, 2] Operation: 49-47=2 Exploring Operation: 49-16=33, Resulting Numbers: [47, 4, 33] Generated Node #0,1: 24:[47, 4, 33] Operation: 49-16=33 Moving to Node #0,0 Current State: 24:[16, 4, 2], Operations: ['49-47=2'] Exploring Operation: 16/4=4, Resulting Numbers: [2, 4] Generated Node #0,0,0: 24:[2, 4] Operation: 16/4=4 Exploring Operation: 16-4=12, Resulting Numbers: [2, 12] Generated Node #0,0,1: 24:[2, 12] Operation: 16-4=12 Moving to Node #0,1 Current State: 24:[47, 4, 33], Operations: ['49-16=33'] Exploring Operation: 47-4=43, Resulting Numbers: [33, 43] Generated Node #0,1,0: 24:[33, 43] Operation: 47-4=43 Exploring Operation: 47-33=14, Resulting Numbers: [4, 14] Generated Node #0,1,1: 24:[4, 14] Operation: 47-33=14 Moving to Node #0,0,0 Current State: 24:[2, 4], Operations: ['49-47=2', '16/4=4'] Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,24 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,24 unequal: No Solution Moving to Node #0,0,1 Current State: 24:[2, 12], Operations: ['49-47=2', '16-4=12'] Exploring Operation: 2*12=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[49, 47, 16, 4], Operations: [] Exploring Operation: 49-47=2, Resulting Numbers: [16, 4, 2] Generated Node #0,0: 24:[16, 4, 2] Operation: 49-47=2 Moving to Node #0,0 Current State: 24:[16, 4, 2], Operations: ['49-47=2'] Exploring Operation: 16-4=12, Resulting Numbers: [2, 12] Generated Node #0,0,1: 24:[2, 12] Operation: 16-4=12 Moving to Node #0,0,1 Current State: 24:[2, 12], Operations: ['49-47=2', '16-4=12'] Exploring Operation: 2*12=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
0.988715
hs_2
sum_heuristic
[ 7, 70, 22, 44 ]
20
[ "70/7=10", "44/22=2", "10*2=20" ]
Current State: 20:[7, 70, 22, 44], Operations: [] Exploring Operation: 70/7=10, Resulting Numbers: [22, 44, 10] Generated Node #2: [22, 44, 10] from Operation: 70/7=10 Current State: 20:[22, 44, 10], Operations: ['70/7=10'] Exploring Operation: 44/22=2, Resulting Numbers: [10, 2] Generated Node #3: [10, 2] from Operation: 44/22=2 Current State: 20:[10, 2], Operations: ['70/7=10', '44/22=2'] Exploring Operation: 10*2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[7, 70, 22, 44], Operations: [] Exploring Operation: 70-22=48, Resulting Numbers: [7, 44, 48] Generated Node #0,0: 20:[7, 44, 48] Operation: 70-22=48 Exploring Operation: 44/22=2, Resulting Numbers: [7, 70, 2] Generated Node #0,1: 20:[7, 70, 2] Operation: 44/22=2 Exploring Operation: 44-22=22, Resulting Numbers: [7, 70, 22] Generated Node #0,2: 20:[7, 70, 22] Operation: 44-22=22 Exploring Operation: 70/7=10, Resulting Numbers: [22, 44, 10] Generated Node #0,3: 20:[22, 44, 10] Operation: 70/7=10 Exploring Operation: 70-44=26, Resulting Numbers: [7, 22, 26] Generated Node #0,4: 20:[7, 22, 26] Operation: 70-44=26 Start Sub Search at level 1: Moving to Node #0,4 Current State: 20:[7, 22, 26], Operations: ['70-44=26'] Exploring Operation: 22-7=15, Resulting Numbers: [26, 15] Generated Node #0,4,0: 20:[26, 15] Operation: 22-7=15 Exploring Operation: 26-22=4, Resulting Numbers: [7, 4] Generated Node #0,4,1: 20:[7, 4] Operation: 26-22=4 Exploring Operation: 7+26=33, Resulting Numbers: [22, 33] Generated Node #0,4,2: 20:[22, 33] Operation: 7+26=33 Exploring Operation: 7+22=29, Resulting Numbers: [26, 29] Generated Node #0,4,3: 20:[26, 29] Operation: 7+22=29 Exploring Operation: 26-7=19, Resulting Numbers: [22, 19] Generated Node #0,4,4: 20:[22, 19] Operation: 26-7=19 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 20:[7, 4], Operations: ['70-44=26', '26-22=4'] Exploring Operation: 7+4=11, Resulting Numbers: [11] 11,20 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,20 unequal: No Solution Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 20:[22, 19], Operations: ['70-44=26', '26-7=19'] Exploring Operation: 22-19=3, Resulting Numbers: [3] 3,20 unequal: No Solution Exploring Operation: 22+19=41, Resulting Numbers: [41] 41,20 unequal: No Solution Exploring Operation: 22*19=418, Resulting Numbers: [418] 418,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 20:[26, 15], Operations: ['70-44=26', '22-7=15'] Exploring Operation: 26-15=11, Resulting Numbers: [11] 11,20 unequal: No Solution Exploring Operation: 26+15=41, Resulting Numbers: [41] 41,20 unequal: No Solution Exploring Operation: 26*15=390, Resulting Numbers: [390] 390,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 20:[22, 33], Operations: ['70-44=26', '7+26=33'] Exploring Operation: 22+33=55, Resulting Numbers: [55] 55,20 unequal: No Solution Exploring Operation: 33-22=11, Resulting Numbers: [11] 11,20 unequal: No Solution Exploring Operation: 22*33=726, Resulting Numbers: [726] 726,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 20:[26, 29], Operations: ['70-44=26', '7+22=29'] Exploring Operation: 29-26=3, Resulting Numbers: [3] 3,20 unequal: No Solution Exploring Operation: 26+29=55, Resulting Numbers: [55] 55,20 unequal: No Solution Exploring Operation: 26*29=754, Resulting Numbers: [754] 754,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 20:[22, 44, 10], Operations: ['70/7=10'] Exploring Operation: 22-10=12, Resulting Numbers: [44, 12] Generated Node #0,3,0: 20:[44, 12] Operation: 22-10=12 Exploring Operation: 44/22=2, Resulting Numbers: [10, 2] Generated Node #0,3,1: 20:[10, 2] Operation: 44/22=2 Exploring Operation: 44-22=22, Resulting Numbers: [10, 22] Generated Node #0,3,2: 20:[10, 22] Operation: 44-22=22 Exploring Operation: 44-10=34, Resulting Numbers: [22, 34] Generated Node #0,3,3: 20:[22, 34] Operation: 44-10=34 Exploring Operation: 22+10=32, Resulting Numbers: [44, 32] Generated Node #0,3,4: 20:[44, 32] Operation: 22+10=32 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 20:[10, 2], Operations: ['70/7=10', '44/22=2'] Exploring Operation: 10+2=12, Resulting Numbers: [12] 12,20 unequal: No Solution Exploring Operation: 10*2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[7, 70, 22, 44], Operations: [] Exploring Operation: 70/7=10, Resulting Numbers: [22, 44, 10] Generated Node #0,3: 20:[22, 44, 10] Operation: 70/7=10 Moving to Node #0,3 Current State: 20:[22, 44, 10], Operations: ['70/7=10'] Exploring Operation: 44/22=2, Resulting Numbers: [10, 2] Generated Node #0,3,1: 20:[10, 2] Operation: 44/22=2 Moving to Node #0,3,1 Current State: 20:[10, 2], Operations: ['70/7=10', '44/22=2'] Exploring Operation: 10*2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.96875
hs_5
sum_heuristic
[ 49, 45, 68, 50 ]
22
[ "49-45=4", "68-50=18", "4+18=22" ]
Current State: 22:[49, 45, 68, 50], Operations: [] Exploring Operation: 49-45=4, Resulting Numbers: [68, 50, 4] Generated Node #2: [68, 50, 4] from Operation: 49-45=4 Current State: 22:[68, 50, 4], Operations: ['49-45=4'] Exploring Operation: 68-50=18, Resulting Numbers: [4, 18] Generated Node #3: [4, 18] from Operation: 68-50=18 Current State: 22:[4, 18], Operations: ['49-45=4', '68-50=18'] Exploring Operation: 4+18=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[49, 45, 68, 50], Operations: [] Exploring Operation: 68-50=18, Resulting Numbers: [49, 45, 18] Generated Node #0,0: 22:[49, 45, 18] Operation: 68-50=18 Exploring Operation: 68-49=19, Resulting Numbers: [45, 50, 19] Generated Node #0,1: 22:[45, 50, 19] Operation: 68-49=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[49, 45, 18], Operations: ['68-50=18'] Exploring Operation: 49-18=31, Resulting Numbers: [45, 31] Generated Node #0,0,0: 22:[45, 31] Operation: 49-18=31 Exploring Operation: 49-45=4, Resulting Numbers: [18, 4] Generated Node #0,0,1: 22:[18, 4] Operation: 49-45=4 Moving to Node #0,0,1 Current State: 22:[18, 4], Operations: ['68-50=18', '49-45=4'] Exploring Operation: 18+4=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[49, 45, 68, 50], Operations: [] Exploring Operation: 68-50=18, Resulting Numbers: [49, 45, 18] Generated Node #0,0: 22:[49, 45, 18] Operation: 68-50=18 Moving to Node #0,0 Current State: 22:[49, 45, 18], Operations: ['68-50=18'] Exploring Operation: 49-45=4, Resulting Numbers: [18, 4] Generated Node #0,0,1: 22:[18, 4] Operation: 49-45=4 Moving to Node #0,0,1 Current State: 22:[18, 4], Operations: ['68-50=18', '49-45=4'] Exploring Operation: 18+4=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 54, 57, 23, 4 ]
51
[ "23-4=19", "57/19=3", "54-3=51" ]
Current State: 51:[54, 57, 23, 4], Operations: [] Exploring Operation: 23-4=19, Resulting Numbers: [54, 57, 19] Generated Node #2: [54, 57, 19] from Operation: 23-4=19 Current State: 51:[54, 57, 19], Operations: ['23-4=19'] Exploring Operation: 57/19=3, Resulting Numbers: [54, 3] Generated Node #3: [54, 3] from Operation: 57/19=3 Current State: 51:[54, 3], Operations: ['23-4=19', '57/19=3'] Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[54, 57, 23, 4], Operations: [] Exploring Operation: 57-4=53, Resulting Numbers: [54, 23, 53] Generated Node #0,0: 51:[54, 23, 53] Operation: 57-4=53 Exploring Operation: 57-54=3, Resulting Numbers: [23, 4, 3] Generated Node #0,1: 51:[23, 4, 3] Operation: 57-54=3 Exploring Operation: 23-4=19, Resulting Numbers: [54, 57, 19] Generated Node #0,2: 51:[54, 57, 19] Operation: 23-4=19 Moving to Node #0,1 Current State: 51:[23, 4, 3], Operations: ['57-54=3'] Exploring Operation: 23-4=19, Resulting Numbers: [3, 19] Generated Node #0,1,0: 51:[3, 19] Operation: 23-4=19 Exploring Operation: 23-3=20, Resulting Numbers: [4, 20] Generated Node #0,1,1: 51:[4, 20] Operation: 23-3=20 Exploring Operation: 4-3=1, Resulting Numbers: [23, 1] Generated Node #0,1,2: 51:[23, 1] Operation: 4-3=1 Moving to Node #0,0 Current State: 51:[54, 23, 53], Operations: ['57-4=53'] Exploring Operation: 53-23=30, Resulting Numbers: [54, 30] Generated Node #0,0,0: 51:[54, 30] Operation: 53-23=30 Exploring Operation: 54-23=31, Resulting Numbers: [53, 31] Generated Node #0,0,1: 51:[53, 31] Operation: 54-23=31 Exploring Operation: 54-53=1, Resulting Numbers: [23, 1] Generated Node #0,0,2: 51:[23, 1] Operation: 54-53=1 Moving to Node #0,2 Current State: 51:[54, 57, 19], Operations: ['23-4=19'] Exploring Operation: 57/19=3, Resulting Numbers: [54, 3] Generated Node #0,2,0: 51:[54, 3] Operation: 57/19=3 Exploring Operation: 57-54=3, Resulting Numbers: [19, 3] Generated Node #0,2,1: 51:[19, 3] Operation: 57-54=3 Exploring Operation: 57-19=38, Resulting Numbers: [54, 38] Generated Node #0,2,2: 51:[54, 38] Operation: 57-19=38 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 51:[19, 3], Operations: ['23-4=19', '57-54=3'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,51 unequal: No Solution Exploring Operation: 19+3=22, Resulting Numbers: [22] 22,51 unequal: No Solution Exploring Operation: 19*3=57, Resulting Numbers: [57] 57,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 51:[54, 3], Operations: ['23-4=19', '57/19=3'] Exploring Operation: 54+3=57, Resulting Numbers: [57] 57,51 unequal: No Solution Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[54, 57, 23, 4], Operations: [] Exploring Operation: 23-4=19, Resulting Numbers: [54, 57, 19] Generated Node #0,2: 51:[54, 57, 19] Operation: 23-4=19 Moving to Node #0,2 Current State: 51:[54, 57, 19], Operations: ['23-4=19'] Exploring Operation: 57/19=3, Resulting Numbers: [54, 3] Generated Node #0,2,0: 51:[54, 3] Operation: 57/19=3 Moving to Node #0,2,0 Current State: 51:[54, 3], Operations: ['23-4=19', '57/19=3'] Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_3
mult_heuristic
[ 47, 69, 94, 81 ]
35
[ "69-47=22", "94-81=13", "22+13=35" ]
Current State: 35:[47, 69, 94, 81], Operations: [] Exploring Operation: 69-47=22, Resulting Numbers: [94, 81, 22] Generated Node #2: [94, 81, 22] from Operation: 69-47=22 Current State: 35:[94, 81, 22], Operations: ['69-47=22'] Exploring Operation: 94-81=13, Resulting Numbers: [22, 13] Generated Node #3: [22, 13] from Operation: 94-81=13 Current State: 35:[22, 13], Operations: ['69-47=22', '94-81=13'] Exploring Operation: 22+13=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[47, 69, 94, 81], Operations: [] Exploring Operation: 94-81=13, Resulting Numbers: [47, 69, 13] Generated Node #0,0: 35:[47, 69, 13] Operation: 94-81=13 Exploring Operation: 81-69=12, Resulting Numbers: [47, 94, 12] Generated Node #0,1: 35:[47, 94, 12] Operation: 81-69=12 Exploring Operation: 94/47=2, Resulting Numbers: [69, 81, 2] Generated Node #0,2: 35:[69, 81, 2] Operation: 94/47=2 Exploring Operation: 94-69=25, Resulting Numbers: [47, 81, 25] Generated Node #0,3: 35:[47, 81, 25] Operation: 94-69=25 Moving to Node #0,0 Current State: 35:[47, 69, 13], Operations: ['94-81=13'] Exploring Operation: 47-13=34, Resulting Numbers: [69, 34] Generated Node #0,0,0: 35:[69, 34] Operation: 47-13=34 Exploring Operation: 69-13=56, Resulting Numbers: [47, 56] Generated Node #0,0,1: 35:[47, 56] Operation: 69-13=56 Exploring Operation: 47+13=60, Resulting Numbers: [69, 60] Generated Node #0,0,2: 35:[69, 60] Operation: 47+13=60 Exploring Operation: 69-47=22, Resulting Numbers: [13, 22] Generated Node #0,0,3: 35:[13, 22] Operation: 69-47=22 Moving to Node #0,3 Current State: 35:[47, 81, 25], Operations: ['94-69=25'] Exploring Operation: 81-47=34, Resulting Numbers: [25, 34] Generated Node #0,3,0: 35:[25, 34] Operation: 81-47=34 Exploring Operation: 81-25=56, Resulting Numbers: [47, 56] Generated Node #0,3,1: 35:[47, 56] Operation: 81-25=56 Exploring Operation: 47+25=72, Resulting Numbers: [81, 72] Generated Node #0,3,2: 35:[81, 72] Operation: 47+25=72 Exploring Operation: 47-25=22, Resulting Numbers: [81, 22] Generated Node #0,3,3: 35:[81, 22] Operation: 47-25=22 Moving to Node #0,1 Current State: 35:[47, 94, 12], Operations: ['81-69=12'] Exploring Operation: 94-47=47, Resulting Numbers: [12, 47] Generated Node #0,1,0: 35:[12, 47] Operation: 94-47=47 Exploring Operation: 94/47=2, Resulting Numbers: [12, 2] Generated Node #0,1,1: 35:[12, 2] Operation: 94/47=2 Exploring Operation: 47-12=35, Resulting Numbers: [94, 35] Generated Node #0,1,2: 35:[94, 35] Operation: 47-12=35 Exploring Operation: 94-12=82, Resulting Numbers: [47, 82] Generated Node #0,1,3: 35:[47, 82] Operation: 94-12=82 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 35:[12, 2], Operations: ['81-69=12', '94/47=2'] Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,35 unequal: No Solution Exploring Operation: 12+2=14, Resulting Numbers: [14] 14,35 unequal: No Solution Exploring Operation: 12*2=24, Resulting Numbers: [24] 24,35 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,35 unequal: No Solution No 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: 35:[12, 47], Operations: ['81-69=12', '94-47=47'] Exploring Operation: 47-12=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[47, 69, 94, 81], Operations: [] Exploring Operation: 81-69=12, Resulting Numbers: [47, 94, 12] Generated Node #0,1: 35:[47, 94, 12] Operation: 81-69=12 Moving to Node #0,1 Current State: 35:[47, 94, 12], Operations: ['81-69=12'] Exploring Operation: 94-47=47, Resulting Numbers: [12, 47] Generated Node #0,1,0: 35:[12, 47] Operation: 94-47=47 Moving to Node #0,1,0 Current State: 35:[12, 47], Operations: ['81-69=12', '94-47=47'] Exploring Operation: 47-12=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_4
sum_heuristic
[ 65, 25, 36, 87 ]
75
[ "65-36=29", "25*87=2175", "2175/29=75" ]
Current State: 75:[65, 25, 36, 87], Operations: [] Exploring Operation: 65-36=29, Resulting Numbers: [25, 87, 29] Generated Node #2: [25, 87, 29] from Operation: 65-36=29 Current State: 75:[25, 87, 29], Operations: ['65-36=29'] Exploring Operation: 25*87=2175, Resulting Numbers: [29, 2175] Generated Node #3: [29, 2175] from Operation: 25*87=2175 Current State: 75:[29, 2175], Operations: ['65-36=29', '25*87=2175'] Exploring Operation: 2175/29=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[65, 25, 36, 87], Operations: [] Exploring Operation: 65-36=29, Resulting Numbers: [25, 87, 29] Generated Node #0,0: 75:[25, 87, 29] Operation: 65-36=29 Exploring Operation: 87-65=22, Resulting Numbers: [25, 36, 22] Generated Node #0,1: 75:[25, 36, 22] Operation: 87-65=22 Start Sub Search at level 1: Moving to Node #0,1 Current State: 75:[25, 36, 22], Operations: ['87-65=22'] Exploring Operation: 36-25=11, Resulting Numbers: [22, 11] Generated Node #0,1,0: 75:[22, 11] Operation: 36-25=11 Exploring Operation: 36-22=14, Resulting Numbers: [25, 14] Generated Node #0,1,1: 75:[25, 14] Operation: 36-22=14 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 75:[25, 14], Operations: ['87-65=22', '36-22=14'] Exploring Operation: 25+14=39, Resulting Numbers: [39] 39,75 unequal: No Solution Exploring Operation: 25-14=11, Resulting Numbers: [11] 11,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 75:[22, 11], Operations: ['87-65=22', '36-25=11'] Exploring Operation: 22/11=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[25, 87, 29], Operations: ['65-36=29'] Exploring Operation: 87/29=3, Resulting Numbers: [25, 3] Generated Node #0,0,0: 75:[25, 3] Operation: 87/29=3 Exploring Operation: 29-25=4, Resulting Numbers: [87, 4] Generated Node #0,0,1: 75:[87, 4] Operation: 29-25=4 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 75:[25, 3], Operations: ['65-36=29', '87/29=3'] Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[65, 25, 36, 87], Operations: [] Exploring Operation: 65-36=29, Resulting Numbers: [25, 87, 29] Generated Node #0,0: 75:[25, 87, 29] Operation: 65-36=29 Moving to Node #0,0 Current State: 75:[25, 87, 29], Operations: ['65-36=29'] Exploring Operation: 87/29=3, Resulting Numbers: [25, 3] Generated Node #0,0,0: 75:[25, 3] Operation: 87/29=3 Moving to Node #0,0,0 Current State: 75:[25, 3], Operations: ['65-36=29', '87/29=3'] Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 15, 86, 46, 20 ]
75
[ "15+86=101", "46-20=26", "101-26=75" ]
Current State: 75:[15, 86, 46, 20], Operations: [] Exploring Operation: 15+86=101, Resulting Numbers: [46, 20, 101] Generated Node #2: [46, 20, 101] from Operation: 15+86=101 Current State: 75:[46, 20, 101], Operations: ['15+86=101'] Exploring Operation: 46-20=26, Resulting Numbers: [101, 26] Generated Node #3: [101, 26] from Operation: 46-20=26 Current State: 75:[101, 26], Operations: ['15+86=101', '46-20=26'] Exploring Operation: 101-26=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[15, 86, 46, 20], Operations: [] Exploring Operation: 46+20=66, Resulting Numbers: [15, 86, 66] Generated Node #0,0: 75:[15, 86, 66] Operation: 46+20=66 Exploring Operation: 86-46=40, Resulting Numbers: [15, 20, 40] Generated Node #0,1: 75:[15, 20, 40] Operation: 86-46=40 Exploring Operation: 46-20=26, Resulting Numbers: [15, 86, 26] Generated Node #0,2: 75:[15, 86, 26] Operation: 46-20=26 Moving to Node #0,2 Current State: 75:[15, 86, 26], Operations: ['46-20=26'] Exploring Operation: 86-15=71, Resulting Numbers: [26, 71] Generated Node #0,2,0: 75:[26, 71] Operation: 86-15=71 Exploring Operation: 26-15=11, Resulting Numbers: [86, 11] Generated Node #0,2,1: 75:[86, 11] Operation: 26-15=11 Exploring Operation: 86-26=60, Resulting Numbers: [15, 60] Generated Node #0,2,2: 75:[15, 60] Operation: 86-26=60 Moving to Node #0,0 Current State: 75:[15, 86, 66], Operations: ['46+20=66'] Exploring Operation: 15+66=81, Resulting Numbers: [86, 81] Generated Node #0,0,0: 75:[86, 81] Operation: 15+66=81 Exploring Operation: 86-15=71, Resulting Numbers: [66, 71] Generated Node #0,0,1: 75:[66, 71] Operation: 86-15=71 Exploring Operation: 86-66=20, Resulting Numbers: [15, 20] Generated Node #0,0,2: 75:[15, 20] Operation: 86-66=20 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 75:[15, 20], Operations: ['46+20=66', '86-66=20'] Exploring Operation: 15+20=35, Resulting Numbers: [35] 35,75 unequal: No Solution Exploring Operation: 20-15=5, Resulting Numbers: [5] 5,75 unequal: No Solution Exploring Operation: 15*20=300, Resulting Numbers: [300] 300,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 75:[66, 71], Operations: ['46+20=66', '86-15=71'] Exploring Operation: 66+71=137, Resulting Numbers: [137] 137,75 unequal: No Solution Exploring Operation: 71-66=5, Resulting Numbers: [5] 5,75 unequal: No Solution Exploring Operation: 66*71=4686, Resulting Numbers: [4686] 4686,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 75:[86, 81], Operations: ['46+20=66', '15+66=81'] Exploring Operation: 86*81=6966, Resulting Numbers: [6966] 6966,75 unequal: No Solution Exploring Operation: 86-81=5, Resulting Numbers: [5] 5,75 unequal: No Solution Exploring Operation: 86+81=167, Resulting Numbers: [167] 167,75 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: 75:[15, 20, 40], Operations: ['86-46=40'] Exploring Operation: 40/20=2, Resulting Numbers: [15, 2] Generated Node #0,1,0: 75:[15, 2] Operation: 40/20=2 Exploring Operation: 40-20=20, Resulting Numbers: [15, 20] Generated Node #0,1,1: 75:[15, 20] Operation: 40-20=20 Exploring Operation: 40-15=25, Resulting Numbers: [20, 25] Generated Node #0,1,2: 75:[20, 25] Operation: 40-15=25 Moving to Node #0,1,0 Current State: 75:[15, 2], Operations: ['86-46=40', '40/20=2'] Exploring Operation: 15+2=17, Resulting Numbers: [17] 17,75 unequal: No Solution Exploring Operation: 15*2=30, Resulting Numbers: [30] 30,75 unequal: No Solution Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,75 unequal: No Solution Moving to Node #0,1,2 Current State: 75:[20, 25], Operations: ['86-46=40', '40-15=25'] Exploring Operation: 20*25=500, Resulting Numbers: [500] 500,75 unequal: No Solution Exploring Operation: 25-20=5, Resulting Numbers: [5] 5,75 unequal: No Solution Exploring Operation: 20+25=45, Resulting Numbers: [45] 45,75 unequal: No Solution Moving to Node #0,2,0 Current State: 75:[26, 71], Operations: ['46-20=26', '86-15=71'] Exploring Operation: 26+71=97, Resulting Numbers: [97] 97,75 unequal: No Solution Exploring Operation: 26*71=1846, Resulting Numbers: [1846] 1846,75 unequal: No Solution Exploring Operation: 71-26=45, Resulting Numbers: [45] 45,75 unequal: No Solution Moving to Node #0,1,1 Current State: 75:[15, 20], Operations: ['86-46=40', '40-20=20'] Exploring Operation: 20-15=5, Resulting Numbers: [5] 5,75 unequal: No Solution Exploring Operation: 15*20=300, Resulting Numbers: [300] 300,75 unequal: No Solution Exploring Operation: 15+20=35, Resulting Numbers: [35] 35,75 unequal: No Solution Moving to Node #0,2,1 Current State: 75:[86, 11], Operations: ['46-20=26', '26-15=11'] Exploring Operation: 86-11=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[15, 86, 46, 20], Operations: [] Exploring Operation: 46-20=26, Resulting Numbers: [15, 86, 26] Generated Node #0,2: 75:[15, 86, 26] Operation: 46-20=26 Moving to Node #0,2 Current State: 75:[15, 86, 26], Operations: ['46-20=26'] Exploring Operation: 26-15=11, Resulting Numbers: [86, 11] Generated Node #0,2,1: 75:[86, 11] Operation: 26-15=11 Moving to Node #0,2,1 Current State: 75:[86, 11], Operations: ['46-20=26', '26-15=11'] Exploring Operation: 86-11=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
0.967014
hs_3
sum_heuristic
[ 92, 88, 10, 96 ]
12
[ "96-92=4", "88/4=22", "22-10=12" ]
Current State: 12:[92, 88, 10, 96], Operations: [] Exploring Operation: 96-92=4, Resulting Numbers: [88, 10, 4] Generated Node #2: [88, 10, 4] from Operation: 96-92=4 Current State: 12:[88, 10, 4], Operations: ['96-92=4'] Exploring Operation: 88/4=22, Resulting Numbers: [10, 22] Generated Node #3: [10, 22] from Operation: 88/4=22 Current State: 12:[10, 22], Operations: ['96-92=4', '88/4=22'] Exploring Operation: 22-10=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[92, 88, 10, 96], Operations: [] Exploring Operation: 96-88=8, Resulting Numbers: [92, 10, 8] Generated Node #0,0: 12:[92, 10, 8] Operation: 96-88=8 Exploring Operation: 96-92=4, Resulting Numbers: [88, 10, 4] Generated Node #0,1: 12:[88, 10, 4] Operation: 96-92=4 Exploring Operation: 92-88=4, Resulting Numbers: [10, 96, 4] Generated Node #0,2: 12:[10, 96, 4] Operation: 92-88=4 Moving to Node #0,1 Current State: 12:[88, 10, 4], Operations: ['96-92=4'] Exploring Operation: 88-4=84, Resulting Numbers: [10, 84] Generated Node #0,1,0: 12:[10, 84] Operation: 88-4=84 Exploring Operation: 88/4=22, Resulting Numbers: [10, 22] Generated Node #0,1,1: 12:[10, 22] Operation: 88/4=22 Exploring Operation: 88-10=78, Resulting Numbers: [4, 78] Generated Node #0,1,2: 12:[4, 78] Operation: 88-10=78 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 12:[10, 22], Operations: ['96-92=4', '88/4=22'] Exploring Operation: 10*22=220, Resulting Numbers: [220] 220,12 unequal: No Solution Exploring Operation: 22-10=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[92, 88, 10, 96], Operations: [] Exploring Operation: 96-92=4, Resulting Numbers: [88, 10, 4] Generated Node #0,1: 12:[88, 10, 4] Operation: 96-92=4 Moving to Node #0,1 Current State: 12:[88, 10, 4], Operations: ['96-92=4'] Exploring Operation: 88/4=22, Resulting Numbers: [10, 22] Generated Node #0,1,1: 12:[10, 22] Operation: 88/4=22 Moving to Node #0,1,1 Current State: 12:[10, 22], Operations: ['96-92=4', '88/4=22'] Exploring Operation: 22-10=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 1, 60, 23, 2 ]
71
[ "23-1=22", "22/2=11", "60+11=71" ]
Current State: 71:[1, 60, 23, 2], Operations: [] Exploring Operation: 23-1=22, Resulting Numbers: [60, 2, 22] Generated Node #2: [60, 2, 22] from Operation: 23-1=22 Current State: 71:[60, 2, 22], Operations: ['23-1=22'] Exploring Operation: 22/2=11, Resulting Numbers: [60, 11] Generated Node #3: [60, 11] from Operation: 22/2=11 Current State: 71:[60, 11], Operations: ['23-1=22', '22/2=11'] Exploring Operation: 60+11=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[1, 60, 23, 2], Operations: [] Exploring Operation: 1+60=61, Resulting Numbers: [23, 2, 61] Generated Node #0,0: 71:[23, 2, 61] Operation: 1+60=61 Exploring Operation: 23*2=46, Resulting Numbers: [1, 60, 46] Generated Node #0,1: 71:[1, 60, 46] Operation: 23*2=46 Moving to Node #0,1 Current State: 71:[1, 60, 46], Operations: ['23*2=46'] Exploring Operation: 1+46=47, Resulting Numbers: [60, 47] Generated Node #0,1,0: 71:[60, 47] Operation: 1+46=47 Exploring Operation: 1+60=61, Resulting Numbers: [46, 61] Generated Node #0,1,1: 71:[46, 61] Operation: 1+60=61 Moving to Node #0,0 Current State: 71:[23, 2, 61], Operations: ['1+60=61'] Exploring Operation: 23+2=25, Resulting Numbers: [61, 25] Generated Node #0,0,0: 71:[61, 25] Operation: 23+2=25 Exploring Operation: 23*2=46, Resulting Numbers: [61, 46] Generated Node #0,0,1: 71:[61, 46] Operation: 23*2=46 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 71:[61, 46], Operations: ['1+60=61', '23*2=46'] Exploring Operation: 61-46=15, Resulting Numbers: [15] 15,71 unequal: No Solution Exploring Operation: 61+46=107, Resulting Numbers: [107] 107,71 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 #0,0,0 Current State: 71:[61, 25], Operations: ['1+60=61', '23+2=25'] Exploring Operation: 61-25=36, Resulting Numbers: [36] 36,71 unequal: No Solution Exploring Operation: 61+25=86, Resulting Numbers: [86] 86,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 71:[60, 47], Operations: ['23*2=46', '1+46=47'] Exploring Operation: 60+47=107, Resulting Numbers: [107] 107,71 unequal: No Solution Exploring Operation: 60-47=13, Resulting Numbers: [13] 13,71 unequal: No Solution Moving to Node #0,1,1 Current State: 71:[46, 61], Operations: ['23*2=46', '1+60=61'] Exploring Operation: 46+61=107, Resulting Numbers: [107] 107,71 unequal: No Solution Exploring Operation: 61-46=15, Resulting Numbers: [15] 15,71 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 12, 4, 6, 76 ]
17
[ "12/6=2", "76/4=19", "19-2=17" ]
Current State: 17:[12, 4, 6, 76], Operations: [] Exploring Operation: 12/6=2, Resulting Numbers: [4, 76, 2] Generated Node #2: [4, 76, 2] from Operation: 12/6=2 Current State: 17:[4, 76, 2], Operations: ['12/6=2'] Exploring Operation: 76/4=19, Resulting Numbers: [2, 19] Generated Node #3: [2, 19] from Operation: 76/4=19 Current State: 17:[2, 19], Operations: ['12/6=2', '76/4=19'] Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[12, 4, 6, 76], Operations: [] Exploring Operation: 4+6=10, Resulting Numbers: [12, 76, 10] Generated Node #0,0: 17:[12, 76, 10] Operation: 4+6=10 Exploring Operation: 76-12=64, Resulting Numbers: [4, 6, 64] Generated Node #0,1: 17:[4, 6, 64] Operation: 76-12=64 Exploring Operation: 12+4=16, Resulting Numbers: [6, 76, 16] Generated Node #0,2: 17:[6, 76, 16] Operation: 12+4=16 Exploring Operation: 76/4=19, Resulting Numbers: [12, 6, 19] Generated Node #0,3: 17:[12, 6, 19] Operation: 76/4=19 Exploring Operation: 4*6=24, Resulting Numbers: [12, 76, 24] Generated Node #0,4: 17:[12, 76, 24] Operation: 4*6=24 Moving to Node #0,3 Current State: 17:[12, 6, 19], Operations: ['76/4=19'] Exploring Operation: 12+6=18, Resulting Numbers: [19, 18] Generated Node #0,3,0: 17:[19, 18] Operation: 12+6=18 Exploring Operation: 19-6=13, Resulting Numbers: [12, 13] Generated Node #0,3,1: 17:[12, 13] Operation: 19-6=13 Exploring Operation: 6+19=25, Resulting Numbers: [12, 25] Generated Node #0,3,2: 17:[12, 25] Operation: 6+19=25 Exploring Operation: 12-6=6, Resulting Numbers: [19, 6] Generated Node #0,3,3: 17:[19, 6] Operation: 12-6=6 Exploring Operation: 12/6=2, Resulting Numbers: [19, 2] Generated Node #0,3,4: 17:[19, 2] Operation: 12/6=2 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 17:[19, 18], Operations: ['76/4=19', '12+6=18'] Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,17 unequal: No Solution Exploring Operation: 19*18=342, Resulting Numbers: [342] 342,17 unequal: No Solution Exploring Operation: 19+18=37, Resulting Numbers: [37] 37,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 17:[12, 13], Operations: ['76/4=19', '19-6=13'] Exploring Operation: 12+13=25, Resulting Numbers: [25] 25,17 unequal: No Solution Exploring Operation: 13-12=1, Resulting Numbers: [1] 1,17 unequal: No Solution Exploring Operation: 12*13=156, Resulting Numbers: [156] 156,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 17:[12, 25], Operations: ['76/4=19', '6+19=25'] Exploring Operation: 12*25=300, Resulting Numbers: [300] 300,17 unequal: No Solution Exploring Operation: 25-12=13, Resulting Numbers: [13] 13,17 unequal: No Solution Exploring Operation: 12+25=37, Resulting Numbers: [37] 37,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 17:[19, 6], Operations: ['76/4=19', '12-6=6'] Exploring Operation: 19*6=114, Resulting Numbers: [114] 114,17 unequal: No Solution Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,17 unequal: No Solution Exploring Operation: 19+6=25, Resulting Numbers: [25] 25,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 17:[19, 2], Operations: ['76/4=19', '12/6=2'] Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[12, 4, 6, 76], Operations: [] Exploring Operation: 76/4=19, Resulting Numbers: [12, 6, 19] Generated Node #0,3: 17:[12, 6, 19] Operation: 76/4=19 Moving to Node #0,3 Current State: 17:[12, 6, 19], Operations: ['76/4=19'] Exploring Operation: 12/6=2, Resulting Numbers: [19, 2] Generated Node #0,3,4: 17:[19, 2] Operation: 12/6=2 Moving to Node #0,3,4 Current State: 17:[19, 2], Operations: ['76/4=19', '12/6=2'] Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_5
sum_heuristic
[ 28, 2, 64, 12 ]
98
[ "28+64=92", "12/2=6", "92+6=98" ]
Current State: 98:[28, 2, 64, 12], Operations: [] Exploring Operation: 28+64=92, Resulting Numbers: [2, 12, 92] Generated Node #2: [2, 12, 92] from Operation: 28+64=92 Current State: 98:[2, 12, 92], Operations: ['28+64=92'] Exploring Operation: 12/2=6, Resulting Numbers: [92, 6] Generated Node #3: [92, 6] from Operation: 12/2=6 Current State: 98:[92, 6], Operations: ['28+64=92', '12/2=6'] Exploring Operation: 92+6=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[28, 2, 64, 12], Operations: [] Exploring Operation: 28+64=92, Resulting Numbers: [2, 12, 92] Generated Node #0,0: 98:[2, 12, 92] Operation: 28+64=92 Exploring Operation: 28/2=14, Resulting Numbers: [64, 12, 14] Generated Node #0,1: 98:[64, 12, 14] Operation: 28/2=14 Exploring Operation: 64-12=52, Resulting Numbers: [28, 2, 52] Generated Node #0,2: 98:[28, 2, 52] Operation: 64-12=52 Exploring Operation: 64-28=36, Resulting Numbers: [2, 12, 36] Generated Node #0,3: 98:[2, 12, 36] Operation: 64-28=36 Exploring Operation: 28-12=16, Resulting Numbers: [2, 64, 16] Generated Node #0,4: 98:[2, 64, 16] Operation: 28-12=16 Moving to Node #0,0 Current State: 98:[2, 12, 92], Operations: ['28+64=92'] Exploring Operation: 12+92=104, Resulting Numbers: [2, 104] Generated Node #0,0,0: 98:[2, 104] Operation: 12+92=104 Exploring Operation: 2+12=14, Resulting Numbers: [92, 14] Generated Node #0,0,1: 98:[92, 14] Operation: 2+12=14 Exploring Operation: 12/2=6, Resulting Numbers: [92, 6] Generated Node #0,0,2: 98:[92, 6] Operation: 12/2=6 Exploring Operation: 92/2=46, Resulting Numbers: [12, 46] Generated Node #0,0,3: 98:[12, 46] Operation: 92/2=46 Exploring Operation: 2+92=94, Resulting Numbers: [12, 94] Generated Node #0,0,4: 98:[12, 94] Operation: 2+92=94 Moving to Node #0,3 Current State: 98:[2, 12, 36], Operations: ['64-28=36'] Exploring Operation: 36/2=18, Resulting Numbers: [12, 18] Generated Node #0,3,0: 98:[12, 18] Operation: 36/2=18 Exploring Operation: 2+12=14, Resulting Numbers: [36, 14] Generated Node #0,3,1: 98:[36, 14] Operation: 2+12=14 Exploring Operation: 36/12=3, Resulting Numbers: [2, 3] Generated Node #0,3,2: 98:[2, 3] Operation: 36/12=3 Exploring Operation: 12+36=48, Resulting Numbers: [2, 48] Generated Node #0,3,3: 98:[2, 48] Operation: 12+36=48 Exploring Operation: 36-12=24, Resulting Numbers: [2, 24] Generated Node #0,3,4: 98:[2, 24] Operation: 36-12=24 Moving to Node #0,1 Current State: 98:[64, 12, 14], Operations: ['28/2=14'] Exploring Operation: 14-12=2, Resulting Numbers: [64, 2] Generated Node #0,1,0: 98:[64, 2] Operation: 14-12=2 Exploring Operation: 64+14=78, Resulting Numbers: [12, 78] Generated Node #0,1,1: 98:[12, 78] Operation: 64+14=78 Exploring Operation: 64+12=76, Resulting Numbers: [14, 76] Generated Node #0,1,2: 98:[14, 76] Operation: 64+12=76 Exploring Operation: 64-12=52, Resulting Numbers: [14, 52] Generated Node #0,1,3: 98:[14, 52] Operation: 64-12=52 Exploring Operation: 64-14=50, Resulting Numbers: [12, 50] Generated Node #0,1,4: 98:[12, 50] Operation: 64-14=50 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 98:[14, 52], Operations: ['28/2=14', '64-12=52'] Exploring Operation: 14*52=728, Resulting Numbers: [728] 728,98 unequal: No Solution Exploring Operation: 52-14=38, Resulting Numbers: [38] 38,98 unequal: No Solution Exploring Operation: 14+52=66, Resulting Numbers: [66] 66,98 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 #0,1,4 Current State: 98:[12, 50], Operations: ['28/2=14', '64-14=50'] Exploring Operation: 50-12=38, Resulting Numbers: [38] 38,98 unequal: No Solution Exploring Operation: 12*50=600, Resulting Numbers: [600] 600,98 unequal: No Solution Exploring Operation: 12+50=62, Resulting Numbers: [62] 62,98 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:[64, 2], Operations: ['28/2=14', '14-12=2'] Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,98 unequal: No Solution Exploring Operation: 64*2=128, Resulting Numbers: [128] 128,98 unequal: No Solution Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,98 unequal: No Solution Exploring Operation: 64+2=66, Resulting Numbers: [66] 66,98 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 #0,1,1 Current State: 98:[12, 78], Operations: ['28/2=14', '64+14=78'] Exploring Operation: 12+78=90, Resulting Numbers: [90] 90,98 unequal: No Solution Exploring Operation: 12*78=936, Resulting Numbers: [936] 936,98 unequal: No Solution Exploring Operation: 78-12=66, Resulting Numbers: [66] 66,98 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 #0,1,2 Current State: 98:[14, 76], Operations: ['28/2=14', '64+12=76'] Exploring Operation: 76-14=62, Resulting Numbers: [62] 62,98 unequal: No Solution Exploring Operation: 14+76=90, Resulting Numbers: [90] 90,98 unequal: No Solution Exploring Operation: 14*76=1064, Resulting Numbers: [1064] 1064,98 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: 98:[28, 2, 52], Operations: ['64-12=52'] Exploring Operation: 28-2=26, Resulting Numbers: [52, 26] Generated Node #0,2,0: 98:[52, 26] Operation: 28-2=26 Exploring Operation: 52-2=50, Resulting Numbers: [28, 50] Generated Node #0,2,1: 98:[28, 50] Operation: 52-2=50 Exploring Operation: 28/2=14, Resulting Numbers: [52, 14] Generated Node #0,2,2: 98:[52, 14] Operation: 28/2=14 Exploring Operation: 28*2=56, Resulting Numbers: [52, 56] Generated Node #0,2,3: 98:[52, 56] Operation: 28*2=56 Exploring Operation: 52-28=24, Resulting Numbers: [2, 24] Generated Node #0,2,4: 98:[2, 24] Operation: 52-28=24 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 98:[52, 14], Operations: ['64-12=52', '28/2=14'] Exploring Operation: 52+14=66, Resulting Numbers: [66] 66,98 unequal: No Solution Exploring Operation: 52*14=728, Resulting Numbers: [728] 728,98 unequal: No Solution Exploring Operation: 52-14=38, Resulting Numbers: [38] 38,98 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 #0,2,3 Current State: 98:[52, 56], Operations: ['64-12=52', '28*2=56'] Exploring Operation: 56-52=4, Resulting Numbers: [4] 4,98 unequal: No Solution Exploring Operation: 52*56=2912, Resulting Numbers: [2912] 2912,98 unequal: No Solution Exploring Operation: 52+56=108, Resulting Numbers: [108] 108,98 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 #0,2,4 Current State: 98:[2, 24], Operations: ['64-12=52', '52-28=24'] Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,98 unequal: No Solution Exploring Operation: 2*24=48, Resulting Numbers: [48] 48,98 unequal: No Solution Exploring Operation: 2+24=26, Resulting Numbers: [26] 26,98 unequal: No Solution Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,98 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 #0,2,0 Current State: 98:[52, 26], Operations: ['64-12=52', '28-2=26'] Exploring Operation: 52/26=2, Resulting Numbers: [2] 2,98 unequal: No Solution Exploring Operation: 52+26=78, Resulting Numbers: [78] 78,98 unequal: No Solution Exploring Operation: 52-26=26, Resulting Numbers: [26] 26,98 unequal: No Solution Exploring Operation: 52*26=1352, Resulting Numbers: [1352] 1352,98 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 #0,2,1 Current State: 98:[28, 50], Operations: ['64-12=52', '52-2=50'] Exploring Operation: 50-28=22, Resulting Numbers: [22] 22,98 unequal: No Solution Exploring Operation: 28+50=78, Resulting Numbers: [78] 78,98 unequal: No Solution Exploring Operation: 28*50=1400, Resulting Numbers: [1400] 1400,98 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: 98:[2, 64, 16], Operations: ['28-12=16'] Exploring Operation: 64/16=4, Resulting Numbers: [2, 4] Generated Node #0,4,0: 98:[2, 4] Operation: 64/16=4 Exploring Operation: 64-16=48, Resulting Numbers: [2, 48] Generated Node #0,4,1: 98:[2, 48] Operation: 64-16=48 Exploring Operation: 16-2=14, Resulting Numbers: [64, 14] Generated Node #0,4,2: 98:[64, 14] Operation: 16-2=14 Exploring Operation: 64-2=62, Resulting Numbers: [16, 62] Generated Node #0,4,3: 98:[16, 62] Operation: 64-2=62 Exploring Operation: 16/2=8, Resulting Numbers: [64, 8] Generated Node #0,4,4: 98:[64, 8] Operation: 16/2=8 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 98:[2, 48], Operations: ['28-12=16', '64-16=48'] Exploring Operation: 48/2=24, Resulting Numbers: [24] 24,98 unequal: No Solution Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,98 unequal: No Solution Exploring Operation: 2*48=96, Resulting Numbers: [96] 96,98 unequal: No Solution Exploring Operation: 2+48=50, Resulting Numbers: [50] 50,98 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 #0,4,0 Current State: 98:[2, 4], Operations: ['28-12=16', '64/16=4'] Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,98 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,98 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,98 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 #0,4,2 Current State: 98:[64, 14], Operations: ['28-12=16', '16-2=14'] Exploring Operation: 64-14=50, Resulting Numbers: [50] 50,98 unequal: No Solution Exploring Operation: 64*14=896, Resulting Numbers: [896] 896,98 unequal: No Solution Exploring Operation: 64+14=78, Resulting Numbers: [78] 78,98 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 #0,4,3 Current State: 98:[16, 62], Operations: ['28-12=16', '64-2=62'] Exploring Operation: 16+62=78, Resulting Numbers: [78] 78,98 unequal: No Solution Exploring Operation: 62-16=46, Resulting Numbers: [46] 46,98 unequal: No Solution Exploring Operation: 16*62=992, Resulting Numbers: [992] 992,98 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 #0,4,4 Current State: 98:[64, 8], Operations: ['28-12=16', '16/2=8'] Exploring Operation: 64*8=512, Resulting Numbers: [512] 512,98 unequal: No Solution Exploring Operation: 64+8=72, Resulting Numbers: [72] 72,98 unequal: No Solution Exploring Operation: 64/8=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 64-8=56, Resulting Numbers: [56] 56,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,2 Current State: 98:[2, 3], Operations: ['64-28=36', '36/12=3'] Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,98 unequal: No Solution Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,98 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,98 unequal: No Solution Moving to Node #0,3,3 Current State: 98:[2, 48], Operations: ['64-28=36', '12+36=48'] Exploring Operation: 2+48=50, Resulting Numbers: [50] 50,98 unequal: No Solution Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,98 unequal: No Solution Exploring Operation: 2*48=96, Resulting Numbers: [96] 96,98 unequal: No Solution Exploring Operation: 48/2=24, Resulting Numbers: [24] 24,98 unequal: No Solution Moving to Node #0,0,3 Current State: 98:[12, 46], Operations: ['28+64=92', '92/2=46'] Exploring Operation: 12*46=552, Resulting Numbers: [552] 552,98 unequal: No Solution Exploring Operation: 46-12=34, Resulting Numbers: [34] 34,98 unequal: No Solution Exploring Operation: 12+46=58, Resulting Numbers: [58] 58,98 unequal: No Solution Moving to Node #0,0,1 Current State: 98:[92, 14], Operations: ['28+64=92', '2+12=14'] Exploring Operation: 92+14=106, Resulting Numbers: [106] 106,98 unequal: No Solution Exploring Operation: 92-14=78, Resulting Numbers: [78] 78,98 unequal: No Solution Exploring Operation: 92*14=1288, Resulting Numbers: [1288] 1288,98 unequal: No Solution Moving to Node #0,3,0 Current State: 98:[12, 18], Operations: ['64-28=36', '36/2=18'] Exploring Operation: 12+18=30, Resulting Numbers: [30] 30,98 unequal: No Solution Exploring Operation: 18-12=6, Resulting Numbers: [6] 6,98 unequal: No Solution Exploring Operation: 12*18=216, Resulting Numbers: [216] 216,98 unequal: No Solution Moving to Node #0,0,0 Current State: 98:[2, 104], Operations: ['28+64=92', '12+92=104'] Exploring Operation: 104-2=102, Resulting Numbers: [102] 102,98 unequal: No Solution Exploring Operation: 2*104=208, Resulting Numbers: [208] 208,98 unequal: No Solution Exploring Operation: 2+104=106, Resulting Numbers: [106] 106,98 unequal: No Solution Exploring Operation: 104/2=52, Resulting Numbers: [52] 52,98 unequal: No Solution Moving to Node #0,0,4 Current State: 98:[12, 94], Operations: ['28+64=92', '2+92=94'] Exploring Operation: 94-12=82, Resulting Numbers: [82] 82,98 unequal: No Solution Exploring Operation: 12*94=1128, Resulting Numbers: [1128] 1128,98 unequal: No Solution Exploring Operation: 12+94=106, Resulting Numbers: [106] 106,98 unequal: No Solution Moving to Node #0,0,2 Current State: 98:[92, 6], Operations: ['28+64=92', '12/2=6'] Exploring Operation: 92*6=552, Resulting Numbers: [552] 552,98 unequal: No Solution Exploring Operation: 92+6=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[28, 2, 64, 12], Operations: [] Exploring Operation: 28+64=92, Resulting Numbers: [2, 12, 92] Generated Node #0,0: 98:[2, 12, 92] Operation: 28+64=92 Moving to Node #0,0 Current State: 98:[2, 12, 92], Operations: ['28+64=92'] Exploring Operation: 12/2=6, Resulting Numbers: [92, 6] Generated Node #0,0,2: 98:[92, 6] Operation: 12/2=6 Moving to Node #0,0,2 Current State: 98:[92, 6], Operations: ['28+64=92', '12/2=6'] Exploring Operation: 92+6=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
0.904514
hs_5
sum_heuristic
[ 11, 14, 33, 66 ]
99
[ "14-11=3", "66-33=33", "3*33=99" ]
Current State: 99:[11, 14, 33, 66], Operations: [] Exploring Operation: 14-11=3, Resulting Numbers: [33, 66, 3] Generated Node #2: [33, 66, 3] from Operation: 14-11=3 Current State: 99:[33, 66, 3], Operations: ['14-11=3'] Exploring Operation: 66-33=33, Resulting Numbers: [3, 33] Generated Node #3: [3, 33] from Operation: 66-33=33 Current State: 99:[3, 33], Operations: ['14-11=3', '66-33=33'] Exploring Operation: 3*33=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[11, 14, 33, 66], Operations: [] Exploring Operation: 66/33=2, Resulting Numbers: [11, 14, 2] Generated Node #0,0: 99:[11, 14, 2] Operation: 66/33=2 Exploring Operation: 66-33=33, Resulting Numbers: [11, 14, 33] Generated Node #0,1: 99:[11, 14, 33] Operation: 66-33=33 Exploring Operation: 33+66=99, Resulting Numbers: [11, 14, 99] Generated Node #0,2: 99:[11, 14, 99] Operation: 33+66=99 Moving to Node #0,1 Current State: 99:[11, 14, 33], Operations: ['66-33=33'] Exploring Operation: 14-11=3, Resulting Numbers: [33, 3] Generated Node #0,1,0: 99:[33, 3] Operation: 14-11=3 Exploring Operation: 33/11=3, Resulting Numbers: [14, 3] Generated Node #0,1,1: 99:[14, 3] Operation: 33/11=3 Exploring Operation: 11+14=25, Resulting Numbers: [33, 25] Generated Node #0,1,2: 99:[33, 25] Operation: 11+14=25 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 99:[33, 3], Operations: ['66-33=33', '14-11=3'] Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,99 unequal: No Solution Exploring Operation: 33+3=36, Resulting Numbers: [36] 36,99 unequal: No Solution Exploring Operation: 33*3=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[11, 14, 33, 66], Operations: [] Exploring Operation: 66-33=33, Resulting Numbers: [11, 14, 33] Generated Node #0,1: 99:[11, 14, 33] Operation: 66-33=33 Moving to Node #0,1 Current State: 99:[11, 14, 33], Operations: ['66-33=33'] Exploring Operation: 14-11=3, Resulting Numbers: [33, 3] Generated Node #0,1,0: 99:[33, 3] Operation: 14-11=3 Moving to Node #0,1,0 Current State: 99:[33, 3], Operations: ['66-33=33', '14-11=3'] Exploring Operation: 33*3=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 32, 52, 17, 51 ]
50
[ "32+52=84", "51-17=34", "84-34=50" ]
Current State: 50:[32, 52, 17, 51], Operations: [] Exploring Operation: 32+52=84, Resulting Numbers: [17, 51, 84] Generated Node #2: [17, 51, 84] from Operation: 32+52=84 Current State: 50:[17, 51, 84], Operations: ['32+52=84'] Exploring Operation: 51-17=34, Resulting Numbers: [84, 34] Generated Node #3: [84, 34] from Operation: 51-17=34 Current State: 50:[84, 34], Operations: ['32+52=84', '51-17=34'] Exploring Operation: 84-34=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[32, 52, 17, 51], Operations: [] Exploring Operation: 32+17=49, Resulting Numbers: [52, 51, 49] Generated Node #0,0: 50:[52, 51, 49] Operation: 32+17=49 Exploring Operation: 51/17=3, Resulting Numbers: [32, 52, 3] Generated Node #0,1: 50:[32, 52, 3] Operation: 51/17=3 Exploring Operation: 32-17=15, Resulting Numbers: [52, 51, 15] Generated Node #0,2: 50:[52, 51, 15] Operation: 32-17=15 Moving to Node #0,0 Current State: 50:[52, 51, 49], Operations: ['32+17=49'] Exploring Operation: 52-51=1, Resulting Numbers: [49, 1] Generated Node #0,0,0: 50:[49, 1] Operation: 52-51=1 Exploring Operation: 51-49=2, Resulting Numbers: [52, 2] Generated Node #0,0,1: 50:[52, 2] Operation: 51-49=2 Exploring Operation: 52-49=3, Resulting Numbers: [51, 3] Generated Node #0,0,2: 50:[51, 3] Operation: 52-49=3 Moving to Node #0,2 Current State: 50:[52, 51, 15], Operations: ['32-17=15'] Exploring Operation: 52-15=37, Resulting Numbers: [51, 37] Generated Node #0,2,0: 50:[51, 37] Operation: 52-15=37 Exploring Operation: 51-15=36, Resulting Numbers: [52, 36] Generated Node #0,2,1: 50:[52, 36] Operation: 51-15=36 Exploring Operation: 52-51=1, Resulting Numbers: [15, 1] Generated Node #0,2,2: 50:[15, 1] Operation: 52-51=1 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 50:[15, 1], Operations: ['32-17=15', '52-51=1'] Exploring Operation: 15/1=15, Resulting Numbers: [15] 15,50 unequal: No Solution Exploring Operation: 15-1=14, Resulting Numbers: [14] 14,50 unequal: No Solution Exploring Operation: 15*1=15, Resulting Numbers: [15] 15,50 unequal: No Solution No 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: 50:[51, 37], Operations: ['32-17=15', '52-15=37'] Exploring Operation: 51*37=1887, Resulting Numbers: [1887] 1887,50 unequal: No Solution Exploring Operation: 51+37=88, Resulting Numbers: [88] 88,50 unequal: No Solution Exploring Operation: 51-37=14, Resulting Numbers: [14] 14,50 unequal: No Solution No 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: 50:[52, 36], Operations: ['32-17=15', '51-15=36'] Exploring Operation: 52+36=88, Resulting Numbers: [88] 88,50 unequal: No Solution Exploring Operation: 52*36=1872, Resulting Numbers: [1872] 1872,50 unequal: No Solution Exploring Operation: 52-36=16, Resulting Numbers: [16] 16,50 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: 50:[32, 52, 3], Operations: ['51/17=3'] Exploring Operation: 52-32=20, Resulting Numbers: [3, 20] Generated Node #0,1,0: 50:[3, 20] Operation: 52-32=20 Exploring Operation: 32-3=29, Resulting Numbers: [52, 29] Generated Node #0,1,1: 50:[52, 29] Operation: 32-3=29 Exploring Operation: 52-3=49, Resulting Numbers: [32, 49] Generated Node #0,1,2: 50:[32, 49] Operation: 52-3=49 Moving to Node #0,0,0 Current State: 50:[49, 1], Operations: ['32+17=49', '52-51=1'] Exploring Operation: 49*1=49, Resulting Numbers: [49] 49,50 unequal: No Solution Exploring Operation: 49/1=49, Resulting Numbers: [49] 49,50 unequal: No Solution Exploring Operation: 49+1=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[32, 52, 17, 51], Operations: [] Exploring Operation: 32+17=49, Resulting Numbers: [52, 51, 49] Generated Node #0,0: 50:[52, 51, 49] Operation: 32+17=49 Moving to Node #0,0 Current State: 50:[52, 51, 49], Operations: ['32+17=49'] Exploring Operation: 52-51=1, Resulting Numbers: [49, 1] Generated Node #0,0,0: 50:[49, 1] Operation: 52-51=1 Moving to Node #0,0,0 Current State: 50:[49, 1], Operations: ['32+17=49', '52-51=1'] Exploring Operation: 49+1=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
0.975694
hs_3
sum_heuristic
[ 41, 55, 4, 31 ]
68
[ "55-41=14", "31-14=17", "4*17=68" ]
Current State: 68:[41, 55, 4, 31], Operations: [] Exploring Operation: 55-41=14, Resulting Numbers: [4, 31, 14] Generated Node #2: [4, 31, 14] from Operation: 55-41=14 Current State: 68:[4, 31, 14], Operations: ['55-41=14'] Exploring Operation: 31-14=17, Resulting Numbers: [4, 17] Generated Node #3: [4, 17] from Operation: 31-14=17 Current State: 68:[4, 17], Operations: ['55-41=14', '31-14=17'] Exploring Operation: 4*17=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[41, 55, 4, 31], Operations: [] Exploring Operation: 55-41=14, Resulting Numbers: [4, 31, 14] Generated Node #0,0: 68:[4, 31, 14] Operation: 55-41=14 Exploring Operation: 55-31=24, Resulting Numbers: [41, 4, 24] Generated Node #0,1: 68:[41, 4, 24] Operation: 55-31=24 Exploring Operation: 41+31=72, Resulting Numbers: [55, 4, 72] Generated Node #0,2: 68:[55, 4, 72] Operation: 41+31=72 Moving to Node #0,0 Current State: 68:[4, 31, 14], Operations: ['55-41=14'] Exploring Operation: 31-14=17, Resulting Numbers: [4, 17] Generated Node #0,0,0: 68:[4, 17] Operation: 31-14=17 Exploring Operation: 4+14=18, Resulting Numbers: [31, 18] Generated Node #0,0,1: 68:[31, 18] Operation: 4+14=18 Exploring Operation: 4+31=35, Resulting Numbers: [14, 35] Generated Node #0,0,2: 68:[14, 35] Operation: 4+31=35 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 68:[4, 17], Operations: ['55-41=14', '31-14=17'] Exploring Operation: 4*17=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[41, 55, 4, 31], Operations: [] Exploring Operation: 55-41=14, Resulting Numbers: [4, 31, 14] Generated Node #0,0: 68:[4, 31, 14] Operation: 55-41=14 Moving to Node #0,0 Current State: 68:[4, 31, 14], Operations: ['55-41=14'] Exploring Operation: 31-14=17, Resulting Numbers: [4, 17] Generated Node #0,0,0: 68:[4, 17] Operation: 31-14=17 Moving to Node #0,0,0 Current State: 68:[4, 17], Operations: ['55-41=14', '31-14=17'] Exploring Operation: 4*17=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 22, 71, 4, 5 ]
49
[ "71-22=49", "5-4=1", "49*1=49" ]
Current State: 49:[22, 71, 4, 5], Operations: [] Exploring Operation: 71-22=49, Resulting Numbers: [4, 5, 49] Generated Node #2: [4, 5, 49] from Operation: 71-22=49 Current State: 49:[4, 5, 49], Operations: ['71-22=49'] Exploring Operation: 5-4=1, Resulting Numbers: [49, 1] Generated Node #3: [49, 1] from Operation: 5-4=1 Current State: 49:[49, 1], Operations: ['71-22=49', '5-4=1'] Exploring Operation: 49*1=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[22, 71, 4, 5], Operations: [] Exploring Operation: 71-22=49, Resulting Numbers: [4, 5, 49] Generated Node #0,0: 49:[4, 5, 49] Operation: 71-22=49 Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[4, 5, 49], Operations: ['71-22=49'] Exploring Operation: 4+5=9, Resulting Numbers: [49, 9] Generated Node #0,0,0: 49:[49, 9] Operation: 4+5=9 Moving to Node #0,0,0 Current State: 49:[49, 9], Operations: ['71-22=49', '4+5=9'] Exploring Operation: 49+9=58, Resulting Numbers: [58] 58,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 25, 48, 2, 93 ]
72
[ "48-25=23", "2+93=95", "95-23=72" ]
Current State: 72:[25, 48, 2, 93], Operations: [] Exploring Operation: 48-25=23, Resulting Numbers: [2, 93, 23] Generated Node #2: [2, 93, 23] from Operation: 48-25=23 Current State: 72:[2, 93, 23], Operations: ['48-25=23'] Exploring Operation: 2+93=95, Resulting Numbers: [23, 95] Generated Node #3: [23, 95] from Operation: 2+93=95 Current State: 72:[23, 95], Operations: ['48-25=23', '2+93=95'] Exploring Operation: 95-23=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[25, 48, 2, 93], Operations: [] Exploring Operation: 93-48=45, Resulting Numbers: [25, 2, 45] Generated Node #0,0: 72:[25, 2, 45] Operation: 93-48=45 Exploring Operation: 93-25=68, Resulting Numbers: [48, 2, 68] Generated Node #0,1: 72:[48, 2, 68] Operation: 93-25=68 Moving to Node #0,0 Current State: 72:[25, 2, 45], Operations: ['93-48=45'] Exploring Operation: 25+45=70, Resulting Numbers: [2, 70] Generated Node #0,0,0: 72:[2, 70] Operation: 25+45=70 Exploring Operation: 45-25=20, Resulting Numbers: [2, 20] Generated Node #0,0,1: 72:[2, 20] Operation: 45-25=20 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 72:[2, 70], Operations: ['93-48=45', '25+45=70'] Exploring Operation: 70/2=35, Resulting Numbers: [35] 35,72 unequal: No Solution Exploring Operation: 2+70=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[25, 48, 2, 93], Operations: [] Exploring Operation: 93-48=45, Resulting Numbers: [25, 2, 45] Generated Node #0,0: 72:[25, 2, 45] Operation: 93-48=45 Moving to Node #0,0 Current State: 72:[25, 2, 45], Operations: ['93-48=45'] Exploring Operation: 25+45=70, Resulting Numbers: [2, 70] Generated Node #0,0,0: 72:[2, 70] Operation: 25+45=70 Moving to Node #0,0,0 Current State: 72:[2, 70], Operations: ['93-48=45', '25+45=70'] Exploring Operation: 2+70=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 74, 53, 74, 1 ]
96
[ "74-53=21", "74+1=75", "21+75=96" ]
Current State: 96:[74, 53, 74, 1], Operations: [] Exploring Operation: 74-53=21, Resulting Numbers: [1, 21] Generated Node #2: [1, 21] from Operation: 74-53=21 Current State: 96:[1, 21], Operations: ['74-53=21'] Exploring Operation: 74+1=75, Resulting Numbers: [21, 75] Generated Node #3: [21, 75] from Operation: 74+1=75 Current State: 96:[21, 75], Operations: ['74-53=21', '74+1=75'] Exploring Operation: 21+75=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[74, 53, 74, 1], Operations: [] Exploring Operation: 74/74=1, Resulting Numbers: [53, 1, 1] Generated Node #0,0: 96:[53, 1, 1] Operation: 74/74=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[53, 1, 1], Operations: ['74/74=1'] Exploring Operation: 53-1=52, Resulting Numbers: [1, 52] Generated Node #0,0,0: 96:[1, 52] Operation: 53-1=52 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 96:[1, 52], Operations: ['74/74=1', '53-1=52'] Exploring Operation: 52-1=51, Resulting Numbers: [51] 51,96 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 No solution found.
0
hs_1
sum_heuristic
[ 65, 32, 73, 20 ]
96
[ "73-65=8", "32-20=12", "8*12=96" ]
Current State: 96:[65, 32, 73, 20], Operations: [] Exploring Operation: 73-65=8, Resulting Numbers: [32, 20, 8] Generated Node #2: [32, 20, 8] from Operation: 73-65=8 Current State: 96:[32, 20, 8], Operations: ['73-65=8'] Exploring Operation: 32-20=12, Resulting Numbers: [8, 12] Generated Node #3: [8, 12] from Operation: 32-20=12 Current State: 96:[8, 12], Operations: ['73-65=8', '32-20=12'] Exploring Operation: 8*12=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[65, 32, 73, 20], Operations: [] Exploring Operation: 73-20=53, Resulting Numbers: [65, 32, 53] Generated Node #0,0: 96:[65, 32, 53] Operation: 73-20=53 Exploring Operation: 65-20=45, Resulting Numbers: [32, 73, 45] Generated Node #0,1: 96:[32, 73, 45] Operation: 65-20=45 Exploring Operation: 73+20=93, Resulting Numbers: [65, 32, 93] Generated Node #0,2: 96:[65, 32, 93] Operation: 73+20=93 Exploring Operation: 73-65=8, Resulting Numbers: [32, 20, 8] Generated Node #0,3: 96:[32, 20, 8] Operation: 73-65=8 Moving to Node #0,3 Current State: 96:[32, 20, 8], Operations: ['73-65=8'] Exploring Operation: 20-8=12, Resulting Numbers: [32, 12] Generated Node #0,3,0: 96:[32, 12] Operation: 20-8=12 Exploring Operation: 32-20=12, Resulting Numbers: [8, 12] Generated Node #0,3,1: 96:[8, 12] Operation: 32-20=12 Exploring Operation: 32-8=24, Resulting Numbers: [20, 24] Generated Node #0,3,2: 96:[20, 24] Operation: 32-8=24 Exploring Operation: 32+20=52, Resulting Numbers: [8, 52] Generated Node #0,3,3: 96:[8, 52] Operation: 32+20=52 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 96:[32, 12], Operations: ['73-65=8', '20-8=12'] Exploring Operation: 32-12=20, Resulting Numbers: [20] 20,96 unequal: No Solution Exploring Operation: 32*12=384, Resulting Numbers: [384] 384,96 unequal: No Solution Exploring Operation: 32+12=44, Resulting Numbers: [44] 44,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 96:[8, 12], Operations: ['73-65=8', '32-20=12'] Exploring Operation: 8+12=20, Resulting Numbers: [20] 20,96 unequal: No Solution Exploring Operation: 12-8=4, Resulting Numbers: [4] 4,96 unequal: No Solution Exploring Operation: 8*12=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[65, 32, 73, 20], Operations: [] Exploring Operation: 73-65=8, Resulting Numbers: [32, 20, 8] Generated Node #0,3: 96:[32, 20, 8] Operation: 73-65=8 Moving to Node #0,3 Current State: 96:[32, 20, 8], Operations: ['73-65=8'] Exploring Operation: 32-20=12, Resulting Numbers: [8, 12] Generated Node #0,3,1: 96:[8, 12] Operation: 32-20=12 Moving to Node #0,3,1 Current State: 96:[8, 12], Operations: ['73-65=8', '32-20=12'] Exploring Operation: 8*12=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
sum_heuristic
[ 28, 67, 41, 63 ]
52
[ "41-28=13", "67-63=4", "13*4=52" ]
Current State: 52:[28, 67, 41, 63], Operations: [] Exploring Operation: 41-28=13, Resulting Numbers: [67, 63, 13] Generated Node #2: [67, 63, 13] from Operation: 41-28=13 Current State: 52:[67, 63, 13], Operations: ['41-28=13'] Exploring Operation: 67-63=4, Resulting Numbers: [13, 4] Generated Node #3: [13, 4] from Operation: 67-63=4 Current State: 52:[13, 4], Operations: ['41-28=13', '67-63=4'] Exploring Operation: 13*4=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[28, 67, 41, 63], Operations: [] Exploring Operation: 67-41=26, Resulting Numbers: [28, 63, 26] Generated Node #0,0: 52:[28, 63, 26] Operation: 67-41=26 Moving to Node #0,0 Current State: 52:[28, 63, 26], Operations: ['67-41=26'] Exploring Operation: 63-28=35, Resulting Numbers: [26, 35] Generated Node #0,0,0: 52:[26, 35] Operation: 63-28=35 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 52:[26, 35], Operations: ['67-41=26', '63-28=35'] Exploring Operation: 35-26=9, Resulting Numbers: [9] 9,52 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
[ 62, 63, 40, 73 ]
34
[ "63-62=1", "73-40=33", "1+33=34" ]
Current State: 34:[62, 63, 40, 73], Operations: [] Exploring Operation: 63-62=1, Resulting Numbers: [40, 73, 1] Generated Node #2: [40, 73, 1] from Operation: 63-62=1 Current State: 34:[40, 73, 1], Operations: ['63-62=1'] Exploring Operation: 73-40=33, Resulting Numbers: [1, 33] Generated Node #3: [1, 33] from Operation: 73-40=33 Current State: 34:[1, 33], Operations: ['63-62=1', '73-40=33'] Exploring Operation: 1+33=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[62, 63, 40, 73], Operations: [] Exploring Operation: 73-40=33, Resulting Numbers: [62, 63, 33] Generated Node #0,0: 34:[62, 63, 33] Operation: 73-40=33 Exploring Operation: 73-62=11, Resulting Numbers: [63, 40, 11] Generated Node #0,1: 34:[63, 40, 11] Operation: 73-62=11 Exploring Operation: 73-63=10, Resulting Numbers: [62, 40, 10] Generated Node #0,2: 34:[62, 40, 10] Operation: 73-63=10 Exploring Operation: 63-62=1, Resulting Numbers: [40, 73, 1] Generated Node #0,3: 34:[40, 73, 1] Operation: 63-62=1 Exploring Operation: 62-40=22, Resulting Numbers: [63, 73, 22] Generated Node #0,4: 34:[63, 73, 22] Operation: 62-40=22 Moving to Node #0,1 Current State: 34:[63, 40, 11], Operations: ['73-62=11'] Exploring Operation: 63-11=52, Resulting Numbers: [40, 52] Generated Node #0,1,0: 34:[40, 52] Operation: 63-11=52 Exploring Operation: 40-11=29, Resulting Numbers: [63, 29] Generated Node #0,1,1: 34:[63, 29] Operation: 40-11=29 Exploring Operation: 63+11=74, Resulting Numbers: [40, 74] Generated Node #0,1,2: 34:[40, 74] Operation: 63+11=74 Exploring Operation: 40+11=51, Resulting Numbers: [63, 51] Generated Node #0,1,3: 34:[63, 51] Operation: 40+11=51 Exploring Operation: 63-40=23, Resulting Numbers: [11, 23] Generated Node #0,1,4: 34:[11, 23] Operation: 63-40=23 Moving to Node #0,2 Current State: 34:[62, 40, 10], Operations: ['73-63=10'] Exploring Operation: 40/10=4, Resulting Numbers: [62, 4] Generated Node #0,2,0: 34:[62, 4] Operation: 40/10=4 Exploring Operation: 62-40=22, Resulting Numbers: [10, 22] Generated Node #0,2,1: 34:[10, 22] Operation: 62-40=22 Exploring Operation: 62+10=72, Resulting Numbers: [40, 72] Generated Node #0,2,2: 34:[40, 72] Operation: 62+10=72 Exploring Operation: 62-10=52, Resulting Numbers: [40, 52] Generated Node #0,2,3: 34:[40, 52] Operation: 62-10=52 Exploring Operation: 40-10=30, Resulting Numbers: [62, 30] Generated Node #0,2,4: 34:[62, 30] Operation: 40-10=30 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 34:[10, 22], Operations: ['73-63=10', '62-40=22'] Exploring Operation: 10*22=220, Resulting Numbers: [220] 220,34 unequal: No Solution Exploring Operation: 22-10=12, Resulting Numbers: [12] 12,34 unequal: No Solution Exploring Operation: 10+22=32, Resulting Numbers: [32] 32,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 34:[40, 52], Operations: ['73-63=10', '62-10=52'] Exploring Operation: 52-40=12, Resulting Numbers: [12] 12,34 unequal: No Solution Exploring Operation: 40*52=2080, Resulting Numbers: [2080] 2080,34 unequal: No Solution Exploring Operation: 40+52=92, Resulting Numbers: [92] 92,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 34:[62, 4], Operations: ['73-63=10', '40/10=4'] Exploring Operation: 62*4=248, Resulting Numbers: [248] 248,34 unequal: No Solution Exploring Operation: 62-4=58, Resulting Numbers: [58] 58,34 unequal: No Solution Exploring Operation: 62+4=66, Resulting Numbers: [66] 66,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 34:[62, 30], Operations: ['73-63=10', '40-10=30'] Exploring Operation: 62+30=92, Resulting Numbers: [92] 92,34 unequal: No Solution Exploring Operation: 62*30=1860, Resulting Numbers: [1860] 1860,34 unequal: No Solution Exploring Operation: 62-30=32, Resulting Numbers: [32] 32,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 34:[40, 72], Operations: ['73-63=10', '62+10=72'] Exploring Operation: 40*72=2880, Resulting Numbers: [2880] 2880,34 unequal: No Solution Exploring Operation: 40+72=112, Resulting Numbers: [112] 112,34 unequal: No Solution Exploring Operation: 72-40=32, Resulting Numbers: [32] 32,34 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: 34:[40, 73, 1], Operations: ['63-62=1'] Exploring Operation: 73-40=33, Resulting Numbers: [1, 33] Generated Node #0,3,0: 34:[1, 33] Operation: 73-40=33 Exploring Operation: 73-1=72, Resulting Numbers: [40, 72] Generated Node #0,3,1: 34:[40, 72] Operation: 73-1=72 Exploring Operation: 40/1=40, Resulting Numbers: [73, 40] Generated Node #0,3,2: 34:[73, 40] Operation: 40/1=40 Exploring Operation: 40*1=40, Resulting Numbers: [73, 40] Generated Node #0,3,3: 34:[73, 40] Operation: 40*1=40 Exploring Operation: 40-1=39, Resulting Numbers: [73, 39] Generated Node #0,3,4: 34:[73, 39] Operation: 40-1=39 Moving to Node #0,0 Current State: 34:[62, 63, 33], Operations: ['73-40=33'] Exploring Operation: 63+33=96, Resulting Numbers: [62, 96] Generated Node #0,0,0: 34:[62, 96] Operation: 63+33=96 Exploring Operation: 62+33=95, Resulting Numbers: [63, 95] Generated Node #0,0,1: 34:[63, 95] Operation: 62+33=95 Exploring Operation: 63-62=1, Resulting Numbers: [33, 1] Generated Node #0,0,2: 34:[33, 1] Operation: 63-62=1 Exploring Operation: 62-33=29, Resulting Numbers: [63, 29] Generated Node #0,0,3: 34:[63, 29] Operation: 62-33=29 Exploring Operation: 63-33=30, Resulting Numbers: [62, 30] Generated Node #0,0,4: 34:[62, 30] Operation: 63-33=30 Moving to Node #0,4 Current State: 34:[63, 73, 22], Operations: ['62-40=22'] Exploring Operation: 63+22=85, Resulting Numbers: [73, 85] Generated Node #0,4,0: 34:[73, 85] Operation: 63+22=85 Exploring Operation: 63-22=41, Resulting Numbers: [73, 41] Generated Node #0,4,1: 34:[73, 41] Operation: 63-22=41 Exploring Operation: 73+22=95, Resulting Numbers: [63, 95] Generated Node #0,4,2: 34:[63, 95] Operation: 73+22=95 Exploring Operation: 73-22=51, Resulting Numbers: [63, 51] Generated Node #0,4,3: 34:[63, 51] Operation: 73-22=51 Exploring Operation: 73-63=10, Resulting Numbers: [22, 10] Generated Node #0,4,4: 34:[22, 10] Operation: 73-63=10 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 34:[22, 10], Operations: ['62-40=22', '73-63=10'] Exploring Operation: 22+10=32, Resulting Numbers: [32] 32,34 unequal: No Solution Exploring Operation: 22*10=220, Resulting Numbers: [220] 220,34 unequal: No Solution Exploring Operation: 22-10=12, Resulting Numbers: [12] 12,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 34:[73, 41], Operations: ['62-40=22', '63-22=41'] Exploring Operation: 73-41=32, Resulting Numbers: [32] 32,34 unequal: No Solution Exploring Operation: 73+41=114, Resulting Numbers: [114] 114,34 unequal: No Solution Exploring Operation: 73*41=2993, Resulting Numbers: [2993] 2993,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 34:[63, 51], Operations: ['62-40=22', '73-22=51'] Exploring Operation: 63-51=12, Resulting Numbers: [12] 12,34 unequal: No Solution Exploring Operation: 63*51=3213, Resulting Numbers: [3213] 3213,34 unequal: No Solution Exploring Operation: 63+51=114, Resulting Numbers: [114] 114,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 34:[73, 85], Operations: ['62-40=22', '63+22=85'] Exploring Operation: 73*85=6205, Resulting Numbers: [6205] 6205,34 unequal: No Solution Exploring Operation: 73+85=158, Resulting Numbers: [158] 158,34 unequal: No Solution Exploring Operation: 85-73=12, Resulting Numbers: [12] 12,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 34:[63, 95], Operations: ['62-40=22', '73+22=95'] Exploring Operation: 63+95=158, Resulting Numbers: [158] 158,34 unequal: No Solution Exploring Operation: 63*95=5985, Resulting Numbers: [5985] 5985,34 unequal: No Solution Exploring Operation: 95-63=32, Resulting Numbers: [32] 32,34 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: 34:[1, 33], Operations: ['63-62=1', '73-40=33'] Exploring Operation: 1*33=33, Resulting Numbers: [33] 33,34 unequal: No Solution Exploring Operation: 1+33=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[62, 63, 40, 73], Operations: [] Exploring Operation: 63-62=1, Resulting Numbers: [40, 73, 1] Generated Node #0,3: 34:[40, 73, 1] Operation: 63-62=1 Moving to Node #0,3 Current State: 34:[40, 73, 1], Operations: ['63-62=1'] Exploring Operation: 73-40=33, Resulting Numbers: [1, 33] Generated Node #0,3,0: 34:[1, 33] Operation: 73-40=33 Moving to Node #0,3,0 Current State: 34:[1, 33], Operations: ['63-62=1', '73-40=33'] Exploring Operation: 1+33=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
0.942708
hs_5
mult_heuristic
[ 36, 29, 32, 19 ]
24
[ "36*32=1152", "29+19=48", "1152/48=24" ]
Current State: 24:[36, 29, 32, 19], Operations: [] Exploring Operation: 36*32=1152, Resulting Numbers: [29, 19, 1152] Generated Node #2: [29, 19, 1152] from Operation: 36*32=1152 Current State: 24:[29, 19, 1152], Operations: ['36*32=1152'] Exploring Operation: 29+19=48, Resulting Numbers: [1152, 48] Generated Node #3: [1152, 48] from Operation: 29+19=48 Current State: 24:[1152, 48], Operations: ['36*32=1152', '29+19=48'] Exploring Operation: 1152/48=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[36, 29, 32, 19], Operations: [] Exploring Operation: 36-32=4, Resulting Numbers: [29, 19, 4] Generated Node #0,0: 24:[29, 19, 4] Operation: 36-32=4 Moving to Node #0,0 Current State: 24:[29, 19, 4], Operations: ['36-32=4'] Exploring Operation: 29-19=10, Resulting Numbers: [4, 10] Generated Node #0,0,0: 24:[4, 10] Operation: 29-19=10 Moving to Node #0,0,0 Current State: 24:[4, 10], Operations: ['36-32=4', '29-19=10'] Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,24 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 17, 3, 72, 78 ]
71
[ "17+78=95", "72/3=24", "95-24=71" ]
Current State: 71:[17, 3, 72, 78], Operations: [] Exploring Operation: 17+78=95, Resulting Numbers: [3, 72, 95] Generated Node #2: [3, 72, 95] from Operation: 17+78=95 Current State: 71:[3, 72, 95], Operations: ['17+78=95'] Exploring Operation: 72/3=24, Resulting Numbers: [95, 24] Generated Node #3: [95, 24] from Operation: 72/3=24 Current State: 71:[95, 24], Operations: ['17+78=95', '72/3=24'] Exploring Operation: 95-24=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[17, 3, 72, 78], Operations: [] Exploring Operation: 72-3=69, Resulting Numbers: [17, 78, 69] Generated Node #0,0: 71:[17, 78, 69] Operation: 72-3=69 Exploring Operation: 78-3=75, Resulting Numbers: [17, 72, 75] Generated Node #0,1: 71:[17, 72, 75] Operation: 78-3=75 Exploring Operation: 17-3=14, Resulting Numbers: [72, 78, 14] Generated Node #0,2: 71:[72, 78, 14] Operation: 17-3=14 Exploring Operation: 17+3=20, Resulting Numbers: [72, 78, 20] Generated Node #0,3: 71:[72, 78, 20] Operation: 17+3=20 Exploring Operation: 17*3=51, Resulting Numbers: [72, 78, 51] Generated Node #0,4: 71:[72, 78, 51] Operation: 17*3=51 Start Sub Search at level 1: Moving to Node #0,4 Current State: 71:[72, 78, 51], Operations: ['17*3=51'] Exploring Operation: 78+51=129, Resulting Numbers: [72, 129] Generated Node #0,4,0: 71:[72, 129] Operation: 78+51=129 Exploring Operation: 72+51=123, Resulting Numbers: [78, 123] Generated Node #0,4,1: 71:[78, 123] Operation: 72+51=123 Exploring Operation: 72-51=21, Resulting Numbers: [78, 21] Generated Node #0,4,2: 71:[78, 21] Operation: 72-51=21 Exploring Operation: 78-51=27, Resulting Numbers: [72, 27] Generated Node #0,4,3: 71:[72, 27] Operation: 78-51=27 Exploring Operation: 78-72=6, Resulting Numbers: [51, 6] Generated Node #0,4,4: 71:[51, 6] Operation: 78-72=6 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 71:[72, 27], Operations: ['17*3=51', '78-51=27'] Exploring Operation: 72+27=99, Resulting Numbers: [99] 99,71 unequal: No Solution Exploring Operation: 72-27=45, Resulting Numbers: [45] 45,71 unequal: No Solution Exploring Operation: 72*27=1944, Resulting Numbers: [1944] 1944,71 unequal: No Solution No 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: 71:[78, 21], Operations: ['17*3=51', '72-51=21'] Exploring Operation: 78+21=99, Resulting Numbers: [99] 99,71 unequal: No Solution Exploring Operation: 78-21=57, Resulting Numbers: [57] 57,71 unequal: No Solution Exploring Operation: 78*21=1638, Resulting Numbers: [1638] 1638,71 unequal: No Solution No 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: 71:[72, 129], Operations: ['17*3=51', '78+51=129'] Exploring Operation: 72*129=9288, Resulting Numbers: [9288] 9288,71 unequal: No Solution Exploring Operation: 129-72=57, Resulting Numbers: [57] 57,71 unequal: No Solution Exploring Operation: 72+129=201, Resulting Numbers: [201] 201,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 71:[78, 123], Operations: ['17*3=51', '72+51=123'] Exploring Operation: 123-78=45, Resulting Numbers: [45] 45,71 unequal: No Solution Exploring Operation: 78+123=201, Resulting Numbers: [201] 201,71 unequal: No Solution Exploring Operation: 78*123=9594, Resulting Numbers: [9594] 9594,71 unequal: No Solution No 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: 71:[51, 6], Operations: ['17*3=51', '78-72=6'] Exploring Operation: 51-6=45, Resulting Numbers: [45] 45,71 unequal: No Solution Exploring Operation: 51+6=57, Resulting Numbers: [57] 57,71 unequal: No Solution Exploring Operation: 51*6=306, Resulting Numbers: [306] 306,71 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: 71:[17, 72, 75], Operations: ['78-3=75'] Exploring Operation: 75-17=58, Resulting Numbers: [72, 58] Generated Node #0,1,0: 71:[72, 58] Operation: 75-17=58 Exploring Operation: 72-17=55, Resulting Numbers: [75, 55] Generated Node #0,1,1: 71:[75, 55] Operation: 72-17=55 Exploring Operation: 17+75=92, Resulting Numbers: [72, 92] Generated Node #0,1,2: 71:[72, 92] Operation: 17+75=92 Exploring Operation: 75-72=3, Resulting Numbers: [17, 3] Generated Node #0,1,3: 71:[17, 3] Operation: 75-72=3 Exploring Operation: 17+72=89, Resulting Numbers: [75, 89] Generated Node #0,1,4: 71:[75, 89] Operation: 17+72=89 Moving to Node #0,1,0 Current State: 71:[72, 58], Operations: ['78-3=75', '75-17=58'] Exploring Operation: 72+58=130, Resulting Numbers: [130] 130,71 unequal: No Solution Exploring Operation: 72*58=4176, Resulting Numbers: [4176] 4176,71 unequal: No Solution Exploring Operation: 72-58=14, Resulting Numbers: [14] 14,71 unequal: No Solution Moving to Node #0,1,1 Current State: 71:[75, 55], Operations: ['78-3=75', '72-17=55'] Exploring Operation: 75*55=4125, Resulting Numbers: [4125] 4125,71 unequal: No Solution Exploring Operation: 75+55=130, Resulting Numbers: [130] 130,71 unequal: No Solution Exploring Operation: 75-55=20, Resulting Numbers: [20] 20,71 unequal: No Solution Moving to Node #0,1,2 Current State: 71:[72, 92], Operations: ['78-3=75', '17+75=92'] Exploring Operation: 72+92=164, Resulting Numbers: [164] 164,71 unequal: No Solution Exploring Operation: 72*92=6624, Resulting Numbers: [6624] 6624,71 unequal: No Solution Exploring Operation: 92-72=20, Resulting Numbers: [20] 20,71 unequal: No Solution Moving to Node #0,1,4 Current State: 71:[75, 89], Operations: ['78-3=75', '17+72=89'] Exploring Operation: 75*89=6675, Resulting Numbers: [6675] 6675,71 unequal: No Solution Exploring Operation: 75+89=164, Resulting Numbers: [164] 164,71 unequal: No Solution Exploring Operation: 89-75=14, Resulting Numbers: [14] 14,71 unequal: No Solution Moving to Node #0,1,3 Current State: 71:[17, 3], Operations: ['78-3=75', '75-72=3'] Exploring Operation: 17*3=51, Resulting Numbers: [51] 51,71 unequal: No Solution Exploring Operation: 17+3=20, Resulting Numbers: [20] 20,71 unequal: No Solution Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 71:[72, 78, 20], Operations: ['17+3=20'] Exploring Operation: 78-20=58, Resulting Numbers: [72, 58] Generated Node #0,3,0: 71:[72, 58] Operation: 78-20=58 Exploring Operation: 78-72=6, Resulting Numbers: [20, 6] Generated Node #0,3,1: 71:[20, 6] Operation: 78-72=6 Exploring Operation: 72-20=52, Resulting Numbers: [78, 52] Generated Node #0,3,2: 71:[78, 52] Operation: 72-20=52 Exploring Operation: 78+20=98, Resulting Numbers: [72, 98] Generated Node #0,3,3: 71:[72, 98] Operation: 78+20=98 Exploring Operation: 72+20=92, Resulting Numbers: [78, 92] Generated Node #0,3,4: 71:[78, 92] Operation: 72+20=92 Moving to Node #0,3,0 Current State: 71:[72, 58], Operations: ['17+3=20', '78-20=58'] Exploring Operation: 72-58=14, Resulting Numbers: [14] 14,71 unequal: No Solution Exploring Operation: 72*58=4176, Resulting Numbers: [4176] 4176,71 unequal: No Solution Exploring Operation: 72+58=130, Resulting Numbers: [130] 130,71 unequal: No Solution Moving to Node #0,3,2 Current State: 71:[78, 52], Operations: ['17+3=20', '72-20=52'] Exploring Operation: 78-52=26, Resulting Numbers: [26] 26,71 unequal: No Solution Exploring Operation: 78+52=130, Resulting Numbers: [130] 130,71 unequal: No Solution Exploring Operation: 78*52=4056, Resulting Numbers: [4056] 4056,71 unequal: No Solution Moving to Node #0,3,3 Current State: 71:[72, 98], Operations: ['17+3=20', '78+20=98'] Exploring Operation: 72*98=7056, Resulting Numbers: [7056] 7056,71 unequal: No Solution Exploring Operation: 72+98=170, Resulting Numbers: [170] 170,71 unequal: No Solution Exploring Operation: 98-72=26, Resulting Numbers: [26] 26,71 unequal: No Solution Moving to Node #0,3,4 Current State: 71:[78, 92], Operations: ['17+3=20', '72+20=92'] Exploring Operation: 78*92=7176, Resulting Numbers: [7176] 7176,71 unequal: No Solution Exploring Operation: 78+92=170, Resulting Numbers: [170] 170,71 unequal: No Solution Exploring Operation: 92-78=14, Resulting Numbers: [14] 14,71 unequal: No Solution Moving to Node #0,3,1 Current State: 71:[20, 6], Operations: ['17+3=20', '78-72=6'] Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,71 unequal: No Solution Exploring Operation: 20+6=26, Resulting Numbers: [26] 26,71 unequal: No Solution Exploring Operation: 20*6=120, Resulting Numbers: [120] 120,71 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 Current State: 71:[17, 78, 69], Operations: ['72-3=69'] Exploring Operation: 78-17=61, Resulting Numbers: [69, 61] Generated Node #0,0,0: 71:[69, 61] Operation: 78-17=61 Exploring Operation: 17+78=95, Resulting Numbers: [69, 95] Generated Node #0,0,1: 71:[69, 95] Operation: 17+78=95 Exploring Operation: 78-69=9, Resulting Numbers: [17, 9] Generated Node #0,0,2: 71:[17, 9] Operation: 78-69=9 Exploring Operation: 17+69=86, Resulting Numbers: [78, 86] Generated Node #0,0,3: 71:[78, 86] Operation: 17+69=86 Exploring Operation: 69-17=52, Resulting Numbers: [78, 52] Generated Node #0,0,4: 71:[78, 52] Operation: 69-17=52 Moving to Node #0,0,0 Current State: 71:[69, 61], Operations: ['72-3=69', '78-17=61'] Exploring Operation: 69+61=130, Resulting Numbers: [130] 130,71 unequal: No Solution Exploring Operation: 69-61=8, Resulting Numbers: [8] 8,71 unequal: No Solution Exploring Operation: 69*61=4209, Resulting Numbers: [4209] 4209,71 unequal: No Solution Moving to Node #0,0,3 Current State: 71:[78, 86], Operations: ['72-3=69', '17+69=86'] Exploring Operation: 78*86=6708, Resulting Numbers: [6708] 6708,71 unequal: No Solution Exploring Operation: 86-78=8, Resulting Numbers: [8] 8,71 unequal: No Solution Exploring Operation: 78+86=164, Resulting Numbers: [164] 164,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[69, 95], Operations: ['72-3=69', '17+78=95'] Exploring Operation: 95-69=26, Resulting Numbers: [26] 26,71 unequal: No Solution Exploring Operation: 69+95=164, Resulting Numbers: [164] 164,71 unequal: No Solution Exploring Operation: 69*95=6555, Resulting Numbers: [6555] 6555,71 unequal: No Solution Moving to Node #0,0,4 Current State: 71:[78, 52], Operations: ['72-3=69', '69-17=52'] Exploring Operation: 78+52=130, Resulting Numbers: [130] 130,71 unequal: No Solution Exploring Operation: 78-52=26, Resulting Numbers: [26] 26,71 unequal: No Solution Exploring Operation: 78*52=4056, Resulting Numbers: [4056] 4056,71 unequal: No Solution Moving to Node #0,0,2 Current State: 71:[17, 9], Operations: ['72-3=69', '78-69=9'] Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,71 unequal: No Solution Exploring Operation: 17+9=26, Resulting Numbers: [26] 26,71 unequal: No Solution Exploring Operation: 17*9=153, Resulting Numbers: [153] 153,71 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 #0,2 Current State: 71:[72, 78, 14], Operations: ['17-3=14'] Exploring Operation: 72+14=86, Resulting Numbers: [78, 86] Generated Node #0,2,0: 71:[78, 86] Operation: 72+14=86 Exploring Operation: 78+14=92, Resulting Numbers: [72, 92] Generated Node #0,2,1: 71:[72, 92] Operation: 78+14=92 Exploring Operation: 78-14=64, Resulting Numbers: [72, 64] Generated Node #0,2,2: 71:[72, 64] Operation: 78-14=64 Exploring Operation: 72-14=58, Resulting Numbers: [78, 58] Generated Node #0,2,3: 71:[78, 58] Operation: 72-14=58 Exploring Operation: 78-72=6, Resulting Numbers: [14, 6] Generated Node #0,2,4: 71:[14, 6] Operation: 78-72=6 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 71:[72, 64], Operations: ['17-3=14', '78-14=64'] Exploring Operation: 72-64=8, Resulting Numbers: [8] 8,71 unequal: No Solution Exploring Operation: 72*64=4608, Resulting Numbers: [4608] 4608,71 unequal: No Solution Exploring Operation: 72+64=136, Resulting Numbers: [136] 136,71 unequal: No Solution No 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: 71:[78, 58], Operations: ['17-3=14', '72-14=58'] Exploring Operation: 78*58=4524, Resulting Numbers: [4524] 4524,71 unequal: No Solution Exploring Operation: 78-58=20, Resulting Numbers: [20] 20,71 unequal: No Solution Exploring Operation: 78+58=136, Resulting Numbers: [136] 136,71 unequal: No Solution No 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: 71:[78, 86], Operations: ['17-3=14', '72+14=86'] Exploring Operation: 78+86=164, Resulting Numbers: [164] 164,71 unequal: No Solution Exploring Operation: 86-78=8, Resulting Numbers: [8] 8,71 unequal: No Solution Exploring Operation: 78*86=6708, Resulting Numbers: [6708] 6708,71 unequal: No Solution No 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: 71:[72, 92], Operations: ['17-3=14', '78+14=92'] Exploring Operation: 92-72=20, Resulting Numbers: [20] 20,71 unequal: No Solution Exploring Operation: 72*92=6624, Resulting Numbers: [6624] 6624,71 unequal: No Solution Exploring Operation: 72+92=164, Resulting Numbers: [164] 164,71 unequal: No Solution No 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: 71:[14, 6], Operations: ['17-3=14', '78-72=6'] Exploring Operation: 14*6=84, Resulting Numbers: [84] 84,71 unequal: No Solution Exploring Operation: 14+6=20, Resulting Numbers: [20] 20,71 unequal: No Solution Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 70, 4, 58, 5 ]
37
[ "70+58=128", "128/4=32", "5+32=37" ]
Current State: 37:[70, 4, 58, 5], Operations: [] Exploring Operation: 70+58=128, Resulting Numbers: [4, 5, 128] Generated Node #2: [4, 5, 128] from Operation: 70+58=128 Current State: 37:[4, 5, 128], Operations: ['70+58=128'] Exploring Operation: 128/4=32, Resulting Numbers: [5, 32] Generated Node #3: [5, 32] from Operation: 128/4=32 Current State: 37:[5, 32], Operations: ['70+58=128', '128/4=32'] Exploring Operation: 5+32=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[70, 4, 58, 5], Operations: [] Exploring Operation: 70/5=14, Resulting Numbers: [4, 58, 14] Generated Node #0,0: 37:[4, 58, 14] Operation: 70/5=14 Exploring Operation: 70-4=66, Resulting Numbers: [58, 5, 66] Generated Node #0,1: 37:[58, 5, 66] Operation: 70-4=66 Exploring Operation: 4*5=20, Resulting Numbers: [70, 58, 20] Generated Node #0,2: 37:[70, 58, 20] Operation: 4*5=20 Moving to Node #0,2 Current State: 37:[70, 58, 20], Operations: ['4*5=20'] Exploring Operation: 58-20=38, Resulting Numbers: [70, 38] Generated Node #0,2,0: 37:[70, 38] Operation: 58-20=38 Exploring Operation: 70-20=50, Resulting Numbers: [58, 50] Generated Node #0,2,1: 37:[58, 50] Operation: 70-20=50 Exploring Operation: 70-58=12, Resulting Numbers: [20, 12] Generated Node #0,2,2: 37:[20, 12] Operation: 70-58=12 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 37:[70, 38], Operations: ['4*5=20', '58-20=38'] Exploring Operation: 70*38=2660, Resulting Numbers: [2660] 2660,37 unequal: No Solution Exploring Operation: 70-38=32, Resulting Numbers: [32] 32,37 unequal: No Solution Exploring Operation: 70+38=108, Resulting Numbers: [108] 108,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 37:[58, 50], Operations: ['4*5=20', '70-20=50'] Exploring Operation: 58+50=108, Resulting Numbers: [108] 108,37 unequal: No Solution Exploring Operation: 58-50=8, Resulting Numbers: [8] 8,37 unequal: No Solution Exploring Operation: 58*50=2900, Resulting Numbers: [2900] 2900,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 37:[20, 12], Operations: ['4*5=20', '70-58=12'] Exploring Operation: 20+12=32, Resulting Numbers: [32] 32,37 unequal: No Solution Exploring Operation: 20-12=8, Resulting Numbers: [8] 8,37 unequal: No Solution Exploring Operation: 20*12=240, Resulting Numbers: [240] 240,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 37:[4, 58, 14], Operations: ['70/5=14'] Exploring Operation: 4+14=18, Resulting Numbers: [58, 18] Generated Node #0,0,0: 37:[58, 18] Operation: 4+14=18 Exploring Operation: 58-4=54, Resulting Numbers: [14, 54] Generated Node #0,0,1: 37:[14, 54] Operation: 58-4=54 Exploring Operation: 4*14=56, Resulting Numbers: [58, 56] Generated Node #0,0,2: 37:[58, 56] Operation: 4*14=56 Moving to Node #0,1 Current State: 37:[58, 5, 66], Operations: ['70-4=66'] Exploring Operation: 58-5=53, Resulting Numbers: [66, 53] Generated Node #0,1,0: 37:[66, 53] Operation: 58-5=53 Exploring Operation: 58+5=63, Resulting Numbers: [66, 63] Generated Node #0,1,1: 37:[66, 63] Operation: 58+5=63 Exploring Operation: 66-5=61, Resulting Numbers: [58, 61] Generated Node #0,1,2: 37:[58, 61] Operation: 66-5=61 Moving to Node #0,0,0 Current State: 37:[58, 18], Operations: ['70/5=14', '4+14=18'] Exploring Operation: 58-18=40, Resulting Numbers: [40] 40,37 unequal: No Solution Exploring Operation: 58*18=1044, Resulting Numbers: [1044] 1044,37 unequal: No Solution Exploring Operation: 58+18=76, Resulting Numbers: [76] 76,37 unequal: No Solution Moving to Node #0,0,2 Current State: 37:[58, 56], Operations: ['70/5=14', '4*14=56'] Exploring Operation: 58-56=2, Resulting Numbers: [2] 2,37 unequal: No Solution Exploring Operation: 58*56=3248, Resulting Numbers: [3248] 3248,37 unequal: No Solution Exploring Operation: 58+56=114, Resulting Numbers: [114] 114,37 unequal: No Solution Moving to Node #0,0,1 Current State: 37:[14, 54], Operations: ['70/5=14', '58-4=54'] Exploring Operation: 14*54=756, Resulting Numbers: [756] 756,37 unequal: No Solution Exploring Operation: 54-14=40, Resulting Numbers: [40] 40,37 unequal: No Solution Exploring Operation: 14+54=68, Resulting Numbers: [68] 68,37 unequal: No Solution Moving to Node #0,1,0 Current State: 37:[66, 53], Operations: ['70-4=66', '58-5=53'] Exploring Operation: 66+53=119, Resulting Numbers: [119] 119,37 unequal: No Solution Exploring Operation: 66-53=13, Resulting Numbers: [13] 13,37 unequal: No Solution Exploring Operation: 66*53=3498, Resulting Numbers: [3498] 3498,37 unequal: No Solution Moving to Node #0,1,2 Current State: 37:[58, 61], Operations: ['70-4=66', '66-5=61'] Exploring Operation: 58+61=119, Resulting Numbers: [119] 119,37 unequal: No Solution Exploring Operation: 61-58=3, Resulting Numbers: [3] 3,37 unequal: No Solution Exploring Operation: 58*61=3538, Resulting Numbers: [3538] 3538,37 unequal: No Solution Moving to Node #0,1,1 Current State: 37:[66, 63], Operations: ['70-4=66', '58+5=63'] Exploring Operation: 66+63=129, Resulting Numbers: [129] 129,37 unequal: No Solution Exploring Operation: 66-63=3, Resulting Numbers: [3] 3,37 unequal: No Solution Exploring Operation: 66*63=4158, Resulting Numbers: [4158] 4158,37 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 40, 91, 34, 2 ]
45
[ "40*2=80", "91+34=125", "125-80=45" ]
Current State: 45:[40, 91, 34, 2], Operations: [] Exploring Operation: 40*2=80, Resulting Numbers: [91, 34, 80] Generated Node #2: [91, 34, 80] from Operation: 40*2=80 Current State: 45:[91, 34, 80], Operations: ['40*2=80'] Exploring Operation: 91+34=125, Resulting Numbers: [80, 125] Generated Node #3: [80, 125] from Operation: 91+34=125 Current State: 45:[80, 125], Operations: ['40*2=80', '91+34=125'] Exploring Operation: 125-80=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[40, 91, 34, 2], Operations: [] Exploring Operation: 40+2=42, Resulting Numbers: [91, 34, 42] Generated Node #0,0: 45:[91, 34, 42] Operation: 40+2=42 Exploring Operation: 91-40=51, Resulting Numbers: [34, 2, 51] Generated Node #0,1: 45:[34, 2, 51] Operation: 91-40=51 Exploring Operation: 40-34=6, Resulting Numbers: [91, 2, 6] Generated Node #0,2: 45:[91, 2, 6] Operation: 40-34=6 Exploring Operation: 34/2=17, Resulting Numbers: [40, 91, 17] Generated Node #0,3: 45:[40, 91, 17] Operation: 34/2=17 Exploring Operation: 91-34=57, Resulting Numbers: [40, 2, 57] Generated Node #0,4: 45:[40, 2, 57] Operation: 91-34=57 Start Sub Search at level 1: Moving to Node #0,1 Current State: 45:[34, 2, 51], Operations: ['91-40=51'] Exploring Operation: 34/2=17, Resulting Numbers: [51, 17] Generated Node #0,1,0: 45:[51, 17] Operation: 34/2=17 Exploring Operation: 51-34=17, Resulting Numbers: [2, 17] Generated Node #0,1,1: 45:[2, 17] Operation: 51-34=17 Exploring Operation: 34+2=36, Resulting Numbers: [51, 36] Generated Node #0,1,2: 45:[51, 36] Operation: 34+2=36 Exploring Operation: 34-2=32, Resulting Numbers: [51, 32] Generated Node #0,1,3: 45:[51, 32] Operation: 34-2=32 Exploring Operation: 51-2=49, Resulting Numbers: [34, 49] Generated Node #0,1,4: 45:[34, 49] Operation: 51-2=49 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 45:[2, 17], Operations: ['91-40=51', '51-34=17'] Exploring Operation: 2+17=19, Resulting Numbers: [19] 19,45 unequal: No Solution Exploring Operation: 2*17=34, Resulting Numbers: [34] 34,45 unequal: No Solution Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 45:[51, 17], Operations: ['91-40=51', '34/2=17'] Exploring Operation: 51*17=867, Resulting Numbers: [867] 867,45 unequal: No Solution Exploring Operation: 51/17=3, Resulting Numbers: [3] 3,45 unequal: No Solution Exploring Operation: 51+17=68, Resulting Numbers: [68] 68,45 unequal: No Solution Exploring Operation: 51-17=34, Resulting Numbers: [34] 34,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 45:[51, 36], Operations: ['91-40=51', '34+2=36'] Exploring Operation: 51*36=1836, Resulting Numbers: [1836] 1836,45 unequal: No Solution Exploring Operation: 51+36=87, Resulting Numbers: [87] 87,45 unequal: No Solution Exploring Operation: 51-36=15, Resulting Numbers: [15] 15,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 45:[34, 49], Operations: ['91-40=51', '51-2=49'] Exploring Operation: 49-34=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 34*49=1666, Resulting Numbers: [1666] 1666,45 unequal: No Solution Exploring Operation: 34+49=83, Resulting Numbers: [83] 83,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 45:[51, 32], Operations: ['91-40=51', '34-2=32'] Exploring Operation: 51*32=1632, Resulting Numbers: [1632] 1632,45 unequal: No Solution Exploring Operation: 51-32=19, Resulting Numbers: [19] 19,45 unequal: No Solution Exploring Operation: 51+32=83, Resulting Numbers: [83] 83,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 45:[40, 2, 57], Operations: ['91-34=57'] Exploring Operation: 40-2=38, Resulting Numbers: [57, 38] Generated Node #0,4,0: 45:[57, 38] Operation: 40-2=38 Exploring Operation: 57-2=55, Resulting Numbers: [40, 55] Generated Node #0,4,1: 45:[40, 55] Operation: 57-2=55 Exploring Operation: 40+2=42, Resulting Numbers: [57, 42] Generated Node #0,4,2: 45:[57, 42] Operation: 40+2=42 Exploring Operation: 57-40=17, Resulting Numbers: [2, 17] Generated Node #0,4,3: 45:[2, 17] Operation: 57-40=17 Exploring Operation: 40/2=20, Resulting Numbers: [57, 20] Generated Node #0,4,4: 45:[57, 20] Operation: 40/2=20 Moving to Node #0,4,3 Current State: 45:[2, 17], Operations: ['91-34=57', '57-40=17'] Exploring Operation: 2+17=19, Resulting Numbers: [19] 19,45 unequal: No Solution Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 2*17=34, Resulting Numbers: [34] 34,45 unequal: No Solution Moving to Node #0,4,2 Current State: 45:[57, 42], Operations: ['91-34=57', '40+2=42'] Exploring Operation: 57-42=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 57+42=99, Resulting Numbers: [99] 99,45 unequal: No Solution Exploring Operation: 57*42=2394, Resulting Numbers: [2394] 2394,45 unequal: No Solution Moving to Node #0,4,1 Current State: 45:[40, 55], Operations: ['91-34=57', '57-2=55'] Exploring Operation: 55-40=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 40*55=2200, Resulting Numbers: [2200] 2200,45 unequal: No Solution Exploring Operation: 40+55=95, Resulting Numbers: [95] 95,45 unequal: No Solution Moving to Node #0,4,4 Current State: 45:[57, 20], Operations: ['91-34=57', '40/2=20'] Exploring Operation: 57*20=1140, Resulting Numbers: [1140] 1140,45 unequal: No Solution Exploring Operation: 57-20=37, Resulting Numbers: [37] 37,45 unequal: No Solution Exploring Operation: 57+20=77, Resulting Numbers: [77] 77,45 unequal: No Solution Moving to Node #0,4,0 Current State: 45:[57, 38], Operations: ['91-34=57', '40-2=38'] Exploring Operation: 57-38=19, Resulting Numbers: [19] 19,45 unequal: No Solution Exploring Operation: 57+38=95, Resulting Numbers: [95] 95,45 unequal: No Solution Exploring Operation: 57*38=2166, Resulting Numbers: [2166] 2166,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 45:[91, 2, 6], Operations: ['40-34=6'] Exploring Operation: 91-6=85, Resulting Numbers: [2, 85] Generated Node #0,2,0: 45:[2, 85] Operation: 91-6=85 Exploring Operation: 6-2=4, Resulting Numbers: [91, 4] Generated Node #0,2,1: 45:[91, 4] Operation: 6-2=4 Exploring Operation: 91-2=89, Resulting Numbers: [6, 89] Generated Node #0,2,2: 45:[6, 89] Operation: 91-2=89 Exploring Operation: 2+6=8, Resulting Numbers: [91, 8] Generated Node #0,2,3: 45:[91, 8] Operation: 2+6=8 Exploring Operation: 6/2=3, Resulting Numbers: [91, 3] Generated Node #0,2,4: 45:[91, 3] Operation: 6/2=3 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 45:[2, 85], Operations: ['40-34=6', '91-6=85'] Exploring Operation: 2*85=170, Resulting Numbers: [170] 170,45 unequal: No Solution Exploring Operation: 2+85=87, Resulting Numbers: [87] 87,45 unequal: No Solution Exploring Operation: 85-2=83, Resulting Numbers: [83] 83,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 45:[6, 89], Operations: ['40-34=6', '91-2=89'] Exploring Operation: 6+89=95, Resulting Numbers: [95] 95,45 unequal: No Solution Exploring Operation: 6*89=534, Resulting Numbers: [534] 534,45 unequal: No Solution Exploring Operation: 89-6=83, Resulting Numbers: [83] 83,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 45:[91, 3], Operations: ['40-34=6', '6/2=3'] Exploring Operation: 91+3=94, Resulting Numbers: [94] 94,45 unequal: No Solution Exploring Operation: 91-3=88, Resulting Numbers: [88] 88,45 unequal: No Solution Exploring Operation: 91*3=273, Resulting Numbers: [273] 273,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 45:[91, 4], Operations: ['40-34=6', '6-2=4'] Exploring Operation: 91*4=364, Resulting Numbers: [364] 364,45 unequal: No Solution Exploring Operation: 91-4=87, Resulting Numbers: [87] 87,45 unequal: No Solution Exploring Operation: 91+4=95, Resulting Numbers: [95] 95,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 45:[91, 8], Operations: ['40-34=6', '2+6=8'] Exploring Operation: 91*8=728, Resulting Numbers: [728] 728,45 unequal: No Solution Exploring Operation: 91+8=99, Resulting Numbers: [99] 99,45 unequal: No Solution Exploring Operation: 91-8=83, Resulting Numbers: [83] 83,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 45:[40, 91, 17], Operations: ['34/2=17'] Exploring Operation: 91-17=74, Resulting Numbers: [40, 74] Generated Node #0,3,0: 45:[40, 74] Operation: 91-17=74 Exploring Operation: 40-17=23, Resulting Numbers: [91, 23] Generated Node #0,3,1: 45:[91, 23] Operation: 40-17=23 Exploring Operation: 91+17=108, Resulting Numbers: [40, 108] Generated Node #0,3,2: 45:[40, 108] Operation: 91+17=108 Exploring Operation: 40+17=57, Resulting Numbers: [91, 57] Generated Node #0,3,3: 45:[91, 57] Operation: 40+17=57 Exploring Operation: 91-40=51, Resulting Numbers: [17, 51] Generated Node #0,3,4: 45:[17, 51] Operation: 91-40=51 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 45:[17, 51], Operations: ['34/2=17', '91-40=51'] Exploring Operation: 17*51=867, Resulting Numbers: [867] 867,45 unequal: No Solution Exploring Operation: 51/17=3, Resulting Numbers: [3] 3,45 unequal: No Solution Exploring Operation: 17+51=68, Resulting Numbers: [68] 68,45 unequal: No Solution Exploring Operation: 51-17=34, Resulting Numbers: [34] 34,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 45:[40, 74], Operations: ['34/2=17', '91-17=74'] Exploring Operation: 40+74=114, Resulting Numbers: [114] 114,45 unequal: No Solution Exploring Operation: 74-40=34, Resulting Numbers: [34] 34,45 unequal: No Solution Exploring Operation: 40*74=2960, Resulting Numbers: [2960] 2960,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 45:[91, 23], Operations: ['34/2=17', '40-17=23'] Exploring Operation: 91*23=2093, Resulting Numbers: [2093] 2093,45 unequal: No Solution Exploring Operation: 91-23=68, Resulting Numbers: [68] 68,45 unequal: No Solution Exploring Operation: 91+23=114, Resulting Numbers: [114] 114,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 45:[91, 57], Operations: ['34/2=17', '40+17=57'] Exploring Operation: 91*57=5187, Resulting Numbers: [5187] 5187,45 unequal: No Solution Exploring Operation: 91+57=148, Resulting Numbers: [148] 148,45 unequal: No Solution Exploring Operation: 91-57=34, Resulting Numbers: [34] 34,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 45:[40, 108], Operations: ['34/2=17', '91+17=108'] Exploring Operation: 40+108=148, Resulting Numbers: [148] 148,45 unequal: No Solution Exploring Operation: 108-40=68, Resulting Numbers: [68] 68,45 unequal: No Solution Exploring Operation: 40*108=4320, Resulting Numbers: [4320] 4320,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[91, 34, 42], Operations: ['40+2=42'] Exploring Operation: 34+42=76, Resulting Numbers: [91, 76] Generated Node #0,0,0: 45:[91, 76] Operation: 34+42=76 Exploring Operation: 91-42=49, Resulting Numbers: [34, 49] Generated Node #0,0,1: 45:[34, 49] Operation: 91-42=49 Exploring Operation: 91-34=57, Resulting Numbers: [42, 57] Generated Node #0,0,2: 45:[42, 57] Operation: 91-34=57 Exploring Operation: 91+34=125, Resulting Numbers: [42, 125] Generated Node #0,0,3: 45:[42, 125] Operation: 91+34=125 Exploring Operation: 42-34=8, Resulting Numbers: [91, 8] Generated Node #0,0,4: 45:[91, 8] Operation: 42-34=8 Moving to Node #0,0,1 Current State: 45:[34, 49], Operations: ['40+2=42', '91-42=49'] Exploring Operation: 34*49=1666, Resulting Numbers: [1666] 1666,45 unequal: No Solution Exploring Operation: 49-34=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 34+49=83, Resulting Numbers: [83] 83,45 unequal: No Solution Moving to Node #0,0,2 Current State: 45:[42, 57], Operations: ['40+2=42', '91-34=57'] Exploring Operation: 42+57=99, Resulting Numbers: [99] 99,45 unequal: No Solution Exploring Operation: 57-42=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 42*57=2394, Resulting Numbers: [2394] 2394,45 unequal: No Solution Moving to Node #0,0,4 Current State: 45:[91, 8], Operations: ['40+2=42', '42-34=8'] Exploring Operation: 91+8=99, Resulting Numbers: [99] 99,45 unequal: No Solution Exploring Operation: 91*8=728, Resulting Numbers: [728] 728,45 unequal: No Solution Exploring Operation: 91-8=83, Resulting Numbers: [83] 83,45 unequal: No Solution Moving to Node #0,0,0 Current State: 45:[91, 76], Operations: ['40+2=42', '34+42=76'] Exploring Operation: 91-76=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 91+76=167, Resulting Numbers: [167] 167,45 unequal: No Solution Exploring Operation: 91*76=6916, Resulting Numbers: [6916] 6916,45 unequal: No Solution Moving to Node #0,0,3 Current State: 45:[42, 125], Operations: ['40+2=42', '91+34=125'] Exploring Operation: 42+125=167, Resulting Numbers: [167] 167,45 unequal: No Solution Exploring Operation: 42*125=5250, Resulting Numbers: [5250] 5250,45 unequal: No Solution Exploring Operation: 125-42=83, Resulting Numbers: [83] 83,45 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
[ 65, 85, 56, 5 ]
80
[ "85-56=29", "5*29=145", "145-65=80" ]
Current State: 80:[65, 85, 56, 5], Operations: [] Exploring Operation: 85-56=29, Resulting Numbers: [65, 5, 29] Generated Node #2: [65, 5, 29] from Operation: 85-56=29 Current State: 80:[65, 5, 29], Operations: ['85-56=29'] Exploring Operation: 5*29=145, Resulting Numbers: [65, 145] Generated Node #3: [65, 145] from Operation: 5*29=145 Current State: 80:[65, 145], Operations: ['85-56=29', '5*29=145'] Exploring Operation: 145-65=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[65, 85, 56, 5], Operations: [] Exploring Operation: 85-56=29, Resulting Numbers: [65, 5, 29] Generated Node #0,0: 80:[65, 5, 29] Operation: 85-56=29 Exploring Operation: 65-56=9, Resulting Numbers: [85, 5, 9] Generated Node #0,1: 80:[85, 5, 9] Operation: 65-56=9 Exploring Operation: 85-65=20, Resulting Numbers: [56, 5, 20] Generated Node #0,2: 80:[56, 5, 20] Operation: 85-65=20 Exploring Operation: 65/5=13, Resulting Numbers: [85, 56, 13] Generated Node #0,3: 80:[85, 56, 13] Operation: 65/5=13 Moving to Node #0,1 Current State: 80:[85, 5, 9], Operations: ['65-56=9'] Exploring Operation: 85-5=80, Resulting Numbers: [9, 80] Generated Node #0,1,0: 80:[9, 80] Operation: 85-5=80 Exploring Operation: 85-9=76, Resulting Numbers: [5, 76] Generated Node #0,1,1: 80:[5, 76] Operation: 85-9=76 Exploring Operation: 85/5=17, Resulting Numbers: [9, 17] Generated Node #0,1,2: 80:[9, 17] Operation: 85/5=17 Exploring Operation: 9-5=4, Resulting Numbers: [85, 4] Generated Node #0,1,3: 80:[85, 4] Operation: 9-5=4 Moving to Node #0,2 Current State: 80:[56, 5, 20], Operations: ['85-65=20'] Exploring Operation: 56-5=51, Resulting Numbers: [20, 51] Generated Node #0,2,0: 80:[20, 51] Operation: 56-5=51 Exploring Operation: 20/5=4, Resulting Numbers: [56, 4] Generated Node #0,2,1: 80:[56, 4] Operation: 20/5=4 Exploring Operation: 56+20=76, Resulting Numbers: [5, 76] Generated Node #0,2,2: 80:[5, 76] Operation: 56+20=76 Exploring Operation: 56-20=36, Resulting Numbers: [5, 36] Generated Node #0,2,3: 80:[5, 36] Operation: 56-20=36 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 80:[5, 76], Operations: ['85-65=20', '56+20=76'] Exploring Operation: 5+76=81, Resulting Numbers: [81] 81,80 unequal: No Solution Exploring Operation: 76-5=71, Resulting Numbers: [71] 71,80 unequal: No Solution Exploring Operation: 5*76=380, Resulting Numbers: [380] 380,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 80:[5, 36], Operations: ['85-65=20', '56-20=36'] Exploring Operation: 5+36=41, Resulting Numbers: [41] 41,80 unequal: No Solution Exploring Operation: 36-5=31, Resulting Numbers: [31] 31,80 unequal: No Solution Exploring Operation: 5*36=180, Resulting Numbers: [180] 180,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 80:[20, 51], Operations: ['85-65=20', '56-5=51'] Exploring Operation: 51-20=31, Resulting Numbers: [31] 31,80 unequal: No Solution Exploring Operation: 20+51=71, Resulting Numbers: [71] 71,80 unequal: No Solution Exploring Operation: 20*51=1020, Resulting Numbers: [1020] 1020,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 80:[56, 4], Operations: ['85-65=20', '20/5=4'] Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,80 unequal: No Solution Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,80 unequal: No Solution Exploring Operation: 56+4=60, Resulting Numbers: [60] 60,80 unequal: No Solution Exploring Operation: 56*4=224, Resulting Numbers: [224] 224,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 80:[85, 56, 13], Operations: ['65/5=13'] Exploring Operation: 85-56=29, Resulting Numbers: [13, 29] Generated Node #0,3,0: 80:[13, 29] Operation: 85-56=29 Exploring Operation: 85-13=72, Resulting Numbers: [56, 72] Generated Node #0,3,1: 80:[56, 72] Operation: 85-13=72 Exploring Operation: 56-13=43, Resulting Numbers: [85, 43] Generated Node #0,3,2: 80:[85, 43] Operation: 56-13=43 Exploring Operation: 56+13=69, Resulting Numbers: [85, 69] Generated Node #0,3,3: 80:[85, 69] Operation: 56+13=69 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 80:[85, 43], Operations: ['65/5=13', '56-13=43'] Exploring Operation: 85*43=3655, Resulting Numbers: [3655] 3655,80 unequal: No Solution Exploring Operation: 85+43=128, Resulting Numbers: [128] 128,80 unequal: No Solution Exploring Operation: 85-43=42, Resulting Numbers: [42] 42,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 80:[13, 29], Operations: ['65/5=13', '85-56=29'] Exploring Operation: 13*29=377, Resulting Numbers: [377] 377,80 unequal: No Solution Exploring Operation: 29-13=16, Resulting Numbers: [16] 16,80 unequal: No Solution Exploring Operation: 13+29=42, Resulting Numbers: [42] 42,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 80:[85, 69], Operations: ['65/5=13', '56+13=69'] Exploring Operation: 85+69=154, Resulting Numbers: [154] 154,80 unequal: No Solution Exploring Operation: 85-69=16, Resulting Numbers: [16] 16,80 unequal: No Solution Exploring Operation: 85*69=5865, Resulting Numbers: [5865] 5865,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 80:[56, 72], Operations: ['65/5=13', '85-13=72'] Exploring Operation: 72-56=16, Resulting Numbers: [16] 16,80 unequal: No Solution Exploring Operation: 56+72=128, Resulting Numbers: [128] 128,80 unequal: No Solution Exploring Operation: 56*72=4032, Resulting Numbers: [4032] 4032,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 80:[65, 5, 29], Operations: ['85-56=29'] Exploring Operation: 65/5=13, Resulting Numbers: [29, 13] Generated Node #0,0,0: 80:[29, 13] Operation: 65/5=13 Exploring Operation: 65+29=94, Resulting Numbers: [5, 94] Generated Node #0,0,1: 80:[5, 94] Operation: 65+29=94 Exploring Operation: 65-29=36, Resulting Numbers: [5, 36] Generated Node #0,0,2: 80:[5, 36] Operation: 65-29=36 Exploring Operation: 65+5=70, Resulting Numbers: [29, 70] Generated Node #0,0,3: 80:[29, 70] Operation: 65+5=70 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 80:[5, 36], Operations: ['85-56=29', '65-29=36'] Exploring Operation: 36-5=31, Resulting Numbers: [31] 31,80 unequal: No Solution Exploring Operation: 5*36=180, Resulting Numbers: [180] 180,80 unequal: No Solution Exploring Operation: 5+36=41, Resulting Numbers: [41] 41,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 80:[29, 13], Operations: ['85-56=29', '65/5=13'] Exploring Operation: 29*13=377, Resulting Numbers: [377] 377,80 unequal: No Solution Exploring Operation: 29+13=42, Resulting Numbers: [42] 42,80 unequal: No Solution Exploring Operation: 29-13=16, Resulting Numbers: [16] 16,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 80:[5, 94], Operations: ['85-56=29', '65+29=94'] Exploring Operation: 94-5=89, Resulting Numbers: [89] 89,80 unequal: No Solution Exploring Operation: 5*94=470, Resulting Numbers: [470] 470,80 unequal: No Solution Exploring Operation: 5+94=99, Resulting Numbers: [99] 99,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 80:[29, 70], Operations: ['85-56=29', '65+5=70'] Exploring Operation: 70-29=41, Resulting Numbers: [41] 41,80 unequal: No Solution Exploring Operation: 29*70=2030, Resulting Numbers: [2030] 2030,80 unequal: No Solution Exploring Operation: 29+70=99, Resulting Numbers: [99] 99,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 80:[9, 80], Operations: ['65-56=9', '85-5=80'] Exploring Operation: 80-9=71, Resulting Numbers: [71] 71,80 unequal: No Solution Exploring Operation: 9*80=720, Resulting Numbers: [720] 720,80 unequal: No Solution Exploring Operation: 9+80=89, Resulting Numbers: [89] 89,80 unequal: No Solution Moving to Node #0,1,2 Current State: 80:[9, 17], Operations: ['65-56=9', '85/5=17'] Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,80 unequal: No Solution Exploring Operation: 9+17=26, Resulting Numbers: [26] 26,80 unequal: No Solution Exploring Operation: 9*17=153, Resulting Numbers: [153] 153,80 unequal: No Solution Moving to Node #0,1,1 Current State: 80:[5, 76], Operations: ['65-56=9', '85-9=76'] Exploring Operation: 5*76=380, Resulting Numbers: [380] 380,80 unequal: No Solution Exploring Operation: 76-5=71, Resulting Numbers: [71] 71,80 unequal: No Solution Exploring Operation: 5+76=81, Resulting Numbers: [81] 81,80 unequal: No Solution Moving to Node #0,1,3 Current State: 80:[85, 4], Operations: ['65-56=9', '9-5=4'] Exploring Operation: 85+4=89, Resulting Numbers: [89] 89,80 unequal: No Solution Exploring Operation: 85-4=81, Resulting Numbers: [81] 81,80 unequal: No Solution Exploring Operation: 85*4=340, Resulting Numbers: [340] 340,80 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 42, 74, 21, 2 ]
75
[ "42/21=2", "2/2=1", "74+1=75" ]
Current State: 75:[42, 74, 21, 2], Operations: [] Exploring Operation: 42/21=2, Resulting Numbers: [74, 2, 2] Generated Node #2: [74, 2, 2] from Operation: 42/21=2 Current State: 75:[74, 2, 2], Operations: ['42/21=2'] Exploring Operation: 2/2=1, Resulting Numbers: [74, 1] Generated Node #3: [74, 1] from Operation: 2/2=1 Current State: 75:[74, 1], Operations: ['42/21=2', '2/2=1'] Exploring Operation: 74+1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[42, 74, 21, 2], Operations: [] Exploring Operation: 74-42=32, Resulting Numbers: [21, 2, 32] Generated Node #0,0: 75:[21, 2, 32] Operation: 74-42=32 Exploring Operation: 42-21=21, Resulting Numbers: [74, 2, 21] Generated Node #0,1: 75:[74, 2, 21] Operation: 42-21=21 Exploring Operation: 42/2=21, Resulting Numbers: [74, 21, 21] Generated Node #0,2: 75:[74, 21, 21] Operation: 42/2=21 Exploring Operation: 42+21=63, Resulting Numbers: [74, 2, 63] Generated Node #0,3: 75:[74, 2, 63] Operation: 42+21=63 Exploring Operation: 42/21=2, Resulting Numbers: [74, 2, 2] Generated Node #0,4: 75:[74, 2, 2] Operation: 42/21=2 Moving to Node #0,4 Current State: 75:[74, 2, 2], Operations: ['42/21=2'] Exploring Operation: 74+2=76, Resulting Numbers: [2, 76] Generated Node #0,4,0: 75:[2, 76] Operation: 74+2=76 Exploring Operation: 2*2=4, Resulting Numbers: [74, 4] Generated Node #0,4,1: 75:[74, 4] Operation: 2*2=4 Exploring Operation: 2/2=1, Resulting Numbers: [74, 1] Generated Node #0,4,2: 75:[74, 1] Operation: 2/2=1 Exploring Operation: 74+2=76, Resulting Numbers: [2, 76] Generated Node #0,4,3: 75:[2, 76] Operation: 74+2=76 Exploring Operation: 2+2=4, Resulting Numbers: [74, 4] Generated Node #0,4,4: 75:[74, 4] Operation: 2+2=4 Moving to Node #0,1 Current State: 75:[74, 2, 21], Operations: ['42-21=21'] Exploring Operation: 21-2=19, Resulting Numbers: [74, 19] Generated Node #0,1,0: 75:[74, 19] Operation: 21-2=19 Exploring Operation: 74+2=76, Resulting Numbers: [21, 76] Generated Node #0,1,1: 75:[21, 76] Operation: 74+2=76 Exploring Operation: 74-2=72, Resulting Numbers: [21, 72] Generated Node #0,1,2: 75:[21, 72] Operation: 74-2=72 Exploring Operation: 2+21=23, Resulting Numbers: [74, 23] Generated Node #0,1,3: 75:[74, 23] Operation: 2+21=23 Exploring Operation: 74/2=37, Resulting Numbers: [21, 37] Generated Node #0,1,4: 75:[21, 37] Operation: 74/2=37 Moving to Node #0,2 Current State: 75:[74, 21, 21], Operations: ['42/2=21'] Exploring Operation: 21-21=0, Resulting Numbers: [74, 0] Generated Node #0,2,0: 75:[74, 0] Operation: 21-21=0 Exploring Operation: 21/21=1, Resulting Numbers: [74, 1] Generated Node #0,2,1: 75:[74, 1] Operation: 21/21=1 Exploring Operation: 74+21=95, Resulting Numbers: [21, 95] Generated Node #0,2,2: 75:[21, 95] Operation: 74+21=95 Exploring Operation: 74+21=95, Resulting Numbers: [21, 95] Generated Node #0,2,3: 75:[21, 95] Operation: 74+21=95 Exploring Operation: 21+21=42, Resulting Numbers: [74, 42] Generated Node #0,2,4: 75:[74, 42] Operation: 21+21=42 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 75:[74, 1], Operations: ['42/2=21', '21/21=1'] Exploring Operation: 74+1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[42, 74, 21, 2], Operations: [] Exploring Operation: 42/2=21, Resulting Numbers: [74, 21, 21] Generated Node #0,2: 75:[74, 21, 21] Operation: 42/2=21 Moving to Node #0,2 Current State: 75:[74, 21, 21], Operations: ['42/2=21'] Exploring Operation: 21/21=1, Resulting Numbers: [74, 1] Generated Node #0,2,1: 75:[74, 1] Operation: 21/21=1 Moving to Node #0,2,1 Current State: 75:[74, 1], Operations: ['42/2=21', '21/21=1'] Exploring Operation: 74+1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_5
sum_heuristic
[ 19, 98, 27, 10 ]
53
[ "98*10=980", "27+980=1007", "1007/19=53" ]
Current State: 53:[19, 98, 27, 10], Operations: [] Exploring Operation: 98*10=980, Resulting Numbers: [19, 27, 980] Generated Node #2: [19, 27, 980] from Operation: 98*10=980 Current State: 53:[19, 27, 980], Operations: ['98*10=980'] Exploring Operation: 27+980=1007, Resulting Numbers: [19, 1007] Generated Node #3: [19, 1007] from Operation: 27+980=1007 Current State: 53:[19, 1007], Operations: ['98*10=980', '27+980=1007'] Exploring Operation: 1007/19=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[19, 98, 27, 10], Operations: [] Exploring Operation: 98-10=88, Resulting Numbers: [19, 27, 88] Generated Node #0,0: 53:[19, 27, 88] Operation: 98-10=88 Exploring Operation: 98-19=79, Resulting Numbers: [27, 10, 79] Generated Node #0,1: 53:[27, 10, 79] Operation: 98-19=79 Exploring Operation: 19+27=46, Resulting Numbers: [98, 10, 46] Generated Node #0,2: 53:[98, 10, 46] Operation: 19+27=46 Exploring Operation: 98-27=71, Resulting Numbers: [19, 10, 71] Generated Node #0,3: 53:[19, 10, 71] Operation: 98-27=71 Exploring Operation: 19+10=29, Resulting Numbers: [98, 27, 29] Generated Node #0,4: 53:[98, 27, 29] Operation: 19+10=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[19, 27, 88], Operations: ['98-10=88'] Exploring Operation: 19+27=46, Resulting Numbers: [88, 46] Generated Node #0,0,0: 53:[88, 46] Operation: 19+27=46 Exploring Operation: 88-27=61, Resulting Numbers: [19, 61] Generated Node #0,0,1: 53:[19, 61] Operation: 88-27=61 Exploring Operation: 27-19=8, Resulting Numbers: [88, 8] Generated Node #0,0,2: 53:[88, 8] Operation: 27-19=8 Exploring Operation: 88-19=69, Resulting Numbers: [27, 69] Generated Node #0,0,3: 53:[27, 69] Operation: 88-19=69 Exploring Operation: 19+88=107, Resulting Numbers: [27, 107] Generated Node #0,0,4: 53:[27, 107] Operation: 19+88=107 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 53:[88, 46], Operations: ['98-10=88', '19+27=46'] Exploring Operation: 88*46=4048, Resulting Numbers: [4048] 4048,53 unequal: No Solution Exploring Operation: 88-46=42, Resulting Numbers: [42] 42,53 unequal: No Solution Exploring Operation: 88+46=134, Resulting Numbers: [134] 134,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 53:[19, 61], Operations: ['98-10=88', '88-27=61'] Exploring Operation: 61-19=42, Resulting Numbers: [42] 42,53 unequal: No Solution Exploring Operation: 19*61=1159, Resulting Numbers: [1159] 1159,53 unequal: No Solution Exploring Operation: 19+61=80, Resulting Numbers: [80] 80,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 53:[27, 69], Operations: ['98-10=88', '88-19=69'] Exploring Operation: 27+69=96, Resulting Numbers: [96] 96,53 unequal: No Solution Exploring Operation: 69-27=42, Resulting Numbers: [42] 42,53 unequal: No Solution Exploring Operation: 27*69=1863, Resulting Numbers: [1863] 1863,53 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:[88, 8], Operations: ['98-10=88', '27-19=8'] Exploring Operation: 88/8=11, Resulting Numbers: [11] 11,53 unequal: No Solution Exploring Operation: 88-8=80, Resulting Numbers: [80] 80,53 unequal: No Solution Exploring Operation: 88*8=704, Resulting Numbers: [704] 704,53 unequal: No Solution Exploring Operation: 88+8=96, Resulting Numbers: [96] 96,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 53:[27, 107], Operations: ['98-10=88', '19+88=107'] Exploring Operation: 27*107=2889, Resulting Numbers: [2889] 2889,53 unequal: No Solution Exploring Operation: 27+107=134, Resulting Numbers: [134] 134,53 unequal: No Solution Exploring Operation: 107-27=80, Resulting Numbers: [80] 80,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[27, 10, 79], Operations: ['98-19=79'] Exploring Operation: 27-10=17, Resulting Numbers: [79, 17] Generated Node #0,1,0: 53:[79, 17] Operation: 27-10=17 Exploring Operation: 79-10=69, Resulting Numbers: [27, 69] Generated Node #0,1,1: 53:[27, 69] Operation: 79-10=69 Exploring Operation: 10+79=89, Resulting Numbers: [27, 89] Generated Node #0,1,2: 53:[27, 89] Operation: 10+79=89 Exploring Operation: 27+10=37, Resulting Numbers: [79, 37] Generated Node #0,1,3: 53:[79, 37] Operation: 27+10=37 Exploring Operation: 79-27=52, Resulting Numbers: [10, 52] Generated Node #0,1,4: 53:[10, 52] Operation: 79-27=52 Moving to Node #0,1,1 Current State: 53:[27, 69], Operations: ['98-19=79', '79-10=69'] Exploring Operation: 69-27=42, Resulting Numbers: [42] 42,53 unequal: No Solution Exploring Operation: 27+69=96, Resulting Numbers: [96] 96,53 unequal: No Solution Exploring Operation: 27*69=1863, Resulting Numbers: [1863] 1863,53 unequal: No Solution Moving to Node #0,1,3 Current State: 53:[79, 37], Operations: ['98-19=79', '27+10=37'] Exploring Operation: 79*37=2923, Resulting Numbers: [2923] 2923,53 unequal: No Solution Exploring Operation: 79+37=116, Resulting Numbers: [116] 116,53 unequal: No Solution Exploring Operation: 79-37=42, Resulting Numbers: [42] 42,53 unequal: No Solution Moving to Node #0,1,4 Current State: 53:[10, 52], Operations: ['98-19=79', '79-27=52'] Exploring Operation: 10+52=62, Resulting Numbers: [62] 62,53 unequal: No Solution Exploring Operation: 10*52=520, Resulting Numbers: [520] 520,53 unequal: No Solution Exploring Operation: 52-10=42, Resulting Numbers: [42] 42,53 unequal: No Solution Moving to Node #0,1,0 Current State: 53:[79, 17], Operations: ['98-19=79', '27-10=17'] Exploring Operation: 79*17=1343, Resulting Numbers: [1343] 1343,53 unequal: No Solution Exploring Operation: 79+17=96, Resulting Numbers: [96] 96,53 unequal: No Solution Exploring Operation: 79-17=62, Resulting Numbers: [62] 62,53 unequal: No Solution Moving to Node #0,1,2 Current State: 53:[27, 89], Operations: ['98-19=79', '10+79=89'] Exploring Operation: 89-27=62, Resulting Numbers: [62] 62,53 unequal: No Solution Exploring Operation: 27+89=116, Resulting Numbers: [116] 116,53 unequal: No Solution Exploring Operation: 27*89=2403, Resulting Numbers: [2403] 2403,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 53:[98, 10, 46], Operations: ['19+27=46'] Exploring Operation: 46-10=36, Resulting Numbers: [98, 36] Generated Node #0,2,0: 53:[98, 36] Operation: 46-10=36 Exploring Operation: 98+10=108, Resulting Numbers: [46, 108] Generated Node #0,2,1: 53:[46, 108] Operation: 98+10=108 Exploring Operation: 10+46=56, Resulting Numbers: [98, 56] Generated Node #0,2,2: 53:[98, 56] Operation: 10+46=56 Exploring Operation: 98-46=52, Resulting Numbers: [10, 52] Generated Node #0,2,3: 53:[10, 52] Operation: 98-46=52 Exploring Operation: 98-10=88, Resulting Numbers: [46, 88] Generated Node #0,2,4: 53:[46, 88] Operation: 98-10=88 Moving to Node #0,2,4 Current State: 53:[46, 88], Operations: ['19+27=46', '98-10=88'] Exploring Operation: 88-46=42, Resulting Numbers: [42] 42,53 unequal: No Solution Exploring Operation: 46*88=4048, Resulting Numbers: [4048] 4048,53 unequal: No Solution Exploring Operation: 46+88=134, Resulting Numbers: [134] 134,53 unequal: No Solution Moving to Node #0,2,3 Current State: 53:[10, 52], Operations: ['19+27=46', '98-46=52'] Exploring Operation: 10*52=520, Resulting Numbers: [520] 520,53 unequal: No Solution Exploring Operation: 10+52=62, Resulting Numbers: [62] 62,53 unequal: No Solution Exploring Operation: 52-10=42, Resulting Numbers: [42] 42,53 unequal: No Solution Moving to Node #0,2,2 Current State: 53:[98, 56], Operations: ['19+27=46', '10+46=56'] Exploring Operation: 98+56=154, Resulting Numbers: [154] 154,53 unequal: No Solution Exploring Operation: 98*56=5488, Resulting Numbers: [5488] 5488,53 unequal: No Solution Exploring Operation: 98-56=42, Resulting Numbers: [42] 42,53 unequal: No Solution Moving to Node #0,2,0 Current State: 53:[98, 36], Operations: ['19+27=46', '46-10=36'] Exploring Operation: 98-36=62, Resulting Numbers: [62] 62,53 unequal: No Solution Exploring Operation: 98+36=134, Resulting Numbers: [134] 134,53 unequal: No Solution Exploring Operation: 98*36=3528, Resulting Numbers: [3528] 3528,53 unequal: No Solution Moving to Node #0,2,1 Current State: 53:[46, 108], Operations: ['19+27=46', '98+10=108'] Exploring Operation: 108-46=62, Resulting Numbers: [62] 62,53 unequal: No Solution Exploring Operation: 46*108=4968, Resulting Numbers: [4968] 4968,53 unequal: No Solution Exploring Operation: 46+108=154, Resulting Numbers: [154] 154,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 53:[19, 10, 71], Operations: ['98-27=71'] Exploring Operation: 19+10=29, Resulting Numbers: [71, 29] Generated Node #0,3,0: 53:[71, 29] Operation: 19+10=29 Exploring Operation: 19-10=9, Resulting Numbers: [71, 9] Generated Node #0,3,1: 53:[71, 9] Operation: 19-10=9 Exploring Operation: 10+71=81, Resulting Numbers: [19, 81] Generated Node #0,3,2: 53:[19, 81] Operation: 10+71=81 Exploring Operation: 71-19=52, Resulting Numbers: [10, 52] Generated Node #0,3,3: 53:[10, 52] Operation: 71-19=52 Exploring Operation: 71-10=61, Resulting Numbers: [19, 61] Generated Node #0,3,4: 53:[19, 61] Operation: 71-10=61 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 53:[71, 29], Operations: ['98-27=71', '19+10=29'] Exploring Operation: 71+29=100, Resulting Numbers: [100] 100,53 unequal: No Solution Exploring Operation: 71-29=42, Resulting Numbers: [42] 42,53 unequal: No Solution Exploring Operation: 71*29=2059, Resulting Numbers: [2059] 2059,53 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 #0,3,4 Current State: 53:[19, 61], Operations: ['98-27=71', '71-10=61'] Exploring Operation: 61-19=42, Resulting Numbers: [42] 42,53 unequal: No Solution Exploring Operation: 19*61=1159, Resulting Numbers: [1159] 1159,53 unequal: No Solution Exploring Operation: 19+61=80, Resulting Numbers: [80] 80,53 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 #0,3,3 Current State: 53:[10, 52], Operations: ['98-27=71', '71-19=52'] Exploring Operation: 52-10=42, Resulting Numbers: [42] 42,53 unequal: No Solution Exploring Operation: 10*52=520, Resulting Numbers: [520] 520,53 unequal: No Solution Exploring Operation: 10+52=62, Resulting Numbers: [62] 62,53 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 #0,3,1 Current State: 53:[71, 9], Operations: ['98-27=71', '19-10=9'] Exploring Operation: 71*9=639, Resulting Numbers: [639] 639,53 unequal: No Solution Exploring Operation: 71+9=80, Resulting Numbers: [80] 80,53 unequal: No Solution Exploring Operation: 71-9=62, Resulting Numbers: [62] 62,53 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 #0,3,2 Current State: 53:[19, 81], Operations: ['98-27=71', '10+71=81'] Exploring Operation: 81-19=62, Resulting Numbers: [62] 62,53 unequal: No Solution Exploring Operation: 19*81=1539, Resulting Numbers: [1539] 1539,53 unequal: No Solution Exploring Operation: 19+81=100, Resulting Numbers: [100] 100,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 53:[98, 27, 29], Operations: ['19+10=29'] Exploring Operation: 98-27=71, Resulting Numbers: [29, 71] Generated Node #0,4,0: 53:[29, 71] Operation: 98-27=71 Exploring Operation: 98-29=69, Resulting Numbers: [27, 69] Generated Node #0,4,1: 53:[27, 69] Operation: 98-29=69 Exploring Operation: 29-27=2, Resulting Numbers: [98, 2] Generated Node #0,4,2: 53:[98, 2] Operation: 29-27=2 Exploring Operation: 98+27=125, Resulting Numbers: [29, 125] Generated Node #0,4,3: 53:[29, 125] Operation: 98+27=125 Exploring Operation: 27+29=56, Resulting Numbers: [98, 56] Generated Node #0,4,4: 53:[98, 56] Operation: 27+29=56 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 53:[29, 71], Operations: ['19+10=29', '98-27=71'] Exploring Operation: 29*71=2059, Resulting Numbers: [2059] 2059,53 unequal: No Solution Exploring Operation: 71-29=42, Resulting Numbers: [42] 42,53 unequal: No Solution Exploring Operation: 29+71=100, Resulting Numbers: [100] 100,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 53:[27, 69], Operations: ['19+10=29', '98-29=69'] Exploring Operation: 27*69=1863, Resulting Numbers: [1863] 1863,53 unequal: No Solution Exploring Operation: 27+69=96, Resulting Numbers: [96] 96,53 unequal: No Solution Exploring Operation: 69-27=42, Resulting Numbers: [42] 42,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 53:[98, 56], Operations: ['19+10=29', '27+29=56'] Exploring Operation: 98+56=154, Resulting Numbers: [154] 154,53 unequal: No Solution Exploring Operation: 98*56=5488, Resulting Numbers: [5488] 5488,53 unequal: No Solution Exploring Operation: 98-56=42, Resulting Numbers: [42] 42,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 53:[98, 2], Operations: ['19+10=29', '29-27=2'] Exploring Operation: 98+2=100, Resulting Numbers: [100] 100,53 unequal: No Solution Exploring Operation: 98*2=196, Resulting Numbers: [196] 196,53 unequal: No Solution Exploring Operation: 98/2=49, Resulting Numbers: [49] 49,53 unequal: No Solution Exploring Operation: 98-2=96, Resulting Numbers: [96] 96,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 53:[29, 125], Operations: ['19+10=29', '98+27=125'] Exploring Operation: 29*125=3625, Resulting Numbers: [3625] 3625,53 unequal: No Solution Exploring Operation: 125-29=96, Resulting Numbers: [96] 96,53 unequal: No Solution Exploring Operation: 29+125=154, Resulting Numbers: [154] 154,53 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_5
sum_heuristic
[ 71, 76, 13, 45 ]
38
[ "71-45=26", "76*13=988", "988/26=38" ]
Current State: 38:[71, 76, 13, 45], Operations: [] Exploring Operation: 71-45=26, Resulting Numbers: [76, 13, 26] Generated Node #2: [76, 13, 26] from Operation: 71-45=26 Current State: 38:[76, 13, 26], Operations: ['71-45=26'] Exploring Operation: 76*13=988, Resulting Numbers: [26, 988] Generated Node #3: [26, 988] from Operation: 76*13=988 Current State: 38:[26, 988], Operations: ['71-45=26', '76*13=988'] Exploring Operation: 988/26=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[71, 76, 13, 45], Operations: [] Exploring Operation: 76-71=5, Resulting Numbers: [13, 45, 5] Generated Node #0,0: 38:[13, 45, 5] Operation: 76-71=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 38:[13, 45, 5], Operations: ['76-71=5'] Exploring Operation: 13+5=18, Resulting Numbers: [45, 18] Generated Node #0,0,0: 38:[45, 18] Operation: 13+5=18 Moving to Node #0,0,0 Current State: 38:[45, 18], Operations: ['76-71=5', '13+5=18'] Exploring Operation: 45-18=27, Resulting Numbers: [27] 27,38 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
[ 6, 8, 23, 75 ]
55
[ "6*23=138", "8+75=83", "138-83=55" ]
Current State: 55:[6, 8, 23, 75], Operations: [] Exploring Operation: 6*23=138, Resulting Numbers: [8, 75, 138] Generated Node #2: [8, 75, 138] from Operation: 6*23=138 Current State: 55:[8, 75, 138], Operations: ['6*23=138'] Exploring Operation: 8+75=83, Resulting Numbers: [138, 83] Generated Node #3: [138, 83] from Operation: 8+75=83 Current State: 55:[138, 83], Operations: ['6*23=138', '8+75=83'] Exploring Operation: 138-83=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[6, 8, 23, 75], Operations: [] Exploring Operation: 75-23=52, Resulting Numbers: [6, 8, 52] Generated Node #0,0: 55:[6, 8, 52] Operation: 75-23=52 Exploring Operation: 23-8=15, Resulting Numbers: [6, 75, 15] Generated Node #0,1: 55:[6, 75, 15] Operation: 23-8=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[6, 8, 52], Operations: ['75-23=52'] Exploring Operation: 8-6=2, Resulting Numbers: [52, 2] Generated Node #0,0,0: 55:[52, 2] Operation: 8-6=2 Exploring Operation: 6+8=14, Resulting Numbers: [52, 14] Generated Node #0,0,1: 55:[52, 14] Operation: 6+8=14 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 55:[52, 2], Operations: ['75-23=52', '8-6=2'] Exploring Operation: 52+2=54, Resulting Numbers: [54] 54,55 unequal: No Solution Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,55 unequal: No Solution No 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: 55:[52, 14], Operations: ['75-23=52', '6+8=14'] Exploring Operation: 52+14=66, Resulting Numbers: [66] 66,55 unequal: No Solution Exploring Operation: 52-14=38, Resulting Numbers: [38] 38,55 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: 55:[6, 75, 15], Operations: ['23-8=15'] Exploring Operation: 75/15=5, Resulting Numbers: [6, 5] Generated Node #0,1,0: 55:[6, 5] Operation: 75/15=5 Exploring Operation: 75-15=60, Resulting Numbers: [6, 60] Generated Node #0,1,1: 55:[6, 60] Operation: 75-15=60 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 55:[6, 5], Operations: ['23-8=15', '75/15=5'] Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,55 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,55 unequal: No Solution No 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: 55:[6, 60], Operations: ['23-8=15', '75-15=60'] Exploring Operation: 60/6=10, Resulting Numbers: [10] 10,55 unequal: No Solution Exploring Operation: 60-6=54, Resulting Numbers: [54] 54,55 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
[ 5, 11, 73, 3 ]
21
[ "5*11=55", "73+3=76", "76-55=21" ]
Current State: 21:[5, 11, 73, 3], Operations: [] Exploring Operation: 5*11=55, Resulting Numbers: [73, 3, 55] Generated Node #2: [73, 3, 55] from Operation: 5*11=55 Current State: 21:[73, 3, 55], Operations: ['5*11=55'] Exploring Operation: 73+3=76, Resulting Numbers: [55, 76] Generated Node #3: [55, 76] from Operation: 73+3=76 Current State: 21:[55, 76], Operations: ['5*11=55', '73+3=76'] Exploring Operation: 76-55=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[5, 11, 73, 3], Operations: [] Exploring Operation: 11-5=6, Resulting Numbers: [73, 3, 6] Generated Node #0,0: 21:[73, 3, 6] Operation: 11-5=6 Exploring Operation: 73-11=62, Resulting Numbers: [5, 3, 62] Generated Node #0,1: 21:[5, 3, 62] Operation: 73-11=62 Exploring Operation: 73-5=68, Resulting Numbers: [11, 3, 68] Generated Node #0,2: 21:[11, 3, 68] Operation: 73-5=68 Start Sub Search at level 1: Moving to Node #0,1 Current State: 21:[5, 3, 62], Operations: ['73-11=62'] Exploring Operation: 62-3=59, Resulting Numbers: [5, 59] Generated Node #0,1,0: 21:[5, 59] Operation: 62-3=59 Exploring Operation: 5+3=8, Resulting Numbers: [62, 8] Generated Node #0,1,1: 21:[62, 8] Operation: 5+3=8 Exploring Operation: 62-5=57, Resulting Numbers: [3, 57] Generated Node #0,1,2: 21:[3, 57] Operation: 62-5=57 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 21:[3, 57], Operations: ['73-11=62', '62-5=57'] Exploring Operation: 3+57=60, Resulting Numbers: [60] 60,21 unequal: No Solution Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,21 unequal: No Solution Exploring Operation: 57/3=19, Resulting Numbers: [19] 19,21 unequal: No Solution No 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: 21:[5, 59], Operations: ['73-11=62', '62-3=59'] Exploring Operation: 5+59=64, Resulting Numbers: [64] 64,21 unequal: No Solution Exploring Operation: 59-5=54, Resulting Numbers: [54] 54,21 unequal: No Solution Exploring Operation: 5*59=295, Resulting Numbers: [295] 295,21 unequal: No Solution No 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: 21:[62, 8], Operations: ['73-11=62', '5+3=8'] Exploring Operation: 62+8=70, Resulting Numbers: [70] 70,21 unequal: No Solution Exploring Operation: 62*8=496, Resulting Numbers: [496] 496,21 unequal: No Solution Exploring Operation: 62-8=54, Resulting Numbers: [54] 54,21 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: 21:[11, 3, 68], Operations: ['73-5=68'] Exploring Operation: 68-3=65, Resulting Numbers: [11, 65] Generated Node #0,2,0: 21:[11, 65] Operation: 68-3=65 Exploring Operation: 11-3=8, Resulting Numbers: [68, 8] Generated Node #0,2,1: 21:[68, 8] Operation: 11-3=8 Exploring Operation: 68-11=57, Resulting Numbers: [3, 57] Generated Node #0,2,2: 21:[3, 57] Operation: 68-11=57 Moving to Node #0,2,2 Current State: 21:[3, 57], Operations: ['73-5=68', '68-11=57'] Exploring Operation: 3+57=60, Resulting Numbers: [60] 60,21 unequal: No Solution Exploring Operation: 57/3=19, Resulting Numbers: [19] 19,21 unequal: No Solution Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,21 unequal: No Solution Moving to Node #0,2,0 Current State: 21:[11, 65], Operations: ['73-5=68', '68-3=65'] Exploring Operation: 11+65=76, Resulting Numbers: [76] 76,21 unequal: No Solution Exploring Operation: 11*65=715, Resulting Numbers: [715] 715,21 unequal: No Solution Exploring Operation: 65-11=54, Resulting Numbers: [54] 54,21 unequal: No Solution Moving to Node #0,2,1 Current State: 21:[68, 8], Operations: ['73-5=68', '11-3=8'] Exploring Operation: 68*8=544, Resulting Numbers: [544] 544,21 unequal: No Solution Exploring Operation: 68-8=60, Resulting Numbers: [60] 60,21 unequal: No Solution Exploring Operation: 68+8=76, Resulting Numbers: [76] 76,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[73, 3, 6], Operations: ['11-5=6'] Exploring Operation: 6-3=3, Resulting Numbers: [73, 3] Generated Node #0,0,0: 21:[73, 3] Operation: 6-3=3 Exploring Operation: 73-3=70, Resulting Numbers: [6, 70] Generated Node #0,0,1: 21:[6, 70] Operation: 73-3=70 Exploring Operation: 73-6=67, Resulting Numbers: [3, 67] Generated Node #0,0,2: 21:[3, 67] Operation: 73-6=67 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 21:[3, 67], Operations: ['11-5=6', '73-6=67'] Exploring Operation: 3*67=201, Resulting Numbers: [201] 201,21 unequal: No Solution Exploring Operation: 67-3=64, Resulting Numbers: [64] 64,21 unequal: No Solution Exploring Operation: 3+67=70, Resulting Numbers: [70] 70,21 unequal: No Solution No 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: 21:[6, 70], Operations: ['11-5=6', '73-3=70'] Exploring Operation: 6+70=76, Resulting Numbers: [76] 76,21 unequal: No Solution Exploring Operation: 6*70=420, Resulting Numbers: [420] 420,21 unequal: No Solution Exploring Operation: 70-6=64, Resulting Numbers: [64] 64,21 unequal: No Solution No 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: 21:[73, 3], Operations: ['11-5=6', '6-3=3'] Exploring Operation: 73*3=219, Resulting Numbers: [219] 219,21 unequal: No Solution Exploring Operation: 73+3=76, Resulting Numbers: [76] 76,21 unequal: No Solution Exploring Operation: 73-3=70, Resulting Numbers: [70] 70,21 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
[ 45, 37, 91, 79 ]
20
[ "45-37=8", "91-79=12", "8+12=20" ]
Current State: 20:[45, 37, 91, 79], Operations: [] Exploring Operation: 45-37=8, Resulting Numbers: [91, 79, 8] Generated Node #2: [91, 79, 8] from Operation: 45-37=8 Current State: 20:[91, 79, 8], Operations: ['45-37=8'] Exploring Operation: 91-79=12, Resulting Numbers: [8, 12] Generated Node #3: [8, 12] from Operation: 91-79=12 Current State: 20:[8, 12], Operations: ['45-37=8', '91-79=12'] Exploring Operation: 8+12=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[45, 37, 91, 79], Operations: [] Exploring Operation: 91-45=46, Resulting Numbers: [37, 79, 46] Generated Node #0,0: 20:[37, 79, 46] Operation: 91-45=46 Exploring Operation: 91-37=54, Resulting Numbers: [45, 79, 54] Generated Node #0,1: 20:[45, 79, 54] Operation: 91-37=54 Exploring Operation: 79-37=42, Resulting Numbers: [45, 91, 42] Generated Node #0,2: 20:[45, 91, 42] Operation: 79-37=42 Exploring Operation: 91-79=12, Resulting Numbers: [45, 37, 12] Generated Node #0,3: 20:[45, 37, 12] Operation: 91-79=12 Exploring Operation: 79-45=34, Resulting Numbers: [37, 91, 34] Generated Node #0,4: 20:[37, 91, 34] Operation: 79-45=34 Start Sub Search at level 1: Moving to Node #0,3 Current State: 20:[45, 37, 12], Operations: ['91-79=12'] Exploring Operation: 45+12=57, Resulting Numbers: [37, 57] Generated Node #0,3,0: 20:[37, 57] Operation: 45+12=57 Exploring Operation: 37-12=25, Resulting Numbers: [45, 25] Generated Node #0,3,1: 20:[45, 25] Operation: 37-12=25 Exploring Operation: 37+12=49, Resulting Numbers: [45, 49] Generated Node #0,3,2: 20:[45, 49] Operation: 37+12=49 Exploring Operation: 45-37=8, Resulting Numbers: [12, 8] Generated Node #0,3,3: 20:[12, 8] Operation: 45-37=8 Exploring Operation: 45-12=33, Resulting Numbers: [37, 33] Generated Node #0,3,4: 20:[37, 33] Operation: 45-12=33 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 20:[12, 8], Operations: ['91-79=12', '45-37=8'] Exploring Operation: 12+8=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[45, 37, 91, 79], Operations: [] Exploring Operation: 91-79=12, Resulting Numbers: [45, 37, 12] Generated Node #0,3: 20:[45, 37, 12] Operation: 91-79=12 Moving to Node #0,3 Current State: 20:[45, 37, 12], Operations: ['91-79=12'] Exploring Operation: 45-37=8, Resulting Numbers: [12, 8] Generated Node #0,3,3: 20:[12, 8] Operation: 45-37=8 Moving to Node #0,3,3 Current State: 20:[12, 8], Operations: ['91-79=12', '45-37=8'] Exploring Operation: 12+8=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 57, 47, 1, 84 ]
93
[ "57-47=10", "84-1=83", "10+83=93" ]
Current State: 93:[57, 47, 1, 84], Operations: [] Exploring Operation: 57-47=10, Resulting Numbers: [1, 84, 10] Generated Node #2: [1, 84, 10] from Operation: 57-47=10 Current State: 93:[1, 84, 10], Operations: ['57-47=10'] Exploring Operation: 84-1=83, Resulting Numbers: [10, 83] Generated Node #3: [10, 83] from Operation: 84-1=83 Current State: 93:[10, 83], Operations: ['57-47=10', '84-1=83'] Exploring Operation: 10+83=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[57, 47, 1, 84], Operations: [] Exploring Operation: 84-57=27, Resulting Numbers: [47, 1, 27] Generated Node #0,0: 93:[47, 1, 27] Operation: 84-57=27 Exploring Operation: 57+47=104, Resulting Numbers: [1, 84, 104] Generated Node #0,1: 93:[1, 84, 104] Operation: 57+47=104 Exploring Operation: 57-47=10, Resulting Numbers: [1, 84, 10] Generated Node #0,2: 93:[1, 84, 10] Operation: 57-47=10 Moving to Node #0,2 Current State: 93:[1, 84, 10], Operations: ['57-47=10'] Exploring Operation: 1+84=85, Resulting Numbers: [10, 85] Generated Node #0,2,0: 93:[10, 85] Operation: 1+84=85 Exploring Operation: 84+10=94, Resulting Numbers: [1, 94] Generated Node #0,2,1: 93:[1, 94] Operation: 84+10=94 Exploring Operation: 10-1=9, Resulting Numbers: [84, 9] Generated Node #0,2,2: 93:[84, 9] Operation: 10-1=9 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 93:[1, 94], Operations: ['57-47=10', '84+10=94'] Exploring Operation: 94-1=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[57, 47, 1, 84], Operations: [] Exploring Operation: 57-47=10, Resulting Numbers: [1, 84, 10] Generated Node #0,2: 93:[1, 84, 10] Operation: 57-47=10 Moving to Node #0,2 Current State: 93:[1, 84, 10], Operations: ['57-47=10'] Exploring Operation: 84+10=94, Resulting Numbers: [1, 94] Generated Node #0,2,1: 93:[1, 94] Operation: 84+10=94 Moving to Node #0,2,1 Current State: 93:[1, 94], Operations: ['57-47=10', '84+10=94'] Exploring Operation: 94-1=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 74, 44, 71, 5 ]
73
[ "74+71=145", "145/5=29", "44+29=73" ]
Current State: 73:[74, 44, 71, 5], Operations: [] Exploring Operation: 74+71=145, Resulting Numbers: [44, 5, 145] Generated Node #2: [44, 5, 145] from Operation: 74+71=145 Current State: 73:[44, 5, 145], Operations: ['74+71=145'] Exploring Operation: 145/5=29, Resulting Numbers: [44, 29] Generated Node #3: [44, 29] from Operation: 145/5=29 Current State: 73:[44, 29], Operations: ['74+71=145', '145/5=29'] Exploring Operation: 44+29=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[74, 44, 71, 5], Operations: [] Exploring Operation: 44+5=49, Resulting Numbers: [74, 71, 49] Generated Node #0,0: 73:[74, 71, 49] Operation: 44+5=49 Moving to Node #0,0 Current State: 73:[74, 71, 49], Operations: ['44+5=49'] Exploring Operation: 71+49=120, Resulting Numbers: [74, 120] Generated Node #0,0,0: 73:[74, 120] Operation: 71+49=120 Moving to Node #0,0,0 Current State: 73:[74, 120], Operations: ['44+5=49', '71+49=120'] Exploring Operation: 120-74=46, Resulting Numbers: [46] 46,73 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 21, 1, 30, 13 ]
22
[ "21*1=21", "30+13=43", "43-21=22" ]
Current State: 22:[21, 1, 30, 13], Operations: [] Exploring Operation: 21*1=21, Resulting Numbers: [30, 13, 21] Generated Node #2: [30, 13, 21] from Operation: 21*1=21 Current State: 22:[30, 13, 21], Operations: ['21*1=21'] Exploring Operation: 30+13=43, Resulting Numbers: [21, 43] Generated Node #3: [21, 43] from Operation: 30+13=43 Current State: 22:[21, 43], Operations: ['21*1=21', '30+13=43'] Exploring Operation: 43-21=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[21, 1, 30, 13], Operations: [] Exploring Operation: 30-21=9, Resulting Numbers: [1, 13, 9] Generated Node #0,0: 22:[1, 13, 9] Operation: 30-21=9 Exploring Operation: 30-1=29, Resulting Numbers: [21, 13, 29] Generated Node #0,1: 22:[21, 13, 29] Operation: 30-1=29 Exploring Operation: 21+1=22, Resulting Numbers: [30, 13, 22] Generated Node #0,2: 22:[30, 13, 22] Operation: 21+1=22 Exploring Operation: 13-1=12, Resulting Numbers: [21, 30, 12] Generated Node #0,3: 22:[21, 30, 12] Operation: 13-1=12 Exploring Operation: 30-13=17, Resulting Numbers: [21, 1, 17] Generated Node #0,4: 22:[21, 1, 17] Operation: 30-13=17 Moving to Node #0,0 Current State: 22:[1, 13, 9], Operations: ['30-21=9'] Exploring Operation: 13+9=22, Resulting Numbers: [1, 22] Generated Node #0,0,0: 22:[1, 22] Operation: 13+9=22 Exploring Operation: 13-1=12, Resulting Numbers: [9, 12] Generated Node #0,0,1: 22:[9, 12] Operation: 13-1=12 Exploring Operation: 1*13=13, Resulting Numbers: [9, 13] Generated Node #0,0,2: 22:[9, 13] Operation: 1*13=13 Exploring Operation: 13-9=4, Resulting Numbers: [1, 4] Generated Node #0,0,3: 22:[1, 4] Operation: 13-9=4 Exploring Operation: 1+9=10, Resulting Numbers: [13, 10] Generated Node #0,0,4: 22:[13, 10] Operation: 1+9=10 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 22:[1, 22], Operations: ['30-21=9', '13+9=22'] Exploring Operation: 1+22=23, Resulting Numbers: [23] 23,22 unequal: No Solution Exploring Operation: 1*22=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[21, 1, 30, 13], Operations: [] Exploring Operation: 30-21=9, Resulting Numbers: [1, 13, 9] Generated Node #0,0: 22:[1, 13, 9] Operation: 30-21=9 Moving to Node #0,0 Current State: 22:[1, 13, 9], Operations: ['30-21=9'] Exploring Operation: 13+9=22, Resulting Numbers: [1, 22] Generated Node #0,0,0: 22:[1, 22] Operation: 13+9=22 Moving to Node #0,0,0 Current State: 22:[1, 22], Operations: ['30-21=9', '13+9=22'] Exploring Operation: 1*22=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 33, 4, 60, 2 ]
80
[ "33+2=35", "4*35=140", "140-60=80" ]
Current State: 80:[33, 4, 60, 2], Operations: [] Exploring Operation: 33+2=35, Resulting Numbers: [4, 60, 35] Generated Node #2: [4, 60, 35] from Operation: 33+2=35 Current State: 80:[4, 60, 35], Operations: ['33+2=35'] Exploring Operation: 4*35=140, Resulting Numbers: [60, 140] Generated Node #3: [60, 140] from Operation: 4*35=140 Current State: 80:[60, 140], Operations: ['33+2=35', '4*35=140'] Exploring Operation: 140-60=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[33, 4, 60, 2], Operations: [] Exploring Operation: 60-33=27, Resulting Numbers: [4, 2, 27] Generated Node #0,0: 80:[4, 2, 27] Operation: 60-33=27 Moving to Node #0,0 Current State: 80:[4, 2, 27], Operations: ['60-33=27'] Exploring Operation: 27-4=23, Resulting Numbers: [2, 23] Generated Node #0,0,0: 80:[2, 23] Operation: 27-4=23 Moving to Node #0,0,0 Current State: 80:[2, 23], Operations: ['60-33=27', '27-4=23'] Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,80 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 65, 56, 17, 28 ]
80
[ "65+17=82", "56/28=2", "82-2=80" ]
Current State: 80:[65, 56, 17, 28], Operations: [] Exploring Operation: 65+17=82, Resulting Numbers: [56, 28, 82] Generated Node #2: [56, 28, 82] from Operation: 65+17=82 Current State: 80:[56, 28, 82], Operations: ['65+17=82'] Exploring Operation: 56/28=2, Resulting Numbers: [82, 2] Generated Node #3: [82, 2] from Operation: 56/28=2 Current State: 80:[82, 2], Operations: ['65+17=82', '56/28=2'] Exploring Operation: 82-2=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[65, 56, 17, 28], Operations: [] Exploring Operation: 65-56=9, Resulting Numbers: [17, 28, 9] Generated Node #0,0: 80:[17, 28, 9] Operation: 65-56=9 Exploring Operation: 56/28=2, Resulting Numbers: [65, 17, 2] Generated Node #0,1: 80:[65, 17, 2] Operation: 56/28=2 Exploring Operation: 65-28=37, Resulting Numbers: [56, 17, 37] Generated Node #0,2: 80:[56, 17, 37] Operation: 65-28=37 Moving to Node #0,0 Current State: 80:[17, 28, 9], Operations: ['65-56=9'] Exploring Operation: 28-9=19, Resulting Numbers: [17, 19] Generated Node #0,0,0: 80:[17, 19] Operation: 28-9=19 Exploring Operation: 28+9=37, Resulting Numbers: [17, 37] Generated Node #0,0,1: 80:[17, 37] Operation: 28+9=37 Exploring Operation: 28-17=11, Resulting Numbers: [9, 11] Generated Node #0,0,2: 80:[9, 11] Operation: 28-17=11 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 80:[17, 19], Operations: ['65-56=9', '28-9=19'] Exploring Operation: 17+19=36, Resulting Numbers: [36] 36,80 unequal: No Solution Exploring Operation: 17*19=323, Resulting Numbers: [323] 323,80 unequal: No Solution Exploring Operation: 19-17=2, Resulting Numbers: [2] 2,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 80:[9, 11], Operations: ['65-56=9', '28-17=11'] Exploring Operation: 9+11=20, Resulting Numbers: [20] 20,80 unequal: No Solution Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,80 unequal: No Solution Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 80:[17, 37], Operations: ['65-56=9', '28+9=37'] Exploring Operation: 37-17=20, Resulting Numbers: [20] 20,80 unequal: No Solution Exploring Operation: 17*37=629, Resulting Numbers: [629] 629,80 unequal: No Solution Exploring Operation: 17+37=54, Resulting Numbers: [54] 54,80 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: 80:[65, 17, 2], Operations: ['56/28=2'] Exploring Operation: 65+17=82, Resulting Numbers: [2, 82] Generated Node #0,1,0: 80:[2, 82] Operation: 65+17=82 Exploring Operation: 65+2=67, Resulting Numbers: [17, 67] Generated Node #0,1,1: 80:[17, 67] Operation: 65+2=67 Exploring Operation: 65-17=48, Resulting Numbers: [2, 48] Generated Node #0,1,2: 80:[2, 48] Operation: 65-17=48 Moving to Node #0,2 Current State: 80:[56, 17, 37], Operations: ['65-28=37'] Exploring Operation: 56-17=39, Resulting Numbers: [37, 39] Generated Node #0,2,0: 80:[37, 39] Operation: 56-17=39 Exploring Operation: 56+17=73, Resulting Numbers: [37, 73] Generated Node #0,2,1: 80:[37, 73] Operation: 56+17=73 Exploring Operation: 56-37=19, Resulting Numbers: [17, 19] Generated Node #0,2,2: 80:[17, 19] Operation: 56-37=19 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 80:[17, 19], Operations: ['65-28=37', '56-37=19'] Exploring Operation: 17*19=323, Resulting Numbers: [323] 323,80 unequal: No Solution Exploring Operation: 17+19=36, Resulting Numbers: [36] 36,80 unequal: No Solution Exploring Operation: 19-17=2, Resulting Numbers: [2] 2,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 80:[37, 39], Operations: ['65-28=37', '56-17=39'] Exploring Operation: 39-37=2, Resulting Numbers: [2] 2,80 unequal: No Solution Exploring Operation: 37+39=76, Resulting Numbers: [76] 76,80 unequal: No Solution Exploring Operation: 37*39=1443, Resulting Numbers: [1443] 1443,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 80:[37, 73], Operations: ['65-28=37', '56+17=73'] Exploring Operation: 37*73=2701, Resulting Numbers: [2701] 2701,80 unequal: No Solution Exploring Operation: 73-37=36, Resulting Numbers: [36] 36,80 unequal: No Solution Exploring Operation: 37+73=110, Resulting Numbers: [110] 110,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 80:[2, 82], Operations: ['56/28=2', '65+17=82'] Exploring Operation: 2+82=84, Resulting Numbers: [84] 84,80 unequal: No Solution Exploring Operation: 82-2=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[65, 56, 17, 28], Operations: [] Exploring Operation: 56/28=2, Resulting Numbers: [65, 17, 2] Generated Node #0,1: 80:[65, 17, 2] Operation: 56/28=2 Moving to Node #0,1 Current State: 80:[65, 17, 2], Operations: ['56/28=2'] Exploring Operation: 65+17=82, Resulting Numbers: [2, 82] Generated Node #0,1,0: 80:[2, 82] Operation: 65+17=82 Moving to Node #0,1,0 Current State: 80:[2, 82], Operations: ['56/28=2', '65+17=82'] Exploring Operation: 82-2=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
0.96875
hs_3
mult_heuristic
[ 59, 59, 22, 38 ]
17
[ "59/59=1", "38-22=16", "1+16=17" ]
Current State: 17:[59, 59, 22, 38], Operations: [] Exploring Operation: 59/59=1, Resulting Numbers: [22, 38, 1] Generated Node #2: [22, 38, 1] from Operation: 59/59=1 Current State: 17:[22, 38, 1], Operations: ['59/59=1'] Exploring Operation: 38-22=16, Resulting Numbers: [1, 16] Generated Node #3: [1, 16] from Operation: 38-22=16 Current State: 17:[1, 16], Operations: ['59/59=1', '38-22=16'] Exploring Operation: 1+16=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[59, 59, 22, 38], Operations: [] Exploring Operation: 59/59=1, Resulting Numbers: [22, 38, 1] Generated Node #0,0: 17:[22, 38, 1] Operation: 59/59=1 Exploring Operation: 59-59=0, Resulting Numbers: [22, 38, 0] Generated Node #0,1: 17:[22, 38, 0] Operation: 59-59=0 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[22, 38, 1], Operations: ['59/59=1'] Exploring Operation: 22-1=21, Resulting Numbers: [38, 21] Generated Node #0,0,0: 17:[38, 21] Operation: 22-1=21 Exploring Operation: 38-22=16, Resulting Numbers: [1, 16] Generated Node #0,0,1: 17:[1, 16] Operation: 38-22=16 Moving to Node #0,0,1 Current State: 17:[1, 16], Operations: ['59/59=1', '38-22=16'] Exploring Operation: 1+16=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[59, 59, 22, 38], Operations: [] Exploring Operation: 59/59=1, Resulting Numbers: [22, 38, 1] Generated Node #0,0: 17:[22, 38, 1] Operation: 59/59=1 Moving to Node #0,0 Current State: 17:[22, 38, 1], Operations: ['59/59=1'] Exploring Operation: 38-22=16, Resulting Numbers: [1, 16] Generated Node #0,0,1: 17:[1, 16] Operation: 38-22=16 Moving to Node #0,0,1 Current State: 17:[1, 16], Operations: ['59/59=1', '38-22=16'] Exploring Operation: 1+16=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 2, 80, 64, 52 ]
74
[ "64-52=12", "12/2=6", "80-6=74" ]
Current State: 74:[2, 80, 64, 52], Operations: [] Exploring Operation: 64-52=12, Resulting Numbers: [2, 80, 12] Generated Node #2: [2, 80, 12] from Operation: 64-52=12 Current State: 74:[2, 80, 12], Operations: ['64-52=12'] Exploring Operation: 12/2=6, Resulting Numbers: [80, 6] Generated Node #3: [80, 6] from Operation: 12/2=6 Current State: 74:[80, 6], Operations: ['64-52=12', '12/2=6'] Exploring Operation: 80-6=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[2, 80, 64, 52], Operations: [] Exploring Operation: 64-52=12, Resulting Numbers: [2, 80, 12] Generated Node #0,0: 74:[2, 80, 12] Operation: 64-52=12 Exploring Operation: 64/2=32, Resulting Numbers: [80, 52, 32] Generated Node #0,1: 74:[80, 52, 32] Operation: 64/2=32 Exploring Operation: 80-52=28, Resulting Numbers: [2, 64, 28] Generated Node #0,2: 74:[2, 64, 28] Operation: 80-52=28 Exploring Operation: 52/2=26, Resulting Numbers: [80, 64, 26] Generated Node #0,3: 74:[80, 64, 26] Operation: 52/2=26 Moving to Node #0,0 Current State: 74:[2, 80, 12], Operations: ['64-52=12'] Exploring Operation: 80/2=40, Resulting Numbers: [12, 40] Generated Node #0,0,0: 74:[12, 40] Operation: 80/2=40 Exploring Operation: 12/2=6, Resulting Numbers: [80, 6] Generated Node #0,0,1: 74:[80, 6] Operation: 12/2=6 Exploring Operation: 80-12=68, Resulting Numbers: [2, 68] Generated Node #0,0,2: 74:[2, 68] Operation: 80-12=68 Exploring Operation: 80-2=78, Resulting Numbers: [12, 78] Generated Node #0,0,3: 74:[12, 78] Operation: 80-2=78 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 74:[2, 68], Operations: ['64-52=12', '80-12=68'] Exploring Operation: 2+68=70, Resulting Numbers: [70] 70,74 unequal: No Solution Exploring Operation: 68-2=66, Resulting Numbers: [66] 66,74 unequal: No Solution Exploring Operation: 2*68=136, Resulting Numbers: [136] 136,74 unequal: No Solution Exploring Operation: 68/2=34, Resulting Numbers: [34] 34,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 74:[80, 6], Operations: ['64-52=12', '12/2=6'] Exploring Operation: 80+6=86, Resulting Numbers: [86] 86,74 unequal: No Solution Exploring Operation: 80-6=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[2, 80, 64, 52], Operations: [] Exploring Operation: 64-52=12, Resulting Numbers: [2, 80, 12] Generated Node #0,0: 74:[2, 80, 12] Operation: 64-52=12 Moving to Node #0,0 Current State: 74:[2, 80, 12], Operations: ['64-52=12'] Exploring Operation: 12/2=6, Resulting Numbers: [80, 6] Generated Node #0,0,1: 74:[80, 6] Operation: 12/2=6 Moving to Node #0,0,1 Current State: 74:[80, 6], Operations: ['64-52=12', '12/2=6'] Exploring Operation: 80-6=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
mult_heuristic
[ 43, 15, 39, 46 ]
35
[ "43-15=28", "46-39=7", "28+7=35" ]
Current State: 35:[43, 15, 39, 46], Operations: [] Exploring Operation: 43-15=28, Resulting Numbers: [39, 46, 28] Generated Node #2: [39, 46, 28] from Operation: 43-15=28 Current State: 35:[39, 46, 28], Operations: ['43-15=28'] Exploring Operation: 46-39=7, Resulting Numbers: [28, 7] Generated Node #3: [28, 7] from Operation: 46-39=7 Current State: 35:[28, 7], Operations: ['43-15=28', '46-39=7'] Exploring Operation: 28+7=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[43, 15, 39, 46], Operations: [] Exploring Operation: 43-15=28, Resulting Numbers: [39, 46, 28] Generated Node #0,0: 35:[39, 46, 28] Operation: 43-15=28 Exploring Operation: 46-39=7, Resulting Numbers: [43, 15, 7] Generated Node #0,1: 35:[43, 15, 7] Operation: 46-39=7 Exploring Operation: 46-15=31, Resulting Numbers: [43, 39, 31] Generated Node #0,2: 35:[43, 39, 31] Operation: 46-15=31 Exploring Operation: 43-39=4, Resulting Numbers: [15, 46, 4] Generated Node #0,3: 35:[15, 46, 4] Operation: 43-39=4 Exploring Operation: 46-43=3, Resulting Numbers: [15, 39, 3] Generated Node #0,4: 35:[15, 39, 3] Operation: 46-43=3 Start Sub Search at level 1: Moving to Node #0,4 Current State: 35:[15, 39, 3], Operations: ['46-43=3'] Exploring Operation: 15/3=5, Resulting Numbers: [39, 5] Generated Node #0,4,0: 35:[39, 5] Operation: 15/3=5 Exploring Operation: 15-3=12, Resulting Numbers: [39, 12] Generated Node #0,4,1: 35:[39, 12] Operation: 15-3=12 Exploring Operation: 15*3=45, Resulting Numbers: [39, 45] Generated Node #0,4,2: 35:[39, 45] Operation: 15*3=45 Exploring Operation: 39-15=24, Resulting Numbers: [3, 24] Generated Node #0,4,3: 35:[3, 24] Operation: 39-15=24 Exploring Operation: 39-3=36, Resulting Numbers: [15, 36] Generated Node #0,4,4: 35:[15, 36] Operation: 39-3=36 Moving to Node #0,4,0 Current State: 35:[39, 5], Operations: ['46-43=3', '15/3=5'] Exploring Operation: 39+5=44, Resulting Numbers: [44] 44,35 unequal: No Solution Exploring Operation: 39-5=34, Resulting Numbers: [34] 34,35 unequal: No Solution Exploring Operation: 39*5=195, Resulting Numbers: [195] 195,35 unequal: No Solution Moving to Node #0,4,4 Current State: 35:[15, 36], Operations: ['46-43=3', '39-3=36'] Exploring Operation: 36-15=21, Resulting Numbers: [21] 21,35 unequal: No Solution Exploring Operation: 15+36=51, Resulting Numbers: [51] 51,35 unequal: No Solution Exploring Operation: 15*36=540, Resulting Numbers: [540] 540,35 unequal: No Solution Moving to Node #0,4,1 Current State: 35:[39, 12], Operations: ['46-43=3', '15-3=12'] Exploring Operation: 39+12=51, Resulting Numbers: [51] 51,35 unequal: No Solution Exploring Operation: 39*12=468, Resulting Numbers: [468] 468,35 unequal: No Solution Exploring Operation: 39-12=27, Resulting Numbers: [27] 27,35 unequal: No Solution Moving to Node #0,4,3 Current State: 35:[3, 24], Operations: ['46-43=3', '39-15=24'] Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,35 unequal: No Solution Exploring Operation: 3+24=27, Resulting Numbers: [27] 27,35 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,35 unequal: No Solution Exploring Operation: 3*24=72, Resulting Numbers: [72] 72,35 unequal: No Solution Moving to Node #0,4,2 Current State: 35:[39, 45], Operations: ['46-43=3', '15*3=45'] Exploring Operation: 45-39=6, Resulting Numbers: [6] 6,35 unequal: No Solution Exploring Operation: 39+45=84, Resulting Numbers: [84] 84,35 unequal: No Solution Exploring Operation: 39*45=1755, Resulting Numbers: [1755] 1755,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 35:[43, 15, 7], Operations: ['46-39=7'] Exploring Operation: 15+7=22, Resulting Numbers: [43, 22] Generated Node #0,1,0: 35:[43, 22] Operation: 15+7=22 Exploring Operation: 43-15=28, Resulting Numbers: [7, 28] Generated Node #0,1,1: 35:[7, 28] Operation: 43-15=28 Exploring Operation: 43+15=58, Resulting Numbers: [7, 58] Generated Node #0,1,2: 35:[7, 58] Operation: 43+15=58 Exploring Operation: 15-7=8, Resulting Numbers: [43, 8] Generated Node #0,1,3: 35:[43, 8] Operation: 15-7=8 Exploring Operation: 43-7=36, Resulting Numbers: [15, 36] Generated Node #0,1,4: 35:[15, 36] Operation: 43-7=36 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 35:[7, 28], Operations: ['46-39=7', '43-15=28'] Exploring Operation: 7+28=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[43, 15, 39, 46], Operations: [] Exploring Operation: 46-39=7, Resulting Numbers: [43, 15, 7] Generated Node #0,1: 35:[43, 15, 7] Operation: 46-39=7 Moving to Node #0,1 Current State: 35:[43, 15, 7], Operations: ['46-39=7'] Exploring Operation: 43-15=28, Resulting Numbers: [7, 28] Generated Node #0,1,1: 35:[7, 28] Operation: 43-15=28 Moving to Node #0,1,1 Current State: 35:[7, 28], Operations: ['46-39=7', '43-15=28'] Exploring Operation: 7+28=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.96875
hs_5
mult_heuristic
[ 25, 69, 79, 76 ]
97
[ "25+69=94", "79-76=3", "94+3=97" ]
Current State: 97:[25, 69, 79, 76], Operations: [] Exploring Operation: 25+69=94, Resulting Numbers: [79, 76, 94] Generated Node #2: [79, 76, 94] from Operation: 25+69=94 Current State: 97:[79, 76, 94], Operations: ['25+69=94'] Exploring Operation: 79-76=3, Resulting Numbers: [94, 3] Generated Node #3: [94, 3] from Operation: 79-76=3 Current State: 97:[94, 3], Operations: ['25+69=94', '79-76=3'] Exploring Operation: 94+3=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[25, 69, 79, 76], Operations: [] Exploring Operation: 25+76=101, Resulting Numbers: [69, 79, 101] Generated Node #0,0: 97:[69, 79, 101] Operation: 25+76=101 Exploring Operation: 25+79=104, Resulting Numbers: [69, 76, 104] Generated Node #0,1: 97:[69, 76, 104] Operation: 25+79=104 Exploring Operation: 25+69=94, Resulting Numbers: [79, 76, 94] Generated Node #0,2: 97:[79, 76, 94] Operation: 25+69=94 Start Sub Search at level 1: Moving to Node #0,2 Current State: 97:[79, 76, 94], Operations: ['25+69=94'] Exploring Operation: 79+76=155, Resulting Numbers: [94, 155] Generated Node #0,2,0: 97:[94, 155] Operation: 79+76=155 Exploring Operation: 76+94=170, Resulting Numbers: [79, 170] Generated Node #0,2,1: 97:[79, 170] Operation: 76+94=170 Exploring Operation: 79-76=3, Resulting Numbers: [94, 3] Generated Node #0,2,2: 97:[94, 3] Operation: 79-76=3 Moving to Node #0,2,0 Current State: 97:[94, 155], Operations: ['25+69=94', '79+76=155'] Exploring Operation: 94+155=249, Resulting Numbers: [249] 249,97 unequal: No Solution Exploring Operation: 155-94=61, Resulting Numbers: [61] 61,97 unequal: No Solution Exploring Operation: 94*155=14570, Resulting Numbers: [14570] 14570,97 unequal: No Solution Moving to Node #0,2,1 Current State: 97:[79, 170], Operations: ['25+69=94', '76+94=170'] Exploring Operation: 79*170=13430, Resulting Numbers: [13430] 13430,97 unequal: No Solution Exploring Operation: 170-79=91, Resulting Numbers: [91] 91,97 unequal: No Solution Exploring Operation: 79+170=249, Resulting Numbers: [249] 249,97 unequal: No Solution Moving to Node #0,2,2 Current State: 97:[94, 3], Operations: ['25+69=94', '79-76=3'] Exploring Operation: 94+3=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[25, 69, 79, 76], Operations: [] Exploring Operation: 25+69=94, Resulting Numbers: [79, 76, 94] Generated Node #0,2: 97:[79, 76, 94] Operation: 25+69=94 Moving to Node #0,2 Current State: 97:[79, 76, 94], Operations: ['25+69=94'] Exploring Operation: 79-76=3, Resulting Numbers: [94, 3] Generated Node #0,2,2: 97:[94, 3] Operation: 79-76=3 Moving to Node #0,2,2 Current State: 97:[94, 3], Operations: ['25+69=94', '79-76=3'] Exploring Operation: 94+3=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_3
mult_heuristic
[ 4, 23, 31, 29 ]
87
[ "4+23=27", "31+29=60", "27+60=87" ]
Current State: 87:[4, 23, 31, 29], Operations: [] Exploring Operation: 4+23=27, Resulting Numbers: [31, 29, 27] Generated Node #2: [31, 29, 27] from Operation: 4+23=27 Current State: 87:[31, 29, 27], Operations: ['4+23=27'] Exploring Operation: 31+29=60, Resulting Numbers: [27, 60] Generated Node #3: [27, 60] from Operation: 31+29=60 Current State: 87:[27, 60], Operations: ['4+23=27', '31+29=60'] Exploring Operation: 27+60=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[4, 23, 31, 29], Operations: [] Exploring Operation: 4+23=27, Resulting Numbers: [31, 29, 27] Generated Node #0,0: 87:[31, 29, 27] Operation: 4+23=27 Exploring Operation: 31-23=8, Resulting Numbers: [4, 29, 8] Generated Node #0,1: 87:[4, 29, 8] Operation: 31-23=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[31, 29, 27], Operations: ['4+23=27'] Exploring Operation: 31-27=4, Resulting Numbers: [29, 4] Generated Node #0,0,0: 87:[29, 4] Operation: 31-27=4 Exploring Operation: 31-29=2, Resulting Numbers: [27, 2] Generated Node #0,0,1: 87:[27, 2] Operation: 31-29=2 Moving to Node #0,0,0 Current State: 87:[29, 4], Operations: ['4+23=27', '31-27=4'] Exploring Operation: 29-4=25, Resulting Numbers: [25] 25,87 unequal: No Solution Exploring Operation: 29+4=33, Resulting Numbers: [33] 33,87 unequal: No Solution Moving to Node #0,0,1 Current State: 87:[27, 2], Operations: ['4+23=27', '31-29=2'] Exploring Operation: 27+2=29, Resulting Numbers: [29] 29,87 unequal: No Solution Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 87:[4, 29, 8], Operations: ['31-23=8'] Exploring Operation: 8-4=4, Resulting Numbers: [29, 4] Generated Node #0,1,0: 87:[29, 4] Operation: 8-4=4 Exploring Operation: 8/4=2, Resulting Numbers: [29, 2] Generated Node #0,1,1: 87:[29, 2] Operation: 8/4=2 Moving to Node #0,1,0 Current State: 87:[29, 4], Operations: ['31-23=8', '8-4=4'] Exploring Operation: 29+4=33, Resulting Numbers: [33] 33,87 unequal: No Solution Exploring Operation: 29-4=25, Resulting Numbers: [25] 25,87 unequal: No Solution Moving to Node #0,1,1 Current State: 87:[29, 2], Operations: ['31-23=8', '8/4=2'] Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,87 unequal: No Solution Exploring Operation: 29+2=31, Resulting Numbers: [31] 31,87 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
[ 41, 42, 46, 17 ]
54
[ "41+42=83", "46-17=29", "83-29=54" ]
Current State: 54:[41, 42, 46, 17], Operations: [] Exploring Operation: 41+42=83, Resulting Numbers: [46, 17, 83] Generated Node #2: [46, 17, 83] from Operation: 41+42=83 Current State: 54:[46, 17, 83], Operations: ['41+42=83'] Exploring Operation: 46-17=29, Resulting Numbers: [83, 29] Generated Node #3: [83, 29] from Operation: 46-17=29 Current State: 54:[83, 29], Operations: ['41+42=83', '46-17=29'] Exploring Operation: 83-29=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[41, 42, 46, 17], Operations: [] Exploring Operation: 42-41=1, Resulting Numbers: [46, 17, 1] Generated Node #0,0: 54:[46, 17, 1] Operation: 42-41=1 Moving to Node #0,0 Current State: 54:[46, 17, 1], Operations: ['42-41=1'] Exploring Operation: 46-17=29, Resulting Numbers: [1, 29] Generated Node #0,0,0: 54:[1, 29] Operation: 46-17=29 Moving to Node #0,0,0 Current State: 54:[1, 29], Operations: ['42-41=1', '46-17=29'] Exploring Operation: 29-1=28, Resulting Numbers: [28] 28,54 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 21, 46, 51, 25 ]
26
[ "51-46=5", "25/5=5", "21+5=26" ]
Current State: 26:[21, 46, 51, 25], Operations: [] Exploring Operation: 51-46=5, Resulting Numbers: [21, 25, 5] Generated Node #2: [21, 25, 5] from Operation: 51-46=5 Current State: 26:[21, 25, 5], Operations: ['51-46=5'] Exploring Operation: 25/5=5, Resulting Numbers: [21, 5] Generated Node #3: [21, 5] from Operation: 25/5=5 Current State: 26:[21, 5], Operations: ['51-46=5', '25/5=5'] Exploring Operation: 21+5=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[21, 46, 51, 25], Operations: [] Exploring Operation: 51-46=5, Resulting Numbers: [21, 25, 5] Generated Node #0,0: 26:[21, 25, 5] Operation: 51-46=5 Exploring Operation: 51-21=30, Resulting Numbers: [46, 25, 30] Generated Node #0,1: 26:[46, 25, 30] Operation: 51-21=30 Exploring Operation: 46-21=25, Resulting Numbers: [51, 25, 25] Generated Node #0,2: 26:[51, 25, 25] Operation: 46-21=25 Exploring Operation: 46-25=21, Resulting Numbers: [21, 51, 21] Generated Node #0,3: 26:[21, 51, 21] Operation: 46-25=21 Exploring Operation: 51-25=26, Resulting Numbers: [21, 46, 26] Generated Node #0,4: 26:[21, 46, 26] Operation: 51-25=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[21, 25, 5], Operations: ['51-46=5'] Exploring Operation: 25+5=30, Resulting Numbers: [21, 30] Generated Node #0,0,0: 26:[21, 30] Operation: 25+5=30 Exploring Operation: 21+5=26, Resulting Numbers: [25, 26] Generated Node #0,0,1: 26:[25, 26] Operation: 21+5=26 Exploring Operation: 21-5=16, Resulting Numbers: [25, 16] Generated Node #0,0,2: 26:[25, 16] Operation: 21-5=16 Exploring Operation: 25-21=4, Resulting Numbers: [5, 4] Generated Node #0,0,3: 26:[5, 4] Operation: 25-21=4 Exploring Operation: 25/5=5, Resulting Numbers: [21, 5] Generated Node #0,0,4: 26:[21, 5] Operation: 25/5=5 Moving to Node #0,0,1 Current State: 26:[25, 26], Operations: ['51-46=5', '21+5=26'] Exploring Operation: 26-25=1, Resulting Numbers: [1] 1,26 unequal: No Solution Exploring Operation: 25*26=650, Resulting Numbers: [650] 650,26 unequal: No Solution Exploring Operation: 25+26=51, Resulting Numbers: [51] 51,26 unequal: No Solution Moving to Node #0,0,2 Current State: 26:[25, 16], Operations: ['51-46=5', '21-5=16'] Exploring Operation: 25*16=400, Resulting Numbers: [400] 400,26 unequal: No Solution Exploring Operation: 25+16=41, Resulting Numbers: [41] 41,26 unequal: No Solution Exploring Operation: 25-16=9, Resulting Numbers: [9] 9,26 unequal: No Solution Moving to Node #0,0,3 Current State: 26:[5, 4], Operations: ['51-46=5', '25-21=4'] Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,26 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,26 unequal: No Solution Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,26 unequal: No Solution Moving to Node #0,0,4 Current State: 26:[21, 5], Operations: ['51-46=5', '25/5=5'] Exploring Operation: 21+5=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[21, 46, 51, 25], Operations: [] Exploring Operation: 51-46=5, Resulting Numbers: [21, 25, 5] Generated Node #0,0: 26:[21, 25, 5] Operation: 51-46=5 Moving to Node #0,0 Current State: 26:[21, 25, 5], Operations: ['51-46=5'] Exploring Operation: 25/5=5, Resulting Numbers: [21, 5] Generated Node #0,0,4: 26:[21, 5] Operation: 25/5=5 Moving to Node #0,0,4 Current State: 26:[21, 5], Operations: ['51-46=5', '25/5=5'] Exploring Operation: 21+5=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_5
sum_heuristic
[ 28, 8, 63, 99 ]
81
[ "8*63=504", "504/28=18", "99-18=81" ]
Current State: 81:[28, 8, 63, 99], Operations: [] Exploring Operation: 8*63=504, Resulting Numbers: [28, 99, 504] Generated Node #2: [28, 99, 504] from Operation: 8*63=504 Current State: 81:[28, 99, 504], Operations: ['8*63=504'] Exploring Operation: 504/28=18, Resulting Numbers: [99, 18] Generated Node #3: [99, 18] from Operation: 504/28=18 Current State: 81:[99, 18], Operations: ['8*63=504', '504/28=18'] Exploring Operation: 99-18=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[28, 8, 63, 99], Operations: [] Exploring Operation: 63-28=35, Resulting Numbers: [8, 99, 35] Generated Node #0,0: 81:[8, 99, 35] Operation: 63-28=35 Exploring Operation: 99-28=71, Resulting Numbers: [8, 63, 71] Generated Node #0,1: 81:[8, 63, 71] Operation: 99-28=71 Exploring Operation: 99-63=36, Resulting Numbers: [28, 8, 36] Generated Node #0,2: 81:[28, 8, 36] Operation: 99-63=36 Exploring Operation: 28+63=91, Resulting Numbers: [8, 99, 91] Generated Node #0,3: 81:[8, 99, 91] Operation: 28+63=91 Start Sub Search at level 1: Moving to Node #0,2 Current State: 81:[28, 8, 36], Operations: ['99-63=36'] Exploring Operation: 36-28=8, Resulting Numbers: [8, 8] Generated Node #0,2,0: 81:[8, 8] Operation: 36-28=8 Exploring Operation: 36-8=28, Resulting Numbers: [28, 28] Generated Node #0,2,1: 81:[28, 28] Operation: 36-8=28 Exploring Operation: 28+8=36, Resulting Numbers: [36, 36] Generated Node #0,2,2: 81:[36, 36] Operation: 28+8=36 Exploring Operation: 28-8=20, Resulting Numbers: [36, 20] Generated Node #0,2,3: 81:[36, 20] Operation: 28-8=20 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 81:[8, 8], Operations: ['99-63=36', '36-28=8'] Exploring Operation: 8-8=0, Resulting Numbers: [0] 0,81 unequal: No Solution Exploring Operation: 8/8=1, Resulting Numbers: [1] 1,81 unequal: No Solution Exploring Operation: 8*8=64, Resulting Numbers: [64] 64,81 unequal: No Solution Exploring Operation: 8+8=16, Resulting Numbers: [16] 16,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 81:[28, 28], Operations: ['99-63=36', '36-8=28'] Exploring Operation: 28*28=784, Resulting Numbers: [784] 784,81 unequal: No Solution Exploring Operation: 28-28=0, Resulting Numbers: [0] 0,81 unequal: No Solution Exploring Operation: 28/28=1, Resulting Numbers: [1] 1,81 unequal: No Solution Exploring Operation: 28+28=56, Resulting Numbers: [56] 56,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 81:[36, 20], Operations: ['99-63=36', '28-8=20'] Exploring Operation: 36-20=16, Resulting Numbers: [16] 16,81 unequal: No Solution Exploring Operation: 36*20=720, Resulting Numbers: [720] 720,81 unequal: No Solution Exploring Operation: 36+20=56, Resulting Numbers: [56] 56,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 81:[36, 36], Operations: ['99-63=36', '28+8=36'] Exploring Operation: 36*36=1296, Resulting Numbers: [1296] 1296,81 unequal: No Solution Exploring Operation: 36/36=1, Resulting Numbers: [1] 1,81 unequal: No Solution Exploring Operation: 36+36=72, Resulting Numbers: [72] 72,81 unequal: No Solution Exploring Operation: 36-36=0, Resulting Numbers: [0] 0,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[8, 99, 35], Operations: ['63-28=35'] Exploring Operation: 99-8=91, Resulting Numbers: [35, 91] Generated Node #0,0,0: 81:[35, 91] Operation: 99-8=91 Exploring Operation: 8+99=107, Resulting Numbers: [35, 107] Generated Node #0,0,1: 81:[35, 107] Operation: 8+99=107 Exploring Operation: 99-35=64, Resulting Numbers: [8, 64] Generated Node #0,0,2: 81:[8, 64] Operation: 99-35=64 Exploring Operation: 35-8=27, Resulting Numbers: [99, 27] Generated Node #0,0,3: 81:[99, 27] Operation: 35-8=27 Moving to Node #0,0,0 Current State: 81:[35, 91], Operations: ['63-28=35', '99-8=91'] Exploring Operation: 35+91=126, Resulting Numbers: [126] 126,81 unequal: No Solution Exploring Operation: 91-35=56, Resulting Numbers: [56] 56,81 unequal: No Solution Exploring Operation: 35*91=3185, Resulting Numbers: [3185] 3185,81 unequal: No Solution Moving to Node #0,0,3 Current State: 81:[99, 27], Operations: ['63-28=35', '35-8=27'] Exploring Operation: 99-27=72, Resulting Numbers: [72] 72,81 unequal: No Solution Exploring Operation: 99*27=2673, Resulting Numbers: [2673] 2673,81 unequal: No Solution Exploring Operation: 99+27=126, Resulting Numbers: [126] 126,81 unequal: No Solution Moving to Node #0,0,2 Current State: 81:[8, 64], Operations: ['63-28=35', '99-35=64'] Exploring Operation: 8+64=72, Resulting Numbers: [72] 72,81 unequal: No Solution Exploring Operation: 8*64=512, Resulting Numbers: [512] 512,81 unequal: No Solution Exploring Operation: 64/8=8, Resulting Numbers: [8] 8,81 unequal: No Solution Exploring Operation: 64-8=56, Resulting Numbers: [56] 56,81 unequal: No Solution Moving to Node #0,0,1 Current State: 81:[35, 107], Operations: ['63-28=35', '8+99=107'] Exploring Operation: 35+107=142, Resulting Numbers: [142] 142,81 unequal: No Solution Exploring Operation: 107-35=72, Resulting Numbers: [72] 72,81 unequal: No Solution Exploring Operation: 35*107=3745, Resulting Numbers: [3745] 3745,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 81:[8, 63, 71], Operations: ['99-28=71'] Exploring Operation: 8+71=79, Resulting Numbers: [63, 79] Generated Node #0,1,0: 81:[63, 79] Operation: 8+71=79 Exploring Operation: 8+63=71, Resulting Numbers: [71, 71] Generated Node #0,1,1: 81:[71, 71] Operation: 8+63=71 Exploring Operation: 63-8=55, Resulting Numbers: [71, 55] Generated Node #0,1,2: 81:[71, 55] Operation: 63-8=55 Exploring Operation: 71-63=8, Resulting Numbers: [8, 8] Generated Node #0,1,3: 81:[8, 8] Operation: 71-63=8 Moving to Node #0,1,3 Current State: 81:[8, 8], Operations: ['99-28=71', '71-63=8'] Exploring Operation: 8/8=1, Resulting Numbers: [1] 1,81 unequal: No Solution Exploring Operation: 8+8=16, Resulting Numbers: [16] 16,81 unequal: No Solution Exploring Operation: 8-8=0, Resulting Numbers: [0] 0,81 unequal: No Solution Exploring Operation: 8*8=64, Resulting Numbers: [64] 64,81 unequal: No Solution Moving to Node #0,1,1 Current State: 81:[71, 71], Operations: ['99-28=71', '8+63=71'] Exploring Operation: 71/71=1, Resulting Numbers: [1] 1,81 unequal: No Solution Exploring Operation: 71-71=0, Resulting Numbers: [0] 0,81 unequal: No Solution Exploring Operation: 71+71=142, Resulting Numbers: [142] 142,81 unequal: No Solution Exploring Operation: 71*71=5041, Resulting Numbers: [5041] 5041,81 unequal: No Solution Moving to Node #0,1,0 Current State: 81:[63, 79], Operations: ['99-28=71', '8+71=79'] Exploring Operation: 63+79=142, Resulting Numbers: [142] 142,81 unequal: No Solution Exploring Operation: 79-63=16, Resulting Numbers: [16] 16,81 unequal: No Solution Exploring Operation: 63*79=4977, Resulting Numbers: [4977] 4977,81 unequal: No Solution Moving to Node #0,1,2 Current State: 81:[71, 55], Operations: ['99-28=71', '63-8=55'] Exploring Operation: 71-55=16, Resulting Numbers: [16] 16,81 unequal: No Solution Exploring Operation: 71+55=126, Resulting Numbers: [126] 126,81 unequal: No Solution Exploring Operation: 71*55=3905, Resulting Numbers: [3905] 3905,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 81:[8, 99, 91], Operations: ['28+63=91'] Exploring Operation: 99-91=8, Resulting Numbers: [8, 8] Generated Node #0,3,0: 81:[8, 8] Operation: 99-91=8 Exploring Operation: 8+99=107, Resulting Numbers: [91, 107] Generated Node #0,3,1: 81:[91, 107] Operation: 8+99=107 Exploring Operation: 91-8=83, Resulting Numbers: [99, 83] Generated Node #0,3,2: 81:[99, 83] Operation: 91-8=83 Exploring Operation: 99-8=91, Resulting Numbers: [91, 91] Generated Node #0,3,3: 81:[91, 91] Operation: 99-8=91 Moving to Node #0,3,0 Current State: 81:[8, 8], Operations: ['28+63=91', '99-91=8'] Exploring Operation: 8-8=0, Resulting Numbers: [0] 0,81 unequal: No Solution Exploring Operation: 8/8=1, Resulting Numbers: [1] 1,81 unequal: No Solution Exploring Operation: 8+8=16, Resulting Numbers: [16] 16,81 unequal: No Solution Exploring Operation: 8*8=64, Resulting Numbers: [64] 64,81 unequal: No Solution Moving to Node #0,3,3 Current State: 81:[91, 91], Operations: ['28+63=91', '99-8=91'] Exploring Operation: 91/91=1, Resulting Numbers: [1] 1,81 unequal: No Solution Exploring Operation: 91-91=0, Resulting Numbers: [0] 0,81 unequal: No Solution Exploring Operation: 91*91=8281, Resulting Numbers: [8281] 8281,81 unequal: No Solution Exploring Operation: 91+91=182, Resulting Numbers: [182] 182,81 unequal: No Solution Moving to Node #0,3,2 Current State: 81:[99, 83], Operations: ['28+63=91', '91-8=83'] Exploring Operation: 99+83=182, Resulting Numbers: [182] 182,81 unequal: No Solution Exploring Operation: 99-83=16, Resulting Numbers: [16] 16,81 unequal: No Solution Exploring Operation: 99*83=8217, Resulting Numbers: [8217] 8217,81 unequal: No Solution Moving to Node #0,3,1 Current State: 81:[91, 107], Operations: ['28+63=91', '8+99=107'] Exploring Operation: 107-91=16, Resulting Numbers: [16] 16,81 unequal: No Solution Exploring Operation: 91*107=9737, Resulting Numbers: [9737] 9737,81 unequal: No Solution Exploring Operation: 91+107=198, Resulting Numbers: [198] 198,81 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
[ 76, 34, 66, 64 ]
21
[ "76-34=42", "66-64=2", "42/2=21" ]
Current State: 21:[76, 34, 66, 64], Operations: [] Exploring Operation: 76-34=42, Resulting Numbers: [66, 64, 42] Generated Node #2: [66, 64, 42] from Operation: 76-34=42 Current State: 21:[66, 64, 42], Operations: ['76-34=42'] Exploring Operation: 66-64=2, Resulting Numbers: [42, 2] Generated Node #3: [42, 2] from Operation: 66-64=2 Current State: 21:[42, 2], Operations: ['76-34=42', '66-64=2'] Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[76, 34, 66, 64], Operations: [] Exploring Operation: 76-34=42, Resulting Numbers: [66, 64, 42] Generated Node #0,0: 21:[66, 64, 42] Operation: 76-34=42 Exploring Operation: 76-64=12, Resulting Numbers: [34, 66, 12] Generated Node #0,1: 21:[34, 66, 12] Operation: 76-64=12 Exploring Operation: 76-66=10, Resulting Numbers: [34, 64, 10] Generated Node #0,2: 21:[34, 64, 10] Operation: 76-66=10 Exploring Operation: 66-34=32, Resulting Numbers: [76, 64, 32] Generated Node #0,3: 21:[76, 64, 32] Operation: 66-34=32 Exploring Operation: 66-64=2, Resulting Numbers: [76, 34, 2] Generated Node #0,4: 21:[76, 34, 2] Operation: 66-64=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 21:[34, 64, 10], Operations: ['76-66=10'] Exploring Operation: 64-34=30, Resulting Numbers: [10, 30] Generated Node #0,2,0: 21:[10, 30] Operation: 64-34=30 Exploring Operation: 34+10=44, Resulting Numbers: [64, 44] Generated Node #0,2,1: 21:[64, 44] Operation: 34+10=44 Exploring Operation: 64-10=54, Resulting Numbers: [34, 54] Generated Node #0,2,2: 21:[34, 54] Operation: 64-10=54 Exploring Operation: 34-10=24, Resulting Numbers: [64, 24] Generated Node #0,2,3: 21:[64, 24] Operation: 34-10=24 Exploring Operation: 64+10=74, Resulting Numbers: [34, 74] Generated Node #0,2,4: 21:[34, 74] Operation: 64+10=74 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 21:[10, 30], Operations: ['76-66=10', '64-34=30'] Exploring Operation: 10*30=300, Resulting Numbers: [300] 300,21 unequal: No Solution Exploring Operation: 30-10=20, Resulting Numbers: [20] 20,21 unequal: No Solution Exploring Operation: 30/10=3, Resulting Numbers: [3] 3,21 unequal: No Solution Exploring Operation: 10+30=40, Resulting Numbers: [40] 40,21 unequal: No Solution No 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: 21:[34, 54], Operations: ['76-66=10', '64-10=54'] Exploring Operation: 34*54=1836, Resulting Numbers: [1836] 1836,21 unequal: No Solution Exploring Operation: 34+54=88, Resulting Numbers: [88] 88,21 unequal: No Solution Exploring Operation: 54-34=20, Resulting Numbers: [20] 20,21 unequal: No Solution No 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: 21:[64, 24], Operations: ['76-66=10', '34-10=24'] Exploring Operation: 64-24=40, Resulting Numbers: [40] 40,21 unequal: No Solution Exploring Operation: 64+24=88, Resulting Numbers: [88] 88,21 unequal: No Solution Exploring Operation: 64*24=1536, Resulting Numbers: [1536] 1536,21 unequal: No Solution No 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: 21:[64, 44], Operations: ['76-66=10', '34+10=44'] Exploring Operation: 64*44=2816, Resulting Numbers: [2816] 2816,21 unequal: No Solution Exploring Operation: 64-44=20, Resulting Numbers: [20] 20,21 unequal: No Solution Exploring Operation: 64+44=108, Resulting Numbers: [108] 108,21 unequal: No Solution No 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: 21:[34, 74], Operations: ['76-66=10', '64+10=74'] Exploring Operation: 74-34=40, Resulting Numbers: [40] 40,21 unequal: No Solution Exploring Operation: 34*74=2516, Resulting Numbers: [2516] 2516,21 unequal: No Solution Exploring Operation: 34+74=108, Resulting Numbers: [108] 108,21 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: 21:[34, 66, 12], Operations: ['76-64=12'] Exploring Operation: 66+12=78, Resulting Numbers: [34, 78] Generated Node #0,1,0: 21:[34, 78] Operation: 66+12=78 Exploring Operation: 66-34=32, Resulting Numbers: [12, 32] Generated Node #0,1,1: 21:[12, 32] Operation: 66-34=32 Exploring Operation: 66-12=54, Resulting Numbers: [34, 54] Generated Node #0,1,2: 21:[34, 54] Operation: 66-12=54 Exploring Operation: 34-12=22, Resulting Numbers: [66, 22] Generated Node #0,1,3: 21:[66, 22] Operation: 34-12=22 Exploring Operation: 34+12=46, Resulting Numbers: [66, 46] Generated Node #0,1,4: 21:[66, 46] Operation: 34+12=46 Moving to Node #0,1,1 Current State: 21:[12, 32], Operations: ['76-64=12', '66-34=32'] Exploring Operation: 12*32=384, Resulting Numbers: [384] 384,21 unequal: No Solution Exploring Operation: 12+32=44, Resulting Numbers: [44] 44,21 unequal: No Solution Exploring Operation: 32-12=20, Resulting Numbers: [20] 20,21 unequal: No Solution Moving to Node #0,1,3 Current State: 21:[66, 22], Operations: ['76-64=12', '34-12=22'] Exploring Operation: 66+22=88, Resulting Numbers: [88] 88,21 unequal: No Solution Exploring Operation: 66*22=1452, Resulting Numbers: [1452] 1452,21 unequal: No Solution Exploring Operation: 66-22=44, Resulting Numbers: [44] 44,21 unequal: No Solution Exploring Operation: 66/22=3, Resulting Numbers: [3] 3,21 unequal: No Solution Moving to Node #0,1,2 Current State: 21:[34, 54], Operations: ['76-64=12', '66-12=54'] Exploring Operation: 34+54=88, Resulting Numbers: [88] 88,21 unequal: No Solution Exploring Operation: 54-34=20, Resulting Numbers: [20] 20,21 unequal: No Solution Exploring Operation: 34*54=1836, Resulting Numbers: [1836] 1836,21 unequal: No Solution Moving to Node #0,1,0 Current State: 21:[34, 78], Operations: ['76-64=12', '66+12=78'] Exploring Operation: 34*78=2652, Resulting Numbers: [2652] 2652,21 unequal: No Solution Exploring Operation: 34+78=112, Resulting Numbers: [112] 112,21 unequal: No Solution Exploring Operation: 78-34=44, Resulting Numbers: [44] 44,21 unequal: No Solution Moving to Node #0,1,4 Current State: 21:[66, 46], Operations: ['76-64=12', '34+12=46'] Exploring Operation: 66-46=20, Resulting Numbers: [20] 20,21 unequal: No Solution Exploring Operation: 66+46=112, Resulting Numbers: [112] 112,21 unequal: No Solution Exploring Operation: 66*46=3036, Resulting Numbers: [3036] 3036,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 21:[76, 34, 2], Operations: ['66-64=2'] Exploring Operation: 76-2=74, Resulting Numbers: [34, 74] Generated Node #0,4,0: 21:[34, 74] Operation: 76-2=74 Exploring Operation: 76-34=42, Resulting Numbers: [2, 42] Generated Node #0,4,1: 21:[2, 42] Operation: 76-34=42 Exploring Operation: 34-2=32, Resulting Numbers: [76, 32] Generated Node #0,4,2: 21:[76, 32] Operation: 34-2=32 Exploring Operation: 76/2=38, Resulting Numbers: [34, 38] Generated Node #0,4,3: 21:[34, 38] Operation: 76/2=38 Exploring Operation: 34/2=17, Resulting Numbers: [76, 17] Generated Node #0,4,4: 21:[76, 17] Operation: 34/2=17 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 21:[2, 42], Operations: ['66-64=2', '76-34=42'] Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,21 unequal: No Solution Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,21 unequal: No Solution Exploring Operation: 2*42=84, Resulting Numbers: [84] 84,21 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[76, 34, 66, 64], Operations: [] Exploring Operation: 66-64=2, Resulting Numbers: [76, 34, 2] Generated Node #0,4: 21:[76, 34, 2] Operation: 66-64=2 Moving to Node #0,4 Current State: 21:[76, 34, 2], Operations: ['66-64=2'] Exploring Operation: 76-34=42, Resulting Numbers: [2, 42] Generated Node #0,4,1: 21:[2, 42] Operation: 76-34=42 Moving to Node #0,4,1 Current State: 21:[2, 42], Operations: ['66-64=2', '76-34=42'] Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.947917
hs_5
mult_heuristic
[ 75, 98, 73, 32 ]
68
[ "75+98=173", "73+32=105", "173-105=68" ]
Current State: 68:[75, 98, 73, 32], Operations: [] Exploring Operation: 75+98=173, Resulting Numbers: [73, 32, 173] Generated Node #2: [73, 32, 173] from Operation: 75+98=173 Current State: 68:[73, 32, 173], Operations: ['75+98=173'] Exploring Operation: 73+32=105, Resulting Numbers: [173, 105] Generated Node #3: [173, 105] from Operation: 73+32=105 Current State: 68:[173, 105], Operations: ['75+98=173', '73+32=105'] Exploring Operation: 173-105=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[75, 98, 73, 32], Operations: [] Exploring Operation: 98-75=23, Resulting Numbers: [73, 32, 23] Generated Node #0,0: 68:[73, 32, 23] Operation: 98-75=23 Exploring Operation: 98-73=25, Resulting Numbers: [75, 32, 25] Generated Node #0,1: 68:[75, 32, 25] Operation: 98-73=25 Exploring Operation: 75-73=2, Resulting Numbers: [98, 32, 2] Generated Node #0,2: 68:[98, 32, 2] Operation: 75-73=2 Exploring Operation: 98-32=66, Resulting Numbers: [75, 73, 66] Generated Node #0,3: 68:[75, 73, 66] Operation: 98-32=66 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[73, 32, 23], Operations: ['98-75=23'] Exploring Operation: 73-32=41, Resulting Numbers: [23, 41] Generated Node #0,0,0: 68:[23, 41] Operation: 73-32=41 Exploring Operation: 32+23=55, Resulting Numbers: [73, 55] Generated Node #0,0,1: 68:[73, 55] Operation: 32+23=55 Exploring Operation: 73-23=50, Resulting Numbers: [32, 50] Generated Node #0,0,2: 68:[32, 50] Operation: 73-23=50 Exploring Operation: 32-23=9, Resulting Numbers: [73, 9] Generated Node #0,0,3: 68:[73, 9] Operation: 32-23=9 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 68:[73, 9], Operations: ['98-75=23', '32-23=9'] Exploring Operation: 73*9=657, Resulting Numbers: [657] 657,68 unequal: No Solution Exploring Operation: 73-9=64, Resulting Numbers: [64] 64,68 unequal: No Solution Exploring Operation: 73+9=82, Resulting Numbers: [82] 82,68 unequal: No Solution No 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: 68:[23, 41], Operations: ['98-75=23', '73-32=41'] Exploring Operation: 41-23=18, Resulting Numbers: [18] 18,68 unequal: No Solution Exploring Operation: 23*41=943, Resulting Numbers: [943] 943,68 unequal: No Solution Exploring Operation: 23+41=64, Resulting Numbers: [64] 64,68 unequal: No Solution No 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: 68:[73, 55], Operations: ['98-75=23', '32+23=55'] Exploring Operation: 73*55=4015, Resulting Numbers: [4015] 4015,68 unequal: No Solution Exploring Operation: 73+55=128, Resulting Numbers: [128] 128,68 unequal: No Solution Exploring Operation: 73-55=18, Resulting Numbers: [18] 18,68 unequal: No Solution No 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: 68:[32, 50], Operations: ['98-75=23', '73-23=50'] Exploring Operation: 50-32=18, Resulting Numbers: [18] 18,68 unequal: No Solution Exploring Operation: 32+50=82, Resulting Numbers: [82] 82,68 unequal: No Solution Exploring Operation: 32*50=1600, Resulting Numbers: [1600] 1600,68 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: 68:[75, 73, 66], Operations: ['98-32=66'] Exploring Operation: 75-73=2, Resulting Numbers: [66, 2] Generated Node #0,3,0: 68:[66, 2] Operation: 75-73=2 Exploring Operation: 75-66=9, Resulting Numbers: [73, 9] Generated Node #0,3,1: 68:[73, 9] Operation: 75-66=9 Exploring Operation: 75+66=141, Resulting Numbers: [73, 141] Generated Node #0,3,2: 68:[73, 141] Operation: 75+66=141 Exploring Operation: 73-66=7, Resulting Numbers: [75, 7] Generated Node #0,3,3: 68:[75, 7] Operation: 73-66=7 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 68:[66, 2], Operations: ['98-32=66', '75-73=2'] Exploring Operation: 66*2=132, Resulting Numbers: [132] 132,68 unequal: No Solution Exploring Operation: 66-2=64, Resulting Numbers: [64] 64,68 unequal: No Solution Exploring Operation: 66+2=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[75, 98, 73, 32], Operations: [] Exploring Operation: 98-32=66, Resulting Numbers: [75, 73, 66] Generated Node #0,3: 68:[75, 73, 66] Operation: 98-32=66 Moving to Node #0,3 Current State: 68:[75, 73, 66], Operations: ['98-32=66'] Exploring Operation: 75-73=2, Resulting Numbers: [66, 2] Generated Node #0,3,0: 68:[66, 2] Operation: 75-73=2 Moving to Node #0,3,0 Current State: 68:[66, 2], Operations: ['98-32=66', '75-73=2'] Exploring Operation: 66+2=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.97309
hs_4
mult_heuristic
[ 15, 50, 20, 3 ]
30
[ "20-15=5", "50*3=150", "150/5=30" ]
Current State: 30:[15, 50, 20, 3], Operations: [] Exploring Operation: 20-15=5, Resulting Numbers: [50, 3, 5] Generated Node #2: [50, 3, 5] from Operation: 20-15=5 Current State: 30:[50, 3, 5], Operations: ['20-15=5'] Exploring Operation: 50*3=150, Resulting Numbers: [5, 150] Generated Node #3: [5, 150] from Operation: 50*3=150 Current State: 30:[5, 150], Operations: ['20-15=5', '50*3=150'] Exploring Operation: 150/5=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[15, 50, 20, 3], Operations: [] Exploring Operation: 50-20=30, Resulting Numbers: [15, 3, 30] Generated Node #0,0: 30:[15, 3, 30] Operation: 50-20=30 Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[15, 3, 30], Operations: ['50-20=30'] Exploring Operation: 15/3=5, Resulting Numbers: [30, 5] Generated Node #0,0,0: 30:[30, 5] Operation: 15/3=5 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 30:[30, 5], Operations: ['50-20=30', '15/3=5'] Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 65, 91, 61, 26 ]
61
[ "91-65=26", "61+26=87", "87-26=61" ]
Current State: 61:[65, 91, 61, 26], Operations: [] Exploring Operation: 91-65=26, Resulting Numbers: [61, 26, 26] Generated Node #2: [61, 26, 26] from Operation: 91-65=26 Current State: 61:[61, 26, 26], Operations: ['91-65=26'] Exploring Operation: 61+26=87, Resulting Numbers: [87] 87,61 equal: Goal Reached Exploring Operation: 87-26=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[65, 91, 61, 26], Operations: [] Exploring Operation: 65-26=39, Resulting Numbers: [91, 61, 39] Generated Node #0,0: 61:[91, 61, 39] Operation: 65-26=39 Exploring Operation: 91-26=65, Resulting Numbers: [65, 61, 65] Generated Node #0,1: 61:[65, 61, 65] Operation: 91-26=65 Exploring Operation: 65+26=91, Resulting Numbers: [91, 61, 91] Generated Node #0,2: 61:[91, 61, 91] Operation: 65+26=91 Exploring Operation: 91+26=117, Resulting Numbers: [65, 61, 117] Generated Node #0,3: 61:[65, 61, 117] Operation: 91+26=117 Moving to Node #0,1 Current State: 61:[65, 61, 65], Operations: ['91-26=65'] Exploring Operation: 65/65=1, Resulting Numbers: [61, 1] Generated Node #0,1,0: 61:[61, 1] Operation: 65/65=1 Exploring Operation: 65-61=4, Resulting Numbers: [65, 4] Generated Node #0,1,1: 61:[65, 4] Operation: 65-61=4 Exploring Operation: 65-61=4, Resulting Numbers: [65, 4] Generated Node #0,1,2: 61:[65, 4] Operation: 65-61=4 Exploring Operation: 65-65=0, Resulting Numbers: [61, 0] Generated Node #0,1,3: 61:[61, 0] Operation: 65-65=0 Moving to Node #0,0 Current State: 61:[91, 61, 39], Operations: ['65-26=39'] Exploring Operation: 91-39=52, Resulting Numbers: [61, 52] Generated Node #0,0,0: 61:[61, 52] Operation: 91-39=52 Exploring Operation: 61+39=100, Resulting Numbers: [91, 100] Generated Node #0,0,1: 61:[91, 100] Operation: 61+39=100 Exploring Operation: 91+39=130, Resulting Numbers: [61, 130] Generated Node #0,0,2: 61:[61, 130] Operation: 91+39=130 Exploring Operation: 91-61=30, Resulting Numbers: [39, 30] Generated Node #0,0,3: 61:[39, 30] Operation: 91-61=30 Moving to Node #0,3 Current State: 61:[65, 61, 117], Operations: ['91+26=117'] Exploring Operation: 117-65=52, Resulting Numbers: [61, 52] Generated Node #0,3,0: 61:[61, 52] Operation: 117-65=52 Exploring Operation: 65+61=126, Resulting Numbers: [117, 126] Generated Node #0,3,1: 61:[117, 126] Operation: 65+61=126 Exploring Operation: 117-61=56, Resulting Numbers: [65, 56] Generated Node #0,3,2: 61:[65, 56] Operation: 117-61=56 Exploring Operation: 65-61=4, Resulting Numbers: [117, 4] Generated Node #0,3,3: 61:[117, 4] Operation: 65-61=4 Moving to Node #0,2 Current State: 61:[91, 61, 91], Operations: ['65+26=91'] Exploring Operation: 91/91=1, Resulting Numbers: [61, 1] Generated Node #0,2,0: 61:[61, 1] Operation: 91/91=1 Exploring Operation: 91-61=30, Resulting Numbers: [91, 30] Generated Node #0,2,1: 61:[91, 30] Operation: 91-61=30 Exploring Operation: 91-61=30, Resulting Numbers: [91, 30] Generated Node #0,2,2: 61:[91, 30] Operation: 91-61=30 Exploring Operation: 91-91=0, Resulting Numbers: [61, 0] Generated Node #0,2,3: 61:[61, 0] Operation: 91-91=0 Moving to Node #0,0,0 Current State: 61:[61, 52], Operations: ['65-26=39', '91-39=52'] Exploring Operation: 61+52=113, Resulting Numbers: [113] 113,61 unequal: No Solution Exploring Operation: 61*52=3172, Resulting Numbers: [3172] 3172,61 unequal: No Solution Exploring Operation: 61-52=9, Resulting Numbers: [9] 9,61 unequal: No Solution Moving to Node #0,3,0 Current State: 61:[61, 52], Operations: ['91+26=117', '117-65=52'] Exploring Operation: 61+52=113, Resulting Numbers: [113] 113,61 unequal: No Solution Exploring Operation: 61-52=9, Resulting Numbers: [9] 9,61 unequal: No Solution Exploring Operation: 61*52=3172, Resulting Numbers: [3172] 3172,61 unequal: No Solution Moving to Node #0,3,2 Current State: 61:[65, 56], Operations: ['91+26=117', '117-61=56'] Exploring Operation: 65+56=121, Resulting Numbers: [121] 121,61 unequal: No Solution Exploring Operation: 65*56=3640, Resulting Numbers: [3640] 3640,61 unequal: No Solution Exploring Operation: 65-56=9, Resulting Numbers: [9] 9,61 unequal: No Solution Moving to Node #0,0,3 Current State: 61:[39, 30], Operations: ['65-26=39', '91-61=30'] Exploring Operation: 39*30=1170, Resulting Numbers: [1170] 1170,61 unequal: No Solution Exploring Operation: 39-30=9, Resulting Numbers: [9] 9,61 unequal: No Solution Exploring Operation: 39+30=69, Resulting Numbers: [69] 69,61 unequal: No Solution Moving to Node #0,2,0 Current State: 61:[61, 1], Operations: ['65+26=91', '91/91=1'] Exploring Operation: 61+1=62, Resulting Numbers: [62] 62,61 unequal: No Solution Exploring Operation: 61-1=60, Resulting Numbers: [60] 60,61 unequal: No Solution Exploring Operation: 61/1=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[65, 91, 61, 26], Operations: [] Exploring Operation: 65+26=91, Resulting Numbers: [91, 61, 91] Generated Node #0,2: 61:[91, 61, 91] Operation: 65+26=91 Moving to Node #0,2 Current State: 61:[91, 61, 91], Operations: ['65+26=91'] Exploring Operation: 91/91=1, Resulting Numbers: [61, 1] Generated Node #0,2,0: 61:[61, 1] Operation: 91/91=1 Moving to Node #0,2,0 Current State: 61:[61, 1], Operations: ['65+26=91', '91/91=1'] Exploring Operation: 61/1=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
0.966146
hs_4
sum_heuristic
[ 21, 36, 65, 18 ]
10
[ "21+36=57", "65-18=47", "57-47=10" ]
Current State: 10:[21, 36, 65, 18], Operations: [] Exploring Operation: 21+36=57, Resulting Numbers: [65, 18, 57] Generated Node #2: [65, 18, 57] from Operation: 21+36=57 Current State: 10:[65, 18, 57], Operations: ['21+36=57'] Exploring Operation: 65-18=47, Resulting Numbers: [57, 47] Generated Node #3: [57, 47] from Operation: 65-18=47 Current State: 10:[57, 47], Operations: ['21+36=57', '65-18=47'] Exploring Operation: 57-47=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[21, 36, 65, 18], Operations: [] Exploring Operation: 65-36=29, Resulting Numbers: [21, 18, 29] Generated Node #0,0: 10:[21, 18, 29] Operation: 65-36=29 Exploring Operation: 36-21=15, Resulting Numbers: [65, 18, 15] Generated Node #0,1: 10:[65, 18, 15] Operation: 36-21=15 Exploring Operation: 36/18=2, Resulting Numbers: [21, 65, 2] Generated Node #0,2: 10:[21, 65, 2] Operation: 36/18=2 Moving to Node #0,0 Current State: 10:[21, 18, 29], Operations: ['65-36=29'] Exploring Operation: 29-21=8, Resulting Numbers: [18, 8] Generated Node #0,0,0: 10:[18, 8] Operation: 29-21=8 Exploring Operation: 29-18=11, Resulting Numbers: [21, 11] Generated Node #0,0,1: 10:[21, 11] Operation: 29-18=11 Exploring Operation: 21-18=3, Resulting Numbers: [29, 3] Generated Node #0,0,2: 10:[29, 3] Operation: 21-18=3 Moving to Node #0,2 Current State: 10:[21, 65, 2], Operations: ['36/18=2'] Exploring Operation: 65-2=63, Resulting Numbers: [21, 63] Generated Node #0,2,0: 10:[21, 63] Operation: 65-2=63 Exploring Operation: 65-21=44, Resulting Numbers: [2, 44] Generated Node #0,2,1: 10:[2, 44] Operation: 65-21=44 Exploring Operation: 21-2=19, Resulting Numbers: [65, 19] Generated Node #0,2,2: 10:[65, 19] Operation: 21-2=19 Moving to Node #0,1 Current State: 10:[65, 18, 15], Operations: ['36-21=15'] Exploring Operation: 18-15=3, Resulting Numbers: [65, 3] Generated Node #0,1,0: 10:[65, 3] Operation: 18-15=3 Exploring Operation: 65-18=47, Resulting Numbers: [15, 47] Generated Node #0,1,1: 10:[15, 47] Operation: 65-18=47 Exploring Operation: 65-15=50, Resulting Numbers: [18, 50] Generated Node #0,1,2: 10:[18, 50] Operation: 65-15=50 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 10:[15, 47], Operations: ['36-21=15', '65-18=47'] Exploring Operation: 15*47=705, Resulting Numbers: [705] 705,10 unequal: No Solution Exploring Operation: 15+47=62, Resulting Numbers: [62] 62,10 unequal: No Solution Exploring Operation: 47-15=32, Resulting Numbers: [32] 32,10 unequal: No Solution No 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: 10:[18, 50], Operations: ['36-21=15', '65-15=50'] Exploring Operation: 18*50=900, Resulting Numbers: [900] 900,10 unequal: No Solution Exploring Operation: 50-18=32, Resulting Numbers: [32] 32,10 unequal: No Solution Exploring Operation: 18+50=68, Resulting Numbers: [68] 68,10 unequal: No Solution No 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: 10:[65, 3], Operations: ['36-21=15', '18-15=3'] Exploring Operation: 65+3=68, Resulting Numbers: [68] 68,10 unequal: No Solution Exploring Operation: 65-3=62, Resulting Numbers: [62] 62,10 unequal: No Solution Exploring Operation: 65*3=195, Resulting Numbers: [195] 195,10 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: 10:[18, 8], Operations: ['65-36=29', '29-21=8'] Exploring Operation: 18*8=144, Resulting Numbers: [144] 144,10 unequal: No Solution Exploring Operation: 18+8=26, Resulting Numbers: [26] 26,10 unequal: No Solution Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[21, 36, 65, 18], Operations: [] Exploring Operation: 65-36=29, Resulting Numbers: [21, 18, 29] Generated Node #0,0: 10:[21, 18, 29] Operation: 65-36=29 Moving to Node #0,0 Current State: 10:[21, 18, 29], Operations: ['65-36=29'] Exploring Operation: 29-21=8, Resulting Numbers: [18, 8] Generated Node #0,0,0: 10:[18, 8] Operation: 29-21=8 Moving to Node #0,0,0 Current State: 10:[18, 8], Operations: ['65-36=29', '29-21=8'] Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
0.975694
hs_3
mult_heuristic
[ 27, 74, 69, 61 ]
55
[ "74-27=47", "69-61=8", "47+8=55" ]
Current State: 55:[27, 74, 69, 61], Operations: [] Exploring Operation: 74-27=47, Resulting Numbers: [69, 61, 47] Generated Node #2: [69, 61, 47] from Operation: 74-27=47 Current State: 55:[69, 61, 47], Operations: ['74-27=47'] Exploring Operation: 69-61=8, Resulting Numbers: [47, 8] Generated Node #3: [47, 8] from Operation: 69-61=8 Current State: 55:[47, 8], Operations: ['74-27=47', '69-61=8'] Exploring Operation: 47+8=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[27, 74, 69, 61], Operations: [] Exploring Operation: 74-27=47, Resulting Numbers: [69, 61, 47] Generated Node #0,0: 55:[69, 61, 47] Operation: 74-27=47 Exploring Operation: 74-69=5, Resulting Numbers: [27, 61, 5] Generated Node #0,1: 55:[27, 61, 5] Operation: 74-69=5 Start Sub Search at level 1: Moving to Node #0,1 Current State: 55:[27, 61, 5], Operations: ['74-69=5'] Exploring Operation: 27-5=22, Resulting Numbers: [61, 22] Generated Node #0,1,0: 55:[61, 22] Operation: 27-5=22 Exploring Operation: 61-5=56, Resulting Numbers: [27, 56] Generated Node #0,1,1: 55:[27, 56] Operation: 61-5=56 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 55:[61, 22], Operations: ['74-69=5', '27-5=22'] Exploring Operation: 61-22=39, Resulting Numbers: [39] 39,55 unequal: No Solution Exploring Operation: 61+22=83, Resulting Numbers: [83] 83,55 unequal: No Solution No 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: 55:[27, 56], Operations: ['74-69=5', '61-5=56'] Exploring Operation: 56-27=29, Resulting Numbers: [29] 29,55 unequal: No Solution Exploring Operation: 27+56=83, Resulting Numbers: [83] 83,55 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: 55:[69, 61, 47], Operations: ['74-27=47'] Exploring Operation: 69-47=22, Resulting Numbers: [61, 22] Generated Node #0,0,0: 55:[61, 22] Operation: 69-47=22 Exploring Operation: 69-61=8, Resulting Numbers: [47, 8] Generated Node #0,0,1: 55:[47, 8] Operation: 69-61=8 Moving to Node #0,0,1 Current State: 55:[47, 8], Operations: ['74-27=47', '69-61=8'] Exploring Operation: 47+8=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[27, 74, 69, 61], Operations: [] Exploring Operation: 74-27=47, Resulting Numbers: [69, 61, 47] Generated Node #0,0: 55:[69, 61, 47] Operation: 74-27=47 Moving to Node #0,0 Current State: 55:[69, 61, 47], Operations: ['74-27=47'] Exploring Operation: 69-61=8, Resulting Numbers: [47, 8] Generated Node #0,0,1: 55:[47, 8] Operation: 69-61=8 Moving to Node #0,0,1 Current State: 55:[47, 8], Operations: ['74-27=47', '69-61=8'] Exploring Operation: 47+8=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 5, 70, 1, 86 ]
26
[ "5+1=6", "70+86=156", "156/6=26" ]
Current State: 26:[5, 70, 1, 86], Operations: [] Exploring Operation: 5+1=6, Resulting Numbers: [70, 86, 6] Generated Node #2: [70, 86, 6] from Operation: 5+1=6 Current State: 26:[70, 86, 6], Operations: ['5+1=6'] Exploring Operation: 70+86=156, Resulting Numbers: [6, 156] Generated Node #3: [6, 156] from Operation: 70+86=156 Current State: 26:[6, 156], Operations: ['5+1=6', '70+86=156'] Exploring Operation: 156/6=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[5, 70, 1, 86], Operations: [] Exploring Operation: 86-70=16, Resulting Numbers: [5, 1, 16] Generated Node #0,0: 26:[5, 1, 16] Operation: 86-70=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[5, 1, 16], Operations: ['86-70=16'] Exploring Operation: 16-5=11, Resulting Numbers: [1, 11] Generated Node #0,0,0: 26:[1, 11] Operation: 16-5=11 Moving to Node #0,0,0 Current State: 26:[1, 11], Operations: ['86-70=16', '16-5=11'] Exploring Operation: 1+11=12, Resulting Numbers: [12] 12,26 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
[ 87, 10, 59, 37 ]
54
[ "87-37=50", "50/10=5", "59-5=54" ]
Current State: 54:[87, 10, 59, 37], Operations: [] Exploring Operation: 87-37=50, Resulting Numbers: [10, 59, 50] Generated Node #2: [10, 59, 50] from Operation: 87-37=50 Current State: 54:[10, 59, 50], Operations: ['87-37=50'] Exploring Operation: 50/10=5, Resulting Numbers: [59, 5] Generated Node #3: [59, 5] from Operation: 50/10=5 Current State: 54:[59, 5], Operations: ['87-37=50', '50/10=5'] Exploring Operation: 59-5=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[87, 10, 59, 37], Operations: [] Exploring Operation: 87-37=50, Resulting Numbers: [10, 59, 50] Generated Node #0,0: 54:[10, 59, 50] Operation: 87-37=50 Exploring Operation: 87-10=77, Resulting Numbers: [59, 37, 77] Generated Node #0,1: 54:[59, 37, 77] Operation: 87-10=77 Exploring Operation: 37-10=27, Resulting Numbers: [87, 59, 27] Generated Node #0,2: 54:[87, 59, 27] Operation: 37-10=27 Exploring Operation: 87-59=28, Resulting Numbers: [10, 37, 28] Generated Node #0,3: 54:[10, 37, 28] Operation: 87-59=28 Exploring Operation: 59-37=22, Resulting Numbers: [87, 10, 22] Generated Node #0,4: 54:[87, 10, 22] Operation: 59-37=22 Moving to Node #0,0 Current State: 54:[10, 59, 50], Operations: ['87-37=50'] Exploring Operation: 59-50=9, Resulting Numbers: [10, 9] Generated Node #0,0,0: 54:[10, 9] Operation: 59-50=9 Exploring Operation: 50-10=40, Resulting Numbers: [59, 40] Generated Node #0,0,1: 54:[59, 40] Operation: 50-10=40 Exploring Operation: 10+50=60, Resulting Numbers: [59, 60] Generated Node #0,0,2: 54:[59, 60] Operation: 10+50=60 Exploring Operation: 59-10=49, Resulting Numbers: [50, 49] Generated Node #0,0,3: 54:[50, 49] Operation: 59-10=49 Exploring Operation: 50/10=5, Resulting Numbers: [59, 5] Generated Node #0,0,4: 54:[59, 5] Operation: 50/10=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 54:[10, 9], Operations: ['87-37=50', '59-50=9'] Exploring Operation: 10*9=90, Resulting Numbers: [90] 90,54 unequal: No Solution Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,54 unequal: No Solution Exploring Operation: 10+9=19, Resulting Numbers: [19] 19,54 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 #0,0,4 Current State: 54:[59, 5], Operations: ['87-37=50', '50/10=5'] Exploring Operation: 59-5=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[87, 10, 59, 37], Operations: [] Exploring Operation: 87-37=50, Resulting Numbers: [10, 59, 50] Generated Node #0,0: 54:[10, 59, 50] Operation: 87-37=50 Moving to Node #0,0 Current State: 54:[10, 59, 50], Operations: ['87-37=50'] Exploring Operation: 50/10=5, Resulting Numbers: [59, 5] Generated Node #0,0,4: 54:[59, 5] Operation: 50/10=5 Moving to Node #0,0,4 Current State: 54:[59, 5], Operations: ['87-37=50', '50/10=5'] Exploring Operation: 59-5=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 61, 16, 20, 15 ]
17
[ "61-16=45", "45/15=3", "20-3=17" ]
Current State: 17:[61, 16, 20, 15], Operations: [] Exploring Operation: 61-16=45, Resulting Numbers: [20, 15, 45] Generated Node #2: [20, 15, 45] from Operation: 61-16=45 Current State: 17:[20, 15, 45], Operations: ['61-16=45'] Exploring Operation: 45/15=3, Resulting Numbers: [20, 3] Generated Node #3: [20, 3] from Operation: 45/15=3 Current State: 17:[20, 3], Operations: ['61-16=45', '45/15=3'] Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[61, 16, 20, 15], Operations: [] Exploring Operation: 61-16=45, Resulting Numbers: [20, 15, 45] Generated Node #0,0: 17:[20, 15, 45] Operation: 61-16=45 Exploring Operation: 61-20=41, Resulting Numbers: [16, 15, 41] Generated Node #0,1: 17:[16, 15, 41] Operation: 61-20=41 Moving to Node #0,1 Current State: 17:[16, 15, 41], Operations: ['61-20=41'] Exploring Operation: 41-15=26, Resulting Numbers: [16, 26] Generated Node #0,1,0: 17:[16, 26] Operation: 41-15=26 Exploring Operation: 41-16=25, Resulting Numbers: [15, 25] Generated Node #0,1,1: 17:[15, 25] Operation: 41-16=25 Moving to Node #0,0 Current State: 17:[20, 15, 45], Operations: ['61-16=45'] Exploring Operation: 45-20=25, Resulting Numbers: [15, 25] Generated Node #0,0,0: 17:[15, 25] Operation: 45-20=25 Exploring Operation: 45-15=30, Resulting Numbers: [20, 30] Generated Node #0,0,1: 17:[20, 30] Operation: 45-15=30 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 17:[15, 25], Operations: ['61-16=45', '45-20=25'] Exploring Operation: 15+25=40, Resulting Numbers: [40] 40,17 unequal: No Solution Exploring Operation: 25-15=10, Resulting Numbers: [10] 10,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 17:[20, 30], Operations: ['61-16=45', '45-15=30'] Exploring Operation: 30-20=10, Resulting Numbers: [10] 10,17 unequal: No Solution Exploring Operation: 20+30=50, Resulting Numbers: [50] 50,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 17:[16, 26], Operations: ['61-20=41', '41-15=26'] Exploring Operation: 16+26=42, Resulting Numbers: [42] 42,17 unequal: No Solution Exploring Operation: 26-16=10, Resulting Numbers: [10] 10,17 unequal: No Solution Moving to Node #0,1,1 Current State: 17:[15, 25], Operations: ['61-20=41', '41-16=25'] Exploring Operation: 25-15=10, Resulting Numbers: [10] 10,17 unequal: No Solution Exploring Operation: 15+25=40, Resulting Numbers: [40] 40,17 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 28, 99, 64, 18 ]
25
[ "99-28=71", "64-18=46", "71-46=25" ]
Current State: 25:[28, 99, 64, 18], Operations: [] Exploring Operation: 99-28=71, Resulting Numbers: [64, 18, 71] Generated Node #2: [64, 18, 71] from Operation: 99-28=71 Current State: 25:[64, 18, 71], Operations: ['99-28=71'] Exploring Operation: 64-18=46, Resulting Numbers: [71, 46] Generated Node #3: [71, 46] from Operation: 64-18=46 Current State: 25:[71, 46], Operations: ['99-28=71', '64-18=46'] Exploring Operation: 71-46=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[28, 99, 64, 18], Operations: [] Exploring Operation: 99-28=71, Resulting Numbers: [64, 18, 71] Generated Node #0,0: 25:[64, 18, 71] Operation: 99-28=71 Exploring Operation: 64-28=36, Resulting Numbers: [99, 18, 36] Generated Node #0,1: 25:[99, 18, 36] Operation: 64-28=36 Exploring Operation: 64-18=46, Resulting Numbers: [28, 99, 46] Generated Node #0,2: 25:[28, 99, 46] Operation: 64-18=46 Exploring Operation: 99-18=81, Resulting Numbers: [28, 64, 81] Generated Node #0,3: 25:[28, 64, 81] Operation: 99-18=81 Exploring Operation: 99-64=35, Resulting Numbers: [28, 18, 35] Generated Node #0,4: 25:[28, 18, 35] Operation: 99-64=35 Start Sub Search at level 1: Moving to Node #0,4 Current State: 25:[28, 18, 35], Operations: ['99-64=35'] Exploring Operation: 28+18=46, Resulting Numbers: [35, 46] Generated Node #0,4,0: 25:[35, 46] Operation: 28+18=46 Exploring Operation: 18+35=53, Resulting Numbers: [28, 53] Generated Node #0,4,1: 25:[28, 53] Operation: 18+35=53 Exploring Operation: 35-18=17, Resulting Numbers: [28, 17] Generated Node #0,4,2: 25:[28, 17] Operation: 35-18=17 Exploring Operation: 28-18=10, Resulting Numbers: [35, 10] Generated Node #0,4,3: 25:[35, 10] Operation: 28-18=10 Exploring Operation: 35-28=7, Resulting Numbers: [18, 7] Generated Node #0,4,4: 25:[18, 7] Operation: 35-28=7 Moving to Node #0,4,4 Current State: 25:[18, 7], Operations: ['99-64=35', '35-28=7'] Exploring Operation: 18+7=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[28, 99, 64, 18], Operations: [] Exploring Operation: 99-64=35, Resulting Numbers: [28, 18, 35] Generated Node #0,4: 25:[28, 18, 35] Operation: 99-64=35 Moving to Node #0,4 Current State: 25:[28, 18, 35], Operations: ['99-64=35'] Exploring Operation: 35-28=7, Resulting Numbers: [18, 7] Generated Node #0,4,4: 25:[18, 7] Operation: 35-28=7 Moving to Node #0,4,4 Current State: 25:[18, 7], Operations: ['99-64=35', '35-28=7'] Exploring Operation: 18+7=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 37, 24, 54, 4 ]
46
[ "24/4=6", "54/6=9", "37+9=46" ]
Current State: 46:[37, 24, 54, 4], Operations: [] Exploring Operation: 24/4=6, Resulting Numbers: [37, 54, 6] Generated Node #2: [37, 54, 6] from Operation: 24/4=6 Current State: 46:[37, 54, 6], Operations: ['24/4=6'] Exploring Operation: 54/6=9, Resulting Numbers: [37, 9] Generated Node #3: [37, 9] from Operation: 54/6=9 Current State: 46:[37, 9], Operations: ['24/4=6', '54/6=9'] Exploring Operation: 37+9=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[37, 24, 54, 4], Operations: [] Exploring Operation: 54-37=17, Resulting Numbers: [24, 4, 17] Generated Node #0,0: 46:[24, 4, 17] Operation: 54-37=17 Exploring Operation: 54-24=30, Resulting Numbers: [37, 4, 30] Generated Node #0,1: 46:[37, 4, 30] Operation: 54-24=30 Exploring Operation: 54-4=50, Resulting Numbers: [37, 24, 50] Generated Node #0,2: 46:[37, 24, 50] Operation: 54-4=50 Exploring Operation: 37+4=41, Resulting Numbers: [24, 54, 41] Generated Node #0,3: 46:[24, 54, 41] Operation: 37+4=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[24, 4, 17], Operations: ['54-37=17'] Exploring Operation: 24-17=7, Resulting Numbers: [4, 7] Generated Node #0,0,0: 46:[4, 7] Operation: 24-17=7 Exploring Operation: 24-4=20, Resulting Numbers: [17, 20] Generated Node #0,0,1: 46:[17, 20] Operation: 24-4=20 Exploring Operation: 4+17=21, Resulting Numbers: [24, 21] Generated Node #0,0,2: 46:[24, 21] Operation: 4+17=21 Exploring Operation: 24+17=41, Resulting Numbers: [4, 41] Generated Node #0,0,3: 46:[4, 41] Operation: 24+17=41 Moving to Node #0,0,2 Current State: 46:[24, 21], Operations: ['54-37=17', '4+17=21'] Exploring Operation: 24-21=3, Resulting Numbers: [3] 3,46 unequal: No Solution Exploring Operation: 24+21=45, Resulting Numbers: [45] 45,46 unequal: No Solution Exploring Operation: 24*21=504, Resulting Numbers: [504] 504,46 unequal: No Solution Moving to Node #0,0,3 Current State: 46:[4, 41], Operations: ['54-37=17', '24+17=41'] Exploring Operation: 41-4=37, Resulting Numbers: [37] 37,46 unequal: No Solution Exploring Operation: 4*41=164, Resulting Numbers: [164] 164,46 unequal: No Solution Exploring Operation: 4+41=45, Resulting Numbers: [45] 45,46 unequal: No Solution Moving to Node #0,0,0 Current State: 46:[4, 7], Operations: ['54-37=17', '24-17=7'] Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,46 unequal: No Solution Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,46 unequal: No Solution Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,46 unequal: No Solution Moving to Node #0,0,1 Current State: 46:[17, 20], Operations: ['54-37=17', '24-4=20'] Exploring Operation: 17+20=37, Resulting Numbers: [37] 37,46 unequal: No Solution Exploring Operation: 20-17=3, Resulting Numbers: [3] 3,46 unequal: No Solution Exploring Operation: 17*20=340, Resulting Numbers: [340] 340,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 46:[37, 24, 50], Operations: ['54-4=50'] Exploring Operation: 37+24=61, Resulting Numbers: [50, 61] Generated Node #0,2,0: 46:[50, 61] Operation: 37+24=61 Exploring Operation: 37-24=13, Resulting Numbers: [50, 13] Generated Node #0,2,1: 46:[50, 13] Operation: 37-24=13 Exploring Operation: 50-24=26, Resulting Numbers: [37, 26] Generated Node #0,2,2: 46:[37, 26] Operation: 50-24=26 Exploring Operation: 50-37=13, Resulting Numbers: [24, 13] Generated Node #0,2,3: 46:[24, 13] Operation: 50-37=13 Moving to Node #0,2,3 Current State: 46:[24, 13], Operations: ['54-4=50', '50-37=13'] Exploring Operation: 24*13=312, Resulting Numbers: [312] 312,46 unequal: No Solution Exploring Operation: 24-13=11, Resulting Numbers: [11] 11,46 unequal: No Solution Exploring Operation: 24+13=37, Resulting Numbers: [37] 37,46 unequal: No Solution Moving to Node #0,2,2 Current State: 46:[37, 26], Operations: ['54-4=50', '50-24=26'] Exploring Operation: 37-26=11, Resulting Numbers: [11] 11,46 unequal: No Solution Exploring Operation: 37+26=63, Resulting Numbers: [63] 63,46 unequal: No Solution Exploring Operation: 37*26=962, Resulting Numbers: [962] 962,46 unequal: No Solution Moving to Node #0,2,1 Current State: 46:[50, 13], Operations: ['54-4=50', '37-24=13'] Exploring Operation: 50-13=37, Resulting Numbers: [37] 37,46 unequal: No Solution Exploring Operation: 50*13=650, Resulting Numbers: [650] 650,46 unequal: No Solution Exploring Operation: 50+13=63, Resulting Numbers: [63] 63,46 unequal: No Solution Moving to Node #0,2,0 Current State: 46:[50, 61], Operations: ['54-4=50', '37+24=61'] Exploring Operation: 50+61=111, Resulting Numbers: [111] 111,46 unequal: No Solution Exploring Operation: 50*61=3050, Resulting Numbers: [3050] 3050,46 unequal: No Solution Exploring Operation: 61-50=11, Resulting Numbers: [11] 11,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 46:[24, 54, 41], Operations: ['37+4=41'] Exploring Operation: 54-41=13, Resulting Numbers: [24, 13] Generated Node #0,3,0: 46:[24, 13] Operation: 54-41=13 Exploring Operation: 54-24=30, Resulting Numbers: [41, 30] Generated Node #0,3,1: 46:[41, 30] Operation: 54-24=30 Exploring Operation: 24+41=65, Resulting Numbers: [54, 65] Generated Node #0,3,2: 46:[54, 65] Operation: 24+41=65 Exploring Operation: 41-24=17, Resulting Numbers: [54, 17] Generated Node #0,3,3: 46:[54, 17] Operation: 41-24=17 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 46:[24, 13], Operations: ['37+4=41', '54-41=13'] Exploring Operation: 24-13=11, Resulting Numbers: [11] 11,46 unequal: No Solution Exploring Operation: 24+13=37, Resulting Numbers: [37] 37,46 unequal: No Solution Exploring Operation: 24*13=312, Resulting Numbers: [312] 312,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 46:[41, 30], Operations: ['37+4=41', '54-24=30'] Exploring Operation: 41-30=11, Resulting Numbers: [11] 11,46 unequal: No Solution Exploring Operation: 41*30=1230, Resulting Numbers: [1230] 1230,46 unequal: No Solution Exploring Operation: 41+30=71, Resulting Numbers: [71] 71,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 46:[54, 17], Operations: ['37+4=41', '41-24=17'] Exploring Operation: 54*17=918, Resulting Numbers: [918] 918,46 unequal: No Solution Exploring Operation: 54+17=71, Resulting Numbers: [71] 71,46 unequal: No Solution Exploring Operation: 54-17=37, Resulting Numbers: [37] 37,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 46:[54, 65], Operations: ['37+4=41', '24+41=65'] Exploring Operation: 54*65=3510, Resulting Numbers: [3510] 3510,46 unequal: No Solution Exploring Operation: 54+65=119, Resulting Numbers: [119] 119,46 unequal: No Solution Exploring Operation: 65-54=11, Resulting Numbers: [11] 11,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 46:[37, 4, 30], Operations: ['54-24=30'] Exploring Operation: 30-4=26, Resulting Numbers: [37, 26] Generated Node #0,1,0: 46:[37, 26] Operation: 30-4=26 Exploring Operation: 37-30=7, Resulting Numbers: [4, 7] Generated Node #0,1,1: 46:[4, 7] Operation: 37-30=7 Exploring Operation: 37-4=33, Resulting Numbers: [30, 33] Generated Node #0,1,2: 46:[30, 33] Operation: 37-4=33 Exploring Operation: 37+4=41, Resulting Numbers: [30, 41] Generated Node #0,1,3: 46:[30, 41] Operation: 37+4=41 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 46:[4, 7], Operations: ['54-24=30', '37-30=7'] Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,46 unequal: No Solution Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,46 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 46:[37, 26], Operations: ['54-24=30', '30-4=26'] Exploring Operation: 37*26=962, Resulting Numbers: [962] 962,46 unequal: No Solution Exploring Operation: 37-26=11, Resulting Numbers: [11] 11,46 unequal: No Solution Exploring Operation: 37+26=63, Resulting Numbers: [63] 63,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 46:[30, 41], Operations: ['54-24=30', '37+4=41'] Exploring Operation: 41-30=11, Resulting Numbers: [11] 11,46 unequal: No Solution Exploring Operation: 30+41=71, Resulting Numbers: [71] 71,46 unequal: No Solution Exploring Operation: 30*41=1230, Resulting Numbers: [1230] 1230,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 46:[30, 33], Operations: ['54-24=30', '37-4=33'] Exploring Operation: 30*33=990, Resulting Numbers: [990] 990,46 unequal: No Solution Exploring Operation: 30+33=63, Resulting Numbers: [63] 63,46 unequal: No Solution Exploring Operation: 33-30=3, Resulting Numbers: [3] 3,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 34, 23, 68, 48 ]
47
[ "68/34=2", "48/2=24", "23+24=47" ]
Current State: 47:[34, 23, 68, 48], Operations: [] Exploring Operation: 68/34=2, Resulting Numbers: [23, 48, 2] Generated Node #2: [23, 48, 2] from Operation: 68/34=2 Current State: 47:[23, 48, 2], Operations: ['68/34=2'] Exploring Operation: 48/2=24, Resulting Numbers: [23, 24] Generated Node #3: [23, 24] from Operation: 48/2=24 Current State: 47:[23, 24], Operations: ['68/34=2', '48/2=24'] Exploring Operation: 23+24=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[34, 23, 68, 48], Operations: [] Exploring Operation: 68-34=34, Resulting Numbers: [23, 48, 34] Generated Node #0,0: 47:[23, 48, 34] Operation: 68-34=34 Exploring Operation: 68-23=45, Resulting Numbers: [34, 48, 45] Generated Node #0,1: 47:[34, 48, 45] Operation: 68-23=45 Exploring Operation: 34+23=57, Resulting Numbers: [68, 48, 57] Generated Node #0,2: 47:[68, 48, 57] Operation: 34+23=57 Moving to Node #0,1 Current State: 47:[34, 48, 45], Operations: ['68-23=45'] Exploring Operation: 34+45=79, Resulting Numbers: [48, 79] Generated Node #0,1,0: 47:[48, 79] Operation: 34+45=79 Exploring Operation: 34+48=82, Resulting Numbers: [45, 82] Generated Node #0,1,1: 47:[45, 82] Operation: 34+48=82 Exploring Operation: 48-34=14, Resulting Numbers: [45, 14] Generated Node #0,1,2: 47:[45, 14] Operation: 48-34=14 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 47:[48, 79], Operations: ['68-23=45', '34+45=79'] Exploring Operation: 79-48=31, Resulting Numbers: [31] 31,47 unequal: No Solution Exploring Operation: 48+79=127, Resulting Numbers: [127] 127,47 unequal: No Solution Exploring Operation: 48*79=3792, Resulting Numbers: [3792] 3792,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 47:[45, 14], Operations: ['68-23=45', '48-34=14'] Exploring Operation: 45-14=31, Resulting Numbers: [31] 31,47 unequal: No Solution Exploring Operation: 45*14=630, Resulting Numbers: [630] 630,47 unequal: No Solution Exploring Operation: 45+14=59, Resulting Numbers: [59] 59,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 47:[45, 82], Operations: ['68-23=45', '34+48=82'] Exploring Operation: 45*82=3690, Resulting Numbers: [3690] 3690,47 unequal: No Solution Exploring Operation: 82-45=37, Resulting Numbers: [37] 37,47 unequal: No Solution Exploring Operation: 45+82=127, Resulting Numbers: [127] 127,47 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: 47:[68, 48, 57], Operations: ['34+23=57'] Exploring Operation: 68-48=20, Resulting Numbers: [57, 20] Generated Node #0,2,0: 47:[57, 20] Operation: 68-48=20 Exploring Operation: 68-57=11, Resulting Numbers: [48, 11] Generated Node #0,2,1: 47:[48, 11] Operation: 68-57=11 Exploring Operation: 57-48=9, Resulting Numbers: [68, 9] Generated Node #0,2,2: 47:[68, 9] Operation: 57-48=9 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 47:[57, 20], Operations: ['34+23=57', '68-48=20'] Exploring Operation: 57+20=77, Resulting Numbers: [77] 77,47 unequal: No Solution Exploring Operation: 57*20=1140, Resulting Numbers: [1140] 1140,47 unequal: No Solution Exploring Operation: 57-20=37, Resulting Numbers: [37] 37,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 47:[48, 11], Operations: ['34+23=57', '68-57=11'] Exploring Operation: 48*11=528, Resulting Numbers: [528] 528,47 unequal: No Solution Exploring Operation: 48+11=59, Resulting Numbers: [59] 59,47 unequal: No Solution Exploring Operation: 48-11=37, Resulting Numbers: [37] 37,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 47:[68, 9], Operations: ['34+23=57', '57-48=9'] Exploring Operation: 68+9=77, Resulting Numbers: [77] 77,47 unequal: No Solution Exploring Operation: 68-9=59, Resulting Numbers: [59] 59,47 unequal: No Solution Exploring Operation: 68*9=612, Resulting Numbers: [612] 612,47 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: 47:[23, 48, 34], Operations: ['68-34=34'] Exploring Operation: 48-23=25, Resulting Numbers: [34, 25] Generated Node #0,0,0: 47:[34, 25] Operation: 48-23=25 Exploring Operation: 23+34=57, Resulting Numbers: [48, 57] Generated Node #0,0,1: 47:[48, 57] Operation: 23+34=57 Exploring Operation: 23+48=71, Resulting Numbers: [34, 71] Generated Node #0,0,2: 47:[34, 71] Operation: 23+48=71 Moving to Node #0,0,1 Current State: 47:[48, 57], Operations: ['68-34=34', '23+34=57'] Exploring Operation: 48*57=2736, Resulting Numbers: [2736] 2736,47 unequal: No Solution Exploring Operation: 48+57=105, Resulting Numbers: [105] 105,47 unequal: No Solution Exploring Operation: 57-48=9, Resulting Numbers: [9] 9,47 unequal: No Solution Moving to Node #0,0,0 Current State: 47:[34, 25], Operations: ['68-34=34', '48-23=25'] Exploring Operation: 34-25=9, Resulting Numbers: [9] 9,47 unequal: No Solution Exploring Operation: 34+25=59, Resulting Numbers: [59] 59,47 unequal: No Solution Exploring Operation: 34*25=850, Resulting Numbers: [850] 850,47 unequal: No Solution Moving to Node #0,0,2 Current State: 47:[34, 71], Operations: ['68-34=34', '23+48=71'] Exploring Operation: 71-34=37, Resulting Numbers: [37] 37,47 unequal: No Solution Exploring Operation: 34*71=2414, Resulting Numbers: [2414] 2414,47 unequal: No Solution Exploring Operation: 34+71=105, Resulting Numbers: [105] 105,47 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 53, 30, 66, 12 ]
45
[ "30+66=96", "96/12=8", "53-8=45" ]
Current State: 45:[53, 30, 66, 12], Operations: [] Exploring Operation: 30+66=96, Resulting Numbers: [53, 12, 96] Generated Node #2: [53, 12, 96] from Operation: 30+66=96 Current State: 45:[53, 12, 96], Operations: ['30+66=96'] Exploring Operation: 96/12=8, Resulting Numbers: [53, 8] Generated Node #3: [53, 8] from Operation: 96/12=8 Current State: 45:[53, 8], Operations: ['30+66=96', '96/12=8'] Exploring Operation: 53-8=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[53, 30, 66, 12], Operations: [] Exploring Operation: 66-30=36, Resulting Numbers: [53, 12, 36] Generated Node #0,0: 45:[53, 12, 36] Operation: 66-30=36 Exploring Operation: 66-53=13, Resulting Numbers: [30, 12, 13] Generated Node #0,1: 45:[30, 12, 13] Operation: 66-53=13 Exploring Operation: 53-30=23, Resulting Numbers: [66, 12, 23] Generated Node #0,2: 45:[66, 12, 23] Operation: 53-30=23 Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[53, 12, 36], Operations: ['66-30=36'] Exploring Operation: 36/12=3, Resulting Numbers: [53, 3] Generated Node #0,0,0: 45:[53, 3] Operation: 36/12=3 Exploring Operation: 12+36=48, Resulting Numbers: [53, 48] Generated Node #0,0,1: 45:[53, 48] Operation: 12+36=48 Exploring Operation: 53-36=17, Resulting Numbers: [12, 17] Generated Node #0,0,2: 45:[12, 17] Operation: 53-36=17 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 45:[12, 17], Operations: ['66-30=36', '53-36=17'] Exploring Operation: 17-12=5, Resulting Numbers: [5] 5,45 unequal: No Solution Exploring Operation: 12*17=204, Resulting Numbers: [204] 204,45 unequal: No Solution Exploring Operation: 12+17=29, Resulting Numbers: [29] 29,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 45:[53, 3], Operations: ['66-30=36', '36/12=3'] Exploring Operation: 53+3=56, Resulting Numbers: [56] 56,45 unequal: No Solution Exploring Operation: 53*3=159, Resulting Numbers: [159] 159,45 unequal: No Solution Exploring Operation: 53-3=50, Resulting Numbers: [50] 50,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 45:[53, 48], Operations: ['66-30=36', '12+36=48'] Exploring Operation: 53*48=2544, Resulting Numbers: [2544] 2544,45 unequal: No Solution Exploring Operation: 53+48=101, Resulting Numbers: [101] 101,45 unequal: No Solution Exploring Operation: 53-48=5, Resulting Numbers: [5] 5,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 45:[30, 12, 13], Operations: ['66-53=13'] Exploring Operation: 30+13=43, Resulting Numbers: [12, 43] Generated Node #0,1,0: 45:[12, 43] Operation: 30+13=43 Exploring Operation: 30-12=18, Resulting Numbers: [13, 18] Generated Node #0,1,1: 45:[13, 18] Operation: 30-12=18 Exploring Operation: 30+12=42, Resulting Numbers: [13, 42] Generated Node #0,1,2: 45:[13, 42] Operation: 30+12=42 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 45:[12, 43], Operations: ['66-53=13', '30+13=43'] Exploring Operation: 12+43=55, Resulting Numbers: [55] 55,45 unequal: No Solution Exploring Operation: 43-12=31, Resulting Numbers: [31] 31,45 unequal: No Solution Exploring Operation: 12*43=516, Resulting Numbers: [516] 516,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 45:[13, 18], Operations: ['66-53=13', '30-12=18'] Exploring Operation: 18-13=5, Resulting Numbers: [5] 5,45 unequal: No Solution Exploring Operation: 13+18=31, Resulting Numbers: [31] 31,45 unequal: No Solution Exploring Operation: 13*18=234, Resulting Numbers: [234] 234,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 45:[13, 42], Operations: ['66-53=13', '30+12=42'] Exploring Operation: 13*42=546, Resulting Numbers: [546] 546,45 unequal: No Solution Exploring Operation: 13+42=55, Resulting Numbers: [55] 55,45 unequal: No Solution Exploring Operation: 42-13=29, Resulting Numbers: [29] 29,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 45:[66, 12, 23], Operations: ['53-30=23'] Exploring Operation: 66-12=54, Resulting Numbers: [23, 54] Generated Node #0,2,0: 45:[23, 54] Operation: 66-12=54 Exploring Operation: 66-23=43, Resulting Numbers: [12, 43] Generated Node #0,2,1: 45:[12, 43] Operation: 66-23=43 Exploring Operation: 23-12=11, Resulting Numbers: [66, 11] Generated Node #0,2,2: 45:[66, 11] Operation: 23-12=11 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 45:[12, 43], Operations: ['53-30=23', '66-23=43'] Exploring Operation: 12*43=516, Resulting Numbers: [516] 516,45 unequal: No Solution Exploring Operation: 43-12=31, Resulting Numbers: [31] 31,45 unequal: No Solution Exploring Operation: 12+43=55, Resulting Numbers: [55] 55,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 45:[23, 54], Operations: ['53-30=23', '66-12=54'] Exploring Operation: 23*54=1242, Resulting Numbers: [1242] 1242,45 unequal: No Solution Exploring Operation: 23+54=77, Resulting Numbers: [77] 77,45 unequal: No Solution Exploring Operation: 54-23=31, Resulting Numbers: [31] 31,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 45:[66, 11], Operations: ['53-30=23', '23-12=11'] Exploring Operation: 66+11=77, Resulting Numbers: [77] 77,45 unequal: No Solution Exploring Operation: 66-11=55, Resulting Numbers: [55] 55,45 unequal: No Solution Exploring Operation: 66/11=6, Resulting Numbers: [6] 6,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 7, 12, 38, 95 ]
37
[ "12*95=1140", "1140/38=30", "7+30=37" ]
Current State: 37:[7, 12, 38, 95], Operations: [] Exploring Operation: 12*95=1140, Resulting Numbers: [7, 38, 1140] Generated Node #2: [7, 38, 1140] from Operation: 12*95=1140 Current State: 37:[7, 38, 1140], Operations: ['12*95=1140'] Exploring Operation: 1140/38=30, Resulting Numbers: [7, 30] Generated Node #3: [7, 30] from Operation: 1140/38=30 Current State: 37:[7, 30], Operations: ['12*95=1140', '1140/38=30'] Exploring Operation: 7+30=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[7, 12, 38, 95], Operations: [] Exploring Operation: 7+12=19, Resulting Numbers: [38, 95, 19] Generated Node #0,0: 37:[38, 95, 19] Operation: 7+12=19 Exploring Operation: 95-38=57, Resulting Numbers: [7, 12, 57] Generated Node #0,1: 37:[7, 12, 57] Operation: 95-38=57 Exploring Operation: 95-7=88, Resulting Numbers: [12, 38, 88] Generated Node #0,2: 37:[12, 38, 88] Operation: 95-7=88 Exploring Operation: 95-12=83, Resulting Numbers: [7, 38, 83] Generated Node #0,3: 37:[7, 38, 83] Operation: 95-12=83 Start Sub Search at level 1: Moving to Node #0,1 Current State: 37:[7, 12, 57], Operations: ['95-38=57'] Exploring Operation: 57-12=45, Resulting Numbers: [7, 45] Generated Node #0,1,0: 37:[7, 45] Operation: 57-12=45 Exploring Operation: 7+12=19, Resulting Numbers: [57, 19] Generated Node #0,1,1: 37:[57, 19] Operation: 7+12=19 Exploring Operation: 12-7=5, Resulting Numbers: [57, 5] Generated Node #0,1,2: 37:[57, 5] Operation: 12-7=5 Exploring Operation: 57-7=50, Resulting Numbers: [12, 50] Generated Node #0,1,3: 37:[12, 50] Operation: 57-7=50 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 37:[7, 45], Operations: ['95-38=57', '57-12=45'] Exploring Operation: 7*45=315, Resulting Numbers: [315] 315,37 unequal: No Solution Exploring Operation: 45-7=38, Resulting Numbers: [38] 38,37 unequal: No Solution Exploring Operation: 7+45=52, Resulting Numbers: [52] 52,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 37:[57, 19], Operations: ['95-38=57', '7+12=19'] Exploring Operation: 57+19=76, Resulting Numbers: [76] 76,37 unequal: No Solution Exploring Operation: 57-19=38, Resulting Numbers: [38] 38,37 unequal: No Solution Exploring Operation: 57*19=1083, Resulting Numbers: [1083] 1083,37 unequal: No Solution Exploring Operation: 57/19=3, Resulting Numbers: [3] 3,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 37:[12, 50], Operations: ['95-38=57', '57-7=50'] Exploring Operation: 50-12=38, Resulting Numbers: [38] 38,37 unequal: No Solution Exploring Operation: 12+50=62, Resulting Numbers: [62] 62,37 unequal: No Solution Exploring Operation: 12*50=600, Resulting Numbers: [600] 600,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 37:[57, 5], Operations: ['95-38=57', '12-7=5'] Exploring Operation: 57*5=285, Resulting Numbers: [285] 285,37 unequal: No Solution Exploring Operation: 57+5=62, Resulting Numbers: [62] 62,37 unequal: No Solution Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[38, 95, 19], Operations: ['7+12=19'] Exploring Operation: 38-19=19, Resulting Numbers: [95, 19] Generated Node #0,0,0: 37:[95, 19] Operation: 38-19=19 Exploring Operation: 95/19=5, Resulting Numbers: [38, 5] Generated Node #0,0,1: 37:[38, 5] Operation: 95/19=5 Exploring Operation: 95-38=57, Resulting Numbers: [19, 57] Generated Node #0,0,2: 37:[19, 57] Operation: 95-38=57 Exploring Operation: 95-19=76, Resulting Numbers: [38, 76] Generated Node #0,0,3: 37:[38, 76] Operation: 95-19=76 Moving to Node #0,0,1 Current State: 37:[38, 5], Operations: ['7+12=19', '95/19=5'] Exploring Operation: 38+5=43, Resulting Numbers: [43] 43,37 unequal: No Solution Exploring Operation: 38*5=190, Resulting Numbers: [190] 190,37 unequal: No Solution Exploring Operation: 38-5=33, Resulting Numbers: [33] 33,37 unequal: No Solution Moving to Node #0,0,2 Current State: 37:[19, 57], Operations: ['7+12=19', '95-38=57'] Exploring Operation: 19*57=1083, Resulting Numbers: [1083] 1083,37 unequal: No Solution Exploring Operation: 19+57=76, Resulting Numbers: [76] 76,37 unequal: No Solution Exploring Operation: 57-19=38, Resulting Numbers: [38] 38,37 unequal: No Solution Exploring Operation: 57/19=3, Resulting Numbers: [3] 3,37 unequal: No Solution Moving to Node #0,0,3 Current State: 37:[38, 76], Operations: ['7+12=19', '95-19=76'] Exploring Operation: 76-38=38, Resulting Numbers: [38] 38,37 unequal: No Solution Exploring Operation: 38*76=2888, Resulting Numbers: [2888] 2888,37 unequal: No Solution Exploring Operation: 76/38=2, Resulting Numbers: [2] 2,37 unequal: No Solution Exploring Operation: 38+76=114, Resulting Numbers: [114] 114,37 unequal: No Solution Moving to Node #0,0,0 Current State: 37:[95, 19], Operations: ['7+12=19', '38-19=19'] Exploring Operation: 95/19=5, Resulting Numbers: [5] 5,37 unequal: No Solution Exploring Operation: 95*19=1805, Resulting Numbers: [1805] 1805,37 unequal: No Solution Exploring Operation: 95+19=114, Resulting Numbers: [114] 114,37 unequal: No Solution Exploring Operation: 95-19=76, Resulting Numbers: [76] 76,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 37:[12, 38, 88], Operations: ['95-7=88'] Exploring Operation: 88-38=50, Resulting Numbers: [12, 50] Generated Node #0,2,0: 37:[12, 50] Operation: 88-38=50 Exploring Operation: 88-12=76, Resulting Numbers: [38, 76] Generated Node #0,2,1: 37:[38, 76] Operation: 88-12=76 Exploring Operation: 12+38=50, Resulting Numbers: [88, 50] Generated Node #0,2,2: 37:[88, 50] Operation: 12+38=50 Exploring Operation: 38-12=26, Resulting Numbers: [88, 26] Generated Node #0,2,3: 37:[88, 26] Operation: 38-12=26 Moving to Node #0,2,0 Current State: 37:[12, 50], Operations: ['95-7=88', '88-38=50'] Exploring Operation: 12+50=62, Resulting Numbers: [62] 62,37 unequal: No Solution Exploring Operation: 50-12=38, Resulting Numbers: [38] 38,37 unequal: No Solution Exploring Operation: 12*50=600, Resulting Numbers: [600] 600,37 unequal: No Solution Moving to Node #0,2,1 Current State: 37:[38, 76], Operations: ['95-7=88', '88-12=76'] Exploring Operation: 38+76=114, Resulting Numbers: [114] 114,37 unequal: No Solution Exploring Operation: 38*76=2888, Resulting Numbers: [2888] 2888,37 unequal: No Solution Exploring Operation: 76/38=2, Resulting Numbers: [2] 2,37 unequal: No Solution Exploring Operation: 76-38=38, Resulting Numbers: [38] 38,37 unequal: No Solution Moving to Node #0,2,3 Current State: 37:[88, 26], Operations: ['95-7=88', '38-12=26'] Exploring Operation: 88-26=62, Resulting Numbers: [62] 62,37 unequal: No Solution Exploring Operation: 88*26=2288, Resulting Numbers: [2288] 2288,37 unequal: No Solution Exploring Operation: 88+26=114, Resulting Numbers: [114] 114,37 unequal: No Solution Moving to Node #0,2,2 Current State: 37:[88, 50], Operations: ['95-7=88', '12+38=50'] Exploring Operation: 88-50=38, Resulting Numbers: [38] 38,37 unequal: No Solution Exploring Operation: 88*50=4400, Resulting Numbers: [4400] 4400,37 unequal: No Solution Exploring Operation: 88+50=138, Resulting Numbers: [138] 138,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 37:[7, 38, 83], Operations: ['95-12=83'] Exploring Operation: 83-7=76, Resulting Numbers: [38, 76] Generated Node #0,3,0: 37:[38, 76] Operation: 83-7=76 Exploring Operation: 7+38=45, Resulting Numbers: [83, 45] Generated Node #0,3,1: 37:[83, 45] Operation: 7+38=45 Exploring Operation: 83-38=45, Resulting Numbers: [7, 45] Generated Node #0,3,2: 37:[7, 45] Operation: 83-38=45 Exploring Operation: 38-7=31, Resulting Numbers: [83, 31] Generated Node #0,3,3: 37:[83, 31] Operation: 38-7=31 Moving to Node #0,3,2 Current State: 37:[7, 45], Operations: ['95-12=83', '83-38=45'] Exploring Operation: 7+45=52, Resulting Numbers: [52] 52,37 unequal: No Solution Exploring Operation: 45-7=38, Resulting Numbers: [38] 38,37 unequal: No Solution Exploring Operation: 7*45=315, Resulting Numbers: [315] 315,37 unequal: No Solution Moving to Node #0,3,0 Current State: 37:[38, 76], Operations: ['95-12=83', '83-7=76'] Exploring Operation: 76-38=38, Resulting Numbers: [38] 38,37 unequal: No Solution Exploring Operation: 38+76=114, Resulting Numbers: [114] 114,37 unequal: No Solution Exploring Operation: 76/38=2, Resulting Numbers: [2] 2,37 unequal: No Solution Exploring Operation: 38*76=2888, Resulting Numbers: [2888] 2888,37 unequal: No Solution Moving to Node #0,3,3 Current State: 37:[83, 31], Operations: ['95-12=83', '38-7=31'] Exploring Operation: 83+31=114, Resulting Numbers: [114] 114,37 unequal: No Solution Exploring Operation: 83-31=52, Resulting Numbers: [52] 52,37 unequal: No Solution Exploring Operation: 83*31=2573, Resulting Numbers: [2573] 2573,37 unequal: No Solution Moving to Node #0,3,1 Current State: 37:[83, 45], Operations: ['95-12=83', '7+38=45'] Exploring Operation: 83-45=38, Resulting Numbers: [38] 38,37 unequal: No Solution Exploring Operation: 83+45=128, Resulting Numbers: [128] 128,37 unequal: No Solution Exploring Operation: 83*45=3735, Resulting Numbers: [3735] 3735,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 86, 41, 62, 7 ]
24
[ "86-41=45", "62+7=69", "69-45=24" ]
Current State: 24:[86, 41, 62, 7], Operations: [] Exploring Operation: 86-41=45, Resulting Numbers: [62, 7, 45] Generated Node #2: [62, 7, 45] from Operation: 86-41=45 Current State: 24:[62, 7, 45], Operations: ['86-41=45'] Exploring Operation: 62+7=69, Resulting Numbers: [45, 69] Generated Node #3: [45, 69] from Operation: 62+7=69 Current State: 24:[45, 69], Operations: ['86-41=45', '62+7=69'] Exploring Operation: 69-45=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[86, 41, 62, 7], Operations: [] Exploring Operation: 86-62=24, Resulting Numbers: [41, 7, 24] Generated Node #0,0: 24:[41, 7, 24] Operation: 86-62=24 Exploring Operation: 86-41=45, Resulting Numbers: [62, 7, 45] Generated Node #0,1: 24:[62, 7, 45] Operation: 86-41=45 Exploring Operation: 41-7=34, Resulting Numbers: [86, 62, 34] Generated Node #0,2: 24:[86, 62, 34] Operation: 41-7=34 Exploring Operation: 62-41=21, Resulting Numbers: [86, 7, 21] Generated Node #0,3: 24:[86, 7, 21] Operation: 62-41=21 Exploring Operation: 86-7=79, Resulting Numbers: [41, 62, 79] Generated Node #0,4: 24:[41, 62, 79] Operation: 86-7=79 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[41, 7, 24], Operations: ['86-62=24'] Exploring Operation: 7+24=31, Resulting Numbers: [41, 31] Generated Node #0,0,0: 24:[41, 31] Operation: 7+24=31 Exploring Operation: 41-24=17, Resulting Numbers: [7, 17] Generated Node #0,0,1: 24:[7, 17] Operation: 41-24=17 Exploring Operation: 41-7=34, Resulting Numbers: [24, 34] Generated Node #0,0,2: 24:[24, 34] Operation: 41-7=34 Exploring Operation: 41+7=48, Resulting Numbers: [24, 48] Generated Node #0,0,3: 24:[24, 48] Operation: 41+7=48 Exploring Operation: 24-7=17, Resulting Numbers: [41, 17] Generated Node #0,0,4: 24:[41, 17] Operation: 24-7=17 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 24:[7, 17], Operations: ['86-62=24', '41-24=17'] Exploring Operation: 7*17=119, Resulting Numbers: [119] 119,24 unequal: No Solution Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,24 unequal: No Solution Exploring Operation: 7+17=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[86, 41, 62, 7], Operations: [] Exploring Operation: 86-62=24, Resulting Numbers: [41, 7, 24] Generated Node #0,0: 24:[41, 7, 24] Operation: 86-62=24 Moving to Node #0,0 Current State: 24:[41, 7, 24], Operations: ['86-62=24'] Exploring Operation: 41-24=17, Resulting Numbers: [7, 17] Generated Node #0,0,1: 24:[7, 17] Operation: 41-24=17 Moving to Node #0,0,1 Current State: 24:[7, 17], Operations: ['86-62=24', '41-24=17'] Exploring Operation: 7+17=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 2, 12, 66, 85 ]
25
[ "12/2=6", "85-66=19", "6+19=25" ]
Current State: 25:[2, 12, 66, 85], Operations: [] Exploring Operation: 12/2=6, Resulting Numbers: [66, 85, 6] Generated Node #2: [66, 85, 6] from Operation: 12/2=6 Current State: 25:[66, 85, 6], Operations: ['12/2=6'] Exploring Operation: 85-66=19, Resulting Numbers: [6, 19] Generated Node #3: [6, 19] from Operation: 85-66=19 Current State: 25:[6, 19], Operations: ['12/2=6', '85-66=19'] Exploring Operation: 6+19=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[2, 12, 66, 85], Operations: [] Exploring Operation: 66/2=33, Resulting Numbers: [12, 85, 33] Generated Node #0,0: 25:[12, 85, 33] Operation: 66/2=33 Exploring Operation: 85-66=19, Resulting Numbers: [2, 12, 19] Generated Node #0,1: 25:[2, 12, 19] Operation: 85-66=19 Exploring Operation: 2*12=24, Resulting Numbers: [66, 85, 24] Generated Node #0,2: 25:[66, 85, 24] Operation: 2*12=24 Exploring Operation: 66-12=54, Resulting Numbers: [2, 85, 54] Generated Node #0,3: 25:[2, 85, 54] Operation: 66-12=54 Exploring Operation: 85-12=73, Resulting Numbers: [2, 66, 73] Generated Node #0,4: 25:[2, 66, 73] Operation: 85-12=73 Moving to Node #0,1 Current State: 25:[2, 12, 19], Operations: ['85-66=19'] Exploring Operation: 2*12=24, Resulting Numbers: [19, 24] Generated Node #0,1,0: 25:[19, 24] Operation: 2*12=24 Exploring Operation: 12-2=10, Resulting Numbers: [19, 10] Generated Node #0,1,1: 25:[19, 10] Operation: 12-2=10 Exploring Operation: 12+19=31, Resulting Numbers: [2, 31] Generated Node #0,1,2: 25:[2, 31] Operation: 12+19=31 Exploring Operation: 19-12=7, Resulting Numbers: [2, 7] Generated Node #0,1,3: 25:[2, 7] Operation: 19-12=7 Exploring Operation: 12/2=6, Resulting Numbers: [19, 6] Generated Node #0,1,4: 25:[19, 6] Operation: 12/2=6 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 25:[2, 7], Operations: ['85-66=19', '19-12=7'] Exploring Operation: 2+7=9, Resulting Numbers: [9] 9,25 unequal: No Solution Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,25 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,25 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:[19, 24], Operations: ['85-66=19', '2*12=24'] Exploring Operation: 19*24=456, Resulting Numbers: [456] 456,25 unequal: No Solution Exploring Operation: 19+24=43, Resulting Numbers: [43] 43,25 unequal: No Solution Exploring Operation: 24-19=5, Resulting Numbers: [5] 5,25 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 #0,1,4 Current State: 25:[19, 6], Operations: ['85-66=19', '12/2=6'] Exploring Operation: 19*6=114, Resulting Numbers: [114] 114,25 unequal: No Solution Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,25 unequal: No Solution Exploring Operation: 19+6=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[2, 12, 66, 85], Operations: [] Exploring Operation: 85-66=19, Resulting Numbers: [2, 12, 19] Generated Node #0,1: 25:[2, 12, 19] Operation: 85-66=19 Moving to Node #0,1 Current State: 25:[2, 12, 19], Operations: ['85-66=19'] Exploring Operation: 12/2=6, Resulting Numbers: [19, 6] Generated Node #0,1,4: 25:[19, 6] Operation: 12/2=6 Moving to Node #0,1,4 Current State: 25:[19, 6], Operations: ['85-66=19', '12/2=6'] Exploring Operation: 19+6=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_5
sum_heuristic
[ 75, 7, 82, 56 ]
57
[ "75+7=82", "82/82=1", "56+1=57" ]
Current State: 57:[75, 7, 82, 56], Operations: [] Exploring Operation: 75+7=82, Resulting Numbers: [82, 56, 82] Generated Node #2: [82, 56, 82] from Operation: 75+7=82 Current State: 57:[82, 56, 82], Operations: ['75+7=82'] Exploring Operation: 82/82=1, Resulting Numbers: [56, 1] Generated Node #3: [56, 1] from Operation: 82/82=1 Current State: 57:[56, 1], Operations: ['75+7=82', '82/82=1'] Exploring Operation: 56+1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[75, 7, 82, 56], Operations: [] Exploring Operation: 75-7=68, Resulting Numbers: [82, 56, 68] Generated Node #0,0: 57:[82, 56, 68] Operation: 75-7=68 Exploring Operation: 82-7=75, Resulting Numbers: [75, 56, 75] Generated Node #0,1: 57:[75, 56, 75] Operation: 82-7=75 Exploring Operation: 75-56=19, Resulting Numbers: [7, 82, 19] Generated Node #0,2: 57:[7, 82, 19] Operation: 75-56=19 Exploring Operation: 82-75=7, Resulting Numbers: [7, 56, 7] Generated Node #0,3: 57:[7, 56, 7] Operation: 82-75=7 Exploring Operation: 82-56=26, Resulting Numbers: [75, 7, 26] Generated Node #0,4: 57:[75, 7, 26] Operation: 82-56=26 Moving to Node #0,3 Current State: 57:[7, 56, 7], Operations: ['82-75=7'] Exploring Operation: 7*7=49, Resulting Numbers: [56, 49] Generated Node #0,3,0: 57:[56, 49] Operation: 7*7=49 Exploring Operation: 7/7=1, Resulting Numbers: [56, 1] Generated Node #0,3,1: 57:[56, 1] Operation: 7/7=1 Exploring Operation: 7-7=0, Resulting Numbers: [56, 0] Generated Node #0,3,2: 57:[56, 0] Operation: 7-7=0 Exploring Operation: 56/7=8, Resulting Numbers: [7, 8] Generated Node #0,3,3: 57:[7, 8] Operation: 56/7=8 Exploring Operation: 7+7=14, Resulting Numbers: [56, 14] Generated Node #0,3,4: 57:[56, 14] Operation: 7+7=14 Moving to Node #0,4 Current State: 57:[75, 7, 26], Operations: ['82-56=26'] Exploring Operation: 75+7=82, Resulting Numbers: [26, 82] Generated Node #0,4,0: 57:[26, 82] Operation: 75+7=82 Exploring Operation: 26-7=19, Resulting Numbers: [75, 19] Generated Node #0,4,1: 57:[75, 19] Operation: 26-7=19 Exploring Operation: 75-26=49, Resulting Numbers: [7, 49] Generated Node #0,4,2: 57:[7, 49] Operation: 75-26=49 Exploring Operation: 7+26=33, Resulting Numbers: [75, 33] Generated Node #0,4,3: 57:[75, 33] Operation: 7+26=33 Exploring Operation: 75-7=68, Resulting Numbers: [26, 68] Generated Node #0,4,4: 57:[26, 68] Operation: 75-7=68 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 57:[7, 49], Operations: ['82-56=26', '75-26=49'] Exploring Operation: 49-7=42, Resulting Numbers: [42] 42,57 unequal: No Solution Exploring Operation: 49/7=7, Resulting Numbers: [7] 7,57 unequal: No Solution Exploring Operation: 7+49=56, Resulting Numbers: [56] 56,57 unequal: No Solution Exploring Operation: 7*49=343, Resulting Numbers: [343] 343,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 57:[75, 19], Operations: ['82-56=26', '26-7=19'] Exploring Operation: 75-19=56, Resulting Numbers: [56] 56,57 unequal: No Solution Exploring Operation: 75*19=1425, Resulting Numbers: [1425] 1425,57 unequal: No Solution Exploring Operation: 75+19=94, Resulting Numbers: [94] 94,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 57:[26, 68], Operations: ['82-56=26', '75-7=68'] Exploring Operation: 68-26=42, Resulting Numbers: [42] 42,57 unequal: No Solution Exploring Operation: 26+68=94, Resulting Numbers: [94] 94,57 unequal: No Solution Exploring Operation: 26*68=1768, Resulting Numbers: [1768] 1768,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 57:[26, 82], Operations: ['82-56=26', '75+7=82'] Exploring Operation: 82-26=56, Resulting Numbers: [56] 56,57 unequal: No Solution Exploring Operation: 26+82=108, Resulting Numbers: [108] 108,57 unequal: No Solution Exploring Operation: 26*82=2132, Resulting Numbers: [2132] 2132,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 57:[75, 33], Operations: ['82-56=26', '7+26=33'] Exploring Operation: 75-33=42, Resulting Numbers: [42] 42,57 unequal: No Solution Exploring Operation: 75*33=2475, Resulting Numbers: [2475] 2475,57 unequal: No Solution Exploring Operation: 75+33=108, Resulting Numbers: [108] 108,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 57:[7, 82, 19], Operations: ['75-56=19'] Exploring Operation: 7+19=26, Resulting Numbers: [82, 26] Generated Node #0,2,0: 57:[82, 26] Operation: 7+19=26 Exploring Operation: 7+82=89, Resulting Numbers: [19, 89] Generated Node #0,2,1: 57:[19, 89] Operation: 7+82=89 Exploring Operation: 19-7=12, Resulting Numbers: [82, 12] Generated Node #0,2,2: 57:[82, 12] Operation: 19-7=12 Exploring Operation: 82-7=75, Resulting Numbers: [19, 75] Generated Node #0,2,3: 57:[19, 75] Operation: 82-7=75 Exploring Operation: 82-19=63, Resulting Numbers: [7, 63] Generated Node #0,2,4: 57:[7, 63] Operation: 82-19=63 Moving to Node #0,0 Current State: 57:[82, 56, 68], Operations: ['75-7=68'] Exploring Operation: 82-56=26, Resulting Numbers: [68, 26] Generated Node #0,0,0: 57:[68, 26] Operation: 82-56=26 Exploring Operation: 82+56=138, Resulting Numbers: [68, 138] Generated Node #0,0,1: 57:[68, 138] Operation: 82+56=138 Exploring Operation: 68-56=12, Resulting Numbers: [82, 12] Generated Node #0,0,2: 57:[82, 12] Operation: 68-56=12 Exploring Operation: 82-68=14, Resulting Numbers: [56, 14] Generated Node #0,0,3: 57:[56, 14] Operation: 82-68=14 Exploring Operation: 56+68=124, Resulting Numbers: [82, 124] Generated Node #0,0,4: 57:[82, 124] Operation: 56+68=124 Moving to Node #0,1 Current State: 57:[75, 56, 75], Operations: ['82-7=75'] Exploring Operation: 75-56=19, Resulting Numbers: [75, 19] Generated Node #0,1,0: 57:[75, 19] Operation: 75-56=19 Exploring Operation: 75-56=19, Resulting Numbers: [75, 19] Generated Node #0,1,1: 57:[75, 19] Operation: 75-56=19 Exploring Operation: 75/75=1, Resulting Numbers: [56, 1] Generated Node #0,1,2: 57:[56, 1] Operation: 75/75=1 Exploring Operation: 75+56=131, Resulting Numbers: [75, 131] Generated Node #0,1,3: 57:[75, 131] Operation: 75+56=131 Exploring Operation: 75-75=0, Resulting Numbers: [56, 0] Generated Node #0,1,4: 57:[56, 0] Operation: 75-75=0 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 57:[56, 1], Operations: ['82-7=75', '75/75=1'] Exploring Operation: 56*1=56, Resulting Numbers: [56] 56,57 unequal: No Solution Exploring Operation: 56+1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[75, 7, 82, 56], Operations: [] Exploring Operation: 82-7=75, Resulting Numbers: [75, 56, 75] Generated Node #0,1: 57:[75, 56, 75] Operation: 82-7=75 Moving to Node #0,1 Current State: 57:[75, 56, 75], Operations: ['82-7=75'] Exploring Operation: 75/75=1, Resulting Numbers: [56, 1] Generated Node #0,1,2: 57:[56, 1] Operation: 75/75=1 Moving to Node #0,1,2 Current State: 57:[56, 1], Operations: ['82-7=75', '75/75=1'] Exploring Operation: 56+1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 1
0.954861
hs_5
mult_heuristic
[ 60, 59, 49, 89 ]
83
[ "59-49=10", "60/10=6", "89-6=83" ]
Current State: 83:[60, 59, 49, 89], Operations: [] Exploring Operation: 59-49=10, Resulting Numbers: [60, 89, 10] Generated Node #2: [60, 89, 10] from Operation: 59-49=10 Current State: 83:[60, 89, 10], Operations: ['59-49=10'] Exploring Operation: 60/10=6, Resulting Numbers: [89, 6] Generated Node #3: [89, 6] from Operation: 60/10=6 Current State: 83:[89, 6], Operations: ['59-49=10', '60/10=6'] Exploring Operation: 89-6=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[60, 59, 49, 89], Operations: [] Exploring Operation: 59+49=108, Resulting Numbers: [60, 89, 108] Generated Node #0,0: 83:[60, 89, 108] Operation: 59+49=108 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[60, 89, 108], Operations: ['59+49=108'] Exploring Operation: 108-60=48, Resulting Numbers: [89, 48] Generated Node #0,0,0: 83:[89, 48] Operation: 108-60=48 Moving to Node #0,0,0 Current State: 83:[89, 48], Operations: ['59+49=108', '108-60=48'] Exploring Operation: 89-48=41, Resulting Numbers: [41] 41,83 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
[ 33, 2, 30, 15 ]
36
[ "33-30=3", "15+3=18", "2*18=36" ]
Current State: 36:[33, 2, 30, 15], Operations: [] Exploring Operation: 33-30=3, Resulting Numbers: [2, 15, 3] Generated Node #2: [2, 15, 3] from Operation: 33-30=3 Current State: 36:[2, 15, 3], Operations: ['33-30=3'] Exploring Operation: 15+3=18, Resulting Numbers: [2, 18] Generated Node #3: [2, 18] from Operation: 15+3=18 Current State: 36:[2, 18], Operations: ['33-30=3', '15+3=18'] Exploring Operation: 2*18=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[33, 2, 30, 15], Operations: [] Exploring Operation: 33-30=3, Resulting Numbers: [2, 15, 3] Generated Node #0,0: 36:[2, 15, 3] Operation: 33-30=3 Exploring Operation: 30-15=15, Resulting Numbers: [33, 2, 15] Generated Node #0,1: 36:[33, 2, 15] Operation: 30-15=15 Exploring Operation: 33-15=18, Resulting Numbers: [2, 30, 18] Generated Node #0,2: 36:[2, 30, 18] Operation: 33-15=18 Exploring Operation: 30/15=2, Resulting Numbers: [33, 2, 2] Generated Node #0,3: 36:[33, 2, 2] Operation: 30/15=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[2, 15, 3], Operations: ['33-30=3'] Exploring Operation: 15+3=18, Resulting Numbers: [2, 18] Generated Node #0,0,0: 36:[2, 18] Operation: 15+3=18 Exploring Operation: 15-3=12, Resulting Numbers: [2, 12] Generated Node #0,0,1: 36:[2, 12] Operation: 15-3=12 Exploring Operation: 15-2=13, Resulting Numbers: [3, 13] Generated Node #0,0,2: 36:[3, 13] Operation: 15-2=13 Exploring Operation: 2+15=17, Resulting Numbers: [3, 17] Generated Node #0,0,3: 36:[3, 17] Operation: 2+15=17 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 36:[2, 18], Operations: ['33-30=3', '15+3=18'] Exploring Operation: 2*18=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[33, 2, 30, 15], Operations: [] Exploring Operation: 33-30=3, Resulting Numbers: [2, 15, 3] Generated Node #0,0: 36:[2, 15, 3] Operation: 33-30=3 Moving to Node #0,0 Current State: 36:[2, 15, 3], Operations: ['33-30=3'] Exploring Operation: 15+3=18, Resulting Numbers: [2, 18] Generated Node #0,0,0: 36:[2, 18] Operation: 15+3=18 Moving to Node #0,0,0 Current State: 36:[2, 18], Operations: ['33-30=3', '15+3=18'] Exploring Operation: 2*18=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 3, 69, 67, 28 ]
72
[ "69/3=23", "67+28=95", "95-23=72" ]
Current State: 72:[3, 69, 67, 28], Operations: [] Exploring Operation: 69/3=23, Resulting Numbers: [67, 28, 23] Generated Node #2: [67, 28, 23] from Operation: 69/3=23 Current State: 72:[67, 28, 23], Operations: ['69/3=23'] Exploring Operation: 67+28=95, Resulting Numbers: [23, 95] Generated Node #3: [23, 95] from Operation: 67+28=95 Current State: 72:[23, 95], Operations: ['69/3=23', '67+28=95'] Exploring Operation: 95-23=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[3, 69, 67, 28], Operations: [] Exploring Operation: 69-67=2, Resulting Numbers: [3, 28, 2] Generated Node #0,0: 72:[3, 28, 2] Operation: 69-67=2 Moving to Node #0,0 Current State: 72:[3, 28, 2], Operations: ['69-67=2'] Exploring Operation: 28-3=25, Resulting Numbers: [2, 25] Generated Node #0,0,0: 72:[2, 25] Operation: 28-3=25 Moving to Node #0,0,0 Current State: 72:[2, 25], Operations: ['69-67=2', '28-3=25'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,72 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 84, 33, 40, 21 ]
92
[ "84*33=2772", "2772/21=132", "132-40=92" ]
Current State: 92:[84, 33, 40, 21], Operations: [] Exploring Operation: 84*33=2772, Resulting Numbers: [40, 21, 2772] Generated Node #2: [40, 21, 2772] from Operation: 84*33=2772 Current State: 92:[40, 21, 2772], Operations: ['84*33=2772'] Exploring Operation: 2772/21=132, Resulting Numbers: [40, 132] Generated Node #3: [40, 132] from Operation: 2772/21=132 Current State: 92:[40, 132], Operations: ['84*33=2772', '2772/21=132'] Exploring Operation: 132-40=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[84, 33, 40, 21], Operations: [] Exploring Operation: 84-33=51, Resulting Numbers: [40, 21, 51] Generated Node #0,0: 92:[40, 21, 51] Operation: 84-33=51 Moving to Node #0,0 Current State: 92:[40, 21, 51], Operations: ['84-33=51'] Exploring Operation: 40+51=91, Resulting Numbers: [21, 91] Generated Node #0,0,0: 92:[21, 91] Operation: 40+51=91 Moving to Node #0,0,0 Current State: 92:[21, 91], Operations: ['84-33=51', '40+51=91'] Exploring Operation: 21+91=112, Resulting Numbers: [112] 112,92 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 7, 9, 32, 78 ]
17
[ "7*9=63", "78-32=46", "63-46=17" ]
Current State: 17:[7, 9, 32, 78], Operations: [] Exploring Operation: 7*9=63, Resulting Numbers: [32, 78, 63] Generated Node #2: [32, 78, 63] from Operation: 7*9=63 Current State: 17:[32, 78, 63], Operations: ['7*9=63'] Exploring Operation: 78-32=46, Resulting Numbers: [63, 46] Generated Node #3: [63, 46] from Operation: 78-32=46 Current State: 17:[63, 46], Operations: ['7*9=63', '78-32=46'] Exploring Operation: 63-46=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[7, 9, 32, 78], Operations: [] Exploring Operation: 78-32=46, Resulting Numbers: [7, 9, 46] Generated Node #0,0: 17:[7, 9, 46] Operation: 78-32=46 Exploring Operation: 32-7=25, Resulting Numbers: [9, 78, 25] Generated Node #0,1: 17:[9, 78, 25] Operation: 32-7=25 Exploring Operation: 32-9=23, Resulting Numbers: [7, 78, 23] Generated Node #0,2: 17:[7, 78, 23] Operation: 32-9=23 Exploring Operation: 78-7=71, Resulting Numbers: [9, 32, 71] Generated Node #0,3: 17:[9, 32, 71] Operation: 78-7=71 Exploring Operation: 7+9=16, Resulting Numbers: [32, 78, 16] Generated Node #0,4: 17:[32, 78, 16] Operation: 7+9=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[7, 9, 46], Operations: ['78-32=46'] Exploring Operation: 7+9=16, Resulting Numbers: [46, 16] Generated Node #0,0,0: 17:[46, 16] Operation: 7+9=16 Exploring Operation: 9-7=2, Resulting Numbers: [46, 2] Generated Node #0,0,1: 17:[46, 2] Operation: 9-7=2 Exploring Operation: 46-9=37, Resulting Numbers: [7, 37] Generated Node #0,0,2: 17:[7, 37] Operation: 46-9=37 Exploring Operation: 7+46=53, Resulting Numbers: [9, 53] Generated Node #0,0,3: 17:[9, 53] Operation: 7+46=53 Exploring Operation: 46-7=39, Resulting Numbers: [9, 39] Generated Node #0,0,4: 17:[9, 39] Operation: 46-7=39 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 17:[46, 16], Operations: ['78-32=46', '7+9=16'] Exploring Operation: 46-16=30, Resulting Numbers: [30] 30,17 unequal: No Solution Exploring Operation: 46+16=62, Resulting Numbers: [62] 62,17 unequal: No Solution Exploring Operation: 46*16=736, Resulting Numbers: [736] 736,17 unequal: No Solution No 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: 17:[7, 37], Operations: ['78-32=46', '46-9=37'] Exploring Operation: 7*37=259, Resulting Numbers: [259] 259,17 unequal: No Solution Exploring Operation: 7+37=44, Resulting Numbers: [44] 44,17 unequal: No Solution Exploring Operation: 37-7=30, Resulting Numbers: [30] 30,17 unequal: No Solution No 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: 17:[9, 39], Operations: ['78-32=46', '46-7=39'] Exploring Operation: 39-9=30, Resulting Numbers: [30] 30,17 unequal: No Solution Exploring Operation: 9*39=351, Resulting Numbers: [351] 351,17 unequal: No Solution Exploring Operation: 9+39=48, Resulting Numbers: [48] 48,17 unequal: No Solution No 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: 17:[46, 2], Operations: ['78-32=46', '9-7=2'] Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,17 unequal: No Solution Exploring Operation: 46+2=48, Resulting Numbers: [48] 48,17 unequal: No Solution Exploring Operation: 46*2=92, Resulting Numbers: [92] 92,17 unequal: No Solution Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,17 unequal: No Solution No 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: 17:[9, 53], Operations: ['78-32=46', '7+46=53'] Exploring Operation: 9+53=62, Resulting Numbers: [62] 62,17 unequal: No Solution Exploring Operation: 9*53=477, Resulting Numbers: [477] 477,17 unequal: No Solution Exploring Operation: 53-9=44, Resulting Numbers: [44] 44,17 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: 17:[9, 78, 25], Operations: ['32-7=25'] Exploring Operation: 9+78=87, Resulting Numbers: [25, 87] Generated Node #0,1,0: 17:[25, 87] Operation: 9+78=87 Exploring Operation: 78-25=53, Resulting Numbers: [9, 53] Generated Node #0,1,1: 17:[9, 53] Operation: 78-25=53 Exploring Operation: 78-9=69, Resulting Numbers: [25, 69] Generated Node #0,1,2: 17:[25, 69] Operation: 78-9=69 Exploring Operation: 25-9=16, Resulting Numbers: [78, 16] Generated Node #0,1,3: 17:[78, 16] Operation: 25-9=16 Exploring Operation: 9+25=34, Resulting Numbers: [78, 34] Generated Node #0,1,4: 17:[78, 34] Operation: 9+25=34 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 17:[9, 53], Operations: ['32-7=25', '78-25=53'] Exploring Operation: 53-9=44, Resulting Numbers: [44] 44,17 unequal: No Solution Exploring Operation: 9*53=477, Resulting Numbers: [477] 477,17 unequal: No Solution Exploring Operation: 9+53=62, Resulting Numbers: [62] 62,17 unequal: No Solution No 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: 17:[25, 69], Operations: ['32-7=25', '78-9=69'] Exploring Operation: 25*69=1725, Resulting Numbers: [1725] 1725,17 unequal: No Solution Exploring Operation: 25+69=94, Resulting Numbers: [94] 94,17 unequal: No Solution Exploring Operation: 69-25=44, Resulting Numbers: [44] 44,17 unequal: No Solution No 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: 17:[78, 16], Operations: ['32-7=25', '25-9=16'] Exploring Operation: 78+16=94, Resulting Numbers: [94] 94,17 unequal: No Solution Exploring Operation: 78-16=62, Resulting Numbers: [62] 62,17 unequal: No Solution Exploring Operation: 78*16=1248, Resulting Numbers: [1248] 1248,17 unequal: No Solution No 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: 17:[25, 87], Operations: ['32-7=25', '9+78=87'] Exploring Operation: 87-25=62, Resulting Numbers: [62] 62,17 unequal: No Solution Exploring Operation: 25+87=112, Resulting Numbers: [112] 112,17 unequal: No Solution Exploring Operation: 25*87=2175, Resulting Numbers: [2175] 2175,17 unequal: No Solution No 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: 17:[78, 34], Operations: ['32-7=25', '9+25=34'] Exploring Operation: 78-34=44, Resulting Numbers: [44] 44,17 unequal: No Solution Exploring Operation: 78+34=112, Resulting Numbers: [112] 112,17 unequal: No Solution Exploring Operation: 78*34=2652, Resulting Numbers: [2652] 2652,17 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: 17:[7, 78, 23], Operations: ['32-9=23'] Exploring Operation: 7+78=85, Resulting Numbers: [23, 85] Generated Node #0,2,0: 17:[23, 85] Operation: 7+78=85 Exploring Operation: 7+23=30, Resulting Numbers: [78, 30] Generated Node #0,2,1: 17:[78, 30] Operation: 7+23=30 Exploring Operation: 23-7=16, Resulting Numbers: [78, 16] Generated Node #0,2,2: 17:[78, 16] Operation: 23-7=16 Exploring Operation: 78-7=71, Resulting Numbers: [23, 71] Generated Node #0,2,3: 17:[23, 71] Operation: 78-7=71 Exploring Operation: 78-23=55, Resulting Numbers: [7, 55] Generated Node #0,2,4: 17:[7, 55] Operation: 78-23=55 Moving to Node #0,2,4 Current State: 17:[7, 55], Operations: ['32-9=23', '78-23=55'] Exploring Operation: 7+55=62, Resulting Numbers: [62] 62,17 unequal: No Solution Exploring Operation: 55-7=48, Resulting Numbers: [48] 48,17 unequal: No Solution Exploring Operation: 7*55=385, Resulting Numbers: [385] 385,17 unequal: No Solution Moving to Node #0,2,3 Current State: 17:[23, 71], Operations: ['32-9=23', '78-7=71'] Exploring Operation: 23+71=94, Resulting Numbers: [94] 94,17 unequal: No Solution Exploring Operation: 23*71=1633, Resulting Numbers: [1633] 1633,17 unequal: No Solution Exploring Operation: 71-23=48, Resulting Numbers: [48] 48,17 unequal: No Solution Moving to Node #0,2,2 Current State: 17:[78, 16], Operations: ['32-9=23', '23-7=16'] Exploring Operation: 78+16=94, Resulting Numbers: [94] 94,17 unequal: No Solution Exploring Operation: 78*16=1248, Resulting Numbers: [1248] 1248,17 unequal: No Solution Exploring Operation: 78-16=62, Resulting Numbers: [62] 62,17 unequal: No Solution Moving to Node #0,2,0 Current State: 17:[23, 85], Operations: ['32-9=23', '7+78=85'] Exploring Operation: 23+85=108, Resulting Numbers: [108] 108,17 unequal: No Solution Exploring Operation: 23*85=1955, Resulting Numbers: [1955] 1955,17 unequal: No Solution Exploring Operation: 85-23=62, Resulting Numbers: [62] 62,17 unequal: No Solution Moving to Node #0,2,1 Current State: 17:[78, 30], Operations: ['32-9=23', '7+23=30'] Exploring Operation: 78-30=48, Resulting Numbers: [48] 48,17 unequal: No Solution Exploring Operation: 78+30=108, Resulting Numbers: [108] 108,17 unequal: No Solution Exploring Operation: 78*30=2340, Resulting Numbers: [2340] 2340,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 17:[9, 32, 71], Operations: ['78-7=71'] Exploring Operation: 71-9=62, Resulting Numbers: [32, 62] Generated Node #0,3,0: 17:[32, 62] Operation: 71-9=62 Exploring Operation: 71-32=39, Resulting Numbers: [9, 39] Generated Node #0,3,1: 17:[9, 39] Operation: 71-32=39 Exploring Operation: 9+32=41, Resulting Numbers: [71, 41] Generated Node #0,3,2: 17:[71, 41] Operation: 9+32=41 Exploring Operation: 32-9=23, Resulting Numbers: [71, 23] Generated Node #0,3,3: 17:[71, 23] Operation: 32-9=23 Exploring Operation: 9+71=80, Resulting Numbers: [32, 80] Generated Node #0,3,4: 17:[32, 80] Operation: 9+71=80 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 17:[9, 39], Operations: ['78-7=71', '71-32=39'] Exploring Operation: 39-9=30, Resulting Numbers: [30] 30,17 unequal: No Solution Exploring Operation: 9+39=48, Resulting Numbers: [48] 48,17 unequal: No Solution Exploring Operation: 9*39=351, Resulting Numbers: [351] 351,17 unequal: No Solution No 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: 17:[32, 62], Operations: ['78-7=71', '71-9=62'] Exploring Operation: 32*62=1984, Resulting Numbers: [1984] 1984,17 unequal: No Solution Exploring Operation: 32+62=94, Resulting Numbers: [94] 94,17 unequal: No Solution Exploring Operation: 62-32=30, Resulting Numbers: [30] 30,17 unequal: No Solution No 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: 17:[71, 23], Operations: ['78-7=71', '32-9=23'] Exploring Operation: 71*23=1633, Resulting Numbers: [1633] 1633,17 unequal: No Solution Exploring Operation: 71+23=94, Resulting Numbers: [94] 94,17 unequal: No Solution Exploring Operation: 71-23=48, Resulting Numbers: [48] 48,17 unequal: No Solution No 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: 17:[71, 41], Operations: ['78-7=71', '9+32=41'] Exploring Operation: 71*41=2911, Resulting Numbers: [2911] 2911,17 unequal: No Solution Exploring Operation: 71+41=112, Resulting Numbers: [112] 112,17 unequal: No Solution Exploring Operation: 71-41=30, Resulting Numbers: [30] 30,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 17:[32, 80], Operations: ['78-7=71', '9+71=80'] Exploring Operation: 80-32=48, Resulting Numbers: [48] 48,17 unequal: No Solution Exploring Operation: 32*80=2560, Resulting Numbers: [2560] 2560,17 unequal: No Solution Exploring Operation: 32+80=112, Resulting Numbers: [112] 112,17 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: 17:[32, 78, 16], Operations: ['7+9=16'] Exploring Operation: 32-16=16, Resulting Numbers: [78, 16] Generated Node #0,4,0: 17:[78, 16] Operation: 32-16=16 Exploring Operation: 32+16=48, Resulting Numbers: [78, 48] Generated Node #0,4,1: 17:[78, 48] Operation: 32+16=48 Exploring Operation: 78-32=46, Resulting Numbers: [16, 46] Generated Node #0,4,2: 17:[16, 46] Operation: 78-32=46 Exploring Operation: 78-16=62, Resulting Numbers: [32, 62] Generated Node #0,4,3: 17:[32, 62] Operation: 78-16=62 Exploring Operation: 32/16=2, Resulting Numbers: [78, 2] Generated Node #0,4,4: 17:[78, 2] Operation: 32/16=2 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 17:[16, 46], Operations: ['7+9=16', '78-32=46'] Exploring Operation: 16*46=736, Resulting Numbers: [736] 736,17 unequal: No Solution Exploring Operation: 16+46=62, Resulting Numbers: [62] 62,17 unequal: No Solution Exploring Operation: 46-16=30, Resulting Numbers: [30] 30,17 unequal: No Solution No 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: 17:[32, 62], Operations: ['7+9=16', '78-16=62'] Exploring Operation: 62-32=30, Resulting Numbers: [30] 30,17 unequal: No Solution Exploring Operation: 32+62=94, Resulting Numbers: [94] 94,17 unequal: No Solution Exploring Operation: 32*62=1984, Resulting Numbers: [1984] 1984,17 unequal: No Solution No 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: 17:[78, 16], Operations: ['7+9=16', '32-16=16'] Exploring Operation: 78+16=94, Resulting Numbers: [94] 94,17 unequal: No Solution Exploring Operation: 78-16=62, Resulting Numbers: [62] 62,17 unequal: No Solution Exploring Operation: 78*16=1248, Resulting Numbers: [1248] 1248,17 unequal: No Solution No 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: 17:[78, 2], Operations: ['7+9=16', '32/16=2'] Exploring Operation: 78*2=156, Resulting Numbers: [156] 156,17 unequal: No Solution Exploring Operation: 78/2=39, Resulting Numbers: [39] 39,17 unequal: No Solution Exploring Operation: 78-2=76, Resulting Numbers: [76] 76,17 unequal: No Solution Exploring Operation: 78+2=80, Resulting Numbers: [80] 80,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 17:[78, 48], Operations: ['7+9=16', '32+16=48'] Exploring Operation: 78-48=30, Resulting Numbers: [30] 30,17 unequal: No Solution Exploring Operation: 78+48=126, Resulting Numbers: [126] 126,17 unequal: No Solution Exploring Operation: 78*48=3744, Resulting Numbers: [3744] 3744,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 78, 63, 99, 64 ]
50
[ "78-63=15", "99-64=35", "15+35=50" ]
Current State: 50:[78, 63, 99, 64], Operations: [] Exploring Operation: 78-63=15, Resulting Numbers: [99, 64, 15] Generated Node #2: [99, 64, 15] from Operation: 78-63=15 Current State: 50:[99, 64, 15], Operations: ['78-63=15'] Exploring Operation: 99-64=35, Resulting Numbers: [15, 35] Generated Node #3: [15, 35] from Operation: 99-64=35 Current State: 50:[15, 35], Operations: ['78-63=15', '99-64=35'] Exploring Operation: 15+35=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[78, 63, 99, 64], Operations: [] Exploring Operation: 99-64=35, Resulting Numbers: [78, 63, 35] Generated Node #0,0: 50:[78, 63, 35] Operation: 99-64=35 Exploring Operation: 99-78=21, Resulting Numbers: [63, 64, 21] Generated Node #0,1: 50:[63, 64, 21] Operation: 99-78=21 Exploring Operation: 78-64=14, Resulting Numbers: [63, 99, 14] Generated Node #0,2: 50:[63, 99, 14] Operation: 78-64=14 Exploring Operation: 99-63=36, Resulting Numbers: [78, 64, 36] Generated Node #0,3: 50:[78, 64, 36] Operation: 99-63=36 Moving to Node #0,1 Current State: 50:[63, 64, 21], Operations: ['99-78=21'] Exploring Operation: 63/21=3, Resulting Numbers: [64, 3] Generated Node #0,1,0: 50:[64, 3] Operation: 63/21=3 Exploring Operation: 63-21=42, Resulting Numbers: [64, 42] Generated Node #0,1,1: 50:[64, 42] Operation: 63-21=42 Exploring Operation: 64-63=1, Resulting Numbers: [21, 1] Generated Node #0,1,2: 50:[21, 1] Operation: 64-63=1 Exploring Operation: 64-21=43, Resulting Numbers: [63, 43] Generated Node #0,1,3: 50:[63, 43] Operation: 64-21=43 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 50:[21, 1], Operations: ['99-78=21', '64-63=1'] Exploring Operation: 21/1=21, Resulting Numbers: [21] 21,50 unequal: No Solution Exploring Operation: 21+1=22, Resulting Numbers: [22] 22,50 unequal: No Solution Exploring Operation: 21*1=21, Resulting Numbers: [21] 21,50 unequal: No Solution Exploring Operation: 21-1=20, Resulting Numbers: [20] 20,50 unequal: No Solution No 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: 50:[64, 3], Operations: ['99-78=21', '63/21=3'] Exploring Operation: 64+3=67, Resulting Numbers: [67] 67,50 unequal: No Solution Exploring Operation: 64*3=192, Resulting Numbers: [192] 192,50 unequal: No Solution Exploring Operation: 64-3=61, Resulting Numbers: [61] 61,50 unequal: No Solution No 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: 50:[63, 43], Operations: ['99-78=21', '64-21=43'] Exploring Operation: 63*43=2709, Resulting Numbers: [2709] 2709,50 unequal: No Solution Exploring Operation: 63-43=20, Resulting Numbers: [20] 20,50 unequal: No Solution Exploring Operation: 63+43=106, Resulting Numbers: [106] 106,50 unequal: No Solution No 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: 50:[64, 42], Operations: ['99-78=21', '63-21=42'] Exploring Operation: 64-42=22, Resulting Numbers: [22] 22,50 unequal: No Solution Exploring Operation: 64+42=106, Resulting Numbers: [106] 106,50 unequal: No Solution Exploring Operation: 64*42=2688, Resulting Numbers: [2688] 2688,50 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: 50:[78, 63, 35], Operations: ['99-64=35'] Exploring Operation: 63-35=28, Resulting Numbers: [78, 28] Generated Node #0,0,0: 50:[78, 28] Operation: 63-35=28 Exploring Operation: 78-63=15, Resulting Numbers: [35, 15] Generated Node #0,0,1: 50:[35, 15] Operation: 78-63=15 Exploring Operation: 78-35=43, Resulting Numbers: [63, 43] Generated Node #0,0,2: 50:[63, 43] Operation: 78-35=43 Exploring Operation: 78+35=113, Resulting Numbers: [63, 113] Generated Node #0,0,3: 50:[63, 113] Operation: 78+35=113 Moving to Node #0,3 Current State: 50:[78, 64, 36], Operations: ['99-63=36'] Exploring Operation: 64-36=28, Resulting Numbers: [78, 28] Generated Node #0,3,0: 50:[78, 28] Operation: 64-36=28 Exploring Operation: 78-64=14, Resulting Numbers: [36, 14] Generated Node #0,3,1: 50:[36, 14] Operation: 78-64=14 Exploring Operation: 78+36=114, Resulting Numbers: [64, 114] Generated Node #0,3,2: 50:[64, 114] Operation: 78+36=114 Exploring Operation: 78-36=42, Resulting Numbers: [64, 42] Generated Node #0,3,3: 50:[64, 42] Operation: 78-36=42 Moving to Node #0,2 Current State: 50:[63, 99, 14], Operations: ['78-64=14'] Exploring Operation: 99-63=36, Resulting Numbers: [14, 36] Generated Node #0,2,0: 50:[14, 36] Operation: 99-63=36 Exploring Operation: 99-14=85, Resulting Numbers: [63, 85] Generated Node #0,2,1: 50:[63, 85] Operation: 99-14=85 Exploring Operation: 63-14=49, Resulting Numbers: [99, 49] Generated Node #0,2,2: 50:[99, 49] Operation: 63-14=49 Exploring Operation: 63+14=77, Resulting Numbers: [99, 77] Generated Node #0,2,3: 50:[99, 77] Operation: 63+14=77 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 50:[14, 36], Operations: ['78-64=14', '99-63=36'] Exploring Operation: 14*36=504, Resulting Numbers: [504] 504,50 unequal: No Solution Exploring Operation: 14+36=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[78, 63, 99, 64], Operations: [] Exploring Operation: 78-64=14, Resulting Numbers: [63, 99, 14] Generated Node #0,2: 50:[63, 99, 14] Operation: 78-64=14 Moving to Node #0,2 Current State: 50:[63, 99, 14], Operations: ['78-64=14'] Exploring Operation: 99-63=36, Resulting Numbers: [14, 36] Generated Node #0,2,0: 50:[14, 36] Operation: 99-63=36 Moving to Node #0,2,0 Current State: 50:[14, 36], Operations: ['78-64=14', '99-63=36'] Exploring Operation: 14+36=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.966146
hs_4
mult_heuristic
[ 40, 77, 80, 25 ]
51
[ "40*80=3200", "3200/25=128", "128-77=51" ]
Current State: 51:[40, 77, 80, 25], Operations: [] Exploring Operation: 40*80=3200, Resulting Numbers: [77, 25, 3200] Generated Node #2: [77, 25, 3200] from Operation: 40*80=3200 Current State: 51:[77, 25, 3200], Operations: ['40*80=3200'] Exploring Operation: 3200/25=128, Resulting Numbers: [77, 128] Generated Node #3: [77, 128] from Operation: 3200/25=128 Current State: 51:[77, 128], Operations: ['40*80=3200', '3200/25=128'] Exploring Operation: 128-77=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[40, 77, 80, 25], Operations: [] Exploring Operation: 80/40=2, Resulting Numbers: [77, 25, 2] Generated Node #0,0: 51:[77, 25, 2] Operation: 80/40=2 Exploring Operation: 80-77=3, Resulting Numbers: [40, 25, 3] Generated Node #0,1: 51:[40, 25, 3] Operation: 80-77=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[40, 25, 3], Operations: ['80-77=3'] Exploring Operation: 40+25=65, Resulting Numbers: [3, 65] Generated Node #0,1,0: 51:[3, 65] Operation: 40+25=65 Exploring Operation: 40-25=15, Resulting Numbers: [3, 15] Generated Node #0,1,1: 51:[3, 15] Operation: 40-25=15 Moving to Node #0,1,1 Current State: 51:[3, 15], Operations: ['80-77=3', '40-25=15'] Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,51 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,51 unequal: No Solution Moving to Node #0,1,0 Current State: 51:[3, 65], Operations: ['80-77=3', '40+25=65'] Exploring Operation: 3+65=68, Resulting Numbers: [68] 68,51 unequal: No Solution Exploring Operation: 65-3=62, Resulting Numbers: [62] 62,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[77, 25, 2], Operations: ['80/40=2'] Exploring Operation: 25*2=50, Resulting Numbers: [77, 50] Generated Node #0,0,0: 51:[77, 50] Operation: 25*2=50 Exploring Operation: 77-25=52, Resulting Numbers: [2, 52] Generated Node #0,0,1: 51:[2, 52] Operation: 77-25=52 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 51:[2, 52], Operations: ['80/40=2', '77-25=52'] Exploring Operation: 2+52=54, Resulting Numbers: [54] 54,51 unequal: No Solution Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 51:[77, 50], Operations: ['80/40=2', '25*2=50'] Exploring Operation: 77-50=27, Resulting Numbers: [27] 27,51 unequal: No Solution Exploring Operation: 77+50=127, Resulting Numbers: [127] 127,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 9, 81, 19, 90 ]
52
[ "90/9=10", "81-19=62", "62-10=52" ]
Current State: 52:[9, 81, 19, 90], Operations: [] Exploring Operation: 90/9=10, Resulting Numbers: [81, 19, 10] Generated Node #2: [81, 19, 10] from Operation: 90/9=10 Current State: 52:[81, 19, 10], Operations: ['90/9=10'] Exploring Operation: 81-19=62, Resulting Numbers: [10, 62] Generated Node #3: [10, 62] from Operation: 81-19=62 Current State: 52:[10, 62], Operations: ['90/9=10', '81-19=62'] Exploring Operation: 62-10=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[9, 81, 19, 90], Operations: [] Exploring Operation: 90-19=71, Resulting Numbers: [9, 81, 71] Generated Node #0,0: 52:[9, 81, 71] Operation: 90-19=71 Exploring Operation: 81-19=62, Resulting Numbers: [9, 90, 62] Generated Node #0,1: 52:[9, 90, 62] Operation: 81-19=62 Exploring Operation: 90/9=10, Resulting Numbers: [81, 19, 10] Generated Node #0,2: 52:[81, 19, 10] Operation: 90/9=10 Exploring Operation: 81/9=9, Resulting Numbers: [19, 90, 9] Generated Node #0,3: 52:[19, 90, 9] Operation: 81/9=9 Exploring Operation: 90-81=9, Resulting Numbers: [9, 19, 9] Generated Node #0,4: 52:[9, 19, 9] Operation: 90-81=9 Moving to Node #0,4 Current State: 52:[9, 19, 9], Operations: ['90-81=9'] Exploring Operation: 19-9=10, Resulting Numbers: [9, 10] Generated Node #0,4,0: 52:[9, 10] Operation: 19-9=10 Exploring Operation: 9+19=28, Resulting Numbers: [9, 28] Generated Node #0,4,1: 52:[9, 28] Operation: 9+19=28 Exploring Operation: 9/9=1, Resulting Numbers: [19, 1] Generated Node #0,4,2: 52:[19, 1] Operation: 9/9=1 Exploring Operation: 19-9=10, Resulting Numbers: [9, 10] Generated Node #0,4,3: 52:[9, 10] Operation: 19-9=10 Exploring Operation: 19+9=28, Resulting Numbers: [9, 28] Generated Node #0,4,4: 52:[9, 28] Operation: 19+9=28 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 52:[9, 28], Operations: ['90-81=9', '9+19=28'] Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,52 unequal: No Solution Exploring Operation: 9*28=252, Resulting Numbers: [252] 252,52 unequal: No Solution Exploring Operation: 9+28=37, Resulting Numbers: [37] 37,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 52:[9, 28], Operations: ['90-81=9', '19+9=28'] Exploring Operation: 9*28=252, Resulting Numbers: [252] 252,52 unequal: No Solution Exploring Operation: 9+28=37, Resulting Numbers: [37] 37,52 unequal: No Solution Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 52:[9, 10], Operations: ['90-81=9', '19-9=10'] Exploring Operation: 9*10=90, Resulting Numbers: [90] 90,52 unequal: No Solution Exploring Operation: 9+10=19, Resulting Numbers: [19] 19,52 unequal: No Solution Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 52:[19, 1], Operations: ['90-81=9', '9/9=1'] Exploring Operation: 19*1=19, Resulting Numbers: [19] 19,52 unequal: No Solution Exploring Operation: 19-1=18, Resulting Numbers: [18] 18,52 unequal: No Solution Exploring Operation: 19+1=20, Resulting Numbers: [20] 20,52 unequal: No Solution Exploring Operation: 19/1=19, Resulting Numbers: [19] 19,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 52:[9, 10], Operations: ['90-81=9', '19-9=10'] Exploring Operation: 9*10=90, Resulting Numbers: [90] 90,52 unequal: No Solution Exploring Operation: 9+10=19, Resulting Numbers: [19] 19,52 unequal: No Solution Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,52 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: 52:[81, 19, 10], Operations: ['90/9=10'] Exploring Operation: 81+10=91, Resulting Numbers: [19, 91] Generated Node #0,2,0: 52:[19, 91] Operation: 81+10=91 Exploring Operation: 19+10=29, Resulting Numbers: [81, 29] Generated Node #0,2,1: 52:[81, 29] Operation: 19+10=29 Exploring Operation: 19-10=9, Resulting Numbers: [81, 9] Generated Node #0,2,2: 52:[81, 9] Operation: 19-10=9 Exploring Operation: 81-10=71, Resulting Numbers: [19, 71] Generated Node #0,2,3: 52:[19, 71] Operation: 81-10=71 Exploring Operation: 81-19=62, Resulting Numbers: [10, 62] Generated Node #0,2,4: 52:[10, 62] Operation: 81-19=62 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 52:[10, 62], Operations: ['90/9=10', '81-19=62'] Exploring Operation: 62-10=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[9, 81, 19, 90], Operations: [] Exploring Operation: 90/9=10, Resulting Numbers: [81, 19, 10] Generated Node #0,2: 52:[81, 19, 10] Operation: 90/9=10 Moving to Node #0,2 Current State: 52:[81, 19, 10], Operations: ['90/9=10'] Exploring Operation: 81-19=62, Resulting Numbers: [10, 62] Generated Node #0,2,4: 52:[10, 62] Operation: 81-19=62 Moving to Node #0,2,4 Current State: 52:[10, 62], Operations: ['90/9=10', '81-19=62'] Exploring Operation: 62-10=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_5
mult_heuristic
[ 1, 10, 39, 62 ]
91
[ "1*10=10", "39+62=101", "101-10=91" ]
Current State: 91:[1, 10, 39, 62], Operations: [] Exploring Operation: 1*10=10, Resulting Numbers: [39, 62, 10] Generated Node #2: [39, 62, 10] from Operation: 1*10=10 Current State: 91:[39, 62, 10], Operations: ['1*10=10'] Exploring Operation: 39+62=101, Resulting Numbers: [10, 101] Generated Node #3: [10, 101] from Operation: 39+62=101 Current State: 91:[10, 101], Operations: ['1*10=10', '39+62=101'] Exploring Operation: 101-10=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[1, 10, 39, 62], Operations: [] Exploring Operation: 39+62=101, Resulting Numbers: [1, 10, 101] Generated Node #0,0: 91:[1, 10, 101] Operation: 39+62=101 Moving to Node #0,0 Current State: 91:[1, 10, 101], Operations: ['39+62=101'] Exploring Operation: 101-10=91, Resulting Numbers: [1, 91] Generated Node #0,0,0: 91:[1, 91] Operation: 101-10=91 Moving to Node #0,0,0 Current State: 91:[1, 91], Operations: ['39+62=101', '101-10=91'] Exploring Operation: 1*91=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[1, 10, 39, 62], Operations: [] Exploring Operation: 39+62=101, Resulting Numbers: [1, 10, 101] Generated Node #0,0: 91:[1, 10, 101] Operation: 39+62=101 Moving to Node #0,0 Current State: 91:[1, 10, 101], Operations: ['39+62=101'] Exploring Operation: 101-10=91, Resulting Numbers: [1, 91] Generated Node #0,0,0: 91:[1, 91] Operation: 101-10=91 Moving to Node #0,0,0 Current State: 91:[1, 91], Operations: ['39+62=101', '101-10=91'] Exploring Operation: 1*91=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 98, 2, 64, 33 ]
50
[ "98-64=34", "34/2=17", "33+17=50" ]
Current State: 50:[98, 2, 64, 33], Operations: [] Exploring Operation: 98-64=34, Resulting Numbers: [2, 33, 34] Generated Node #2: [2, 33, 34] from Operation: 98-64=34 Current State: 50:[2, 33, 34], Operations: ['98-64=34'] Exploring Operation: 34/2=17, Resulting Numbers: [33, 17] Generated Node #3: [33, 17] from Operation: 34/2=17 Current State: 50:[33, 17], Operations: ['98-64=34', '34/2=17'] Exploring Operation: 33+17=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[98, 2, 64, 33], Operations: [] Exploring Operation: 64-33=31, Resulting Numbers: [98, 2, 31] Generated Node #0,0: 50:[98, 2, 31] Operation: 64-33=31 Exploring Operation: 98/2=49, Resulting Numbers: [64, 33, 49] Generated Node #0,1: 50:[64, 33, 49] Operation: 98/2=49 Exploring Operation: 98-64=34, Resulting Numbers: [2, 33, 34] Generated Node #0,2: 50:[2, 33, 34] Operation: 98-64=34 Exploring Operation: 98-33=65, Resulting Numbers: [2, 64, 65] Generated Node #0,3: 50:[2, 64, 65] Operation: 98-33=65 Exploring Operation: 64/2=32, Resulting Numbers: [98, 33, 32] Generated Node #0,4: 50:[98, 33, 32] Operation: 64/2=32 Moving to Node #0,2 Current State: 50:[2, 33, 34], Operations: ['98-64=34'] Exploring Operation: 33-2=31, Resulting Numbers: [34, 31] Generated Node #0,2,0: 50:[34, 31] Operation: 33-2=31 Exploring Operation: 33+34=67, Resulting Numbers: [2, 67] Generated Node #0,2,1: 50:[2, 67] Operation: 33+34=67 Exploring Operation: 34/2=17, Resulting Numbers: [33, 17] Generated Node #0,2,2: 50:[33, 17] Operation: 34/2=17 Exploring Operation: 34-2=32, Resulting Numbers: [33, 32] Generated Node #0,2,3: 50:[33, 32] Operation: 34-2=32 Exploring Operation: 34-33=1, Resulting Numbers: [2, 1] Generated Node #0,2,4: 50:[2, 1] Operation: 34-33=1 Moving to Node #0,1 Current State: 50:[64, 33, 49], Operations: ['98/2=49'] Exploring Operation: 64-49=15, Resulting Numbers: [33, 15] Generated Node #0,1,0: 50:[33, 15] Operation: 64-49=15 Exploring Operation: 33+49=82, Resulting Numbers: [64, 82] Generated Node #0,1,1: 50:[64, 82] Operation: 33+49=82 Exploring Operation: 64+33=97, Resulting Numbers: [49, 97] Generated Node #0,1,2: 50:[49, 97] Operation: 64+33=97 Exploring Operation: 49-33=16, Resulting Numbers: [64, 16] Generated Node #0,1,3: 50:[64, 16] Operation: 49-33=16 Exploring Operation: 64-33=31, Resulting Numbers: [49, 31] Generated Node #0,1,4: 50:[49, 31] Operation: 64-33=31 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 50:[49, 31], Operations: ['98/2=49', '64-33=31'] Exploring Operation: 49*31=1519, Resulting Numbers: [1519] 1519,50 unequal: No Solution Exploring Operation: 49+31=80, Resulting Numbers: [80] 80,50 unequal: No Solution Exploring Operation: 49-31=18, Resulting Numbers: [18] 18,50 unequal: No Solution No 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: 50:[33, 15], Operations: ['98/2=49', '64-49=15'] Exploring Operation: 33-15=18, Resulting Numbers: [18] 18,50 unequal: No Solution Exploring Operation: 33+15=48, Resulting Numbers: [48] 48,50 unequal: No Solution Exploring Operation: 33*15=495, Resulting Numbers: [495] 495,50 unequal: No Solution No 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: 50:[64, 16], Operations: ['98/2=49', '49-33=16'] Exploring Operation: 64*16=1024, Resulting Numbers: [1024] 1024,50 unequal: No Solution Exploring Operation: 64+16=80, Resulting Numbers: [80] 80,50 unequal: No Solution Exploring Operation: 64/16=4, Resulting Numbers: [4] 4,50 unequal: No Solution Exploring Operation: 64-16=48, Resulting Numbers: [48] 48,50 unequal: No Solution No 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: 50:[64, 82], Operations: ['98/2=49', '33+49=82'] Exploring Operation: 64*82=5248, Resulting Numbers: [5248] 5248,50 unequal: No Solution Exploring Operation: 64+82=146, Resulting Numbers: [146] 146,50 unequal: No Solution Exploring Operation: 82-64=18, Resulting Numbers: [18] 18,50 unequal: No Solution No 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: 50:[49, 97], Operations: ['98/2=49', '64+33=97'] Exploring Operation: 49*97=4753, Resulting Numbers: [4753] 4753,50 unequal: No Solution Exploring Operation: 49+97=146, Resulting Numbers: [146] 146,50 unequal: No Solution Exploring Operation: 97-49=48, Resulting Numbers: [48] 48,50 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: 50:[2, 64, 65], Operations: ['98-33=65'] Exploring Operation: 2+64=66, Resulting Numbers: [65, 66] Generated Node #0,3,0: 50:[65, 66] Operation: 2+64=66 Exploring Operation: 65-2=63, Resulting Numbers: [64, 63] Generated Node #0,3,1: 50:[64, 63] Operation: 65-2=63 Exploring Operation: 65-64=1, Resulting Numbers: [2, 1] Generated Node #0,3,2: 50:[2, 1] Operation: 65-64=1 Exploring Operation: 64-2=62, Resulting Numbers: [65, 62] Generated Node #0,3,3: 50:[65, 62] Operation: 64-2=62 Exploring Operation: 64/2=32, Resulting Numbers: [65, 32] Generated Node #0,3,4: 50:[65, 32] Operation: 64/2=32 Moving to Node #0,0 Current State: 50:[98, 2, 31], Operations: ['64-33=31'] Exploring Operation: 98/2=49, Resulting Numbers: [31, 49] Generated Node #0,0,0: 50:[31, 49] Operation: 98/2=49 Exploring Operation: 31-2=29, Resulting Numbers: [98, 29] Generated Node #0,0,1: 50:[98, 29] Operation: 31-2=29 Exploring Operation: 98+2=100, Resulting Numbers: [31, 100] Generated Node #0,0,2: 50:[31, 100] Operation: 98+2=100 Exploring Operation: 98-31=67, Resulting Numbers: [2, 67] Generated Node #0,0,3: 50:[2, 67] Operation: 98-31=67 Exploring Operation: 98-2=96, Resulting Numbers: [31, 96] Generated Node #0,0,4: 50:[31, 96] Operation: 98-2=96 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 50:[31, 49], Operations: ['64-33=31', '98/2=49'] Exploring Operation: 31*49=1519, Resulting Numbers: [1519] 1519,50 unequal: No Solution Exploring Operation: 49-31=18, Resulting Numbers: [18] 18,50 unequal: No Solution Exploring Operation: 31+49=80, Resulting Numbers: [80] 80,50 unequal: No Solution No 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: 50:[2, 67], Operations: ['64-33=31', '98-31=67'] Exploring Operation: 2*67=134, Resulting Numbers: [134] 134,50 unequal: No Solution Exploring Operation: 2+67=69, Resulting Numbers: [69] 69,50 unequal: No Solution Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,50 unequal: No Solution No 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: 50:[98, 29], Operations: ['64-33=31', '31-2=29'] Exploring Operation: 98*29=2842, Resulting Numbers: [2842] 2842,50 unequal: No Solution Exploring Operation: 98-29=69, Resulting Numbers: [69] 69,50 unequal: No Solution Exploring Operation: 98+29=127, Resulting Numbers: [127] 127,50 unequal: No Solution No 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: 50:[31, 96], Operations: ['64-33=31', '98-2=96'] Exploring Operation: 31*96=2976, Resulting Numbers: [2976] 2976,50 unequal: No Solution Exploring Operation: 31+96=127, Resulting Numbers: [127] 127,50 unequal: No Solution Exploring Operation: 96-31=65, Resulting Numbers: [65] 65,50 unequal: No Solution No 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: 50:[31, 100], Operations: ['64-33=31', '98+2=100'] Exploring Operation: 31*100=3100, Resulting Numbers: [3100] 3100,50 unequal: No Solution Exploring Operation: 31+100=131, Resulting Numbers: [131] 131,50 unequal: No Solution Exploring Operation: 100-31=69, Resulting Numbers: [69] 69,50 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: 50:[98, 33, 32], Operations: ['64/2=32'] Exploring Operation: 98+33=131, Resulting Numbers: [32, 131] Generated Node #0,4,0: 50:[32, 131] Operation: 98+33=131 Exploring Operation: 33+32=65, Resulting Numbers: [98, 65] Generated Node #0,4,1: 50:[98, 65] Operation: 33+32=65 Exploring Operation: 98-33=65, Resulting Numbers: [32, 65] Generated Node #0,4,2: 50:[32, 65] Operation: 98-33=65 Exploring Operation: 33-32=1, Resulting Numbers: [98, 1] Generated Node #0,4,3: 50:[98, 1] Operation: 33-32=1 Exploring Operation: 98-32=66, Resulting Numbers: [33, 66] Generated Node #0,4,4: 50:[33, 66] Operation: 98-32=66 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 50:[32, 65], Operations: ['64/2=32', '98-33=65'] Exploring Operation: 65-32=33, Resulting Numbers: [33] 33,50 unequal: No Solution Exploring Operation: 32*65=2080, Resulting Numbers: [2080] 2080,50 unequal: No Solution Exploring Operation: 32+65=97, Resulting Numbers: [97] 97,50 unequal: No Solution No 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: 50:[33, 66], Operations: ['64/2=32', '98-32=66'] Exploring Operation: 33*66=2178, Resulting Numbers: [2178] 2178,50 unequal: No Solution Exploring Operation: 66/33=2, Resulting Numbers: [2] 2,50 unequal: No Solution Exploring Operation: 66-33=33, Resulting Numbers: [33] 33,50 unequal: No Solution Exploring Operation: 33+66=99, Resulting Numbers: [99] 99,50 unequal: No Solution No 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: 50:[98, 1], Operations: ['64/2=32', '33-32=1'] Exploring Operation: 98-1=97, Resulting Numbers: [97] 97,50 unequal: No Solution Exploring Operation: 98+1=99, Resulting Numbers: [99] 99,50 unequal: No Solution Exploring Operation: 98*1=98, Resulting Numbers: [98] 98,50 unequal: No Solution Exploring Operation: 98/1=98, Resulting Numbers: [98] 98,50 unequal: No Solution No 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: 50:[98, 65], Operations: ['64/2=32', '33+32=65'] Exploring Operation: 98-65=33, Resulting Numbers: [33] 33,50 unequal: No Solution Exploring Operation: 98+65=163, Resulting Numbers: [163] 163,50 unequal: No Solution Exploring Operation: 98*65=6370, Resulting Numbers: [6370] 6370,50 unequal: No Solution No 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: 50:[32, 131], Operations: ['64/2=32', '98+33=131'] Exploring Operation: 32*131=4192, Resulting Numbers: [4192] 4192,50 unequal: No Solution Exploring Operation: 131-32=99, Resulting Numbers: [99] 99,50 unequal: No Solution Exploring Operation: 32+131=163, Resulting Numbers: [163] 163,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,4 Current State: 50:[2, 1], Operations: ['98-64=34', '34-33=1'] Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,50 unequal: No Solution Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,50 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,50 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,50 unequal: No Solution Moving to Node #0,3,2 Current State: 50:[2, 1], Operations: ['98-33=65', '65-64=1'] Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,50 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,50 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,50 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,50 unequal: No Solution Moving to Node #0,2,2 Current State: 50:[33, 17], Operations: ['98-64=34', '34/2=17'] Exploring Operation: 33-17=16, Resulting Numbers: [16] 16,50 unequal: No Solution Exploring Operation: 33*17=561, Resulting Numbers: [561] 561,50 unequal: No Solution Exploring Operation: 33+17=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[98, 2, 64, 33], Operations: [] Exploring Operation: 98-64=34, Resulting Numbers: [2, 33, 34] Generated Node #0,2: 50:[2, 33, 34] Operation: 98-64=34 Moving to Node #0,2 Current State: 50:[2, 33, 34], Operations: ['98-64=34'] Exploring Operation: 34/2=17, Resulting Numbers: [33, 17] Generated Node #0,2,2: 50:[33, 17] Operation: 34/2=17 Moving to Node #0,2,2 Current State: 50:[33, 17], Operations: ['98-64=34', '34/2=17'] Exploring Operation: 33+17=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
0.919271
hs_5
sum_heuristic
[ 73, 70, 25, 17 ]
24
[ "73-70=3", "25-17=8", "3*8=24" ]
Current State: 24:[73, 70, 25, 17], Operations: [] Exploring Operation: 73-70=3, Resulting Numbers: [25, 17, 3] Generated Node #2: [25, 17, 3] from Operation: 73-70=3 Current State: 24:[25, 17, 3], Operations: ['73-70=3'] Exploring Operation: 25-17=8, Resulting Numbers: [3, 8] Generated Node #3: [3, 8] from Operation: 25-17=8 Current State: 24:[3, 8], Operations: ['73-70=3', '25-17=8'] Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[73, 70, 25, 17], Operations: [] Exploring Operation: 70-25=45, Resulting Numbers: [73, 17, 45] Generated Node #0,0: 24:[73, 17, 45] Operation: 70-25=45 Exploring Operation: 73-70=3, Resulting Numbers: [25, 17, 3] Generated Node #0,1: 24:[25, 17, 3] Operation: 73-70=3 Exploring Operation: 73-17=56, Resulting Numbers: [70, 25, 56] Generated Node #0,2: 24:[70, 25, 56] Operation: 73-17=56 Exploring Operation: 73-25=48, Resulting Numbers: [70, 17, 48] Generated Node #0,3: 24:[70, 17, 48] Operation: 73-25=48 Moving to Node #0,1 Current State: 24:[25, 17, 3], Operations: ['73-70=3'] Exploring Operation: 25-3=22, Resulting Numbers: [17, 22] Generated Node #0,1,0: 24:[17, 22] Operation: 25-3=22 Exploring Operation: 25-17=8, Resulting Numbers: [3, 8] Generated Node #0,1,1: 24:[3, 8] Operation: 25-17=8 Exploring Operation: 17+3=20, Resulting Numbers: [25, 20] Generated Node #0,1,2: 24:[25, 20] Operation: 17+3=20 Exploring Operation: 17-3=14, Resulting Numbers: [25, 14] Generated Node #0,1,3: 24:[25, 14] Operation: 17-3=14 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 24:[3, 8], Operations: ['73-70=3', '25-17=8'] Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,24 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[73, 70, 25, 17], Operations: [] Exploring Operation: 73-70=3, Resulting Numbers: [25, 17, 3] Generated Node #0,1: 24:[25, 17, 3] Operation: 73-70=3 Moving to Node #0,1 Current State: 24:[25, 17, 3], Operations: ['73-70=3'] Exploring Operation: 25-17=8, Resulting Numbers: [3, 8] Generated Node #0,1,1: 24:[3, 8] Operation: 25-17=8 Moving to Node #0,1,1 Current State: 24:[3, 8], Operations: ['73-70=3', '25-17=8'] Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 70, 5, 97, 46 ]
24
[ "70+5=75", "97-46=51", "75-51=24" ]
Current State: 24:[70, 5, 97, 46], Operations: [] Exploring Operation: 70+5=75, Resulting Numbers: [97, 46, 75] Generated Node #2: [97, 46, 75] from Operation: 70+5=75 Current State: 24:[97, 46, 75], Operations: ['70+5=75'] Exploring Operation: 97-46=51, Resulting Numbers: [75, 51] Generated Node #3: [75, 51] from Operation: 97-46=51 Current State: 24:[75, 51], Operations: ['70+5=75', '97-46=51'] Exploring Operation: 75-51=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[70, 5, 97, 46], Operations: [] Exploring Operation: 97-70=27, Resulting Numbers: [5, 46, 27] Generated Node #0,0: 24:[5, 46, 27] Operation: 97-70=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[5, 46, 27], Operations: ['97-70=27'] Exploring Operation: 46-27=19, Resulting Numbers: [5, 19] Generated Node #0,0,0: 24:[5, 19] Operation: 46-27=19 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 24:[5, 19], Operations: ['97-70=27', '46-27=19'] Exploring Operation: 5+19=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[70, 5, 97, 46], Operations: [] Exploring Operation: 97-70=27, Resulting Numbers: [5, 46, 27] Generated Node #0,0: 24:[5, 46, 27] Operation: 97-70=27 Moving to Node #0,0 Current State: 24:[5, 46, 27], Operations: ['97-70=27'] Exploring Operation: 46-27=19, Resulting Numbers: [5, 19] Generated Node #0,0,0: 24:[5, 19] Operation: 46-27=19 Moving to Node #0,0,0 Current State: 24:[5, 19], Operations: ['97-70=27', '46-27=19'] Exploring Operation: 5+19=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 24, 61, 73, 2 ]
91
[ "61+73=134", "134/2=67", "24+67=91" ]
Current State: 91:[24, 61, 73, 2], Operations: [] Exploring Operation: 61+73=134, Resulting Numbers: [24, 2, 134] Generated Node #2: [24, 2, 134] from Operation: 61+73=134 Current State: 91:[24, 2, 134], Operations: ['61+73=134'] Exploring Operation: 134/2=67, Resulting Numbers: [24, 67] Generated Node #3: [24, 67] from Operation: 134/2=67 Current State: 91:[24, 67], Operations: ['61+73=134', '134/2=67'] Exploring Operation: 24+67=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[24, 61, 73, 2], Operations: [] Exploring Operation: 73-61=12, Resulting Numbers: [24, 2, 12] Generated Node #0,0: 91:[24, 2, 12] Operation: 73-61=12 Moving to Node #0,0 Current State: 91:[24, 2, 12], Operations: ['73-61=12'] Exploring Operation: 24/2=12, Resulting Numbers: [12, 12] Generated Node #0,0,0: 91:[12, 12] Operation: 24/2=12 Moving to Node #0,0,0 Current State: 91:[12, 12], Operations: ['73-61=12', '24/2=12'] Exploring Operation: 12/12=1, Resulting Numbers: [1] 1,91 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 92, 20, 11, 92 ]
32
[ "92/92=1", "20+11=31", "1+31=32" ]
Current State: 32:[92, 20, 11, 92], Operations: [] Exploring Operation: 92/92=1, Resulting Numbers: [20, 11, 1] Generated Node #2: [20, 11, 1] from Operation: 92/92=1 Current State: 32:[20, 11, 1], Operations: ['92/92=1'] Exploring Operation: 20+11=31, Resulting Numbers: [1, 31] Generated Node #3: [1, 31] from Operation: 20+11=31 Current State: 32:[1, 31], Operations: ['92/92=1', '20+11=31'] Exploring Operation: 1+31=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[92, 20, 11, 92], Operations: [] Exploring Operation: 92/92=1, Resulting Numbers: [20, 11, 1] Generated Node #0,0: 32:[20, 11, 1] Operation: 92/92=1 Moving to Node #0,0 Current State: 32:[20, 11, 1], Operations: ['92/92=1'] Exploring Operation: 20+11=31, Resulting Numbers: [1, 31] Generated Node #0,0,0: 32:[1, 31] Operation: 20+11=31 Moving to Node #0,0,0 Current State: 32:[1, 31], Operations: ['92/92=1', '20+11=31'] Exploring Operation: 1+31=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[92, 20, 11, 92], Operations: [] Exploring Operation: 92/92=1, Resulting Numbers: [20, 11, 1] Generated Node #0,0: 32:[20, 11, 1] Operation: 92/92=1 Moving to Node #0,0 Current State: 32:[20, 11, 1], Operations: ['92/92=1'] Exploring Operation: 20+11=31, Resulting Numbers: [1, 31] Generated Node #0,0,0: 32:[1, 31] Operation: 20+11=31 Moving to Node #0,0,0 Current State: 32:[1, 31], Operations: ['92/92=1', '20+11=31'] Exploring Operation: 1+31=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 92, 3, 63, 62 ]
88
[ "92-3=89", "63-62=1", "89-1=88" ]
Current State: 88:[92, 3, 63, 62], Operations: [] Exploring Operation: 92-3=89, Resulting Numbers: [63, 62, 89] Generated Node #2: [63, 62, 89] from Operation: 92-3=89 Current State: 88:[63, 62, 89], Operations: ['92-3=89'] Exploring Operation: 63-62=1, Resulting Numbers: [89, 1] Generated Node #3: [89, 1] from Operation: 63-62=1 Current State: 88:[89, 1], Operations: ['92-3=89', '63-62=1'] Exploring Operation: 89-1=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[92, 3, 63, 62], Operations: [] Exploring Operation: 92-63=29, Resulting Numbers: [3, 62, 29] Generated Node #0,0: 88:[3, 62, 29] Operation: 92-63=29 Exploring Operation: 63/3=21, Resulting Numbers: [92, 62, 21] Generated Node #0,1: 88:[92, 62, 21] Operation: 63/3=21 Exploring Operation: 63-62=1, Resulting Numbers: [92, 3, 1] Generated Node #0,2: 88:[92, 3, 1] Operation: 63-62=1 Exploring Operation: 92-62=30, Resulting Numbers: [3, 63, 30] Generated Node #0,3: 88:[3, 63, 30] Operation: 92-62=30 Exploring Operation: 92-3=89, Resulting Numbers: [63, 62, 89] Generated Node #0,4: 88:[63, 62, 89] Operation: 92-3=89 Start Sub Search at level 1: Moving to Node #0,2 Current State: 88:[92, 3, 1], Operations: ['63-62=1'] Exploring Operation: 3+1=4, Resulting Numbers: [92, 4] Generated Node #0,2,0: 88:[92, 4] Operation: 3+1=4 Exploring Operation: 92-3=89, Resulting Numbers: [1, 89] Generated Node #0,2,1: 88:[1, 89] Operation: 92-3=89 Exploring Operation: 92-1=91, Resulting Numbers: [3, 91] Generated Node #0,2,2: 88:[3, 91] Operation: 92-1=91 Exploring Operation: 3-1=2, Resulting Numbers: [92, 2] Generated Node #0,2,3: 88:[92, 2] Operation: 3-1=2 Exploring Operation: 92*1=92, Resulting Numbers: [3, 92] Generated Node #0,2,4: 88:[3, 92] Operation: 92*1=92 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 88:[1, 89], Operations: ['63-62=1', '92-3=89'] Exploring Operation: 89/1=89, Resulting Numbers: [89] 89,88 unequal: No Solution Exploring Operation: 89-1=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[92, 3, 63, 62], Operations: [] Exploring Operation: 63-62=1, Resulting Numbers: [92, 3, 1] Generated Node #0,2: 88:[92, 3, 1] Operation: 63-62=1 Moving to Node #0,2 Current State: 88:[92, 3, 1], Operations: ['63-62=1'] Exploring Operation: 92-3=89, Resulting Numbers: [1, 89] Generated Node #0,2,1: 88:[1, 89] Operation: 92-3=89 Moving to Node #0,2,1 Current State: 88:[1, 89], Operations: ['63-62=1', '92-3=89'] Exploring Operation: 89-1=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 77, 4, 4, 60 ]
91
[ "60-4=56", "56/4=14", "77+14=91" ]
Current State: 91:[77, 4, 4, 60], Operations: [] Exploring Operation: 60-4=56, Resulting Numbers: [77, 56] Generated Node #2: [77, 56] from Operation: 60-4=56 Current State: 91:[77, 56], Operations: ['60-4=56'] Exploring Operation: 56/4=14, Resulting Numbers: [77, 14] Generated Node #3: [77, 14] from Operation: 56/4=14 Current State: 91:[77, 14], Operations: ['60-4=56', '56/4=14'] Exploring Operation: 77+14=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[77, 4, 4, 60], Operations: [] Exploring Operation: 77-60=17, Resulting Numbers: [4, 4, 17] Generated Node #0,0: 91:[4, 4, 17] Operation: 77-60=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[4, 4, 17], Operations: ['77-60=17'] Exploring Operation: 17-4=13, Resulting Numbers: [4, 13] Generated Node #0,0,0: 91:[4, 13] Operation: 17-4=13 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 91:[4, 13], Operations: ['77-60=17', '17-4=13'] Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 85, 36, 77, 20 ]
40
[ "85*36=3060", "20+3060=3080", "3080/77=40" ]
Current State: 40:[85, 36, 77, 20], Operations: [] Exploring Operation: 85*36=3060, Resulting Numbers: [77, 20, 3060] Generated Node #2: [77, 20, 3060] from Operation: 85*36=3060 Current State: 40:[77, 20, 3060], Operations: ['85*36=3060'] Exploring Operation: 20+3060=3080, Resulting Numbers: [77, 3080] Generated Node #3: [77, 3080] from Operation: 20+3060=3080 Current State: 40:[77, 3080], Operations: ['85*36=3060', '20+3060=3080'] Exploring Operation: 3080/77=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[85, 36, 77, 20], Operations: [] Exploring Operation: 85-77=8, Resulting Numbers: [36, 20, 8] Generated Node #0,0: 40:[36, 20, 8] Operation: 85-77=8 Moving to Node #0,0 Current State: 40:[36, 20, 8], Operations: ['85-77=8'] Exploring Operation: 36-20=16, Resulting Numbers: [8, 16] Generated Node #0,0,0: 40:[8, 16] Operation: 36-20=16 Moving to Node #0,0,0 Current State: 40:[8, 16], Operations: ['85-77=8', '36-20=16'] Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,40 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 56, 39, 52, 27 ]
92
[ "52*27=1404", "1404/39=36", "56+36=92" ]
Current State: 92:[56, 39, 52, 27], Operations: [] Exploring Operation: 52*27=1404, Resulting Numbers: [56, 39, 1404] Generated Node #2: [56, 39, 1404] from Operation: 52*27=1404 Current State: 92:[56, 39, 1404], Operations: ['52*27=1404'] Exploring Operation: 1404/39=36, Resulting Numbers: [56, 36] Generated Node #3: [56, 36] from Operation: 1404/39=36 Current State: 92:[56, 36], Operations: ['52*27=1404', '1404/39=36'] Exploring Operation: 56+36=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[56, 39, 52, 27], Operations: [] Exploring Operation: 56-52=4, Resulting Numbers: [39, 27, 4] Generated Node #0,0: 92:[39, 27, 4] Operation: 56-52=4 Moving to Node #0,0 Current State: 92:[39, 27, 4], Operations: ['56-52=4'] Exploring Operation: 39+4=43, Resulting Numbers: [27, 43] Generated Node #0,0,0: 92:[27, 43] Operation: 39+4=43 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 92:[27, 43], Operations: ['56-52=4', '39+4=43'] Exploring Operation: 43-27=16, Resulting Numbers: [16] 16,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 87, 70, 94, 24 ]
87
[ "87+70=157", "94-24=70", "157-70=87" ]
Current State: 87:[87, 70, 94, 24], Operations: [] Exploring Operation: 87+70=157, Resulting Numbers: [94, 24, 157] Generated Node #2: [94, 24, 157] from Operation: 87+70=157 Current State: 87:[94, 24, 157], Operations: ['87+70=157'] Exploring Operation: 94-24=70, Resulting Numbers: [157, 70] Generated Node #3: [157, 70] from Operation: 94-24=70 Current State: 87:[157, 70], Operations: ['87+70=157', '94-24=70'] Exploring Operation: 157-70=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[87, 70, 94, 24], Operations: [] Exploring Operation: 94-70=24, Resulting Numbers: [87, 24, 24] Generated Node #0,0: 87:[87, 24, 24] Operation: 94-70=24 Exploring Operation: 87-70=17, Resulting Numbers: [94, 24, 17] Generated Node #0,1: 87:[94, 24, 17] Operation: 87-70=17 Exploring Operation: 70+24=94, Resulting Numbers: [87, 94, 94] Generated Node #0,2: 87:[87, 94, 94] Operation: 70+24=94 Exploring Operation: 70-24=46, Resulting Numbers: [87, 94, 46] Generated Node #0,3: 87:[87, 94, 46] Operation: 70-24=46 Moving to Node #0,0 Current State: 87:[87, 24, 24], Operations: ['94-70=24'] Exploring Operation: 87+24=111, Resulting Numbers: [24, 111] Generated Node #0,0,0: 87:[24, 111] Operation: 87+24=111 Exploring Operation: 24/24=1, Resulting Numbers: [87, 1] Generated Node #0,0,1: 87:[87, 1] Operation: 24/24=1 Exploring Operation: 24+24=48, Resulting Numbers: [87, 48] Generated Node #0,0,2: 87:[87, 48] Operation: 24+24=48 Exploring Operation: 24-24=0, Resulting Numbers: [87, 0] Generated Node #0,0,3: 87:[87, 0] Operation: 24-24=0 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 87:[87, 1], Operations: ['94-70=24', '24/24=1'] Exploring Operation: 87*1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[87, 70, 94, 24], Operations: [] Exploring Operation: 94-70=24, Resulting Numbers: [87, 24, 24] Generated Node #0,0: 87:[87, 24, 24] Operation: 94-70=24 Moving to Node #0,0 Current State: 87:[87, 24, 24], Operations: ['94-70=24'] Exploring Operation: 24/24=1, Resulting Numbers: [87, 1] Generated Node #0,0,1: 87:[87, 1] Operation: 24/24=1 Moving to Node #0,0,1 Current State: 87:[87, 1], Operations: ['94-70=24', '24/24=1'] Exploring Operation: 87*1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 28, 48, 34, 36 ]
14
[ "34-28=6", "48+36=84", "84/6=14" ]
Current State: 14:[28, 48, 34, 36], Operations: [] Exploring Operation: 34-28=6, Resulting Numbers: [48, 36, 6] Generated Node #2: [48, 36, 6] from Operation: 34-28=6 Current State: 14:[48, 36, 6], Operations: ['34-28=6'] Exploring Operation: 48+36=84, Resulting Numbers: [6, 84] Generated Node #3: [6, 84] from Operation: 48+36=84 Current State: 14:[6, 84], Operations: ['34-28=6', '48+36=84'] Exploring Operation: 84/6=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[28, 48, 34, 36], Operations: [] Exploring Operation: 48-28=20, Resulting Numbers: [34, 36, 20] Generated Node #0,0: 14:[34, 36, 20] Operation: 48-28=20 Exploring Operation: 48-36=12, Resulting Numbers: [28, 34, 12] Generated Node #0,1: 14:[28, 34, 12] Operation: 48-36=12 Exploring Operation: 48-34=14, Resulting Numbers: [28, 36, 14] Generated Node #0,2: 14:[28, 36, 14] Operation: 48-34=14 Exploring Operation: 36-34=2, Resulting Numbers: [28, 48, 2] Generated Node #0,3: 14:[28, 48, 2] Operation: 36-34=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 14:[28, 34, 12], Operations: ['48-36=12'] Exploring Operation: 34-12=22, Resulting Numbers: [28, 22] Generated Node #0,1,0: 14:[28, 22] Operation: 34-12=22 Exploring Operation: 28-12=16, Resulting Numbers: [34, 16] Generated Node #0,1,1: 14:[34, 16] Operation: 28-12=16 Exploring Operation: 34-28=6, Resulting Numbers: [12, 6] Generated Node #0,1,2: 14:[12, 6] Operation: 34-28=6 Exploring Operation: 28+12=40, Resulting Numbers: [34, 40] Generated Node #0,1,3: 14:[34, 40] Operation: 28+12=40 Moving to Node #0,1,2 Current State: 14:[12, 6], Operations: ['48-36=12', '34-28=6'] Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,14 unequal: No Solution Exploring Operation: 12*6=72, Resulting Numbers: [72] 72,14 unequal: No Solution Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,14 unequal: No Solution Exploring Operation: 12+6=18, Resulting Numbers: [18] 18,14 unequal: No Solution Moving to Node #0,1,1 Current State: 14:[34, 16], Operations: ['48-36=12', '28-12=16'] Exploring Operation: 34*16=544, Resulting Numbers: [544] 544,14 unequal: No Solution Exploring Operation: 34-16=18, Resulting Numbers: [18] 18,14 unequal: No Solution Exploring Operation: 34+16=50, Resulting Numbers: [50] 50,14 unequal: No Solution Moving to Node #0,1,0 Current State: 14:[28, 22], Operations: ['48-36=12', '34-12=22'] Exploring Operation: 28-22=6, Resulting Numbers: [6] 6,14 unequal: No Solution Exploring Operation: 28+22=50, Resulting Numbers: [50] 50,14 unequal: No Solution Exploring Operation: 28*22=616, Resulting Numbers: [616] 616,14 unequal: No Solution Moving to Node #0,1,3 Current State: 14:[34, 40], Operations: ['48-36=12', '28+12=40'] Exploring Operation: 34*40=1360, Resulting Numbers: [1360] 1360,14 unequal: No Solution Exploring Operation: 34+40=74, Resulting Numbers: [74] 74,14 unequal: No Solution Exploring Operation: 40-34=6, Resulting Numbers: [6] 6,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 14:[28, 36, 14], Operations: ['48-34=14'] Exploring Operation: 36-14=22, Resulting Numbers: [28, 22] Generated Node #0,2,0: 14:[28, 22] Operation: 36-14=22 Exploring Operation: 28/14=2, Resulting Numbers: [36, 2] Generated Node #0,2,1: 14:[36, 2] Operation: 28/14=2 Exploring Operation: 36-28=8, Resulting Numbers: [14, 8] Generated Node #0,2,2: 14:[14, 8] Operation: 36-28=8 Exploring Operation: 28-14=14, Resulting Numbers: [36, 14] Generated Node #0,2,3: 14:[36, 14] Operation: 28-14=14 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 14:[14, 8], Operations: ['48-34=14', '36-28=8'] Exploring Operation: 14+8=22, Resulting Numbers: [22] 22,14 unequal: No Solution Exploring Operation: 14*8=112, Resulting Numbers: [112] 112,14 unequal: No Solution Exploring Operation: 14-8=6, Resulting Numbers: [6] 6,14 unequal: No Solution No 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: 14:[28, 22], Operations: ['48-34=14', '36-14=22'] Exploring Operation: 28+22=50, Resulting Numbers: [50] 50,14 unequal: No Solution Exploring Operation: 28*22=616, Resulting Numbers: [616] 616,14 unequal: No Solution Exploring Operation: 28-22=6, Resulting Numbers: [6] 6,14 unequal: No Solution No 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: 14:[36, 2], Operations: ['48-34=14', '28/14=2'] Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,14 unequal: No Solution Exploring Operation: 36*2=72, Resulting Numbers: [72] 72,14 unequal: No Solution Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,14 unequal: No Solution Exploring Operation: 36+2=38, Resulting Numbers: [38] 38,14 unequal: No Solution No 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: 14:[36, 14], Operations: ['48-34=14', '28-14=14'] Exploring Operation: 36*14=504, Resulting Numbers: [504] 504,14 unequal: No Solution Exploring Operation: 36+14=50, Resulting Numbers: [50] 50,14 unequal: No Solution Exploring Operation: 36-14=22, Resulting Numbers: [22] 22,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[34, 36, 20], Operations: ['48-28=20'] Exploring Operation: 34-20=14, Resulting Numbers: [36, 14] Generated Node #0,0,0: 14:[36, 14] Operation: 34-20=14 Exploring Operation: 34+36=70, Resulting Numbers: [20, 70] Generated Node #0,0,1: 14:[20, 70] Operation: 34+36=70 Exploring Operation: 36-34=2, Resulting Numbers: [20, 2] Generated Node #0,0,2: 14:[20, 2] Operation: 36-34=2 Exploring Operation: 36-20=16, Resulting Numbers: [34, 16] Generated Node #0,0,3: 14:[34, 16] Operation: 36-20=16 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 14:[20, 2], Operations: ['48-28=20', '36-34=2'] Exploring Operation: 20+2=22, Resulting Numbers: [22] 22,14 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,14 unequal: No Solution Exploring Operation: 20*2=40, Resulting Numbers: [40] 40,14 unequal: No Solution Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,14 unequal: No Solution No 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: 14:[36, 14], Operations: ['48-28=20', '34-20=14'] Exploring Operation: 36+14=50, Resulting Numbers: [50] 50,14 unequal: No Solution Exploring Operation: 36*14=504, Resulting Numbers: [504] 504,14 unequal: No Solution Exploring Operation: 36-14=22, Resulting Numbers: [22] 22,14 unequal: No Solution No 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: 14:[34, 16], Operations: ['48-28=20', '36-20=16'] Exploring Operation: 34*16=544, Resulting Numbers: [544] 544,14 unequal: No Solution Exploring Operation: 34-16=18, Resulting Numbers: [18] 18,14 unequal: No Solution Exploring Operation: 34+16=50, Resulting Numbers: [50] 50,14 unequal: No Solution No 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: 14:[20, 70], Operations: ['48-28=20', '34+36=70'] Exploring Operation: 20+70=90, Resulting Numbers: [90] 90,14 unequal: No Solution Exploring Operation: 70-20=50, Resulting Numbers: [50] 50,14 unequal: No Solution Exploring Operation: 20*70=1400, Resulting Numbers: [1400] 1400,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 14:[28, 48, 2], Operations: ['36-34=2'] Exploring Operation: 28-2=26, Resulting Numbers: [48, 26] Generated Node #0,3,0: 14:[48, 26] Operation: 28-2=26 Exploring Operation: 48-28=20, Resulting Numbers: [2, 20] Generated Node #0,3,1: 14:[2, 20] Operation: 48-28=20 Exploring Operation: 28/2=14, Resulting Numbers: [48, 14] Generated Node #0,3,2: 14:[48, 14] Operation: 28/2=14 Exploring Operation: 48/2=24, Resulting Numbers: [28, 24] Generated Node #0,3,3: 14:[28, 24] Operation: 48/2=24 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 14:[2, 20], Operations: ['36-34=2', '48-28=20'] Exploring Operation: 2*20=40, Resulting Numbers: [40] 40,14 unequal: No Solution Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,14 unequal: No Solution Exploring Operation: 2+20=22, Resulting Numbers: [22] 22,14 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,14 unequal: No Solution No 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: 14:[28, 24], Operations: ['36-34=2', '48/2=24'] Exploring Operation: 28+24=52, Resulting Numbers: [52] 52,14 unequal: No Solution Exploring Operation: 28-24=4, Resulting Numbers: [4] 4,14 unequal: No Solution Exploring Operation: 28*24=672, Resulting Numbers: [672] 672,14 unequal: No Solution No 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: 14:[48, 14], Operations: ['36-34=2', '28/2=14'] Exploring Operation: 48+14=62, Resulting Numbers: [62] 62,14 unequal: No Solution Exploring Operation: 48-14=34, Resulting Numbers: [34] 34,14 unequal: No Solution Exploring Operation: 48*14=672, Resulting Numbers: [672] 672,14 unequal: No Solution No 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: 14:[48, 26], Operations: ['36-34=2', '28-2=26'] Exploring Operation: 48-26=22, Resulting Numbers: [22] 22,14 unequal: No Solution Exploring Operation: 48+26=74, Resulting Numbers: [74] 74,14 unequal: No Solution Exploring Operation: 48*26=1248, Resulting Numbers: [1248] 1248,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 72, 7, 67, 83 ]
63
[ "72+7=79", "83-67=16", "79-16=63" ]
Current State: 63:[72, 7, 67, 83], Operations: [] Exploring Operation: 72+7=79, Resulting Numbers: [67, 83, 79] Generated Node #2: [67, 83, 79] from Operation: 72+7=79 Current State: 63:[67, 83, 79], Operations: ['72+7=79'] Exploring Operation: 83-67=16, Resulting Numbers: [79, 16] Generated Node #3: [79, 16] from Operation: 83-67=16 Current State: 63:[79, 16], Operations: ['72+7=79', '83-67=16'] Exploring Operation: 79-16=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[72, 7, 67, 83], Operations: [] Exploring Operation: 83-67=16, Resulting Numbers: [72, 7, 16] Generated Node #0,0: 63:[72, 7, 16] Operation: 83-67=16 Exploring Operation: 72-67=5, Resulting Numbers: [7, 83, 5] Generated Node #0,1: 63:[7, 83, 5] Operation: 72-67=5 Exploring Operation: 72-7=65, Resulting Numbers: [67, 83, 65] Generated Node #0,2: 63:[67, 83, 65] Operation: 72-7=65 Exploring Operation: 83-72=11, Resulting Numbers: [7, 67, 11] Generated Node #0,3: 63:[7, 67, 11] Operation: 83-72=11 Start Sub Search at level 1: Moving to Node #0,3 Current State: 63:[7, 67, 11], Operations: ['83-72=11'] Exploring Operation: 67-7=60, Resulting Numbers: [11, 60] Generated Node #0,3,0: 63:[11, 60] Operation: 67-7=60 Exploring Operation: 7+11=18, Resulting Numbers: [67, 18] Generated Node #0,3,1: 63:[67, 18] Operation: 7+11=18 Exploring Operation: 67-11=56, Resulting Numbers: [7, 56] Generated Node #0,3,2: 63:[7, 56] Operation: 67-11=56 Exploring Operation: 11-7=4, Resulting Numbers: [67, 4] Generated Node #0,3,3: 63:[67, 4] Operation: 11-7=4 Moving to Node #0,3,0 Current State: 63:[11, 60], Operations: ['83-72=11', '67-7=60'] Exploring Operation: 11*60=660, Resulting Numbers: [660] 660,63 unequal: No Solution Exploring Operation: 60-11=49, Resulting Numbers: [49] 49,63 unequal: No Solution Exploring Operation: 11+60=71, Resulting Numbers: [71] 71,63 unequal: No Solution Moving to Node #0,3,3 Current State: 63:[67, 4], Operations: ['83-72=11', '11-7=4'] Exploring Operation: 67+4=71, Resulting Numbers: [71] 71,63 unequal: No Solution Exploring Operation: 67*4=268, Resulting Numbers: [268] 268,63 unequal: No Solution Exploring Operation: 67-4=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[72, 7, 67, 83], Operations: [] Exploring Operation: 83-72=11, Resulting Numbers: [7, 67, 11] Generated Node #0,3: 63:[7, 67, 11] Operation: 83-72=11 Moving to Node #0,3 Current State: 63:[7, 67, 11], Operations: ['83-72=11'] Exploring Operation: 11-7=4, Resulting Numbers: [67, 4] Generated Node #0,3,3: 63:[67, 4] Operation: 11-7=4 Moving to Node #0,3,3 Current State: 63:[67, 4], Operations: ['83-72=11', '11-7=4'] Exploring Operation: 67-4=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
mult_heuristic
[ 14, 50, 18, 32 ]
51
[ "14+18=32", "32/32=1", "50+1=51" ]
Current State: 51:[14, 50, 18, 32], Operations: [] Exploring Operation: 14+18=32, Resulting Numbers: [50, 32, 32] Generated Node #2: [50, 32, 32] from Operation: 14+18=32 Current State: 51:[50, 32, 32], Operations: ['14+18=32'] Exploring Operation: 32/32=1, Resulting Numbers: [50, 1] Generated Node #3: [50, 1] from Operation: 32/32=1 Current State: 51:[50, 1], Operations: ['14+18=32', '32/32=1'] Exploring Operation: 50+1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[14, 50, 18, 32], Operations: [] Exploring Operation: 32-14=18, Resulting Numbers: [50, 18, 18] Generated Node #0,0: 51:[50, 18, 18] Operation: 32-14=18 Exploring Operation: 18+32=50, Resulting Numbers: [14, 50, 50] Generated Node #0,1: 51:[14, 50, 50] Operation: 18+32=50 Exploring Operation: 14+32=46, Resulting Numbers: [50, 18, 46] Generated Node #0,2: 51:[50, 18, 46] Operation: 14+32=46 Exploring Operation: 50-32=18, Resulting Numbers: [14, 18, 18] Generated Node #0,3: 51:[14, 18, 18] Operation: 50-32=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[50, 18, 18], Operations: ['32-14=18'] Exploring Operation: 50-18=32, Resulting Numbers: [18, 32] Generated Node #0,0,0: 51:[18, 32] Operation: 50-18=32 Exploring Operation: 50-18=32, Resulting Numbers: [18, 32] Generated Node #0,0,1: 51:[18, 32] Operation: 50-18=32 Exploring Operation: 18-18=0, Resulting Numbers: [50, 0] Generated Node #0,0,2: 51:[50, 0] Operation: 18-18=0 Exploring Operation: 18/18=1, Resulting Numbers: [50, 1] Generated Node #0,0,3: 51:[50, 1] Operation: 18/18=1 Moving to Node #0,0,3 Current State: 51:[50, 1], Operations: ['32-14=18', '18/18=1'] Exploring Operation: 50/1=50, Resulting Numbers: [50] 50,51 unequal: No Solution Exploring Operation: 50+1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[14, 50, 18, 32], Operations: [] Exploring Operation: 32-14=18, Resulting Numbers: [50, 18, 18] Generated Node #0,0: 51:[50, 18, 18] Operation: 32-14=18 Moving to Node #0,0 Current State: 51:[50, 18, 18], Operations: ['32-14=18'] Exploring Operation: 18/18=1, Resulting Numbers: [50, 1] Generated Node #0,0,3: 51:[50, 1] Operation: 18/18=1 Moving to Node #0,0,3 Current State: 51:[50, 1], Operations: ['32-14=18', '18/18=1'] Exploring Operation: 50+1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 2, 79, 96, 15 ]
13
[ "2*15=30", "96-79=17", "30-17=13" ]
Current State: 13:[2, 79, 96, 15], Operations: [] Exploring Operation: 2*15=30, Resulting Numbers: [79, 96, 30] Generated Node #2: [79, 96, 30] from Operation: 2*15=30 Current State: 13:[79, 96, 30], Operations: ['2*15=30'] Exploring Operation: 96-79=17, Resulting Numbers: [30, 17] Generated Node #3: [30, 17] from Operation: 96-79=17 Current State: 13:[30, 17], Operations: ['2*15=30', '96-79=17'] Exploring Operation: 30-17=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[2, 79, 96, 15], Operations: [] Exploring Operation: 79-15=64, Resulting Numbers: [2, 96, 64] Generated Node #0,0: 13:[2, 96, 64] Operation: 79-15=64 Exploring Operation: 96/2=48, Resulting Numbers: [79, 15, 48] Generated Node #0,1: 13:[79, 15, 48] Operation: 96/2=48 Exploring Operation: 96-15=81, Resulting Numbers: [2, 79, 81] Generated Node #0,2: 13:[2, 79, 81] Operation: 96-15=81 Exploring Operation: 96-79=17, Resulting Numbers: [2, 15, 17] Generated Node #0,3: 13:[2, 15, 17] Operation: 96-79=17 Moving to Node #0,3 Current State: 13:[2, 15, 17], Operations: ['96-79=17'] Exploring Operation: 15-2=13, Resulting Numbers: [17, 13] Generated Node #0,3,0: 13:[17, 13] Operation: 15-2=13 Exploring Operation: 2+17=19, Resulting Numbers: [15, 19] Generated Node #0,3,1: 13:[15, 19] Operation: 2+17=19 Exploring Operation: 17-2=15, Resulting Numbers: [15, 15] Generated Node #0,3,2: 13:[15, 15] Operation: 17-2=15 Exploring Operation: 2+15=17, Resulting Numbers: [17, 17] Generated Node #0,3,3: 13:[17, 17] Operation: 2+15=17 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 13:[17, 13], Operations: ['96-79=17', '15-2=13'] Exploring Operation: 17*13=221, Resulting Numbers: [221] 221,13 unequal: No Solution Exploring Operation: 17+13=30, Resulting Numbers: [30] 30,13 unequal: No Solution Exploring Operation: 17-13=4, Resulting Numbers: [4] 4,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 13:[15, 15], Operations: ['96-79=17', '17-2=15'] Exploring Operation: 15*15=225, Resulting Numbers: [225] 225,13 unequal: No Solution Exploring Operation: 15+15=30, Resulting Numbers: [30] 30,13 unequal: No Solution Exploring Operation: 15-15=0, Resulting Numbers: [0] 0,13 unequal: No Solution Exploring Operation: 15/15=1, Resulting Numbers: [1] 1,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 13:[15, 19], Operations: ['96-79=17', '2+17=19'] Exploring Operation: 15*19=285, Resulting Numbers: [285] 285,13 unequal: No Solution Exploring Operation: 19-15=4, Resulting Numbers: [4] 4,13 unequal: No Solution Exploring Operation: 15+19=34, Resulting Numbers: [34] 34,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 13:[17, 17], Operations: ['96-79=17', '2+15=17'] Exploring Operation: 17+17=34, Resulting Numbers: [34] 34,13 unequal: No Solution Exploring Operation: 17/17=1, Resulting Numbers: [1] 1,13 unequal: No Solution Exploring Operation: 17-17=0, Resulting Numbers: [0] 0,13 unequal: No Solution Exploring Operation: 17*17=289, Resulting Numbers: [289] 289,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 13:[79, 15, 48], Operations: ['96/2=48'] Exploring Operation: 48-15=33, Resulting Numbers: [79, 33] Generated Node #0,1,0: 13:[79, 33] Operation: 48-15=33 Exploring Operation: 79+15=94, Resulting Numbers: [48, 94] Generated Node #0,1,1: 13:[48, 94] Operation: 79+15=94 Exploring Operation: 79-48=31, Resulting Numbers: [15, 31] Generated Node #0,1,2: 13:[15, 31] Operation: 79-48=31 Exploring Operation: 79-15=64, Resulting Numbers: [48, 64] Generated Node #0,1,3: 13:[48, 64] Operation: 79-15=64 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 13:[15, 31], Operations: ['96/2=48', '79-48=31'] Exploring Operation: 15+31=46, Resulting Numbers: [46] 46,13 unequal: No Solution Exploring Operation: 15*31=465, Resulting Numbers: [465] 465,13 unequal: No Solution Exploring Operation: 31-15=16, Resulting Numbers: [16] 16,13 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 #0,1,0 Current State: 13:[79, 33], Operations: ['96/2=48', '48-15=33'] Exploring Operation: 79*33=2607, Resulting Numbers: [2607] 2607,13 unequal: No Solution Exploring Operation: 79-33=46, Resulting Numbers: [46] 46,13 unequal: No Solution Exploring Operation: 79+33=112, Resulting Numbers: [112] 112,13 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 #0,1,3 Current State: 13:[48, 64], Operations: ['96/2=48', '79-15=64'] Exploring Operation: 64-48=16, Resulting Numbers: [16] 16,13 unequal: No Solution Exploring Operation: 48*64=3072, Resulting Numbers: [3072] 3072,13 unequal: No Solution Exploring Operation: 48+64=112, Resulting Numbers: [112] 112,13 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 #0,1,1 Current State: 13:[48, 94], Operations: ['96/2=48', '79+15=94'] Exploring Operation: 94-48=46, Resulting Numbers: [46] 46,13 unequal: No Solution Exploring Operation: 48+94=142, Resulting Numbers: [142] 142,13 unequal: No Solution Exploring Operation: 48*94=4512, Resulting Numbers: [4512] 4512,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 13:[2, 79, 81], Operations: ['96-15=81'] Exploring Operation: 2+79=81, Resulting Numbers: [81, 81] Generated Node #0,2,0: 13:[81, 81] Operation: 2+79=81 Exploring Operation: 81-2=79, Resulting Numbers: [79, 79] Generated Node #0,2,1: 13:[79, 79] Operation: 81-2=79 Exploring Operation: 81-79=2, Resulting Numbers: [2, 2] Generated Node #0,2,2: 13:[2, 2] Operation: 81-79=2 Exploring Operation: 79-2=77, Resulting Numbers: [81, 77] Generated Node #0,2,3: 13:[81, 77] Operation: 79-2=77 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 13:[2, 2], Operations: ['96-15=81', '81-79=2'] Exploring Operation: 2-2=0, Resulting Numbers: [0] 0,13 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,13 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,13 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 13:[79, 79], Operations: ['96-15=81', '81-2=79'] Exploring Operation: 79+79=158, Resulting Numbers: [158] 158,13 unequal: No Solution Exploring Operation: 79-79=0, Resulting Numbers: [0] 0,13 unequal: No Solution Exploring Operation: 79/79=1, Resulting Numbers: [1] 1,13 unequal: No Solution Exploring Operation: 79*79=6241, Resulting Numbers: [6241] 6241,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 13:[81, 77], Operations: ['96-15=81', '79-2=77'] Exploring Operation: 81*77=6237, Resulting Numbers: [6237] 6237,13 unequal: No Solution Exploring Operation: 81-77=4, Resulting Numbers: [4] 4,13 unequal: No Solution Exploring Operation: 81+77=158, Resulting Numbers: [158] 158,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 13:[81, 81], Operations: ['96-15=81', '2+79=81'] Exploring Operation: 81-81=0, Resulting Numbers: [0] 0,13 unequal: No Solution Exploring Operation: 81+81=162, Resulting Numbers: [162] 162,13 unequal: No Solution Exploring Operation: 81/81=1, Resulting Numbers: [1] 1,13 unequal: No Solution Exploring Operation: 81*81=6561, Resulting Numbers: [6561] 6561,13 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: 13:[2, 96, 64], Operations: ['79-15=64'] Exploring Operation: 96-2=94, Resulting Numbers: [64, 94] Generated Node #0,0,0: 13:[64, 94] Operation: 96-2=94 Exploring Operation: 96/2=48, Resulting Numbers: [64, 48] Generated Node #0,0,1: 13:[64, 48] Operation: 96/2=48 Exploring Operation: 96-64=32, Resulting Numbers: [2, 32] Generated Node #0,0,2: 13:[2, 32] Operation: 96-64=32 Exploring Operation: 64/2=32, Resulting Numbers: [96, 32] Generated Node #0,0,3: 13:[96, 32] Operation: 64/2=32 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 13:[2, 32], Operations: ['79-15=64', '96-64=32'] Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,13 unequal: No Solution Exploring Operation: 2*32=64, Resulting Numbers: [64] 64,13 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,13 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,13 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 #0,0,1 Current State: 13:[64, 48], Operations: ['79-15=64', '96/2=48'] Exploring Operation: 64+48=112, Resulting Numbers: [112] 112,13 unequal: No Solution Exploring Operation: 64*48=3072, Resulting Numbers: [3072] 3072,13 unequal: No Solution Exploring Operation: 64-48=16, Resulting Numbers: [16] 16,13 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 #0,0,3 Current State: 13:[96, 32], Operations: ['79-15=64', '64/2=32'] Exploring Operation: 96-32=64, Resulting Numbers: [64] 64,13 unequal: No Solution Exploring Operation: 96+32=128, Resulting Numbers: [128] 128,13 unequal: No Solution Exploring Operation: 96*32=3072, Resulting Numbers: [3072] 3072,13 unequal: No Solution Exploring Operation: 96/32=3, Resulting Numbers: [3] 3,13 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 #0,0,0 Current State: 13:[64, 94], Operations: ['79-15=64', '96-2=94'] Exploring Operation: 64*94=6016, Resulting Numbers: [6016] 6016,13 unequal: No Solution Exploring Operation: 94-64=30, Resulting Numbers: [30] 30,13 unequal: No Solution Exploring Operation: 64+94=158, Resulting Numbers: [158] 158,13 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
[ 42, 57, 13, 21 ]
72
[ "42/21=2", "57+13=70", "2+70=72" ]
Current State: 72:[42, 57, 13, 21], Operations: [] Exploring Operation: 42/21=2, Resulting Numbers: [57, 13, 2] Generated Node #2: [57, 13, 2] from Operation: 42/21=2 Current State: 72:[57, 13, 2], Operations: ['42/21=2'] Exploring Operation: 57+13=70, Resulting Numbers: [2, 70] Generated Node #3: [2, 70] from Operation: 57+13=70 Current State: 72:[2, 70], Operations: ['42/21=2', '57+13=70'] Exploring Operation: 2+70=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[42, 57, 13, 21], Operations: [] Exploring Operation: 57-42=15, Resulting Numbers: [13, 21, 15] Generated Node #0,0: 72:[13, 21, 15] Operation: 57-42=15 Exploring Operation: 57-21=36, Resulting Numbers: [42, 13, 36] Generated Node #0,1: 72:[42, 13, 36] Operation: 57-21=36 Exploring Operation: 57+13=70, Resulting Numbers: [42, 21, 70] Generated Node #0,2: 72:[42, 21, 70] Operation: 57+13=70 Moving to Node #0,0 Current State: 72:[13, 21, 15], Operations: ['57-42=15'] Exploring Operation: 21-13=8, Resulting Numbers: [15, 8] Generated Node #0,0,0: 72:[15, 8] Operation: 21-13=8 Exploring Operation: 21-15=6, Resulting Numbers: [13, 6] Generated Node #0,0,1: 72:[13, 6] Operation: 21-15=6 Exploring Operation: 21+15=36, Resulting Numbers: [13, 36] Generated Node #0,0,2: 72:[13, 36] Operation: 21+15=36 Moving to Node #0,1 Current State: 72:[42, 13, 36], Operations: ['57-21=36'] Exploring Operation: 42-13=29, Resulting Numbers: [36, 29] Generated Node #0,1,0: 72:[36, 29] Operation: 42-13=29 Exploring Operation: 42+36=78, Resulting Numbers: [13, 78] Generated Node #0,1,1: 72:[13, 78] Operation: 42+36=78 Exploring Operation: 42-36=6, Resulting Numbers: [13, 6] Generated Node #0,1,2: 72:[13, 6] Operation: 42-36=6 Moving to Node #0,2 Current State: 72:[42, 21, 70], Operations: ['57+13=70'] Exploring Operation: 70-42=28, Resulting Numbers: [21, 28] Generated Node #0,2,0: 72:[21, 28] Operation: 70-42=28 Exploring Operation: 42/21=2, Resulting Numbers: [70, 2] Generated Node #0,2,1: 72:[70, 2] Operation: 42/21=2 Exploring Operation: 42-21=21, Resulting Numbers: [70, 21] Generated Node #0,2,2: 72:[70, 21] Operation: 42-21=21 Moving to Node #0,0,1 Current State: 72:[13, 6], Operations: ['57-42=15', '21-15=6'] Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,72 unequal: No Solution Exploring Operation: 13+6=19, Resulting Numbers: [19] 19,72 unequal: No Solution Exploring Operation: 13*6=78, Resulting Numbers: [78] 78,72 unequal: No Solution Moving to Node #0,0,2 Current State: 72:[13, 36], Operations: ['57-42=15', '21+15=36'] Exploring Operation: 13*36=468, Resulting Numbers: [468] 468,72 unequal: No Solution Exploring Operation: 36-13=23, Resulting Numbers: [23] 23,72 unequal: No Solution Exploring Operation: 13+36=49, Resulting Numbers: [49] 49,72 unequal: No Solution Moving to Node #0,1,2 Current State: 72:[13, 6], Operations: ['57-21=36', '42-36=6'] Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,72 unequal: No Solution Exploring Operation: 13*6=78, Resulting Numbers: [78] 78,72 unequal: No Solution Exploring Operation: 13+6=19, Resulting Numbers: [19] 19,72 unequal: No Solution Moving to Node #0,2,1 Current State: 72:[70, 2], Operations: ['57+13=70', '42/21=2'] Exploring Operation: 70-2=68, Resulting Numbers: [68] 68,72 unequal: No Solution Exploring Operation: 70+2=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[42, 57, 13, 21], Operations: [] Exploring Operation: 57+13=70, Resulting Numbers: [42, 21, 70] Generated Node #0,2: 72:[42, 21, 70] Operation: 57+13=70 Moving to Node #0,2 Current State: 72:[42, 21, 70], Operations: ['57+13=70'] Exploring Operation: 42/21=2, Resulting Numbers: [70, 2] Generated Node #0,2,1: 72:[70, 2] Operation: 42/21=2 Moving to Node #0,2,1 Current State: 72:[70, 2], Operations: ['57+13=70', '42/21=2'] Exploring Operation: 70+2=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
0.976563
hs_3
mult_heuristic
[ 13, 74, 54, 48 ]
93
[ "13+74=87", "54-48=6", "87+6=93" ]
Current State: 93:[13, 74, 54, 48], Operations: [] Exploring Operation: 13+74=87, Resulting Numbers: [54, 48, 87] Generated Node #2: [54, 48, 87] from Operation: 13+74=87 Current State: 93:[54, 48, 87], Operations: ['13+74=87'] Exploring Operation: 54-48=6, Resulting Numbers: [87, 6] Generated Node #3: [87, 6] from Operation: 54-48=6 Current State: 93:[87, 6], Operations: ['13+74=87', '54-48=6'] Exploring Operation: 87+6=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[13, 74, 54, 48], Operations: [] Exploring Operation: 54-48=6, Resulting Numbers: [13, 74, 6] Generated Node #0,0: 93:[13, 74, 6] Operation: 54-48=6 Exploring Operation: 74-54=20, Resulting Numbers: [13, 48, 20] Generated Node #0,1: 93:[13, 48, 20] Operation: 74-54=20 Moving to Node #0,0 Current State: 93:[13, 74, 6], Operations: ['54-48=6'] Exploring Operation: 13-6=7, Resulting Numbers: [74, 7] Generated Node #0,0,0: 93:[74, 7] Operation: 13-6=7 Exploring Operation: 13+74=87, Resulting Numbers: [6, 87] Generated Node #0,0,1: 93:[6, 87] Operation: 13+74=87 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 93:[6, 87], Operations: ['54-48=6', '13+74=87'] Exploring Operation: 6+87=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[13, 74, 54, 48], Operations: [] Exploring Operation: 54-48=6, Resulting Numbers: [13, 74, 6] Generated Node #0,0: 93:[13, 74, 6] Operation: 54-48=6 Moving to Node #0,0 Current State: 93:[13, 74, 6], Operations: ['54-48=6'] Exploring Operation: 13+74=87, Resulting Numbers: [6, 87] Generated Node #0,0,1: 93:[6, 87] Operation: 13+74=87 Moving to Node #0,0,1 Current State: 93:[6, 87], Operations: ['54-48=6', '13+74=87'] Exploring Operation: 6+87=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 91, 12, 23, 92 ]
93
[ "91+92=183", "12*23=276", "276-183=93" ]
Current State: 93:[91, 12, 23, 92], Operations: [] Exploring Operation: 91+92=183, Resulting Numbers: [12, 23, 183] Generated Node #2: [12, 23, 183] from Operation: 91+92=183 Current State: 93:[12, 23, 183], Operations: ['91+92=183'] Exploring Operation: 12*23=276, Resulting Numbers: [183, 276] Generated Node #3: [183, 276] from Operation: 12*23=276 Current State: 93:[183, 276], Operations: ['91+92=183', '12*23=276'] Exploring Operation: 276-183=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[91, 12, 23, 92], Operations: [] Exploring Operation: 23-12=11, Resulting Numbers: [91, 92, 11] Generated Node #0,0: 93:[91, 92, 11] Operation: 23-12=11 Exploring Operation: 12+23=35, Resulting Numbers: [91, 92, 35] Generated Node #0,1: 93:[91, 92, 35] Operation: 12+23=35 Start Sub Search at level 1: Moving to Node #0,1 Current State: 93:[91, 92, 35], Operations: ['12+23=35'] Exploring Operation: 92-91=1, Resulting Numbers: [35, 1] Generated Node #0,1,0: 93:[35, 1] Operation: 92-91=1 Exploring Operation: 91-35=56, Resulting Numbers: [92, 56] Generated Node #0,1,1: 93:[92, 56] Operation: 91-35=56 Moving to Node #0,1,0 Current State: 93:[35, 1], Operations: ['12+23=35', '92-91=1'] Exploring Operation: 35-1=34, Resulting Numbers: [34] 34,93 unequal: No Solution Exploring Operation: 35*1=35, Resulting Numbers: [35] 35,93 unequal: No Solution Moving to Node #0,1,1 Current State: 93:[92, 56], Operations: ['12+23=35', '91-35=56'] Exploring Operation: 92-56=36, Resulting Numbers: [36] 36,93 unequal: No Solution Exploring Operation: 92+56=148, Resulting Numbers: [148] 148,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[91, 92, 11], Operations: ['23-12=11'] Exploring Operation: 91+11=102, Resulting Numbers: [92, 102] Generated Node #0,0,0: 93:[92, 102] Operation: 91+11=102 Exploring Operation: 92-91=1, Resulting Numbers: [11, 1] Generated Node #0,0,1: 93:[11, 1] Operation: 92-91=1 Moving to Node #0,0,0 Current State: 93:[92, 102], Operations: ['23-12=11', '91+11=102'] Exploring Operation: 92+102=194, Resulting Numbers: [194] 194,93 unequal: No Solution Exploring Operation: 102-92=10, Resulting Numbers: [10] 10,93 unequal: No Solution Moving to Node #0,0,1 Current State: 93:[11, 1], Operations: ['23-12=11', '92-91=1'] Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,93 unequal: No Solution Exploring Operation: 11*1=11, Resulting Numbers: [11] 11,93 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
[ 43, 78, 52, 84 ]
54
[ "52-43=9", "84-78=6", "9*6=54" ]
Current State: 54:[43, 78, 52, 84], Operations: [] Exploring Operation: 52-43=9, Resulting Numbers: [78, 84, 9] Generated Node #2: [78, 84, 9] from Operation: 52-43=9 Current State: 54:[78, 84, 9], Operations: ['52-43=9'] Exploring Operation: 84-78=6, Resulting Numbers: [9, 6] Generated Node #3: [9, 6] from Operation: 84-78=6 Current State: 54:[9, 6], Operations: ['52-43=9', '84-78=6'] Exploring Operation: 9*6=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[43, 78, 52, 84], Operations: [] Exploring Operation: 84-78=6, Resulting Numbers: [43, 52, 6] Generated Node #0,0: 54:[43, 52, 6] Operation: 84-78=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[43, 52, 6], Operations: ['84-78=6'] Exploring Operation: 52-43=9, Resulting Numbers: [6, 9] Generated Node #0,0,0: 54:[6, 9] Operation: 52-43=9 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 54:[6, 9], Operations: ['84-78=6', '52-43=9'] Exploring Operation: 6*9=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[43, 78, 52, 84], Operations: [] Exploring Operation: 84-78=6, Resulting Numbers: [43, 52, 6] Generated Node #0,0: 54:[43, 52, 6] Operation: 84-78=6 Moving to Node #0,0 Current State: 54:[43, 52, 6], Operations: ['84-78=6'] Exploring Operation: 52-43=9, Resulting Numbers: [6, 9] Generated Node #0,0,0: 54:[6, 9] Operation: 52-43=9 Moving to Node #0,0,0 Current State: 54:[6, 9], Operations: ['84-78=6', '52-43=9'] Exploring Operation: 6*9=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 74, 34, 30, 59 ]
79
[ "74+34=108", "59-30=29", "108-29=79" ]
Current State: 79:[74, 34, 30, 59], Operations: [] Exploring Operation: 74+34=108, Resulting Numbers: [30, 59, 108] Generated Node #2: [30, 59, 108] from Operation: 74+34=108 Current State: 79:[30, 59, 108], Operations: ['74+34=108'] Exploring Operation: 59-30=29, Resulting Numbers: [108, 29] Generated Node #3: [108, 29] from Operation: 59-30=29 Current State: 79:[108, 29], Operations: ['74+34=108', '59-30=29'] Exploring Operation: 108-29=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[74, 34, 30, 59], Operations: [] Exploring Operation: 34+30=64, Resulting Numbers: [74, 59, 64] Generated Node #0,0: 79:[74, 59, 64] Operation: 34+30=64 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[74, 59, 64], Operations: ['34+30=64'] Exploring Operation: 59+64=123, Resulting Numbers: [74, 123] Generated Node #0,0,0: 79:[74, 123] Operation: 59+64=123 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 79:[74, 123], Operations: ['34+30=64', '59+64=123'] Exploring Operation: 123-74=49, Resulting Numbers: [49] 49,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 13, 5, 91, 9 ]
17
[ "13*5=65", "91-9=82", "82-65=17" ]
Current State: 17:[13, 5, 91, 9], Operations: [] Exploring Operation: 13*5=65, Resulting Numbers: [91, 9, 65] Generated Node #2: [91, 9, 65] from Operation: 13*5=65 Current State: 17:[91, 9, 65], Operations: ['13*5=65'] Exploring Operation: 91-9=82, Resulting Numbers: [65, 82] Generated Node #3: [65, 82] from Operation: 91-9=82 Current State: 17:[65, 82], Operations: ['13*5=65', '91-9=82'] Exploring Operation: 82-65=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[13, 5, 91, 9], Operations: [] Exploring Operation: 91-13=78, Resulting Numbers: [5, 9, 78] Generated Node #0,0: 17:[5, 9, 78] Operation: 91-13=78 Exploring Operation: 91/13=7, Resulting Numbers: [5, 9, 7] Generated Node #0,1: 17:[5, 9, 7] Operation: 91/13=7 Start Sub Search at level 1: Moving to Node #0,1 Current State: 17:[5, 9, 7], Operations: ['91/13=7'] Exploring Operation: 5+7=12, Resulting Numbers: [9, 12] Generated Node #0,1,0: 17:[9, 12] Operation: 5+7=12 Exploring Operation: 5+9=14, Resulting Numbers: [7, 14] Generated Node #0,1,1: 17:[7, 14] Operation: 5+9=14 Moving to Node #0,1,0 Current State: 17:[9, 12], Operations: ['91/13=7', '5+7=12'] Exploring Operation: 12-9=3, Resulting Numbers: [3] 3,17 unequal: No Solution Exploring Operation: 9+12=21, Resulting Numbers: [21] 21,17 unequal: No Solution Moving to Node #0,1,1 Current State: 17:[7, 14], Operations: ['91/13=7', '5+9=14'] Exploring Operation: 7+14=21, Resulting Numbers: [21] 21,17 unequal: No Solution Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[5, 9, 78], Operations: ['91-13=78'] Exploring Operation: 5+9=14, Resulting Numbers: [78, 14] Generated Node #0,0,0: 17:[78, 14] Operation: 5+9=14 Exploring Operation: 78-5=73, Resulting Numbers: [9, 73] Generated Node #0,0,1: 17:[9, 73] Operation: 78-5=73 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 17:[78, 14], Operations: ['91-13=78', '5+9=14'] Exploring Operation: 78+14=92, Resulting Numbers: [92] 92,17 unequal: No Solution Exploring Operation: 78-14=64, Resulting Numbers: [64] 64,17 unequal: No Solution No 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: 17:[9, 73], Operations: ['91-13=78', '78-5=73'] Exploring Operation: 9+73=82, Resulting Numbers: [82] 82,17 unequal: No Solution Exploring Operation: 73-9=64, Resulting Numbers: [64] 64,17 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