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
[ 77, 59, 60, 19 ]
57
[ "77+59=136", "60+19=79", "136-79=57" ]
Current State: 57:[77, 59, 60, 19], Operations: [] Exploring Operation: 77+59=136, Resulting Numbers: [60, 19, 136] Generated Node #2: [60, 19, 136] from Operation: 77+59=136 Current State: 57:[60, 19, 136], Operations: ['77+59=136'] Exploring Operation: 60+19=79, Resulting Numbers: [136, 79] Generated Node #3: [136, 79] from Operation: 60+19=79 Current State: 57:[136, 79], Operations: ['77+59=136', '60+19=79'] Exploring Operation: 136-79=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[77, 59, 60, 19], Operations: [] Exploring Operation: 60-19=41, Resulting Numbers: [77, 59, 41] Generated Node #0,0: 57:[77, 59, 41] Operation: 60-19=41 Exploring Operation: 77-60=17, Resulting Numbers: [59, 19, 17] Generated Node #0,1: 57:[59, 19, 17] Operation: 77-60=17 Exploring Operation: 60-59=1, Resulting Numbers: [77, 19, 1] Generated Node #0,2: 57:[77, 19, 1] Operation: 60-59=1 Exploring Operation: 77-19=58, Resulting Numbers: [59, 60, 58] Generated Node #0,3: 57:[59, 60, 58] Operation: 77-19=58 Exploring Operation: 77-59=18, Resulting Numbers: [60, 19, 18] Generated Node #0,4: 57:[60, 19, 18] Operation: 77-59=18 Moving to Node #0,1 Current State: 57:[59, 19, 17], Operations: ['77-60=17'] Exploring Operation: 59-19=40, Resulting Numbers: [17, 40] Generated Node #0,1,0: 57:[17, 40] Operation: 59-19=40 Exploring Operation: 59+17=76, Resulting Numbers: [19, 76] Generated Node #0,1,1: 57:[19, 76] Operation: 59+17=76 Exploring Operation: 19+17=36, Resulting Numbers: [59, 36] Generated Node #0,1,2: 57:[59, 36] Operation: 19+17=36 Exploring Operation: 19-17=2, Resulting Numbers: [59, 2] Generated Node #0,1,3: 57:[59, 2] Operation: 19-17=2 Exploring Operation: 59-17=42, Resulting Numbers: [19, 42] Generated Node #0,1,4: 57:[19, 42] Operation: 59-17=42 Moving to Node #0,4 Current State: 57:[60, 19, 18], Operations: ['77-59=18'] Exploring Operation: 19-18=1, Resulting Numbers: [60, 1] Generated Node #0,4,0: 57:[60, 1] Operation: 19-18=1 Exploring Operation: 60-18=42, Resulting Numbers: [19, 42] Generated Node #0,4,1: 57:[19, 42] Operation: 60-18=42 Exploring Operation: 60+18=78, Resulting Numbers: [19, 78] Generated Node #0,4,2: 57:[19, 78] Operation: 60+18=78 Exploring Operation: 19+18=37, Resulting Numbers: [60, 37] Generated Node #0,4,3: 57:[60, 37] Operation: 19+18=37 Exploring Operation: 60-19=41, Resulting Numbers: [18, 41] Generated Node #0,4,4: 57:[18, 41] Operation: 60-19=41 Moving to Node #0,3 Current State: 57:[59, 60, 58], Operations: ['77-19=58'] Exploring Operation: 60-59=1, Resulting Numbers: [58, 1] Generated Node #0,3,0: 57:[58, 1] Operation: 60-59=1 Exploring Operation: 59+60=119, Resulting Numbers: [58, 119] Generated Node #0,3,1: 57:[58, 119] Operation: 59+60=119 Exploring Operation: 59+58=117, Resulting Numbers: [60, 117] Generated Node #0,3,2: 57:[60, 117] Operation: 59+58=117 Exploring Operation: 59-58=1, Resulting Numbers: [60, 1] Generated Node #0,3,3: 57:[60, 1] Operation: 59-58=1 Exploring Operation: 60-58=2, Resulting Numbers: [59, 2] Generated Node #0,3,4: 57:[59, 2] Operation: 60-58=2 Moving to Node #0,2 Current State: 57:[77, 19, 1], Operations: ['60-59=1'] Exploring Operation: 77-19=58, Resulting Numbers: [1, 58] Generated Node #0,2,0: 57:[1, 58] Operation: 77-19=58 Exploring Operation: 77-1=76, Resulting Numbers: [19, 76] Generated Node #0,2,1: 57:[19, 76] Operation: 77-1=76 Exploring Operation: 77/1=77, Resulting Numbers: [19, 77] Generated Node #0,2,2: 57:[19, 77] Operation: 77/1=77 Exploring Operation: 77*1=77, Resulting Numbers: [19, 77] Generated Node #0,2,3: 57:[19, 77] Operation: 77*1=77 Exploring Operation: 19*1=19, Resulting Numbers: [77, 19] Generated Node #0,2,4: 57:[77, 19] Operation: 19*1=19 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 57:[1, 58], Operations: ['60-59=1', '77-19=58'] Exploring Operation: 1*58=58, Resulting Numbers: [58] 58,57 unequal: No Solution Exploring Operation: 1+58=59, Resulting Numbers: [59] 59,57 unequal: No Solution Exploring Operation: 58-1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[77, 59, 60, 19], Operations: [] Exploring Operation: 60-59=1, Resulting Numbers: [77, 19, 1] Generated Node #0,2: 57:[77, 19, 1] Operation: 60-59=1 Moving to Node #0,2 Current State: 57:[77, 19, 1], Operations: ['60-59=1'] Exploring Operation: 77-19=58, Resulting Numbers: [1, 58] Generated Node #0,2,0: 57:[1, 58] Operation: 77-19=58 Moving to Node #0,2,0 Current State: 57:[1, 58], Operations: ['60-59=1', '77-19=58'] Exploring Operation: 58-1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 1
0.972222
hs_5
sum_heuristic
[ 65, 84, 56, 26 ]
49
[ "84-65=19", "56-26=30", "19+30=49" ]
Current State: 49:[65, 84, 56, 26], Operations: [] Exploring Operation: 84-65=19, Resulting Numbers: [56, 26, 19] Generated Node #2: [56, 26, 19] from Operation: 84-65=19 Current State: 49:[56, 26, 19], Operations: ['84-65=19'] Exploring Operation: 56-26=30, Resulting Numbers: [19, 30] Generated Node #3: [19, 30] from Operation: 56-26=30 Current State: 49:[19, 30], Operations: ['84-65=19', '56-26=30'] Exploring Operation: 19+30=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[65, 84, 56, 26], Operations: [] Exploring Operation: 84-26=58, Resulting Numbers: [65, 56, 58] Generated Node #0,0: 49:[65, 56, 58] Operation: 84-26=58 Exploring Operation: 65-26=39, Resulting Numbers: [84, 56, 39] Generated Node #0,1: 49:[84, 56, 39] Operation: 65-26=39 Exploring Operation: 84-65=19, Resulting Numbers: [56, 26, 19] Generated Node #0,2: 49:[56, 26, 19] Operation: 84-65=19 Exploring Operation: 65-56=9, Resulting Numbers: [84, 26, 9] Generated Node #0,3: 49:[84, 26, 9] Operation: 65-56=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[65, 56, 58], Operations: ['84-26=58'] Exploring Operation: 65-56=9, Resulting Numbers: [58, 9] Generated Node #0,0,0: 49:[58, 9] Operation: 65-56=9 Exploring Operation: 65-58=7, Resulting Numbers: [56, 7] Generated Node #0,0,1: 49:[56, 7] Operation: 65-58=7 Exploring Operation: 58-56=2, Resulting Numbers: [65, 2] Generated Node #0,0,2: 49:[65, 2] Operation: 58-56=2 Exploring Operation: 65+56=121, Resulting Numbers: [58, 121] Generated Node #0,0,3: 49:[58, 121] Operation: 65+56=121 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 49:[56, 7], Operations: ['84-26=58', '65-58=7'] Exploring Operation: 56+7=63, Resulting Numbers: [63] 63,49 unequal: No Solution Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,49 unequal: No Solution Exploring Operation: 56*7=392, Resulting Numbers: [392] 392,49 unequal: No Solution Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[65, 84, 56, 26], Operations: [] Exploring Operation: 84-26=58, Resulting Numbers: [65, 56, 58] Generated Node #0,0: 49:[65, 56, 58] Operation: 84-26=58 Moving to Node #0,0 Current State: 49:[65, 56, 58], Operations: ['84-26=58'] Exploring Operation: 65-58=7, Resulting Numbers: [56, 7] Generated Node #0,0,1: 49:[56, 7] Operation: 65-58=7 Moving to Node #0,0,1 Current State: 49:[56, 7], Operations: ['84-26=58', '65-58=7'] Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 79, 3, 17, 34 ]
99
[ "79+3=82", "34-17=17", "82+17=99" ]
Current State: 99:[79, 3, 17, 34], Operations: [] Exploring Operation: 79+3=82, Resulting Numbers: [17, 34, 82] Generated Node #2: [17, 34, 82] from Operation: 79+3=82 Current State: 99:[17, 34, 82], Operations: ['79+3=82'] Exploring Operation: 34-17=17, Resulting Numbers: [82, 17] Generated Node #3: [82, 17] from Operation: 34-17=17 Current State: 99:[82, 17], Operations: ['79+3=82', '34-17=17'] Exploring Operation: 82+17=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[79, 3, 17, 34], Operations: [] Exploring Operation: 79+17=96, Resulting Numbers: [3, 34, 96] Generated Node #0,0: 99:[3, 34, 96] Operation: 79+17=96 Exploring Operation: 79-34=45, Resulting Numbers: [3, 17, 45] Generated Node #0,1: 99:[3, 17, 45] Operation: 79-34=45 Moving to Node #0,0 Current State: 99:[3, 34, 96], Operations: ['79+17=96'] Exploring Operation: 96/3=32, Resulting Numbers: [34, 32] Generated Node #0,0,0: 99:[34, 32] Operation: 96/3=32 Exploring Operation: 3+96=99, Resulting Numbers: [34, 99] Generated Node #0,0,1: 99:[34, 99] Operation: 3+96=99 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 99:[34, 99], Operations: ['79+17=96', '3+96=99'] Exploring Operation: 99-34=65, Resulting Numbers: [65] 65,99 unequal: No Solution Exploring Operation: 34+99=133, Resulting Numbers: [133] 133,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 99:[34, 32], Operations: ['79+17=96', '96/3=32'] Exploring Operation: 34+32=66, Resulting Numbers: [66] 66,99 unequal: No Solution Exploring Operation: 34-32=2, Resulting Numbers: [2] 2,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 99:[3, 17, 45], Operations: ['79-34=45'] Exploring Operation: 45-17=28, Resulting Numbers: [3, 28] Generated Node #0,1,0: 99:[3, 28] Operation: 45-17=28 Exploring Operation: 45/3=15, Resulting Numbers: [17, 15] Generated Node #0,1,1: 99:[17, 15] Operation: 45/3=15 Moving to Node #0,1,0 Current State: 99:[3, 28], Operations: ['79-34=45', '45-17=28'] Exploring Operation: 3+28=31, Resulting Numbers: [31] 31,99 unequal: No Solution Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,99 unequal: No Solution Moving to Node #0,1,1 Current State: 99:[17, 15], Operations: ['79-34=45', '45/3=15'] Exploring Operation: 17+15=32, Resulting Numbers: [32] 32,99 unequal: No Solution Exploring Operation: 17-15=2, Resulting Numbers: [2] 2,99 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 15, 30, 80, 1 ]
82
[ "30/15=2", "80*1=80", "2+80=82" ]
Current State: 82:[15, 30, 80, 1], Operations: [] Exploring Operation: 30/15=2, Resulting Numbers: [80, 1, 2] Generated Node #2: [80, 1, 2] from Operation: 30/15=2 Current State: 82:[80, 1, 2], Operations: ['30/15=2'] Exploring Operation: 80*1=80, Resulting Numbers: [2, 80] Generated Node #3: [2, 80] from Operation: 80*1=80 Current State: 82:[2, 80], Operations: ['30/15=2', '80*1=80'] Exploring Operation: 2+80=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[15, 30, 80, 1], Operations: [] Exploring Operation: 30/15=2, Resulting Numbers: [80, 1, 2] Generated Node #0,0: 82:[80, 1, 2] Operation: 30/15=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[80, 1, 2], Operations: ['30/15=2'] Exploring Operation: 80+1=81, Resulting Numbers: [2, 81] Generated Node #0,0,0: 82:[2, 81] Operation: 80+1=81 Moving to Node #0,0,0 Current State: 82:[2, 81], Operations: ['30/15=2', '80+1=81'] Exploring Operation: 2+81=83, Resulting Numbers: [83] 83,82 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
[ 5, 25, 20, 13 ]
61
[ "25*13=325", "325-20=305", "305/5=61" ]
Current State: 61:[5, 25, 20, 13], Operations: [] Exploring Operation: 25*13=325, Resulting Numbers: [5, 20, 325] Generated Node #2: [5, 20, 325] from Operation: 25*13=325 Current State: 61:[5, 20, 325], Operations: ['25*13=325'] Exploring Operation: 325-20=305, Resulting Numbers: [5, 305] Generated Node #3: [5, 305] from Operation: 325-20=305 Current State: 61:[5, 305], Operations: ['25*13=325', '325-20=305'] Exploring Operation: 305/5=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[5, 25, 20, 13], Operations: [] Exploring Operation: 5+13=18, Resulting Numbers: [25, 20, 18] Generated Node #0,0: 61:[25, 20, 18] Operation: 5+13=18 Exploring Operation: 5+25=30, Resulting Numbers: [20, 13, 30] Generated Node #0,1: 61:[20, 13, 30] Operation: 5+25=30 Exploring Operation: 25+20=45, Resulting Numbers: [5, 13, 45] Generated Node #0,2: 61:[5, 13, 45] Operation: 25+20=45 Exploring Operation: 5+20=25, Resulting Numbers: [25, 13, 25] Generated Node #0,3: 61:[25, 13, 25] Operation: 5+20=25 Exploring Operation: 5*13=65, Resulting Numbers: [25, 20, 65] Generated Node #0,4: 61:[25, 20, 65] Operation: 5*13=65 Start Sub Search at level 1: Moving to Node #0,4 Current State: 61:[25, 20, 65], Operations: ['5*13=65'] Exploring Operation: 65-25=40, Resulting Numbers: [20, 40] Generated Node #0,4,0: 61:[20, 40] Operation: 65-25=40 Exploring Operation: 25-20=5, Resulting Numbers: [65, 5] Generated Node #0,4,1: 61:[65, 5] Operation: 25-20=5 Exploring Operation: 25+20=45, Resulting Numbers: [65, 45] Generated Node #0,4,2: 61:[65, 45] Operation: 25+20=45 Exploring Operation: 20+65=85, Resulting Numbers: [25, 85] Generated Node #0,4,3: 61:[25, 85] Operation: 20+65=85 Exploring Operation: 65-20=45, Resulting Numbers: [25, 45] Generated Node #0,4,4: 61:[25, 45] Operation: 65-20=45 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 61:[65, 45], Operations: ['5*13=65', '25+20=45'] Exploring Operation: 65*45=2925, Resulting Numbers: [2925] 2925,61 unequal: No Solution Exploring Operation: 65-45=20, Resulting Numbers: [20] 20,61 unequal: No Solution Exploring Operation: 65+45=110, Resulting Numbers: [110] 110,61 unequal: No Solution No 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: 61:[25, 45], Operations: ['5*13=65', '65-20=45'] Exploring Operation: 25*45=1125, Resulting Numbers: [1125] 1125,61 unequal: No Solution Exploring Operation: 25+45=70, Resulting Numbers: [70] 70,61 unequal: No Solution Exploring Operation: 45-25=20, Resulting Numbers: [20] 20,61 unequal: No Solution No 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: 61:[65, 5], Operations: ['5*13=65', '25-20=5'] Exploring Operation: 65-5=60, Resulting Numbers: [60] 60,61 unequal: No Solution Exploring Operation: 65*5=325, Resulting Numbers: [325] 325,61 unequal: No Solution Exploring Operation: 65/5=13, Resulting Numbers: [13] 13,61 unequal: No Solution Exploring Operation: 65+5=70, Resulting Numbers: [70] 70,61 unequal: No Solution No 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: 61:[25, 85], Operations: ['5*13=65', '20+65=85'] Exploring Operation: 25*85=2125, Resulting Numbers: [2125] 2125,61 unequal: No Solution Exploring Operation: 85-25=60, Resulting Numbers: [60] 60,61 unequal: No Solution Exploring Operation: 25+85=110, Resulting Numbers: [110] 110,61 unequal: No Solution No 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: 61:[20, 40], Operations: ['5*13=65', '65-25=40'] Exploring Operation: 20*40=800, Resulting Numbers: [800] 800,61 unequal: No Solution Exploring Operation: 20+40=60, Resulting Numbers: [60] 60,61 unequal: No Solution Exploring Operation: 40-20=20, Resulting Numbers: [20] 20,61 unequal: No Solution Exploring Operation: 40/20=2, Resulting Numbers: [2] 2,61 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: 61:[25, 20, 18], Operations: ['5+13=18'] Exploring Operation: 25+20=45, Resulting Numbers: [18, 45] Generated Node #0,0,0: 61:[18, 45] Operation: 25+20=45 Exploring Operation: 25-18=7, Resulting Numbers: [20, 7] Generated Node #0,0,1: 61:[20, 7] Operation: 25-18=7 Exploring Operation: 25+18=43, Resulting Numbers: [20, 43] Generated Node #0,0,2: 61:[20, 43] Operation: 25+18=43 Exploring Operation: 20+18=38, Resulting Numbers: [25, 38] Generated Node #0,0,3: 61:[25, 38] Operation: 20+18=38 Exploring Operation: 20-18=2, Resulting Numbers: [25, 2] Generated Node #0,0,4: 61:[25, 2] Operation: 20-18=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 61:[18, 45], Operations: ['5+13=18', '25+20=45'] Exploring Operation: 18*45=810, Resulting Numbers: [810] 810,61 unequal: No Solution Exploring Operation: 45-18=27, Resulting Numbers: [27] 27,61 unequal: No Solution Exploring Operation: 18+45=63, Resulting Numbers: [63] 63,61 unequal: No Solution No 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: 61:[20, 43], Operations: ['5+13=18', '25+18=43'] Exploring Operation: 20*43=860, Resulting Numbers: [860] 860,61 unequal: No Solution Exploring Operation: 20+43=63, Resulting Numbers: [63] 63,61 unequal: No Solution Exploring Operation: 43-20=23, Resulting Numbers: [23] 23,61 unequal: No Solution No 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: 61:[25, 38], Operations: ['5+13=18', '20+18=38'] Exploring Operation: 38-25=13, Resulting Numbers: [13] 13,61 unequal: No Solution Exploring Operation: 25*38=950, Resulting Numbers: [950] 950,61 unequal: No Solution Exploring Operation: 25+38=63, Resulting Numbers: [63] 63,61 unequal: No Solution No 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: 61:[20, 7], Operations: ['5+13=18', '25-18=7'] Exploring Operation: 20+7=27, Resulting Numbers: [27] 27,61 unequal: No Solution Exploring Operation: 20*7=140, Resulting Numbers: [140] 140,61 unequal: No Solution Exploring Operation: 20-7=13, Resulting Numbers: [13] 13,61 unequal: No Solution No 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: 61:[25, 2], Operations: ['5+13=18', '20-18=2'] Exploring Operation: 25+2=27, Resulting Numbers: [27] 27,61 unequal: No Solution Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,61 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,61 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: 61:[20, 13, 30], Operations: ['5+25=30'] Exploring Operation: 20+30=50, Resulting Numbers: [13, 50] Generated Node #0,1,0: 61:[13, 50] Operation: 20+30=50 Exploring Operation: 13+30=43, Resulting Numbers: [20, 43] Generated Node #0,1,1: 61:[20, 43] Operation: 13+30=43 Exploring Operation: 30-13=17, Resulting Numbers: [20, 17] Generated Node #0,1,2: 61:[20, 17] Operation: 30-13=17 Exploring Operation: 20+13=33, Resulting Numbers: [30, 33] Generated Node #0,1,3: 61:[30, 33] Operation: 20+13=33 Exploring Operation: 20-13=7, Resulting Numbers: [30, 7] Generated Node #0,1,4: 61:[30, 7] Operation: 20-13=7 Moving to Node #0,1,0 Current State: 61:[13, 50], Operations: ['5+25=30', '20+30=50'] Exploring Operation: 50-13=37, Resulting Numbers: [37] 37,61 unequal: No Solution Exploring Operation: 13+50=63, Resulting Numbers: [63] 63,61 unequal: No Solution Exploring Operation: 13*50=650, Resulting Numbers: [650] 650,61 unequal: No Solution Moving to Node #0,1,3 Current State: 61:[30, 33], Operations: ['5+25=30', '20+13=33'] Exploring Operation: 30*33=990, Resulting Numbers: [990] 990,61 unequal: No Solution Exploring Operation: 30+33=63, Resulting Numbers: [63] 63,61 unequal: No Solution Exploring Operation: 33-30=3, Resulting Numbers: [3] 3,61 unequal: No Solution Moving to Node #0,1,1 Current State: 61:[20, 43], Operations: ['5+25=30', '13+30=43'] Exploring Operation: 43-20=23, Resulting Numbers: [23] 23,61 unequal: No Solution Exploring Operation: 20+43=63, Resulting Numbers: [63] 63,61 unequal: No Solution Exploring Operation: 20*43=860, Resulting Numbers: [860] 860,61 unequal: No Solution Moving to Node #0,1,2 Current State: 61:[20, 17], Operations: ['5+25=30', '30-13=17'] Exploring Operation: 20+17=37, Resulting Numbers: [37] 37,61 unequal: No Solution Exploring Operation: 20-17=3, Resulting Numbers: [3] 3,61 unequal: No Solution Exploring Operation: 20*17=340, Resulting Numbers: [340] 340,61 unequal: No Solution Moving to Node #0,1,4 Current State: 61:[30, 7], Operations: ['5+25=30', '20-13=7'] Exploring Operation: 30*7=210, Resulting Numbers: [210] 210,61 unequal: No Solution Exploring Operation: 30+7=37, Resulting Numbers: [37] 37,61 unequal: No Solution Exploring Operation: 30-7=23, Resulting Numbers: [23] 23,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 61:[5, 13, 45], Operations: ['25+20=45'] Exploring Operation: 13+45=58, Resulting Numbers: [5, 58] Generated Node #0,2,0: 61:[5, 58] Operation: 13+45=58 Exploring Operation: 13-5=8, Resulting Numbers: [45, 8] Generated Node #0,2,1: 61:[45, 8] Operation: 13-5=8 Exploring Operation: 5+13=18, Resulting Numbers: [45, 18] Generated Node #0,2,2: 61:[45, 18] Operation: 5+13=18 Exploring Operation: 5*13=65, Resulting Numbers: [45, 65] Generated Node #0,2,3: 61:[45, 65] Operation: 5*13=65 Exploring Operation: 5+45=50, Resulting Numbers: [13, 50] Generated Node #0,2,4: 61:[13, 50] Operation: 5+45=50 Moving to Node #0,2,3 Current State: 61:[45, 65], Operations: ['25+20=45', '5*13=65'] Exploring Operation: 45+65=110, Resulting Numbers: [110] 110,61 unequal: No Solution Exploring Operation: 45*65=2925, Resulting Numbers: [2925] 2925,61 unequal: No Solution Exploring Operation: 65-45=20, Resulting Numbers: [20] 20,61 unequal: No Solution Moving to Node #0,2,2 Current State: 61:[45, 18], Operations: ['25+20=45', '5+13=18'] Exploring Operation: 45+18=63, Resulting Numbers: [63] 63,61 unequal: No Solution Exploring Operation: 45*18=810, Resulting Numbers: [810] 810,61 unequal: No Solution Exploring Operation: 45-18=27, Resulting Numbers: [27] 27,61 unequal: No Solution Moving to Node #0,2,0 Current State: 61:[5, 58], Operations: ['25+20=45', '13+45=58'] Exploring Operation: 5*58=290, Resulting Numbers: [290] 290,61 unequal: No Solution Exploring Operation: 5+58=63, Resulting Numbers: [63] 63,61 unequal: No Solution Exploring Operation: 58-5=53, Resulting Numbers: [53] 53,61 unequal: No Solution Moving to Node #0,2,4 Current State: 61:[13, 50], Operations: ['25+20=45', '5+45=50'] Exploring Operation: 13+50=63, Resulting Numbers: [63] 63,61 unequal: No Solution Exploring Operation: 50-13=37, Resulting Numbers: [37] 37,61 unequal: No Solution Exploring Operation: 13*50=650, Resulting Numbers: [650] 650,61 unequal: No Solution Moving to Node #0,2,1 Current State: 61:[45, 8], Operations: ['25+20=45', '13-5=8'] Exploring Operation: 45*8=360, Resulting Numbers: [360] 360,61 unequal: No Solution Exploring Operation: 45-8=37, Resulting Numbers: [37] 37,61 unequal: No Solution Exploring Operation: 45+8=53, Resulting Numbers: [53] 53,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 61:[25, 13, 25], Operations: ['5+20=25'] Exploring Operation: 25-13=12, Resulting Numbers: [25, 12] Generated Node #0,3,0: 61:[25, 12] Operation: 25-13=12 Exploring Operation: 25+25=50, Resulting Numbers: [13, 50] Generated Node #0,3,1: 61:[13, 50] Operation: 25+25=50 Exploring Operation: 25-13=12, Resulting Numbers: [25, 12] Generated Node #0,3,2: 61:[25, 12] Operation: 25-13=12 Exploring Operation: 13+25=38, Resulting Numbers: [25, 38] Generated Node #0,3,3: 61:[25, 38] Operation: 13+25=38 Exploring Operation: 25+13=38, Resulting Numbers: [25, 38] Generated Node #0,3,4: 61:[25, 38] Operation: 25+13=38 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 61:[13, 50], Operations: ['5+20=25', '25+25=50'] Exploring Operation: 13*50=650, Resulting Numbers: [650] 650,61 unequal: No Solution Exploring Operation: 50-13=37, Resulting Numbers: [37] 37,61 unequal: No Solution Exploring Operation: 13+50=63, Resulting Numbers: [63] 63,61 unequal: No Solution No 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: 61:[25, 38], Operations: ['5+20=25', '13+25=38'] Exploring Operation: 25*38=950, Resulting Numbers: [950] 950,61 unequal: No Solution Exploring Operation: 25+38=63, Resulting Numbers: [63] 63,61 unequal: No Solution Exploring Operation: 38-25=13, Resulting Numbers: [13] 13,61 unequal: No Solution No 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: 61:[25, 38], Operations: ['5+20=25', '25+13=38'] Exploring Operation: 38-25=13, Resulting Numbers: [13] 13,61 unequal: No Solution Exploring Operation: 25*38=950, Resulting Numbers: [950] 950,61 unequal: No Solution Exploring Operation: 25+38=63, Resulting Numbers: [63] 63,61 unequal: No Solution No 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: 61:[25, 12], Operations: ['5+20=25', '25-13=12'] Exploring Operation: 25-12=13, Resulting Numbers: [13] 13,61 unequal: No Solution Exploring Operation: 25*12=300, Resulting Numbers: [300] 300,61 unequal: No Solution Exploring Operation: 25+12=37, Resulting Numbers: [37] 37,61 unequal: No Solution No 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: 61:[25, 12], Operations: ['5+20=25', '25-13=12'] Exploring Operation: 25*12=300, Resulting Numbers: [300] 300,61 unequal: No Solution Exploring Operation: 25+12=37, Resulting Numbers: [37] 37,61 unequal: No Solution Exploring Operation: 25-12=13, Resulting Numbers: [13] 13,61 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
[ 66, 98, 40, 61 ]
53
[ "98-66=32", "61-40=21", "32+21=53" ]
Current State: 53:[66, 98, 40, 61], Operations: [] Exploring Operation: 98-66=32, Resulting Numbers: [40, 61, 32] Generated Node #2: [40, 61, 32] from Operation: 98-66=32 Current State: 53:[40, 61, 32], Operations: ['98-66=32'] Exploring Operation: 61-40=21, Resulting Numbers: [32, 21] Generated Node #3: [32, 21] from Operation: 61-40=21 Current State: 53:[32, 21], Operations: ['98-66=32', '61-40=21'] Exploring Operation: 32+21=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[66, 98, 40, 61], Operations: [] Exploring Operation: 98-61=37, Resulting Numbers: [66, 40, 37] Generated Node #0,0: 53:[66, 40, 37] Operation: 98-61=37 Exploring Operation: 98-40=58, Resulting Numbers: [66, 61, 58] Generated Node #0,1: 53:[66, 61, 58] Operation: 98-40=58 Exploring Operation: 61-40=21, Resulting Numbers: [66, 98, 21] Generated Node #0,2: 53:[66, 98, 21] Operation: 61-40=21 Exploring Operation: 66-40=26, Resulting Numbers: [98, 61, 26] Generated Node #0,3: 53:[98, 61, 26] Operation: 66-40=26 Exploring Operation: 98-66=32, Resulting Numbers: [40, 61, 32] Generated Node #0,4: 53:[40, 61, 32] Operation: 98-66=32 Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[66, 61, 58], Operations: ['98-40=58'] Exploring Operation: 66-58=8, Resulting Numbers: [61, 8] Generated Node #0,1,0: 53:[61, 8] Operation: 66-58=8 Exploring Operation: 61-58=3, Resulting Numbers: [66, 3] Generated Node #0,1,1: 53:[66, 3] Operation: 61-58=3 Exploring Operation: 66+61=127, Resulting Numbers: [58, 127] Generated Node #0,1,2: 53:[58, 127] Operation: 66+61=127 Exploring Operation: 66+58=124, Resulting Numbers: [61, 124] Generated Node #0,1,3: 53:[61, 124] Operation: 66+58=124 Exploring Operation: 66-61=5, Resulting Numbers: [58, 5] Generated Node #0,1,4: 53:[58, 5] Operation: 66-61=5 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 53:[61, 8], Operations: ['98-40=58', '66-58=8'] Exploring Operation: 61*8=488, Resulting Numbers: [488] 488,53 unequal: No Solution Exploring Operation: 61+8=69, Resulting Numbers: [69] 69,53 unequal: No Solution Exploring Operation: 61-8=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[66, 98, 40, 61], Operations: [] Exploring Operation: 98-40=58, Resulting Numbers: [66, 61, 58] Generated Node #0,1: 53:[66, 61, 58] Operation: 98-40=58 Moving to Node #0,1 Current State: 53:[66, 61, 58], Operations: ['98-40=58'] Exploring Operation: 66-58=8, Resulting Numbers: [61, 8] Generated Node #0,1,0: 53:[61, 8] Operation: 66-58=8 Moving to Node #0,1,0 Current State: 53:[61, 8], Operations: ['98-40=58', '66-58=8'] Exploring Operation: 61-8=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 43, 19, 73, 38 ]
15
[ "73-43=30", "38/19=2", "30/2=15" ]
Current State: 15:[43, 19, 73, 38], Operations: [] Exploring Operation: 73-43=30, Resulting Numbers: [19, 38, 30] Generated Node #2: [19, 38, 30] from Operation: 73-43=30 Current State: 15:[19, 38, 30], Operations: ['73-43=30'] Exploring Operation: 38/19=2, Resulting Numbers: [30, 2] Generated Node #3: [30, 2] from Operation: 38/19=2 Current State: 15:[30, 2], Operations: ['73-43=30', '38/19=2'] Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[43, 19, 73, 38], Operations: [] Exploring Operation: 73-43=30, Resulting Numbers: [19, 38, 30] Generated Node #0,0: 15:[19, 38, 30] Operation: 73-43=30 Exploring Operation: 38/19=2, Resulting Numbers: [43, 73, 2] Generated Node #0,1: 15:[43, 73, 2] Operation: 38/19=2 Exploring Operation: 43-38=5, Resulting Numbers: [19, 73, 5] Generated Node #0,2: 15:[19, 73, 5] Operation: 43-38=5 Exploring Operation: 73-38=35, Resulting Numbers: [43, 19, 35] Generated Node #0,3: 15:[43, 19, 35] Operation: 73-38=35 Moving to Node #0,0 Current State: 15:[19, 38, 30], Operations: ['73-43=30'] Exploring Operation: 30-19=11, Resulting Numbers: [38, 11] Generated Node #0,0,0: 15:[38, 11] Operation: 30-19=11 Exploring Operation: 38-19=19, Resulting Numbers: [30, 19] Generated Node #0,0,1: 15:[30, 19] Operation: 38-19=19 Exploring Operation: 38-30=8, Resulting Numbers: [19, 8] Generated Node #0,0,2: 15:[19, 8] Operation: 38-30=8 Exploring Operation: 38/19=2, Resulting Numbers: [30, 2] Generated Node #0,0,3: 15:[30, 2] Operation: 38/19=2 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 15:[19, 8], Operations: ['73-43=30', '38-30=8'] Exploring Operation: 19+8=27, Resulting Numbers: [27] 27,15 unequal: No Solution Exploring Operation: 19*8=152, Resulting Numbers: [152] 152,15 unequal: No Solution Exploring Operation: 19-8=11, Resulting Numbers: [11] 11,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 15:[30, 2], Operations: ['73-43=30', '38/19=2'] Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[43, 19, 73, 38], Operations: [] Exploring Operation: 73-43=30, Resulting Numbers: [19, 38, 30] Generated Node #0,0: 15:[19, 38, 30] Operation: 73-43=30 Moving to Node #0,0 Current State: 15:[19, 38, 30], Operations: ['73-43=30'] Exploring Operation: 38/19=2, Resulting Numbers: [30, 2] Generated Node #0,0,3: 15:[30, 2] Operation: 38/19=2 Moving to Node #0,0,3 Current State: 15:[30, 2], Operations: ['73-43=30', '38/19=2'] Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 12, 83, 25, 21 ]
75
[ "83-12=71", "25-21=4", "71+4=75" ]
Current State: 75:[12, 83, 25, 21], Operations: [] Exploring Operation: 83-12=71, Resulting Numbers: [25, 21, 71] Generated Node #2: [25, 21, 71] from Operation: 83-12=71 Current State: 75:[25, 21, 71], Operations: ['83-12=71'] Exploring Operation: 25-21=4, Resulting Numbers: [71, 4] Generated Node #3: [71, 4] from Operation: 25-21=4 Current State: 75:[71, 4], Operations: ['83-12=71', '25-21=4'] Exploring Operation: 71+4=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[12, 83, 25, 21], Operations: [] Exploring Operation: 83-12=71, Resulting Numbers: [25, 21, 71] Generated Node #0,0: 75:[25, 21, 71] Operation: 83-12=71 Exploring Operation: 25-12=13, Resulting Numbers: [83, 21, 13] Generated Node #0,1: 75:[83, 21, 13] Operation: 25-12=13 Exploring Operation: 21-12=9, Resulting Numbers: [83, 25, 9] Generated Node #0,2: 75:[83, 25, 9] Operation: 21-12=9 Exploring Operation: 25-21=4, Resulting Numbers: [12, 83, 4] Generated Node #0,3: 75:[12, 83, 4] Operation: 25-21=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[25, 21, 71], Operations: ['83-12=71'] Exploring Operation: 25+71=96, Resulting Numbers: [21, 96] Generated Node #0,0,0: 75:[21, 96] Operation: 25+71=96 Exploring Operation: 21+71=92, Resulting Numbers: [25, 92] Generated Node #0,0,1: 75:[25, 92] Operation: 21+71=92 Exploring Operation: 25+21=46, Resulting Numbers: [71, 46] Generated Node #0,0,2: 75:[71, 46] Operation: 25+21=46 Exploring Operation: 25-21=4, Resulting Numbers: [71, 4] Generated Node #0,0,3: 75:[71, 4] Operation: 25-21=4 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 75:[71, 4], Operations: ['83-12=71', '25-21=4'] Exploring Operation: 71*4=284, Resulting Numbers: [284] 284,75 unequal: No Solution Exploring Operation: 71-4=67, Resulting Numbers: [67] 67,75 unequal: No Solution Exploring Operation: 71+4=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[12, 83, 25, 21], Operations: [] Exploring Operation: 83-12=71, Resulting Numbers: [25, 21, 71] Generated Node #0,0: 75:[25, 21, 71] Operation: 83-12=71 Moving to Node #0,0 Current State: 75:[25, 21, 71], Operations: ['83-12=71'] Exploring Operation: 25-21=4, Resulting Numbers: [71, 4] Generated Node #0,0,3: 75:[71, 4] Operation: 25-21=4 Moving to Node #0,0,3 Current State: 75:[71, 4], Operations: ['83-12=71', '25-21=4'] Exploring Operation: 71+4=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 81, 29, 69, 26 ]
58
[ "29-26=3", "69/3=23", "81-23=58" ]
Current State: 58:[81, 29, 69, 26], Operations: [] Exploring Operation: 29-26=3, Resulting Numbers: [81, 69, 3] Generated Node #2: [81, 69, 3] from Operation: 29-26=3 Current State: 58:[81, 69, 3], Operations: ['29-26=3'] Exploring Operation: 69/3=23, Resulting Numbers: [81, 23] Generated Node #3: [81, 23] from Operation: 69/3=23 Current State: 58:[81, 23], Operations: ['29-26=3', '69/3=23'] Exploring Operation: 81-23=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[81, 29, 69, 26], Operations: [] Exploring Operation: 29-26=3, Resulting Numbers: [81, 69, 3] Generated Node #0,0: 58:[81, 69, 3] Operation: 29-26=3 Exploring Operation: 81-26=55, Resulting Numbers: [29, 69, 55] Generated Node #0,1: 58:[29, 69, 55] Operation: 81-26=55 Exploring Operation: 81-69=12, Resulting Numbers: [29, 26, 12] Generated Node #0,2: 58:[29, 26, 12] Operation: 81-69=12 Exploring Operation: 81-29=52, Resulting Numbers: [69, 26, 52] Generated Node #0,3: 58:[69, 26, 52] Operation: 81-29=52 Exploring Operation: 69-29=40, Resulting Numbers: [81, 26, 40] Generated Node #0,4: 58:[81, 26, 40] Operation: 69-29=40 Start Sub Search at level 1: Moving to Node #0,2 Current State: 58:[29, 26, 12], Operations: ['81-69=12'] Exploring Operation: 29-26=3, Resulting Numbers: [12, 3] Generated Node #0,2,0: 58:[12, 3] Operation: 29-26=3 Exploring Operation: 29+26=55, Resulting Numbers: [12, 55] Generated Node #0,2,1: 58:[12, 55] Operation: 29+26=55 Exploring Operation: 26-12=14, Resulting Numbers: [29, 14] Generated Node #0,2,2: 58:[29, 14] Operation: 26-12=14 Exploring Operation: 29+12=41, Resulting Numbers: [26, 41] Generated Node #0,2,3: 58:[26, 41] Operation: 29+12=41 Exploring Operation: 26+12=38, Resulting Numbers: [29, 38] Generated Node #0,2,4: 58:[29, 38] Operation: 26+12=38 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 58:[29, 38], Operations: ['81-69=12', '26+12=38'] Exploring Operation: 29*38=1102, Resulting Numbers: [1102] 1102,58 unequal: No Solution Exploring Operation: 29+38=67, Resulting Numbers: [67] 67,58 unequal: No Solution Exploring Operation: 38-29=9, Resulting Numbers: [9] 9,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 58:[12, 3], Operations: ['81-69=12', '29-26=3'] Exploring Operation: 12+3=15, Resulting Numbers: [15] 15,58 unequal: No Solution Exploring Operation: 12*3=36, Resulting Numbers: [36] 36,58 unequal: No Solution Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,58 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 58:[29, 14], Operations: ['81-69=12', '26-12=14'] Exploring Operation: 29*14=406, Resulting Numbers: [406] 406,58 unequal: No Solution Exploring Operation: 29-14=15, Resulting Numbers: [15] 15,58 unequal: No Solution Exploring Operation: 29+14=43, Resulting Numbers: [43] 43,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 58:[12, 55], Operations: ['81-69=12', '29+26=55'] Exploring Operation: 12+55=67, Resulting Numbers: [67] 67,58 unequal: No Solution Exploring Operation: 12*55=660, Resulting Numbers: [660] 660,58 unequal: No Solution Exploring Operation: 55-12=43, Resulting Numbers: [43] 43,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 58:[26, 41], Operations: ['81-69=12', '29+12=41'] Exploring Operation: 26+41=67, Resulting Numbers: [67] 67,58 unequal: No Solution Exploring Operation: 26*41=1066, Resulting Numbers: [1066] 1066,58 unequal: No Solution Exploring Operation: 41-26=15, Resulting Numbers: [15] 15,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 58:[29, 69, 55], Operations: ['81-26=55'] Exploring Operation: 69-29=40, Resulting Numbers: [55, 40] Generated Node #0,1,0: 58:[55, 40] Operation: 69-29=40 Exploring Operation: 69-55=14, Resulting Numbers: [29, 14] Generated Node #0,1,1: 58:[29, 14] Operation: 69-55=14 Exploring Operation: 29+69=98, Resulting Numbers: [55, 98] Generated Node #0,1,2: 58:[55, 98] Operation: 29+69=98 Exploring Operation: 29+55=84, Resulting Numbers: [69, 84] Generated Node #0,1,3: 58:[69, 84] Operation: 29+55=84 Exploring Operation: 55-29=26, Resulting Numbers: [69, 26] Generated Node #0,1,4: 58:[69, 26] Operation: 55-29=26 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 58:[29, 14], Operations: ['81-26=55', '69-55=14'] Exploring Operation: 29*14=406, Resulting Numbers: [406] 406,58 unequal: No Solution Exploring Operation: 29-14=15, Resulting Numbers: [15] 15,58 unequal: No Solution Exploring Operation: 29+14=43, Resulting Numbers: [43] 43,58 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:[55, 40], Operations: ['81-26=55', '69-29=40'] Exploring Operation: 55+40=95, Resulting Numbers: [95] 95,58 unequal: No Solution Exploring Operation: 55*40=2200, Resulting Numbers: [2200] 2200,58 unequal: No Solution Exploring Operation: 55-40=15, Resulting Numbers: [15] 15,58 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 #0,1,4 Current State: 58:[69, 26], Operations: ['81-26=55', '55-29=26'] Exploring Operation: 69+26=95, Resulting Numbers: [95] 95,58 unequal: No Solution Exploring Operation: 69*26=1794, Resulting Numbers: [1794] 1794,58 unequal: No Solution Exploring Operation: 69-26=43, Resulting Numbers: [43] 43,58 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 #0,1,3 Current State: 58:[69, 84], Operations: ['81-26=55', '29+55=84'] Exploring Operation: 84-69=15, Resulting Numbers: [15] 15,58 unequal: No Solution Exploring Operation: 69+84=153, Resulting Numbers: [153] 153,58 unequal: No Solution Exploring Operation: 69*84=5796, Resulting Numbers: [5796] 5796,58 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:[55, 98], Operations: ['81-26=55', '29+69=98'] Exploring Operation: 98-55=43, Resulting Numbers: [43] 43,58 unequal: No Solution Exploring Operation: 55*98=5390, Resulting Numbers: [5390] 5390,58 unequal: No Solution Exploring Operation: 55+98=153, Resulting Numbers: [153] 153,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 58:[69, 26, 52], Operations: ['81-29=52'] Exploring Operation: 69-26=43, Resulting Numbers: [52, 43] Generated Node #0,3,0: 58:[52, 43] Operation: 69-26=43 Exploring Operation: 52-26=26, Resulting Numbers: [69, 26] Generated Node #0,3,1: 58:[69, 26] Operation: 52-26=26 Exploring Operation: 52/26=2, Resulting Numbers: [69, 2] Generated Node #0,3,2: 58:[69, 2] Operation: 52/26=2 Exploring Operation: 69-52=17, Resulting Numbers: [26, 17] Generated Node #0,3,3: 58:[26, 17] Operation: 69-52=17 Exploring Operation: 26+52=78, Resulting Numbers: [69, 78] Generated Node #0,3,4: 58:[69, 78] Operation: 26+52=78 Moving to Node #0,3,2 Current State: 58:[69, 2], Operations: ['81-29=52', '52/26=2'] Exploring Operation: 69-2=67, Resulting Numbers: [67] 67,58 unequal: No Solution Exploring Operation: 69*2=138, Resulting Numbers: [138] 138,58 unequal: No Solution Exploring Operation: 69+2=71, Resulting Numbers: [71] 71,58 unequal: No Solution Moving to Node #0,3,1 Current State: 58:[69, 26], Operations: ['81-29=52', '52-26=26'] Exploring Operation: 69+26=95, Resulting Numbers: [95] 95,58 unequal: No Solution Exploring Operation: 69-26=43, Resulting Numbers: [43] 43,58 unequal: No Solution Exploring Operation: 69*26=1794, Resulting Numbers: [1794] 1794,58 unequal: No Solution Moving to Node #0,3,3 Current State: 58:[26, 17], Operations: ['81-29=52', '69-52=17'] Exploring Operation: 26+17=43, Resulting Numbers: [43] 43,58 unequal: No Solution Exploring Operation: 26-17=9, Resulting Numbers: [9] 9,58 unequal: No Solution Exploring Operation: 26*17=442, Resulting Numbers: [442] 442,58 unequal: No Solution Moving to Node #0,3,0 Current State: 58:[52, 43], Operations: ['81-29=52', '69-26=43'] Exploring Operation: 52-43=9, Resulting Numbers: [9] 9,58 unequal: No Solution Exploring Operation: 52*43=2236, Resulting Numbers: [2236] 2236,58 unequal: No Solution Exploring Operation: 52+43=95, Resulting Numbers: [95] 95,58 unequal: No Solution Moving to Node #0,3,4 Current State: 58:[69, 78], Operations: ['81-29=52', '26+52=78'] Exploring Operation: 78-69=9, Resulting Numbers: [9] 9,58 unequal: No Solution Exploring Operation: 69+78=147, Resulting Numbers: [147] 147,58 unequal: No Solution Exploring Operation: 69*78=5382, Resulting Numbers: [5382] 5382,58 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 #0,0 Current State: 58:[81, 69, 3], Operations: ['29-26=3'] Exploring Operation: 69-3=66, Resulting Numbers: [81, 66] Generated Node #0,0,0: 58:[81, 66] Operation: 69-3=66 Exploring Operation: 81/3=27, Resulting Numbers: [69, 27] Generated Node #0,0,1: 58:[69, 27] Operation: 81/3=27 Exploring Operation: 81-3=78, Resulting Numbers: [69, 78] Generated Node #0,0,2: 58:[69, 78] Operation: 81-3=78 Exploring Operation: 81-69=12, Resulting Numbers: [3, 12] Generated Node #0,0,3: 58:[3, 12] Operation: 81-69=12 Exploring Operation: 69/3=23, Resulting Numbers: [81, 23] Generated Node #0,0,4: 58:[81, 23] Operation: 69/3=23 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 58:[3, 12], Operations: ['29-26=3', '81-69=12'] Exploring Operation: 3+12=15, Resulting Numbers: [15] 15,58 unequal: No Solution Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,58 unequal: No Solution Exploring Operation: 3*12=36, Resulting Numbers: [36] 36,58 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 58:[69, 27], Operations: ['29-26=3', '81/3=27'] Exploring Operation: 69+27=96, Resulting Numbers: [96] 96,58 unequal: No Solution Exploring Operation: 69*27=1863, Resulting Numbers: [1863] 1863,58 unequal: No Solution Exploring Operation: 69-27=42, Resulting Numbers: [42] 42,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 58:[81, 23], Operations: ['29-26=3', '69/3=23'] Exploring Operation: 81*23=1863, Resulting Numbers: [1863] 1863,58 unequal: No Solution Exploring Operation: 81-23=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[81, 29, 69, 26], Operations: [] Exploring Operation: 29-26=3, Resulting Numbers: [81, 69, 3] Generated Node #0,0: 58:[81, 69, 3] Operation: 29-26=3 Moving to Node #0,0 Current State: 58:[81, 69, 3], Operations: ['29-26=3'] Exploring Operation: 69/3=23, Resulting Numbers: [81, 23] Generated Node #0,0,4: 58:[81, 23] Operation: 69/3=23 Moving to Node #0,0,4 Current State: 58:[81, 23], Operations: ['29-26=3', '69/3=23'] Exploring Operation: 81-23=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.927083
hs_5
sum_heuristic
[ 14, 83, 7, 86 ]
35
[ "86-83=3", "14*3=42", "42-7=35" ]
Current State: 35:[14, 83, 7, 86], Operations: [] Exploring Operation: 86-83=3, Resulting Numbers: [14, 7, 3] Generated Node #2: [14, 7, 3] from Operation: 86-83=3 Current State: 35:[14, 7, 3], Operations: ['86-83=3'] Exploring Operation: 14*3=42, Resulting Numbers: [7, 42] Generated Node #3: [7, 42] from Operation: 14*3=42 Current State: 35:[7, 42], Operations: ['86-83=3', '14*3=42'] Exploring Operation: 42-7=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[14, 83, 7, 86], Operations: [] Exploring Operation: 86-83=3, Resulting Numbers: [14, 7, 3] Generated Node #0,0: 35:[14, 7, 3] Operation: 86-83=3 Moving to Node #0,0 Current State: 35:[14, 7, 3], Operations: ['86-83=3'] Exploring Operation: 14-7=7, Resulting Numbers: [3, 7] Generated Node #0,0,0: 35:[3, 7] Operation: 14-7=7 Moving to Node #0,0,0 Current State: 35:[3, 7], Operations: ['86-83=3', '14-7=7'] Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,35 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 51, 2, 93, 68 ]
89
[ "93-51=42", "42/2=21", "68+21=89" ]
Current State: 89:[51, 2, 93, 68], Operations: [] Exploring Operation: 93-51=42, Resulting Numbers: [2, 68, 42] Generated Node #2: [2, 68, 42] from Operation: 93-51=42 Current State: 89:[2, 68, 42], Operations: ['93-51=42'] Exploring Operation: 42/2=21, Resulting Numbers: [68, 21] Generated Node #3: [68, 21] from Operation: 42/2=21 Current State: 89:[68, 21], Operations: ['93-51=42', '42/2=21'] Exploring Operation: 68+21=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[51, 2, 93, 68], Operations: [] Exploring Operation: 51*2=102, Resulting Numbers: [93, 68, 102] Generated Node #0,0: 89:[93, 68, 102] Operation: 51*2=102 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[93, 68, 102], Operations: ['51*2=102'] Exploring Operation: 102-68=34, Resulting Numbers: [93, 34] Generated Node #0,0,0: 89:[93, 34] Operation: 102-68=34 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 89:[93, 34], Operations: ['51*2=102', '102-68=34'] Exploring Operation: 93-34=59, Resulting Numbers: [59] 59,89 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
[ 91, 48, 61, 45 ]
88
[ "61-45=16", "48/16=3", "91-3=88" ]
Current State: 88:[91, 48, 61, 45], Operations: [] Exploring Operation: 61-45=16, Resulting Numbers: [91, 48, 16] Generated Node #2: [91, 48, 16] from Operation: 61-45=16 Current State: 88:[91, 48, 16], Operations: ['61-45=16'] Exploring Operation: 48/16=3, Resulting Numbers: [91, 3] Generated Node #3: [91, 3] from Operation: 48/16=3 Current State: 88:[91, 3], Operations: ['61-45=16', '48/16=3'] Exploring Operation: 91-3=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[91, 48, 61, 45], Operations: [] Exploring Operation: 61-48=13, Resulting Numbers: [91, 45, 13] Generated Node #0,0: 88:[91, 45, 13] Operation: 61-48=13 Exploring Operation: 91-48=43, Resulting Numbers: [61, 45, 43] Generated Node #0,1: 88:[61, 45, 43] Operation: 91-48=43 Exploring Operation: 61-45=16, Resulting Numbers: [91, 48, 16] Generated Node #0,2: 88:[91, 48, 16] Operation: 61-45=16 Exploring Operation: 91-61=30, Resulting Numbers: [48, 45, 30] Generated Node #0,3: 88:[48, 45, 30] Operation: 91-61=30 Moving to Node #0,0 Current State: 88:[91, 45, 13], Operations: ['61-48=13'] Exploring Operation: 91-13=78, Resulting Numbers: [45, 78] Generated Node #0,0,0: 88:[45, 78] Operation: 91-13=78 Exploring Operation: 91-45=46, Resulting Numbers: [13, 46] Generated Node #0,0,1: 88:[13, 46] Operation: 91-45=46 Exploring Operation: 45-13=32, Resulting Numbers: [91, 32] Generated Node #0,0,2: 88:[91, 32] Operation: 45-13=32 Exploring Operation: 91/13=7, Resulting Numbers: [45, 7] Generated Node #0,0,3: 88:[45, 7] Operation: 91/13=7 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 88:[45, 7], Operations: ['61-48=13', '91/13=7'] Exploring Operation: 45-7=38, Resulting Numbers: [38] 38,88 unequal: No Solution Exploring Operation: 45+7=52, Resulting Numbers: [52] 52,88 unequal: No Solution Exploring Operation: 45*7=315, Resulting Numbers: [315] 315,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 88:[13, 46], Operations: ['61-48=13', '91-45=46'] Exploring Operation: 46-13=33, Resulting Numbers: [33] 33,88 unequal: No Solution Exploring Operation: 13*46=598, Resulting Numbers: [598] 598,88 unequal: No Solution Exploring Operation: 13+46=59, Resulting Numbers: [59] 59,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 88:[45, 78], Operations: ['61-48=13', '91-13=78'] Exploring Operation: 45+78=123, Resulting Numbers: [123] 123,88 unequal: No Solution Exploring Operation: 78-45=33, Resulting Numbers: [33] 33,88 unequal: No Solution Exploring Operation: 45*78=3510, Resulting Numbers: [3510] 3510,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 88:[91, 32], Operations: ['61-48=13', '45-13=32'] Exploring Operation: 91+32=123, Resulting Numbers: [123] 123,88 unequal: No Solution Exploring Operation: 91-32=59, Resulting Numbers: [59] 59,88 unequal: No Solution Exploring Operation: 91*32=2912, Resulting Numbers: [2912] 2912,88 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: 88:[91, 48, 16], Operations: ['61-45=16'] Exploring Operation: 48/16=3, Resulting Numbers: [91, 3] Generated Node #0,2,0: 88:[91, 3] Operation: 48/16=3 Exploring Operation: 48-16=32, Resulting Numbers: [91, 32] Generated Node #0,2,1: 88:[91, 32] Operation: 48-16=32 Exploring Operation: 91-16=75, Resulting Numbers: [48, 75] Generated Node #0,2,2: 88:[48, 75] Operation: 91-16=75 Exploring Operation: 91-48=43, Resulting Numbers: [16, 43] Generated Node #0,2,3: 88:[16, 43] Operation: 91-48=43 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 88:[91, 3], Operations: ['61-45=16', '48/16=3'] Exploring Operation: 91*3=273, Resulting Numbers: [273] 273,88 unequal: No Solution Exploring Operation: 91-3=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[91, 48, 61, 45], Operations: [] Exploring Operation: 61-45=16, Resulting Numbers: [91, 48, 16] Generated Node #0,2: 88:[91, 48, 16] Operation: 61-45=16 Moving to Node #0,2 Current State: 88:[91, 48, 16], Operations: ['61-45=16'] Exploring Operation: 48/16=3, Resulting Numbers: [91, 3] Generated Node #0,2,0: 88:[91, 3] Operation: 48/16=3 Moving to Node #0,2,0 Current State: 88:[91, 3], Operations: ['61-45=16', '48/16=3'] Exploring Operation: 91-3=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_4
mult_heuristic
[ 11, 33, 70, 51 ]
87
[ "33/11=3", "51/3=17", "70+17=87" ]
Current State: 87:[11, 33, 70, 51], Operations: [] Exploring Operation: 33/11=3, Resulting Numbers: [70, 51, 3] Generated Node #2: [70, 51, 3] from Operation: 33/11=3 Current State: 87:[70, 51, 3], Operations: ['33/11=3'] Exploring Operation: 51/3=17, Resulting Numbers: [70, 17] Generated Node #3: [70, 17] from Operation: 51/3=17 Current State: 87:[70, 17], Operations: ['33/11=3', '51/3=17'] Exploring Operation: 70+17=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[11, 33, 70, 51], Operations: [] Exploring Operation: 51-11=40, Resulting Numbers: [33, 70, 40] Generated Node #0,0: 87:[33, 70, 40] Operation: 51-11=40 Exploring Operation: 33+51=84, Resulting Numbers: [11, 70, 84] Generated Node #0,1: 87:[11, 70, 84] Operation: 33+51=84 Exploring Operation: 11+70=81, Resulting Numbers: [33, 51, 81] Generated Node #0,2: 87:[33, 51, 81] Operation: 11+70=81 Exploring Operation: 70-51=19, Resulting Numbers: [11, 33, 19] Generated Node #0,3: 87:[11, 33, 19] Operation: 70-51=19 Moving to Node #0,3 Current State: 87:[11, 33, 19], Operations: ['70-51=19'] Exploring Operation: 11+19=30, Resulting Numbers: [33, 30] Generated Node #0,3,0: 87:[33, 30] Operation: 11+19=30 Exploring Operation: 33/11=3, Resulting Numbers: [19, 3] Generated Node #0,3,1: 87:[19, 3] Operation: 33/11=3 Exploring Operation: 19-11=8, Resulting Numbers: [33, 8] Generated Node #0,3,2: 87:[33, 8] Operation: 19-11=8 Exploring Operation: 33-11=22, Resulting Numbers: [19, 22] Generated Node #0,3,3: 87:[19, 22] Operation: 33-11=22 Moving to Node #0,1 Current State: 87:[11, 70, 84], Operations: ['33+51=84'] Exploring Operation: 11+84=95, Resulting Numbers: [70, 95] Generated Node #0,1,0: 87:[70, 95] Operation: 11+84=95 Exploring Operation: 70-11=59, Resulting Numbers: [84, 59] Generated Node #0,1,1: 87:[84, 59] Operation: 70-11=59 Exploring Operation: 11+70=81, Resulting Numbers: [84, 81] Generated Node #0,1,2: 87:[84, 81] Operation: 11+70=81 Exploring Operation: 84-70=14, Resulting Numbers: [11, 14] Generated Node #0,1,3: 87:[11, 14] Operation: 84-70=14 Moving to Node #0,2 Current State: 87:[33, 51, 81], Operations: ['11+70=81'] Exploring Operation: 81-33=48, Resulting Numbers: [51, 48] Generated Node #0,2,0: 87:[51, 48] Operation: 81-33=48 Exploring Operation: 81-51=30, Resulting Numbers: [33, 30] Generated Node #0,2,1: 87:[33, 30] Operation: 81-51=30 Exploring Operation: 33+51=84, Resulting Numbers: [81, 84] Generated Node #0,2,2: 87:[81, 84] Operation: 33+51=84 Exploring Operation: 51-33=18, Resulting Numbers: [81, 18] Generated Node #0,2,3: 87:[81, 18] Operation: 51-33=18 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 87:[33, 30], Operations: ['11+70=81', '81-51=30'] Exploring Operation: 33*30=990, Resulting Numbers: [990] 990,87 unequal: No Solution Exploring Operation: 33+30=63, Resulting Numbers: [63] 63,87 unequal: No Solution Exploring Operation: 33-30=3, Resulting Numbers: [3] 3,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 87:[81, 84], Operations: ['11+70=81', '33+51=84'] Exploring Operation: 81+84=165, Resulting Numbers: [165] 165,87 unequal: No Solution Exploring Operation: 81*84=6804, Resulting Numbers: [6804] 6804,87 unequal: No Solution Exploring Operation: 84-81=3, Resulting Numbers: [3] 3,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 87:[81, 18], Operations: ['11+70=81', '51-33=18'] Exploring Operation: 81-18=63, Resulting Numbers: [63] 63,87 unequal: No Solution Exploring Operation: 81*18=1458, Resulting Numbers: [1458] 1458,87 unequal: No Solution Exploring Operation: 81+18=99, Resulting Numbers: [99] 99,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 87:[51, 48], Operations: ['11+70=81', '81-33=48'] Exploring Operation: 51*48=2448, Resulting Numbers: [2448] 2448,87 unequal: No Solution Exploring Operation: 51-48=3, Resulting Numbers: [3] 3,87 unequal: No Solution Exploring Operation: 51+48=99, Resulting Numbers: [99] 99,87 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: 87:[33, 70, 40], Operations: ['51-11=40'] Exploring Operation: 70-33=37, Resulting Numbers: [40, 37] Generated Node #0,0,0: 87:[40, 37] Operation: 70-33=37 Exploring Operation: 70-40=30, Resulting Numbers: [33, 30] Generated Node #0,0,1: 87:[33, 30] Operation: 70-40=30 Exploring Operation: 40-33=7, Resulting Numbers: [70, 7] Generated Node #0,0,2: 87:[70, 7] Operation: 40-33=7 Exploring Operation: 33+70=103, Resulting Numbers: [40, 103] Generated Node #0,0,3: 87:[40, 103] Operation: 33+70=103 Moving to Node #0,3,0 Current State: 87:[33, 30], Operations: ['70-51=19', '11+19=30'] Exploring Operation: 33-30=3, Resulting Numbers: [3] 3,87 unequal: No Solution Exploring Operation: 33+30=63, Resulting Numbers: [63] 63,87 unequal: No Solution Exploring Operation: 33*30=990, Resulting Numbers: [990] 990,87 unequal: No Solution Moving to Node #0,0,1 Current State: 87:[33, 30], Operations: ['51-11=40', '70-40=30'] Exploring Operation: 33*30=990, Resulting Numbers: [990] 990,87 unequal: No Solution Exploring Operation: 33+30=63, Resulting Numbers: [63] 63,87 unequal: No Solution Exploring Operation: 33-30=3, Resulting Numbers: [3] 3,87 unequal: No Solution Moving to Node #0,1,2 Current State: 87:[84, 81], Operations: ['33+51=84', '11+70=81'] Exploring Operation: 84*81=6804, Resulting Numbers: [6804] 6804,87 unequal: No Solution Exploring Operation: 84-81=3, Resulting Numbers: [3] 3,87 unequal: No Solution Exploring Operation: 84+81=165, Resulting Numbers: [165] 165,87 unequal: No Solution Moving to Node #0,3,2 Current State: 87:[33, 8], Operations: ['70-51=19', '19-11=8'] Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,87 unequal: No Solution Exploring Operation: 33*8=264, Resulting Numbers: [264] 264,87 unequal: No Solution Exploring Operation: 33+8=41, Resulting Numbers: [41] 41,87 unequal: No Solution Moving to Node #0,3,1 Current State: 87:[19, 3], Operations: ['70-51=19', '33/11=3'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,87 unequal: No Solution Exploring Operation: 19+3=22, Resulting Numbers: [22] 22,87 unequal: No Solution Exploring Operation: 19*3=57, Resulting Numbers: [57] 57,87 unequal: No Solution Moving to Node #0,3,3 Current State: 87:[19, 22], Operations: ['70-51=19', '33-11=22'] Exploring Operation: 19*22=418, Resulting Numbers: [418] 418,87 unequal: No Solution Exploring Operation: 19+22=41, Resulting Numbers: [41] 41,87 unequal: No Solution Exploring Operation: 22-19=3, Resulting Numbers: [3] 3,87 unequal: No Solution Moving to Node #0,1,3 Current State: 87:[11, 14], Operations: ['33+51=84', '84-70=14'] Exploring Operation: 14-11=3, Resulting Numbers: [3] 3,87 unequal: No Solution Exploring Operation: 11+14=25, Resulting Numbers: [25] 25,87 unequal: No Solution Exploring Operation: 11*14=154, Resulting Numbers: [154] 154,87 unequal: No Solution Moving to Node #0,0,0 Current State: 87:[40, 37], Operations: ['51-11=40', '70-33=37'] Exploring Operation: 40+37=77, Resulting Numbers: [77] 77,87 unequal: No Solution Exploring Operation: 40-37=3, Resulting Numbers: [3] 3,87 unequal: No Solution Exploring Operation: 40*37=1480, Resulting Numbers: [1480] 1480,87 unequal: No Solution Moving to Node #0,0,2 Current State: 87:[70, 7], Operations: ['51-11=40', '40-33=7'] Exploring Operation: 70-7=63, Resulting Numbers: [63] 63,87 unequal: No Solution Exploring Operation: 70/7=10, Resulting Numbers: [10] 10,87 unequal: No Solution Exploring Operation: 70*7=490, Resulting Numbers: [490] 490,87 unequal: No Solution Exploring Operation: 70+7=77, Resulting Numbers: [77] 77,87 unequal: No Solution Moving to Node #0,1,0 Current State: 87:[70, 95], Operations: ['33+51=84', '11+84=95'] Exploring Operation: 95-70=25, Resulting Numbers: [25] 25,87 unequal: No Solution Exploring Operation: 70*95=6650, Resulting Numbers: [6650] 6650,87 unequal: No Solution Exploring Operation: 70+95=165, Resulting Numbers: [165] 165,87 unequal: No Solution Moving to Node #0,0,3 Current State: 87:[40, 103], Operations: ['51-11=40', '33+70=103'] Exploring Operation: 40+103=143, Resulting Numbers: [143] 143,87 unequal: No Solution Exploring Operation: 40*103=4120, Resulting Numbers: [4120] 4120,87 unequal: No Solution Exploring Operation: 103-40=63, Resulting Numbers: [63] 63,87 unequal: No Solution Moving to Node #0,1,1 Current State: 87:[84, 59], Operations: ['33+51=84', '70-11=59'] Exploring Operation: 84*59=4956, Resulting Numbers: [4956] 4956,87 unequal: No Solution Exploring Operation: 84-59=25, Resulting Numbers: [25] 25,87 unequal: No Solution Exploring Operation: 84+59=143, Resulting Numbers: [143] 143,87 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 14, 5, 16, 46 ]
49
[ "14+5=19", "46-16=30", "19+30=49" ]
Current State: 49:[14, 5, 16, 46], Operations: [] Exploring Operation: 14+5=19, Resulting Numbers: [16, 46, 19] Generated Node #2: [16, 46, 19] from Operation: 14+5=19 Current State: 49:[16, 46, 19], Operations: ['14+5=19'] Exploring Operation: 46-16=30, Resulting Numbers: [19, 30] Generated Node #3: [19, 30] from Operation: 46-16=30 Current State: 49:[19, 30], Operations: ['14+5=19', '46-16=30'] Exploring Operation: 19+30=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[14, 5, 16, 46], Operations: [] Exploring Operation: 16-5=11, Resulting Numbers: [14, 46, 11] Generated Node #0,0: 49:[14, 46, 11] Operation: 16-5=11 Exploring Operation: 5+46=51, Resulting Numbers: [14, 16, 51] Generated Node #0,1: 49:[14, 16, 51] Operation: 5+46=51 Exploring Operation: 16-14=2, Resulting Numbers: [5, 46, 2] Generated Node #0,2: 49:[5, 46, 2] Operation: 16-14=2 Exploring Operation: 14+46=60, Resulting Numbers: [5, 16, 60] Generated Node #0,3: 49:[5, 16, 60] Operation: 14+46=60 Exploring Operation: 14-5=9, Resulting Numbers: [16, 46, 9] Generated Node #0,4: 49:[16, 46, 9] Operation: 14-5=9 Moving to Node #0,2 Current State: 49:[5, 46, 2], Operations: ['16-14=2'] Exploring Operation: 5-2=3, Resulting Numbers: [46, 3] Generated Node #0,2,0: 49:[46, 3] Operation: 5-2=3 Exploring Operation: 5+46=51, Resulting Numbers: [2, 51] Generated Node #0,2,1: 49:[2, 51] Operation: 5+46=51 Exploring Operation: 5+2=7, Resulting Numbers: [46, 7] Generated Node #0,2,2: 49:[46, 7] Operation: 5+2=7 Exploring Operation: 46+2=48, Resulting Numbers: [5, 48] Generated Node #0,2,3: 49:[5, 48] Operation: 46+2=48 Exploring Operation: 5*2=10, Resulting Numbers: [46, 10] Generated Node #0,2,4: 49:[46, 10] Operation: 5*2=10 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 49:[46, 7], Operations: ['16-14=2', '5+2=7'] Exploring Operation: 46+7=53, Resulting Numbers: [53] 53,49 unequal: No Solution Exploring Operation: 46-7=39, Resulting Numbers: [39] 39,49 unequal: No Solution Exploring Operation: 46*7=322, Resulting Numbers: [322] 322,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 49:[5, 48], Operations: ['16-14=2', '46+2=48'] Exploring Operation: 5*48=240, Resulting Numbers: [240] 240,49 unequal: No Solution Exploring Operation: 48-5=43, Resulting Numbers: [43] 43,49 unequal: No Solution Exploring Operation: 5+48=53, Resulting Numbers: [53] 53,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 49:[46, 10], Operations: ['16-14=2', '5*2=10'] Exploring Operation: 46*10=460, Resulting Numbers: [460] 460,49 unequal: No Solution Exploring Operation: 46+10=56, Resulting Numbers: [56] 56,49 unequal: No Solution Exploring Operation: 46-10=36, Resulting Numbers: [36] 36,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 49:[46, 3], Operations: ['16-14=2', '5-2=3'] Exploring Operation: 46*3=138, Resulting Numbers: [138] 138,49 unequal: No Solution Exploring Operation: 46+3=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[14, 5, 16, 46], Operations: [] Exploring Operation: 16-14=2, Resulting Numbers: [5, 46, 2] Generated Node #0,2: 49:[5, 46, 2] Operation: 16-14=2 Moving to Node #0,2 Current State: 49:[5, 46, 2], Operations: ['16-14=2'] Exploring Operation: 5-2=3, Resulting Numbers: [46, 3] Generated Node #0,2,0: 49:[46, 3] Operation: 5-2=3 Moving to Node #0,2,0 Current State: 49:[46, 3], Operations: ['16-14=2', '5-2=3'] Exploring Operation: 46+3=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_5
sum_heuristic
[ 9, 22, 26, 35 ]
91
[ "35-22=13", "9*13=117", "117-26=91" ]
Current State: 91:[9, 22, 26, 35], Operations: [] Exploring Operation: 35-22=13, Resulting Numbers: [9, 26, 13] Generated Node #2: [9, 26, 13] from Operation: 35-22=13 Current State: 91:[9, 26, 13], Operations: ['35-22=13'] Exploring Operation: 9*13=117, Resulting Numbers: [26, 117] Generated Node #3: [26, 117] from Operation: 9*13=117 Current State: 91:[26, 117], Operations: ['35-22=13', '9*13=117'] Exploring Operation: 117-26=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[9, 22, 26, 35], Operations: [] Exploring Operation: 35-22=13, Resulting Numbers: [9, 26, 13] Generated Node #0,0: 91:[9, 26, 13] Operation: 35-22=13 Exploring Operation: 26-22=4, Resulting Numbers: [9, 35, 4] Generated Node #0,1: 91:[9, 35, 4] Operation: 26-22=4 Exploring Operation: 35-26=9, Resulting Numbers: [9, 22, 9] Generated Node #0,2: 91:[9, 22, 9] Operation: 35-26=9 Moving to Node #0,2 Current State: 91:[9, 22, 9], Operations: ['35-26=9'] Exploring Operation: 9+9=18, Resulting Numbers: [22, 18] Generated Node #0,2,0: 91:[22, 18] Operation: 9+9=18 Exploring Operation: 22-9=13, Resulting Numbers: [9, 13] Generated Node #0,2,1: 91:[9, 13] Operation: 22-9=13 Exploring Operation: 22-9=13, Resulting Numbers: [9, 13] Generated Node #0,2,2: 91:[9, 13] Operation: 22-9=13 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 91:[9, 13], Operations: ['35-26=9', '22-9=13'] Exploring Operation: 9*13=117, Resulting Numbers: [117] 117,91 unequal: No Solution Exploring Operation: 13-9=4, Resulting Numbers: [4] 4,91 unequal: No Solution Exploring Operation: 9+13=22, Resulting Numbers: [22] 22,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 91:[9, 13], Operations: ['35-26=9', '22-9=13'] Exploring Operation: 9+13=22, Resulting Numbers: [22] 22,91 unequal: No Solution Exploring Operation: 13-9=4, Resulting Numbers: [4] 4,91 unequal: No Solution Exploring Operation: 9*13=117, Resulting Numbers: [117] 117,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 91:[22, 18], Operations: ['35-26=9', '9+9=18'] Exploring Operation: 22*18=396, Resulting Numbers: [396] 396,91 unequal: No Solution Exploring Operation: 22-18=4, Resulting Numbers: [4] 4,91 unequal: No Solution Exploring Operation: 22+18=40, Resulting Numbers: [40] 40,91 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: 91:[9, 26, 13], Operations: ['35-22=13'] Exploring Operation: 26/13=2, Resulting Numbers: [9, 2] Generated Node #0,0,0: 91:[9, 2] Operation: 26/13=2 Exploring Operation: 26-13=13, Resulting Numbers: [9, 13] Generated Node #0,0,1: 91:[9, 13] Operation: 26-13=13 Exploring Operation: 26-9=17, Resulting Numbers: [13, 17] Generated Node #0,0,2: 91:[13, 17] Operation: 26-9=17 Moving to Node #0,1 Current State: 91:[9, 35, 4], Operations: ['26-22=4'] Exploring Operation: 35-9=26, Resulting Numbers: [4, 26] Generated Node #0,1,0: 91:[4, 26] Operation: 35-9=26 Exploring Operation: 35-4=31, Resulting Numbers: [9, 31] Generated Node #0,1,1: 91:[9, 31] Operation: 35-4=31 Exploring Operation: 9+4=13, Resulting Numbers: [35, 13] Generated Node #0,1,2: 91:[35, 13] Operation: 9+4=13 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 91:[4, 26], Operations: ['26-22=4', '35-9=26'] Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,91 unequal: No Solution Exploring Operation: 4*26=104, Resulting Numbers: [104] 104,91 unequal: No Solution Exploring Operation: 4+26=30, Resulting Numbers: [30] 30,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 91:[9, 31], Operations: ['26-22=4', '35-4=31'] Exploring Operation: 9*31=279, Resulting Numbers: [279] 279,91 unequal: No Solution Exploring Operation: 31-9=22, Resulting Numbers: [22] 22,91 unequal: No Solution Exploring Operation: 9+31=40, Resulting Numbers: [40] 40,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 91:[35, 13], Operations: ['26-22=4', '9+4=13'] Exploring Operation: 35-13=22, Resulting Numbers: [22] 22,91 unequal: No Solution Exploring Operation: 35+13=48, Resulting Numbers: [48] 48,91 unequal: No Solution Exploring Operation: 35*13=455, Resulting Numbers: [455] 455,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 91:[9, 13], Operations: ['35-22=13', '26-13=13'] Exploring Operation: 13-9=4, Resulting Numbers: [4] 4,91 unequal: No Solution Exploring Operation: 9+13=22, Resulting Numbers: [22] 22,91 unequal: No Solution Exploring Operation: 9*13=117, Resulting Numbers: [117] 117,91 unequal: No Solution Moving to Node #0,0,2 Current State: 91:[13, 17], Operations: ['35-22=13', '26-9=17'] Exploring Operation: 17-13=4, Resulting Numbers: [4] 4,91 unequal: No Solution Exploring Operation: 13+17=30, Resulting Numbers: [30] 30,91 unequal: No Solution Exploring Operation: 13*17=221, Resulting Numbers: [221] 221,91 unequal: No Solution Moving to Node #0,0,0 Current State: 91:[9, 2], Operations: ['35-22=13', '26/13=2'] Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,91 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,91 unequal: No Solution Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,91 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 78, 37, 72, 15 ]
53
[ "78-72=6", "15*6=90", "90-37=53" ]
Current State: 53:[78, 37, 72, 15], Operations: [] Exploring Operation: 78-72=6, Resulting Numbers: [37, 15, 6] Generated Node #2: [37, 15, 6] from Operation: 78-72=6 Current State: 53:[37, 15, 6], Operations: ['78-72=6'] Exploring Operation: 15*6=90, Resulting Numbers: [37, 90] Generated Node #3: [37, 90] from Operation: 15*6=90 Current State: 53:[37, 90], Operations: ['78-72=6', '15*6=90'] Exploring Operation: 90-37=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[78, 37, 72, 15], Operations: [] Exploring Operation: 78-15=63, Resulting Numbers: [37, 72, 63] Generated Node #0,0: 53:[37, 72, 63] Operation: 78-15=63 Exploring Operation: 37+15=52, Resulting Numbers: [78, 72, 52] Generated Node #0,1: 53:[78, 72, 52] Operation: 37+15=52 Moving to Node #0,0 Current State: 53:[37, 72, 63], Operations: ['78-15=63'] Exploring Operation: 63-37=26, Resulting Numbers: [72, 26] Generated Node #0,0,0: 53:[72, 26] Operation: 63-37=26 Exploring Operation: 72-37=35, Resulting Numbers: [63, 35] Generated Node #0,0,1: 53:[63, 35] Operation: 72-37=35 Moving to Node #0,1 Current State: 53:[78, 72, 52], Operations: ['37+15=52'] Exploring Operation: 78-52=26, Resulting Numbers: [72, 26] Generated Node #0,1,0: 53:[72, 26] Operation: 78-52=26 Exploring Operation: 78-72=6, Resulting Numbers: [52, 6] Generated Node #0,1,1: 53:[52, 6] Operation: 78-72=6 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 53:[72, 26], Operations: ['37+15=52', '78-52=26'] Exploring Operation: 72+26=98, Resulting Numbers: [98] 98,53 unequal: No Solution Exploring Operation: 72-26=46, Resulting Numbers: [46] 46,53 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 #0,1,1 Current State: 53:[52, 6], Operations: ['37+15=52', '78-72=6'] Exploring Operation: 52+6=58, Resulting Numbers: [58] 58,53 unequal: No Solution Exploring Operation: 52-6=46, Resulting Numbers: [46] 46,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 53:[63, 35], Operations: ['78-15=63', '72-37=35'] Exploring Operation: 63+35=98, Resulting Numbers: [98] 98,53 unequal: No Solution Exploring Operation: 63-35=28, Resulting Numbers: [28] 28,53 unequal: No Solution Moving to Node #0,0,0 Current State: 53:[72, 26], Operations: ['78-15=63', '63-37=26'] Exploring Operation: 72+26=98, Resulting Numbers: [98] 98,53 unequal: No Solution Exploring Operation: 72-26=46, Resulting Numbers: [46] 46,53 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 49, 72, 37, 62 ]
76
[ "72-49=23", "37+62=99", "99-23=76" ]
Current State: 76:[49, 72, 37, 62], Operations: [] Exploring Operation: 72-49=23, Resulting Numbers: [37, 62, 23] Generated Node #2: [37, 62, 23] from Operation: 72-49=23 Current State: 76:[37, 62, 23], Operations: ['72-49=23'] Exploring Operation: 37+62=99, Resulting Numbers: [23, 99] Generated Node #3: [23, 99] from Operation: 37+62=99 Current State: 76:[23, 99], Operations: ['72-49=23', '37+62=99'] Exploring Operation: 99-23=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[49, 72, 37, 62], Operations: [] Exploring Operation: 72-62=10, Resulting Numbers: [49, 37, 10] Generated Node #0,0: 76:[49, 37, 10] Operation: 72-62=10 Exploring Operation: 62-49=13, Resulting Numbers: [72, 37, 13] Generated Node #0,1: 76:[72, 37, 13] Operation: 62-49=13 Moving to Node #0,1 Current State: 76:[72, 37, 13], Operations: ['62-49=13'] Exploring Operation: 37-13=24, Resulting Numbers: [72, 24] Generated Node #0,1,0: 76:[72, 24] Operation: 37-13=24 Exploring Operation: 72-37=35, Resulting Numbers: [13, 35] Generated Node #0,1,1: 76:[13, 35] Operation: 72-37=35 Moving to Node #0,0 Current State: 76:[49, 37, 10], Operations: ['72-62=10'] Exploring Operation: 49-10=39, Resulting Numbers: [37, 39] Generated Node #0,0,0: 76:[37, 39] Operation: 49-10=39 Exploring Operation: 49-37=12, Resulting Numbers: [10, 12] Generated Node #0,0,1: 76:[10, 12] Operation: 49-37=12 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 76:[37, 39], Operations: ['72-62=10', '49-10=39'] Exploring Operation: 39-37=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 37+39=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[49, 72, 37, 62], Operations: [] Exploring Operation: 72-62=10, Resulting Numbers: [49, 37, 10] Generated Node #0,0: 76:[49, 37, 10] Operation: 72-62=10 Moving to Node #0,0 Current State: 76:[49, 37, 10], Operations: ['72-62=10'] Exploring Operation: 49-10=39, Resulting Numbers: [37, 39] Generated Node #0,0,0: 76:[37, 39] Operation: 49-10=39 Moving to Node #0,0,0 Current State: 76:[37, 39], Operations: ['72-62=10', '49-10=39'] Exploring Operation: 37+39=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 3, 89, 13, 62 ]
22
[ "89-62=27", "27/3=9", "13+9=22" ]
Current State: 22:[3, 89, 13, 62], Operations: [] Exploring Operation: 89-62=27, Resulting Numbers: [3, 13, 27] Generated Node #2: [3, 13, 27] from Operation: 89-62=27 Current State: 22:[3, 13, 27], Operations: ['89-62=27'] Exploring Operation: 27/3=9, Resulting Numbers: [13, 9] Generated Node #3: [13, 9] from Operation: 27/3=9 Current State: 22:[13, 9], Operations: ['89-62=27', '27/3=9'] Exploring Operation: 13+9=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[3, 89, 13, 62], Operations: [] Exploring Operation: 89-13=76, Resulting Numbers: [3, 62, 76] Generated Node #0,0: 22:[3, 62, 76] Operation: 89-13=76 Exploring Operation: 89-62=27, Resulting Numbers: [3, 13, 27] Generated Node #0,1: 22:[3, 13, 27] Operation: 89-62=27 Exploring Operation: 62-13=49, Resulting Numbers: [3, 89, 49] Generated Node #0,2: 22:[3, 89, 49] Operation: 62-13=49 Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[3, 13, 27], Operations: ['89-62=27'] Exploring Operation: 27/3=9, Resulting Numbers: [13, 9] Generated Node #0,1,0: 22:[13, 9] Operation: 27/3=9 Exploring Operation: 27-3=24, Resulting Numbers: [13, 24] Generated Node #0,1,1: 22:[13, 24] Operation: 27-3=24 Exploring Operation: 27-13=14, Resulting Numbers: [3, 14] Generated Node #0,1,2: 22:[3, 14] Operation: 27-13=14 Moving to Node #0,1,0 Current State: 22:[13, 9], Operations: ['89-62=27', '27/3=9'] Exploring Operation: 13*9=117, Resulting Numbers: [117] 117,22 unequal: No Solution Exploring Operation: 13-9=4, Resulting Numbers: [4] 4,22 unequal: No Solution Exploring Operation: 13+9=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[3, 89, 13, 62], Operations: [] Exploring Operation: 89-62=27, Resulting Numbers: [3, 13, 27] Generated Node #0,1: 22:[3, 13, 27] Operation: 89-62=27 Moving to Node #0,1 Current State: 22:[3, 13, 27], Operations: ['89-62=27'] Exploring Operation: 27/3=9, Resulting Numbers: [13, 9] Generated Node #0,1,0: 22:[13, 9] Operation: 27/3=9 Moving to Node #0,1,0 Current State: 22:[13, 9], Operations: ['89-62=27', '27/3=9'] Exploring Operation: 13+9=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 30, 16, 95, 38 ]
87
[ "30+16=46", "95+38=133", "133-46=87" ]
Current State: 87:[30, 16, 95, 38], Operations: [] Exploring Operation: 30+16=46, Resulting Numbers: [95, 38, 46] Generated Node #2: [95, 38, 46] from Operation: 30+16=46 Current State: 87:[95, 38, 46], Operations: ['30+16=46'] Exploring Operation: 95+38=133, Resulting Numbers: [46, 133] Generated Node #3: [46, 133] from Operation: 95+38=133 Current State: 87:[46, 133], Operations: ['30+16=46', '95+38=133'] Exploring Operation: 133-46=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[30, 16, 95, 38], Operations: [] Exploring Operation: 38-30=8, Resulting Numbers: [16, 95, 8] Generated Node #0,0: 87:[16, 95, 8] Operation: 38-30=8 Exploring Operation: 95-16=79, Resulting Numbers: [30, 38, 79] Generated Node #0,1: 87:[30, 38, 79] Operation: 95-16=79 Exploring Operation: 38-16=22, Resulting Numbers: [30, 95, 22] Generated Node #0,2: 87:[30, 95, 22] Operation: 38-16=22 Moving to Node #0,2 Current State: 87:[30, 95, 22], Operations: ['38-16=22'] Exploring Operation: 30-22=8, Resulting Numbers: [95, 8] Generated Node #0,2,0: 87:[95, 8] Operation: 30-22=8 Exploring Operation: 95-30=65, Resulting Numbers: [22, 65] Generated Node #0,2,1: 87:[22, 65] Operation: 95-30=65 Exploring Operation: 95-22=73, Resulting Numbers: [30, 73] Generated Node #0,2,2: 87:[30, 73] Operation: 95-22=73 Moving to Node #0,1 Current State: 87:[30, 38, 79], Operations: ['95-16=79'] Exploring Operation: 79-38=41, Resulting Numbers: [30, 41] Generated Node #0,1,0: 87:[30, 41] Operation: 79-38=41 Exploring Operation: 30+38=68, Resulting Numbers: [79, 68] Generated Node #0,1,1: 87:[79, 68] Operation: 30+38=68 Exploring Operation: 38-30=8, Resulting Numbers: [79, 8] Generated Node #0,1,2: 87:[79, 8] Operation: 38-30=8 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 87:[30, 41], Operations: ['95-16=79', '79-38=41'] Exploring Operation: 30*41=1230, Resulting Numbers: [1230] 1230,87 unequal: No Solution Exploring Operation: 41-30=11, Resulting Numbers: [11] 11,87 unequal: No Solution Exploring Operation: 30+41=71, Resulting Numbers: [71] 71,87 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 #0,1,2 Current State: 87:[79, 8], Operations: ['95-16=79', '38-30=8'] Exploring Operation: 79+8=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[30, 16, 95, 38], Operations: [] Exploring Operation: 95-16=79, Resulting Numbers: [30, 38, 79] Generated Node #0,1: 87:[30, 38, 79] Operation: 95-16=79 Moving to Node #0,1 Current State: 87:[30, 38, 79], Operations: ['95-16=79'] Exploring Operation: 38-30=8, Resulting Numbers: [79, 8] Generated Node #0,1,2: 87:[79, 8] Operation: 38-30=8 Moving to Node #0,1,2 Current State: 87:[79, 8], Operations: ['95-16=79', '38-30=8'] Exploring Operation: 79+8=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_3
mult_heuristic
[ 6, 1, 19, 8 ]
15
[ "1+19=20", "6*20=120", "120/8=15" ]
Current State: 15:[6, 1, 19, 8], Operations: [] Exploring Operation: 1+19=20, Resulting Numbers: [6, 8, 20] Generated Node #2: [6, 8, 20] from Operation: 1+19=20 Current State: 15:[6, 8, 20], Operations: ['1+19=20'] Exploring Operation: 6*20=120, Resulting Numbers: [8, 120] Generated Node #3: [8, 120] from Operation: 6*20=120 Current State: 15:[8, 120], Operations: ['1+19=20', '6*20=120'] Exploring Operation: 120/8=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[6, 1, 19, 8], Operations: [] Exploring Operation: 6-1=5, Resulting Numbers: [19, 8, 5] Generated Node #0,0: 15:[19, 8, 5] Operation: 6-1=5 Exploring Operation: 6+8=14, Resulting Numbers: [1, 19, 14] Generated Node #0,1: 15:[1, 19, 14] Operation: 6+8=14 Exploring Operation: 8-6=2, Resulting Numbers: [1, 19, 2] Generated Node #0,2: 15:[1, 19, 2] Operation: 8-6=2 Exploring Operation: 19-6=13, Resulting Numbers: [1, 8, 13] Generated Node #0,3: 15:[1, 8, 13] Operation: 19-6=13 Moving to Node #0,0 Current State: 15:[19, 8, 5], Operations: ['6-1=5'] Exploring Operation: 8+5=13, Resulting Numbers: [19, 13] Generated Node #0,0,0: 15:[19, 13] Operation: 8+5=13 Exploring Operation: 19-8=11, Resulting Numbers: [5, 11] Generated Node #0,0,1: 15:[5, 11] Operation: 19-8=11 Exploring Operation: 19-5=14, Resulting Numbers: [8, 14] Generated Node #0,0,2: 15:[8, 14] Operation: 19-5=14 Exploring Operation: 8-5=3, Resulting Numbers: [19, 3] Generated Node #0,0,3: 15:[19, 3] Operation: 8-5=3 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 15:[5, 11], Operations: ['6-1=5', '19-8=11'] Exploring Operation: 5+11=16, Resulting Numbers: [16] 16,15 unequal: No Solution Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,15 unequal: No Solution Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 15:[8, 14], Operations: ['6-1=5', '19-5=14'] Exploring Operation: 8*14=112, Resulting Numbers: [112] 112,15 unequal: No Solution Exploring Operation: 8+14=22, Resulting Numbers: [22] 22,15 unequal: No Solution Exploring Operation: 14-8=6, Resulting Numbers: [6] 6,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 15:[19, 3], Operations: ['6-1=5', '8-5=3'] Exploring Operation: 19+3=22, Resulting Numbers: [22] 22,15 unequal: No Solution Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,15 unequal: No Solution Exploring Operation: 19*3=57, Resulting Numbers: [57] 57,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 15:[19, 13], Operations: ['6-1=5', '8+5=13'] Exploring Operation: 19*13=247, Resulting Numbers: [247] 247,15 unequal: No Solution Exploring Operation: 19+13=32, Resulting Numbers: [32] 32,15 unequal: No Solution Exploring Operation: 19-13=6, Resulting Numbers: [6] 6,15 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: 15:[1, 19, 2], Operations: ['8-6=2'] Exploring Operation: 1*19=19, Resulting Numbers: [2, 19] Generated Node #0,2,0: 15:[2, 19] Operation: 1*19=19 Exploring Operation: 19-1=18, Resulting Numbers: [2, 18] Generated Node #0,2,1: 15:[2, 18] Operation: 19-1=18 Exploring Operation: 19-2=17, Resulting Numbers: [1, 17] Generated Node #0,2,2: 15:[1, 17] Operation: 19-2=17 Exploring Operation: 1+2=3, Resulting Numbers: [19, 3] Generated Node #0,2,3: 15:[19, 3] Operation: 1+2=3 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 15:[2, 18], Operations: ['8-6=2', '19-1=18'] Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,15 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,15 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,15 unequal: No Solution Exploring Operation: 2*18=36, Resulting Numbers: [36] 36,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 15:[1, 17], Operations: ['8-6=2', '19-2=17'] Exploring Operation: 1+17=18, Resulting Numbers: [18] 18,15 unequal: No Solution Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,15 unequal: No Solution Exploring Operation: 1*17=17, Resulting Numbers: [17] 17,15 unequal: No Solution Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 15:[19, 3], Operations: ['8-6=2', '1+2=3'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,15 unequal: No Solution Exploring Operation: 19+3=22, Resulting Numbers: [22] 22,15 unequal: No Solution Exploring Operation: 19*3=57, Resulting Numbers: [57] 57,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 15:[2, 19], Operations: ['8-6=2', '1*19=19'] Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,15 unequal: No Solution Exploring Operation: 2+19=21, Resulting Numbers: [21] 21,15 unequal: No Solution Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 15:[1, 19, 14], Operations: ['6+8=14'] Exploring Operation: 1+14=15, Resulting Numbers: [19, 15] Generated Node #0,1,0: 15:[19, 15] Operation: 1+14=15 Exploring Operation: 19-14=5, Resulting Numbers: [1, 5] Generated Node #0,1,1: 15:[1, 5] Operation: 19-14=5 Exploring Operation: 19-1=18, Resulting Numbers: [14, 18] Generated Node #0,1,2: 15:[14, 18] Operation: 19-1=18 Exploring Operation: 1*19=19, Resulting Numbers: [14, 19] Generated Node #0,1,3: 15:[14, 19] Operation: 1*19=19 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 15:[1, 5], Operations: ['6+8=14', '19-14=5'] Exploring Operation: 1*5=5, Resulting Numbers: [5] 5,15 unequal: No Solution Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,15 unequal: No Solution Exploring Operation: 1+5=6, Resulting Numbers: [6] 6,15 unequal: No Solution Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 15:[19, 15], Operations: ['6+8=14', '1+14=15'] Exploring Operation: 19*15=285, Resulting Numbers: [285] 285,15 unequal: No Solution Exploring Operation: 19+15=34, Resulting Numbers: [34] 34,15 unequal: No Solution Exploring Operation: 19-15=4, Resulting Numbers: [4] 4,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 15:[14, 18], Operations: ['6+8=14', '19-1=18'] Exploring Operation: 14*18=252, Resulting Numbers: [252] 252,15 unequal: No Solution Exploring Operation: 14+18=32, Resulting Numbers: [32] 32,15 unequal: No Solution Exploring Operation: 18-14=4, Resulting Numbers: [4] 4,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 15:[14, 19], Operations: ['6+8=14', '1*19=19'] Exploring Operation: 14+19=33, Resulting Numbers: [33] 33,15 unequal: No Solution Exploring Operation: 14*19=266, Resulting Numbers: [266] 266,15 unequal: No Solution Exploring Operation: 19-14=5, Resulting Numbers: [5] 5,15 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: 15:[1, 8, 13], Operations: ['19-6=13'] Exploring Operation: 1*8=8, Resulting Numbers: [13, 8] Generated Node #0,3,0: 15:[13, 8] Operation: 1*8=8 Exploring Operation: 8-1=7, Resulting Numbers: [13, 7] Generated Node #0,3,1: 15:[13, 7] Operation: 8-1=7 Exploring Operation: 13-8=5, Resulting Numbers: [1, 5] Generated Node #0,3,2: 15:[1, 5] Operation: 13-8=5 Exploring Operation: 1+13=14, Resulting Numbers: [8, 14] Generated Node #0,3,3: 15:[8, 14] Operation: 1+13=14 Moving to Node #0,3,2 Current State: 15:[1, 5], Operations: ['19-6=13', '13-8=5'] Exploring Operation: 1*5=5, Resulting Numbers: [5] 5,15 unequal: No Solution Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,15 unequal: No Solution Exploring Operation: 1+5=6, Resulting Numbers: [6] 6,15 unequal: No Solution Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,15 unequal: No Solution Moving to Node #0,3,3 Current State: 15:[8, 14], Operations: ['19-6=13', '1+13=14'] Exploring Operation: 8+14=22, Resulting Numbers: [22] 22,15 unequal: No Solution Exploring Operation: 14-8=6, Resulting Numbers: [6] 6,15 unequal: No Solution Exploring Operation: 8*14=112, Resulting Numbers: [112] 112,15 unequal: No Solution Moving to Node #0,3,1 Current State: 15:[13, 7], Operations: ['19-6=13', '8-1=7'] Exploring Operation: 13-7=6, Resulting Numbers: [6] 6,15 unequal: No Solution Exploring Operation: 13*7=91, Resulting Numbers: [91] 91,15 unequal: No Solution Exploring Operation: 13+7=20, Resulting Numbers: [20] 20,15 unequal: No Solution Moving to Node #0,3,0 Current State: 15:[13, 8], Operations: ['19-6=13', '1*8=8'] Exploring Operation: 13+8=21, Resulting Numbers: [21] 21,15 unequal: No Solution Exploring Operation: 13*8=104, Resulting Numbers: [104] 104,15 unequal: No Solution Exploring Operation: 13-8=5, Resulting Numbers: [5] 5,15 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 77, 75, 35, 34 ]
71
[ "77-75=2", "35+34=69", "2+69=71" ]
Current State: 71:[77, 75, 35, 34], Operations: [] Exploring Operation: 77-75=2, Resulting Numbers: [35, 34, 2] Generated Node #2: [35, 34, 2] from Operation: 77-75=2 Current State: 71:[35, 34, 2], Operations: ['77-75=2'] Exploring Operation: 35+34=69, Resulting Numbers: [2, 69] Generated Node #3: [2, 69] from Operation: 35+34=69 Current State: 71:[2, 69], Operations: ['77-75=2', '35+34=69'] Exploring Operation: 2+69=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[77, 75, 35, 34], Operations: [] Exploring Operation: 77-34=43, Resulting Numbers: [75, 35, 43] Generated Node #0,0: 71:[75, 35, 43] Operation: 77-34=43 Exploring Operation: 35+34=69, Resulting Numbers: [77, 75, 69] Generated Node #0,1: 71:[77, 75, 69] Operation: 35+34=69 Moving to Node #0,1 Current State: 71:[77, 75, 69], Operations: ['35+34=69'] Exploring Operation: 77-75=2, Resulting Numbers: [69, 2] Generated Node #0,1,0: 71:[69, 2] Operation: 77-75=2 Exploring Operation: 77-69=8, Resulting Numbers: [75, 8] Generated Node #0,1,1: 71:[75, 8] Operation: 77-69=8 Moving to Node #0,0 Current State: 71:[75, 35, 43], Operations: ['77-34=43'] Exploring Operation: 35+43=78, Resulting Numbers: [75, 78] Generated Node #0,0,0: 71:[75, 78] Operation: 35+43=78 Exploring Operation: 75-35=40, Resulting Numbers: [43, 40] Generated Node #0,0,1: 71:[43, 40] Operation: 75-35=40 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 71:[75, 78], Operations: ['77-34=43', '35+43=78'] Exploring Operation: 78-75=3, Resulting Numbers: [3] 3,71 unequal: No Solution Exploring Operation: 75+78=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 #0,0,1 Current State: 71:[43, 40], Operations: ['77-34=43', '75-35=40'] Exploring Operation: 43+40=83, Resulting Numbers: [83] 83,71 unequal: No Solution Exploring Operation: 43-40=3, Resulting Numbers: [3] 3,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,1 Current State: 71:[75, 8], Operations: ['35+34=69', '77-69=8'] Exploring Operation: 75+8=83, Resulting Numbers: [83] 83,71 unequal: No Solution Exploring Operation: 75-8=67, Resulting Numbers: [67] 67,71 unequal: No Solution Moving to Node #0,1,0 Current State: 71:[69, 2], Operations: ['35+34=69', '77-75=2'] Exploring Operation: 69+2=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[77, 75, 35, 34], Operations: [] Exploring Operation: 35+34=69, Resulting Numbers: [77, 75, 69] Generated Node #0,1: 71:[77, 75, 69] Operation: 35+34=69 Moving to Node #0,1 Current State: 71:[77, 75, 69], Operations: ['35+34=69'] Exploring Operation: 77-75=2, Resulting Numbers: [69, 2] Generated Node #0,1,0: 71:[69, 2] Operation: 77-75=2 Moving to Node #0,1,0 Current State: 71:[69, 2], Operations: ['35+34=69', '77-75=2'] Exploring Operation: 69+2=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
0.985243
hs_2
sum_heuristic
[ 4, 90, 73, 59 ]
34
[ "73-59=14", "4*14=56", "90-56=34" ]
Current State: 34:[4, 90, 73, 59], Operations: [] Exploring Operation: 73-59=14, Resulting Numbers: [4, 90, 14] Generated Node #2: [4, 90, 14] from Operation: 73-59=14 Current State: 34:[4, 90, 14], Operations: ['73-59=14'] Exploring Operation: 4*14=56, Resulting Numbers: [90, 56] Generated Node #3: [90, 56] from Operation: 4*14=56 Current State: 34:[90, 56], Operations: ['73-59=14', '4*14=56'] Exploring Operation: 90-56=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[4, 90, 73, 59], Operations: [] Exploring Operation: 90-4=86, Resulting Numbers: [73, 59, 86] Generated Node #0,0: 34:[73, 59, 86] Operation: 90-4=86 Exploring Operation: 90-73=17, Resulting Numbers: [4, 59, 17] Generated Node #0,1: 34:[4, 59, 17] Operation: 90-73=17 Exploring Operation: 73-4=69, Resulting Numbers: [90, 59, 69] Generated Node #0,2: 34:[90, 59, 69] Operation: 73-4=69 Exploring Operation: 73-59=14, Resulting Numbers: [4, 90, 14] Generated Node #0,3: 34:[4, 90, 14] Operation: 73-59=14 Exploring Operation: 90-59=31, Resulting Numbers: [4, 73, 31] Generated Node #0,4: 34:[4, 73, 31] Operation: 90-59=31 Moving to Node #0,1 Current State: 34:[4, 59, 17], Operations: ['90-73=17'] Exploring Operation: 4+17=21, Resulting Numbers: [59, 21] Generated Node #0,1,0: 34:[59, 21] Operation: 4+17=21 Exploring Operation: 59-17=42, Resulting Numbers: [4, 42] Generated Node #0,1,1: 34:[4, 42] Operation: 59-17=42 Exploring Operation: 59-4=55, Resulting Numbers: [17, 55] Generated Node #0,1,2: 34:[17, 55] Operation: 59-4=55 Exploring Operation: 17-4=13, Resulting Numbers: [59, 13] Generated Node #0,1,3: 34:[59, 13] Operation: 17-4=13 Exploring Operation: 4+59=63, Resulting Numbers: [17, 63] Generated Node #0,1,4: 34:[17, 63] Operation: 4+59=63 Moving to Node #0,4 Current State: 34:[4, 73, 31], Operations: ['90-59=31'] Exploring Operation: 4+31=35, Resulting Numbers: [73, 35] Generated Node #0,4,0: 34:[73, 35] Operation: 4+31=35 Exploring Operation: 73-4=69, Resulting Numbers: [31, 69] Generated Node #0,4,1: 34:[31, 69] Operation: 73-4=69 Exploring Operation: 73-31=42, Resulting Numbers: [4, 42] Generated Node #0,4,2: 34:[4, 42] Operation: 73-31=42 Exploring Operation: 31-4=27, Resulting Numbers: [73, 27] Generated Node #0,4,3: 34:[73, 27] Operation: 31-4=27 Exploring Operation: 4+73=77, Resulting Numbers: [31, 77] Generated Node #0,4,4: 34:[31, 77] Operation: 4+73=77 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 34:[4, 42], Operations: ['90-59=31', '73-31=42'] Exploring Operation: 4*42=168, Resulting Numbers: [168] 168,34 unequal: No Solution Exploring Operation: 42-4=38, Resulting Numbers: [38] 38,34 unequal: No Solution Exploring Operation: 4+42=46, Resulting Numbers: [46] 46,34 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:[31, 69], Operations: ['90-59=31', '73-4=69'] Exploring Operation: 31*69=2139, Resulting Numbers: [2139] 2139,34 unequal: No Solution Exploring Operation: 31+69=100, Resulting Numbers: [100] 100,34 unequal: No Solution Exploring Operation: 69-31=38, Resulting Numbers: [38] 38,34 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, 35], Operations: ['90-59=31', '4+31=35'] Exploring Operation: 73+35=108, Resulting Numbers: [108] 108,34 unequal: No Solution Exploring Operation: 73-35=38, Resulting Numbers: [38] 38,34 unequal: No Solution Exploring Operation: 73*35=2555, Resulting Numbers: [2555] 2555,34 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:[73, 27], Operations: ['90-59=31', '31-4=27'] Exploring Operation: 73+27=100, Resulting Numbers: [100] 100,34 unequal: No Solution Exploring Operation: 73-27=46, Resulting Numbers: [46] 46,34 unequal: No Solution Exploring Operation: 73*27=1971, Resulting Numbers: [1971] 1971,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 34:[31, 77], Operations: ['90-59=31', '4+73=77'] Exploring Operation: 77-31=46, Resulting Numbers: [46] 46,34 unequal: No Solution Exploring Operation: 31+77=108, Resulting Numbers: [108] 108,34 unequal: No Solution Exploring Operation: 31*77=2387, Resulting Numbers: [2387] 2387,34 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:[4, 90, 14], Operations: ['73-59=14'] Exploring Operation: 14-4=10, Resulting Numbers: [90, 10] Generated Node #0,3,0: 34:[90, 10] Operation: 14-4=10 Exploring Operation: 90-14=76, Resulting Numbers: [4, 76] Generated Node #0,3,1: 34:[4, 76] Operation: 90-14=76 Exploring Operation: 4+90=94, Resulting Numbers: [14, 94] Generated Node #0,3,2: 34:[14, 94] Operation: 4+90=94 Exploring Operation: 4+14=18, Resulting Numbers: [90, 18] Generated Node #0,3,3: 34:[90, 18] Operation: 4+14=18 Exploring Operation: 90-4=86, Resulting Numbers: [14, 86] Generated Node #0,3,4: 34:[14, 86] Operation: 90-4=86 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 34:[4, 76], Operations: ['73-59=14', '90-14=76'] Exploring Operation: 4+76=80, Resulting Numbers: [80] 80,34 unequal: No Solution Exploring Operation: 76-4=72, Resulting Numbers: [72] 72,34 unequal: No Solution Exploring Operation: 4*76=304, Resulting Numbers: [304] 304,34 unequal: No Solution Exploring Operation: 76/4=19, Resulting Numbers: [19] 19,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 34:[14, 86], Operations: ['73-59=14', '90-4=86'] Exploring Operation: 14+86=100, Resulting Numbers: [100] 100,34 unequal: No Solution Exploring Operation: 86-14=72, Resulting Numbers: [72] 72,34 unequal: No Solution Exploring Operation: 14*86=1204, Resulting Numbers: [1204] 1204,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 34:[90, 18], Operations: ['73-59=14', '4+14=18'] Exploring Operation: 90+18=108, Resulting Numbers: [108] 108,34 unequal: No Solution Exploring Operation: 90*18=1620, Resulting Numbers: [1620] 1620,34 unequal: No Solution Exploring Operation: 90/18=5, Resulting Numbers: [5] 5,34 unequal: No Solution Exploring Operation: 90-18=72, Resulting Numbers: [72] 72,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 34:[90, 10], Operations: ['73-59=14', '14-4=10'] Exploring Operation: 90/10=9, Resulting Numbers: [9] 9,34 unequal: No Solution Exploring Operation: 90+10=100, Resulting Numbers: [100] 100,34 unequal: No Solution Exploring Operation: 90-10=80, Resulting Numbers: [80] 80,34 unequal: No Solution Exploring Operation: 90*10=900, Resulting Numbers: [900] 900,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 34:[14, 94], Operations: ['73-59=14', '4+90=94'] Exploring Operation: 14*94=1316, Resulting Numbers: [1316] 1316,34 unequal: No Solution Exploring Operation: 14+94=108, Resulting Numbers: [108] 108,34 unequal: No Solution Exploring Operation: 94-14=80, Resulting Numbers: [80] 80,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 34:[73, 59, 86], Operations: ['90-4=86'] Exploring Operation: 73+86=159, Resulting Numbers: [59, 159] Generated Node #0,0,0: 34:[59, 159] Operation: 73+86=159 Exploring Operation: 73+59=132, Resulting Numbers: [86, 132] Generated Node #0,0,1: 34:[86, 132] Operation: 73+59=132 Exploring Operation: 86-59=27, Resulting Numbers: [73, 27] Generated Node #0,0,2: 34:[73, 27] Operation: 86-59=27 Exploring Operation: 73-59=14, Resulting Numbers: [86, 14] Generated Node #0,0,3: 34:[86, 14] Operation: 73-59=14 Exploring Operation: 86-73=13, Resulting Numbers: [59, 13] Generated Node #0,0,4: 34:[59, 13] Operation: 86-73=13 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 34:[59, 13], Operations: ['90-4=86', '86-73=13'] Exploring Operation: 59+13=72, Resulting Numbers: [72] 72,34 unequal: No Solution Exploring Operation: 59*13=767, Resulting Numbers: [767] 767,34 unequal: No Solution Exploring Operation: 59-13=46, Resulting Numbers: [46] 46,34 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 #0,0,2 Current State: 34:[73, 27], Operations: ['90-4=86', '86-59=27'] Exploring Operation: 73*27=1971, Resulting Numbers: [1971] 1971,34 unequal: No Solution Exploring Operation: 73+27=100, Resulting Numbers: [100] 100,34 unequal: No Solution Exploring Operation: 73-27=46, Resulting Numbers: [46] 46,34 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 #0,0,3 Current State: 34:[86, 14], Operations: ['90-4=86', '73-59=14'] Exploring Operation: 86-14=72, Resulting Numbers: [72] 72,34 unequal: No Solution Exploring Operation: 86*14=1204, Resulting Numbers: [1204] 1204,34 unequal: No Solution Exploring Operation: 86+14=100, Resulting Numbers: [100] 100,34 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 #0,0,0 Current State: 34:[59, 159], Operations: ['90-4=86', '73+86=159'] Exploring Operation: 59+159=218, Resulting Numbers: [218] 218,34 unequal: No Solution Exploring Operation: 159-59=100, Resulting Numbers: [100] 100,34 unequal: No Solution Exploring Operation: 59*159=9381, Resulting Numbers: [9381] 9381,34 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 #0,0,1 Current State: 34:[86, 132], Operations: ['90-4=86', '73+59=132'] Exploring Operation: 86*132=11352, Resulting Numbers: [11352] 11352,34 unequal: No Solution Exploring Operation: 132-86=46, Resulting Numbers: [46] 46,34 unequal: No Solution Exploring Operation: 86+132=218, Resulting Numbers: [218] 218,34 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: 34:[90, 59, 69], Operations: ['73-4=69'] Exploring Operation: 90-59=31, Resulting Numbers: [69, 31] Generated Node #0,2,0: 34:[69, 31] Operation: 90-59=31 Exploring Operation: 90-69=21, Resulting Numbers: [59, 21] Generated Node #0,2,1: 34:[59, 21] Operation: 90-69=21 Exploring Operation: 90+69=159, Resulting Numbers: [59, 159] Generated Node #0,2,2: 34:[59, 159] Operation: 90+69=159 Exploring Operation: 90+59=149, Resulting Numbers: [69, 149] Generated Node #0,2,3: 34:[69, 149] Operation: 90+59=149 Exploring Operation: 69-59=10, Resulting Numbers: [90, 10] Generated Node #0,2,4: 34:[90, 10] Operation: 69-59=10 Moving to Node #0,1,1 Current State: 34:[4, 42], Operations: ['90-73=17', '59-17=42'] Exploring Operation: 42-4=38, Resulting Numbers: [38] 38,34 unequal: No Solution Exploring Operation: 4+42=46, Resulting Numbers: [46] 46,34 unequal: No Solution Exploring Operation: 4*42=168, Resulting Numbers: [168] 168,34 unequal: No Solution Moving to Node #0,1,2 Current State: 34:[17, 55], Operations: ['90-73=17', '59-4=55'] Exploring Operation: 17*55=935, Resulting Numbers: [935] 935,34 unequal: No Solution Exploring Operation: 17+55=72, Resulting Numbers: [72] 72,34 unequal: No Solution Exploring Operation: 55-17=38, Resulting Numbers: [38] 38,34 unequal: No Solution Moving to Node #0,1,0 Current State: 34:[59, 21], Operations: ['90-73=17', '4+17=21'] Exploring Operation: 59-21=38, Resulting Numbers: [38] 38,34 unequal: No Solution Exploring Operation: 59+21=80, Resulting Numbers: [80] 80,34 unequal: No Solution Exploring Operation: 59*21=1239, Resulting Numbers: [1239] 1239,34 unequal: No Solution Moving to Node #0,2,1 Current State: 34:[59, 21], Operations: ['73-4=69', '90-69=21'] Exploring Operation: 59-21=38, Resulting Numbers: [38] 38,34 unequal: No Solution Exploring Operation: 59*21=1239, Resulting Numbers: [1239] 1239,34 unequal: No Solution Exploring Operation: 59+21=80, Resulting Numbers: [80] 80,34 unequal: No Solution Moving to Node #0,1,4 Current State: 34:[17, 63], Operations: ['90-73=17', '4+59=63'] Exploring Operation: 63-17=46, Resulting Numbers: [46] 46,34 unequal: No Solution Exploring Operation: 17*63=1071, Resulting Numbers: [1071] 1071,34 unequal: No Solution Exploring Operation: 17+63=80, Resulting Numbers: [80] 80,34 unequal: No Solution Moving to Node #0,1,3 Current State: 34:[59, 13], Operations: ['90-73=17', '17-4=13'] Exploring Operation: 59-13=46, Resulting Numbers: [46] 46,34 unequal: No Solution Exploring Operation: 59+13=72, Resulting Numbers: [72] 72,34 unequal: No Solution Exploring Operation: 59*13=767, Resulting Numbers: [767] 767,34 unequal: No Solution Moving to Node #0,2,0 Current State: 34:[69, 31], Operations: ['73-4=69', '90-59=31'] Exploring Operation: 69*31=2139, Resulting Numbers: [2139] 2139,34 unequal: No Solution Exploring Operation: 69+31=100, Resulting Numbers: [100] 100,34 unequal: No Solution Exploring Operation: 69-31=38, Resulting Numbers: [38] 38,34 unequal: No Solution Moving to Node #0,2,4 Current State: 34:[90, 10], Operations: ['73-4=69', '69-59=10'] Exploring Operation: 90-10=80, Resulting Numbers: [80] 80,34 unequal: No Solution Exploring Operation: 90+10=100, Resulting Numbers: [100] 100,34 unequal: No Solution Exploring Operation: 90*10=900, Resulting Numbers: [900] 900,34 unequal: No Solution Exploring Operation: 90/10=9, Resulting Numbers: [9] 9,34 unequal: No Solution Moving to Node #0,2,2 Current State: 34:[59, 159], Operations: ['73-4=69', '90+69=159'] Exploring Operation: 159-59=100, Resulting Numbers: [100] 100,34 unequal: No Solution Exploring Operation: 59*159=9381, Resulting Numbers: [9381] 9381,34 unequal: No Solution Exploring Operation: 59+159=218, Resulting Numbers: [218] 218,34 unequal: No Solution Moving to Node #0,2,3 Current State: 34:[69, 149], Operations: ['73-4=69', '90+59=149'] Exploring Operation: 69+149=218, Resulting Numbers: [218] 218,34 unequal: No Solution Exploring Operation: 69*149=10281, Resulting Numbers: [10281] 10281,34 unequal: No Solution Exploring Operation: 149-69=80, Resulting Numbers: [80] 80,34 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 9, 85, 75, 6 ]
51
[ "85-75=10", "6*10=60", "60-9=51" ]
Current State: 51:[9, 85, 75, 6], Operations: [] Exploring Operation: 85-75=10, Resulting Numbers: [9, 6, 10] Generated Node #2: [9, 6, 10] from Operation: 85-75=10 Current State: 51:[9, 6, 10], Operations: ['85-75=10'] Exploring Operation: 6*10=60, Resulting Numbers: [9, 60] Generated Node #3: [9, 60] from Operation: 6*10=60 Current State: 51:[9, 60], Operations: ['85-75=10', '6*10=60'] Exploring Operation: 60-9=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[9, 85, 75, 6], Operations: [] Exploring Operation: 85-75=10, Resulting Numbers: [9, 6, 10] Generated Node #0,0: 51:[9, 6, 10] Operation: 85-75=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[9, 6, 10], Operations: ['85-75=10'] Exploring Operation: 9+10=19, Resulting Numbers: [6, 19] Generated Node #0,0,0: 51:[6, 19] Operation: 9+10=19 Moving to Node #0,0,0 Current State: 51:[6, 19], Operations: ['85-75=10', '9+10=19'] Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 88, 29, 17, 28 ]
14
[ "88-29=59", "17+28=45", "59-45=14" ]
Current State: 14:[88, 29, 17, 28], Operations: [] Exploring Operation: 88-29=59, Resulting Numbers: [17, 28, 59] Generated Node #2: [17, 28, 59] from Operation: 88-29=59 Current State: 14:[17, 28, 59], Operations: ['88-29=59'] Exploring Operation: 17+28=45, Resulting Numbers: [59, 45] Generated Node #3: [59, 45] from Operation: 17+28=45 Current State: 14:[59, 45], Operations: ['88-29=59', '17+28=45'] Exploring Operation: 59-45=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[88, 29, 17, 28], Operations: [] Exploring Operation: 88-28=60, Resulting Numbers: [29, 17, 60] Generated Node #0,0: 14:[29, 17, 60] Operation: 88-28=60 Exploring Operation: 88-29=59, Resulting Numbers: [17, 28, 59] Generated Node #0,1: 14:[17, 28, 59] Operation: 88-29=59 Exploring Operation: 29-28=1, Resulting Numbers: [88, 17, 1] Generated Node #0,2: 14:[88, 17, 1] Operation: 29-28=1 Moving to Node #0,1 Current State: 14:[17, 28, 59], Operations: ['88-29=59'] Exploring Operation: 59-28=31, Resulting Numbers: [17, 31] Generated Node #0,1,0: 14:[17, 31] Operation: 59-28=31 Exploring Operation: 28-17=11, Resulting Numbers: [59, 11] Generated Node #0,1,1: 14:[59, 11] Operation: 28-17=11 Exploring Operation: 59-17=42, Resulting Numbers: [28, 42] Generated Node #0,1,2: 14:[28, 42] Operation: 59-17=42 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 14:[17, 31], Operations: ['88-29=59', '59-28=31'] Exploring Operation: 17*31=527, Resulting Numbers: [527] 527,14 unequal: No Solution Exploring Operation: 17+31=48, Resulting Numbers: [48] 48,14 unequal: No Solution Exploring Operation: 31-17=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[88, 29, 17, 28], Operations: [] Exploring Operation: 88-29=59, Resulting Numbers: [17, 28, 59] Generated Node #0,1: 14:[17, 28, 59] Operation: 88-29=59 Moving to Node #0,1 Current State: 14:[17, 28, 59], Operations: ['88-29=59'] Exploring Operation: 59-28=31, Resulting Numbers: [17, 31] Generated Node #0,1,0: 14:[17, 31] Operation: 59-28=31 Moving to Node #0,1,0 Current State: 14:[17, 31], Operations: ['88-29=59', '59-28=31'] Exploring Operation: 31-17=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 19, 42, 70, 42 ]
19
[ "42-42=0", "70*0=0", "19+0=19" ]
Current State: 19:[19, 42, 70, 42], Operations: [] Exploring Operation: 42-42=0, Resulting Numbers: [19, 70, 0] Generated Node #2: [19, 70, 0] from Operation: 42-42=0 Current State: 19:[19, 70, 0], Operations: ['42-42=0'] Exploring Operation: 70*0=0, Resulting Numbers: [19, 0] Generated Node #3: [19, 0] from Operation: 70*0=0 Current State: 19:[19, 0], Operations: ['42-42=0', '70*0=0'] Exploring Operation: 19+0=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[19, 42, 70, 42], Operations: [] Exploring Operation: 70-42=28, Resulting Numbers: [19, 42, 28] Generated Node #0,0: 19:[19, 42, 28] Operation: 70-42=28 Exploring Operation: 42/42=1, Resulting Numbers: [19, 70, 1] Generated Node #0,1: 19:[19, 70, 1] Operation: 42/42=1 Exploring Operation: 42-19=23, Resulting Numbers: [70, 42, 23] Generated Node #0,2: 19:[70, 42, 23] Operation: 42-19=23 Exploring Operation: 70-42=28, Resulting Numbers: [19, 42, 28] Generated Node #0,3: 19:[19, 42, 28] Operation: 70-42=28 Exploring Operation: 42-42=0, Resulting Numbers: [19, 70, 0] Generated Node #0,4: 19:[19, 70, 0] Operation: 42-42=0 Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[19, 42, 28], Operations: ['70-42=28'] Exploring Operation: 19+42=61, Resulting Numbers: [28, 61] Generated Node #0,0,0: 19:[28, 61] Operation: 19+42=61 Exploring Operation: 42-19=23, Resulting Numbers: [28, 23] Generated Node #0,0,1: 19:[28, 23] Operation: 42-19=23 Exploring Operation: 19+28=47, Resulting Numbers: [42, 47] Generated Node #0,0,2: 19:[42, 47] Operation: 19+28=47 Exploring Operation: 28-19=9, Resulting Numbers: [42, 9] Generated Node #0,0,3: 19:[42, 9] Operation: 28-19=9 Exploring Operation: 42-28=14, Resulting Numbers: [19, 14] Generated Node #0,0,4: 19:[19, 14] Operation: 42-28=14 Moving to Node #0,0,4 Current State: 19:[19, 14], Operations: ['70-42=28', '42-28=14'] Exploring Operation: 19*14=266, Resulting Numbers: [266] 266,19 unequal: No Solution Exploring Operation: 19+14=33, Resulting Numbers: [33] 33,19 unequal: No Solution Exploring Operation: 19-14=5, Resulting Numbers: [5] 5,19 unequal: No Solution Moving to Node #0,0,1 Current State: 19:[28, 23], Operations: ['70-42=28', '42-19=23'] Exploring Operation: 28*23=644, Resulting Numbers: [644] 644,19 unequal: No Solution Exploring Operation: 28-23=5, Resulting Numbers: [5] 5,19 unequal: No Solution Exploring Operation: 28+23=51, Resulting Numbers: [51] 51,19 unequal: No Solution Moving to Node #0,0,3 Current State: 19:[42, 9], Operations: ['70-42=28', '28-19=9'] Exploring Operation: 42-9=33, Resulting Numbers: [33] 33,19 unequal: No Solution Exploring Operation: 42*9=378, Resulting Numbers: [378] 378,19 unequal: No Solution Exploring Operation: 42+9=51, Resulting Numbers: [51] 51,19 unequal: No Solution Moving to Node #0,0,0 Current State: 19:[28, 61], Operations: ['70-42=28', '19+42=61'] Exploring Operation: 61-28=33, Resulting Numbers: [33] 33,19 unequal: No Solution Exploring Operation: 28+61=89, Resulting Numbers: [89] 89,19 unequal: No Solution Exploring Operation: 28*61=1708, Resulting Numbers: [1708] 1708,19 unequal: No Solution Moving to Node #0,0,2 Current State: 19:[42, 47], Operations: ['70-42=28', '19+28=47'] Exploring Operation: 47-42=5, Resulting Numbers: [5] 5,19 unequal: No Solution Exploring Operation: 42+47=89, Resulting Numbers: [89] 89,19 unequal: No Solution Exploring Operation: 42*47=1974, Resulting Numbers: [1974] 1974,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 19:[19, 42, 28], Operations: ['70-42=28'] Exploring Operation: 42-28=14, Resulting Numbers: [19, 14] Generated Node #0,3,0: 19:[19, 14] Operation: 42-28=14 Exploring Operation: 19+42=61, Resulting Numbers: [28, 61] Generated Node #0,3,1: 19:[28, 61] Operation: 19+42=61 Exploring Operation: 42-19=23, Resulting Numbers: [28, 23] Generated Node #0,3,2: 19:[28, 23] Operation: 42-19=23 Exploring Operation: 19+28=47, Resulting Numbers: [42, 47] Generated Node #0,3,3: 19:[42, 47] Operation: 19+28=47 Exploring Operation: 28-19=9, Resulting Numbers: [42, 9] Generated Node #0,3,4: 19:[42, 9] Operation: 28-19=9 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 19:[19, 14], Operations: ['70-42=28', '42-28=14'] Exploring Operation: 19*14=266, Resulting Numbers: [266] 266,19 unequal: No Solution Exploring Operation: 19+14=33, Resulting Numbers: [33] 33,19 unequal: No Solution Exploring Operation: 19-14=5, Resulting Numbers: [5] 5,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 19:[28, 23], Operations: ['70-42=28', '42-19=23'] Exploring Operation: 28*23=644, Resulting Numbers: [644] 644,19 unequal: No Solution Exploring Operation: 28+23=51, Resulting Numbers: [51] 51,19 unequal: No Solution Exploring Operation: 28-23=5, Resulting Numbers: [5] 5,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 19:[42, 9], Operations: ['70-42=28', '28-19=9'] Exploring Operation: 42*9=378, Resulting Numbers: [378] 378,19 unequal: No Solution Exploring Operation: 42-9=33, Resulting Numbers: [33] 33,19 unequal: No Solution Exploring Operation: 42+9=51, Resulting Numbers: [51] 51,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 19:[28, 61], Operations: ['70-42=28', '19+42=61'] Exploring Operation: 61-28=33, Resulting Numbers: [33] 33,19 unequal: No Solution Exploring Operation: 28*61=1708, Resulting Numbers: [1708] 1708,19 unequal: No Solution Exploring Operation: 28+61=89, Resulting Numbers: [89] 89,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 19:[42, 47], Operations: ['70-42=28', '19+28=47'] Exploring Operation: 42+47=89, Resulting Numbers: [89] 89,19 unequal: No Solution Exploring Operation: 47-42=5, Resulting Numbers: [5] 5,19 unequal: No Solution Exploring Operation: 42*47=1974, Resulting Numbers: [1974] 1974,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 19:[19, 70, 1], Operations: ['42/42=1'] Exploring Operation: 70-19=51, Resulting Numbers: [1, 51] Generated Node #0,1,0: 19:[1, 51] Operation: 70-19=51 Exploring Operation: 19*1=19, Resulting Numbers: [70, 19] Generated Node #0,1,1: 19:[70, 19] Operation: 19*1=19 Exploring Operation: 70*1=70, Resulting Numbers: [19, 70] Generated Node #0,1,2: 19:[19, 70] Operation: 70*1=70 Exploring Operation: 70-1=69, Resulting Numbers: [19, 69] Generated Node #0,1,3: 19:[19, 69] Operation: 70-1=69 Exploring Operation: 19/1=19, Resulting Numbers: [70, 19] Generated Node #0,1,4: 19:[70, 19] Operation: 19/1=19 Moving to Node #0,1,0 Current State: 19:[1, 51], Operations: ['42/42=1', '70-19=51'] Exploring Operation: 1*51=51, Resulting Numbers: [51] 51,19 unequal: No Solution Exploring Operation: 51-1=50, Resulting Numbers: [50] 50,19 unequal: No Solution Exploring Operation: 1+51=52, Resulting Numbers: [52] 52,19 unequal: No Solution Exploring Operation: 51/1=51, Resulting Numbers: [51] 51,19 unequal: No Solution Moving to Node #0,1,3 Current State: 19:[19, 69], Operations: ['42/42=1', '70-1=69'] Exploring Operation: 69-19=50, Resulting Numbers: [50] 50,19 unequal: No Solution Exploring Operation: 19+69=88, Resulting Numbers: [88] 88,19 unequal: No Solution Exploring Operation: 19*69=1311, Resulting Numbers: [1311] 1311,19 unequal: No Solution Moving to Node #0,1,1 Current State: 19:[70, 19], Operations: ['42/42=1', '19*1=19'] Exploring Operation: 70-19=51, Resulting Numbers: [51] 51,19 unequal: No Solution Exploring Operation: 70*19=1330, Resulting Numbers: [1330] 1330,19 unequal: No Solution Exploring Operation: 70+19=89, Resulting Numbers: [89] 89,19 unequal: No Solution Moving to Node #0,1,2 Current State: 19:[19, 70], Operations: ['42/42=1', '70*1=70'] Exploring Operation: 19*70=1330, Resulting Numbers: [1330] 1330,19 unequal: No Solution Exploring Operation: 19+70=89, Resulting Numbers: [89] 89,19 unequal: No Solution Exploring Operation: 70-19=51, Resulting Numbers: [51] 51,19 unequal: No Solution Moving to Node #0,1,4 Current State: 19:[70, 19], Operations: ['42/42=1', '19/1=19'] Exploring Operation: 70-19=51, Resulting Numbers: [51] 51,19 unequal: No Solution Exploring Operation: 70*19=1330, Resulting Numbers: [1330] 1330,19 unequal: No Solution Exploring Operation: 70+19=89, Resulting Numbers: [89] 89,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 19:[19, 70, 0], Operations: ['42-42=0'] Exploring Operation: 70*0=0, Resulting Numbers: [19, 0] Generated Node #0,4,0: 19:[19, 0] Operation: 70*0=0 Exploring Operation: 70-19=51, Resulting Numbers: [0, 51] Generated Node #0,4,1: 19:[0, 51] Operation: 70-19=51 Exploring Operation: 70+0=70, Resulting Numbers: [19, 70] Generated Node #0,4,2: 19:[19, 70] Operation: 70+0=70 Exploring Operation: 19-0=19, Resulting Numbers: [70, 19] Generated Node #0,4,3: 19:[70, 19] Operation: 19-0=19 Exploring Operation: 19+0=19, Resulting Numbers: [70, 19] Generated Node #0,4,4: 19:[70, 19] Operation: 19+0=19 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 19:[19, 0], Operations: ['42-42=0', '70*0=0'] Exploring Operation: 19+0=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[19, 42, 70, 42], Operations: [] Exploring Operation: 42-42=0, Resulting Numbers: [19, 70, 0] Generated Node #0,4: 19:[19, 70, 0] Operation: 42-42=0 Moving to Node #0,4 Current State: 19:[19, 70, 0], Operations: ['42-42=0'] Exploring Operation: 70*0=0, Resulting Numbers: [19, 0] Generated Node #0,4,0: 19:[19, 0] Operation: 70*0=0 Moving to Node #0,4,0 Current State: 19:[19, 0], Operations: ['42-42=0', '70*0=0'] Exploring Operation: 19+0=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.934028
hs_5
mult_heuristic
[ 68, 71, 35, 4 ]
19
[ "68/4=17", "71-35=36", "36-17=19" ]
Current State: 19:[68, 71, 35, 4], Operations: [] Exploring Operation: 68/4=17, Resulting Numbers: [71, 35, 17] Generated Node #2: [71, 35, 17] from Operation: 68/4=17 Current State: 19:[71, 35, 17], Operations: ['68/4=17'] Exploring Operation: 71-35=36, Resulting Numbers: [17, 36] Generated Node #3: [17, 36] from Operation: 71-35=36 Current State: 19:[17, 36], Operations: ['68/4=17', '71-35=36'] Exploring Operation: 36-17=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[68, 71, 35, 4], Operations: [] Exploring Operation: 68/4=17, Resulting Numbers: [71, 35, 17] Generated Node #0,0: 19:[71, 35, 17] Operation: 68/4=17 Exploring Operation: 71-68=3, Resulting Numbers: [35, 4, 3] Generated Node #0,1: 19:[35, 4, 3] Operation: 71-68=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 19:[35, 4, 3], Operations: ['71-68=3'] Exploring Operation: 4*3=12, Resulting Numbers: [35, 12] Generated Node #0,1,0: 19:[35, 12] Operation: 4*3=12 Exploring Operation: 35-4=31, Resulting Numbers: [3, 31] Generated Node #0,1,1: 19:[3, 31] Operation: 35-4=31 Moving to Node #0,1,0 Current State: 19:[35, 12], Operations: ['71-68=3', '4*3=12'] Exploring Operation: 35-12=23, Resulting Numbers: [23] 23,19 unequal: No Solution Exploring Operation: 35+12=47, Resulting Numbers: [47] 47,19 unequal: No Solution Moving to Node #0,1,1 Current State: 19:[3, 31], Operations: ['71-68=3', '35-4=31'] Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,19 unequal: No Solution Exploring Operation: 3+31=34, Resulting Numbers: [34] 34,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[71, 35, 17], Operations: ['68/4=17'] Exploring Operation: 71-35=36, Resulting Numbers: [17, 36] Generated Node #0,0,0: 19:[17, 36] Operation: 71-35=36 Exploring Operation: 71-17=54, Resulting Numbers: [35, 54] Generated Node #0,0,1: 19:[35, 54] Operation: 71-17=54 Moving to Node #0,0,0 Current State: 19:[17, 36], Operations: ['68/4=17', '71-35=36'] Exploring Operation: 36-17=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[68, 71, 35, 4], Operations: [] Exploring Operation: 68/4=17, Resulting Numbers: [71, 35, 17] Generated Node #0,0: 19:[71, 35, 17] Operation: 68/4=17 Moving to Node #0,0 Current State: 19:[71, 35, 17], Operations: ['68/4=17'] Exploring Operation: 71-35=36, Resulting Numbers: [17, 36] Generated Node #0,0,0: 19:[17, 36] Operation: 71-35=36 Moving to Node #0,0,0 Current State: 19:[17, 36], Operations: ['68/4=17', '71-35=36'] Exploring Operation: 36-17=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 56, 59, 80, 76 ]
55
[ "76-56=20", "80/20=4", "59-4=55" ]
Current State: 55:[56, 59, 80, 76], Operations: [] Exploring Operation: 76-56=20, Resulting Numbers: [59, 80, 20] Generated Node #2: [59, 80, 20] from Operation: 76-56=20 Current State: 55:[59, 80, 20], Operations: ['76-56=20'] Exploring Operation: 80/20=4, Resulting Numbers: [59, 4] Generated Node #3: [59, 4] from Operation: 80/20=4 Current State: 55:[59, 4], Operations: ['76-56=20', '80/20=4'] Exploring Operation: 59-4=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[56, 59, 80, 76], Operations: [] Exploring Operation: 80-59=21, Resulting Numbers: [56, 76, 21] Generated Node #0,0: 55:[56, 76, 21] Operation: 80-59=21 Exploring Operation: 80-76=4, Resulting Numbers: [56, 59, 4] Generated Node #0,1: 55:[56, 59, 4] Operation: 80-76=4 Exploring Operation: 76-59=17, Resulting Numbers: [56, 80, 17] Generated Node #0,2: 55:[56, 80, 17] Operation: 76-59=17 Exploring Operation: 80-56=24, Resulting Numbers: [59, 76, 24] Generated Node #0,3: 55:[59, 76, 24] Operation: 80-56=24 Moving to Node #0,1 Current State: 55:[56, 59, 4], Operations: ['80-76=4'] Exploring Operation: 56/4=14, Resulting Numbers: [59, 14] Generated Node #0,1,0: 55:[59, 14] Operation: 56/4=14 Exploring Operation: 59-56=3, Resulting Numbers: [4, 3] Generated Node #0,1,1: 55:[4, 3] Operation: 59-56=3 Exploring Operation: 56-4=52, Resulting Numbers: [59, 52] Generated Node #0,1,2: 55:[59, 52] Operation: 56-4=52 Exploring Operation: 59-4=55, Resulting Numbers: [56, 55] Generated Node #0,1,3: 55:[56, 55] Operation: 59-4=55 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 55:[56, 55], Operations: ['80-76=4', '59-4=55'] Exploring Operation: 56+55=111, Resulting Numbers: [111] 111,55 unequal: No Solution Exploring Operation: 56*55=3080, Resulting Numbers: [3080] 3080,55 unequal: No Solution Exploring Operation: 56-55=1, Resulting Numbers: [1] 1,55 unequal: No Solution No 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: 55:[4, 3], Operations: ['80-76=4', '59-56=3'] Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,55 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,55 unequal: No Solution Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,55 unequal: No Solution No 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: 55:[59, 14], Operations: ['80-76=4', '56/4=14'] Exploring Operation: 59+14=73, Resulting Numbers: [73] 73,55 unequal: No Solution Exploring Operation: 59-14=45, Resulting Numbers: [45] 45,55 unequal: No Solution Exploring Operation: 59*14=826, Resulting Numbers: [826] 826,55 unequal: No Solution No 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: 55:[59, 52], Operations: ['80-76=4', '56-4=52'] Exploring Operation: 59+52=111, Resulting Numbers: [111] 111,55 unequal: No Solution Exploring Operation: 59-52=7, Resulting Numbers: [7] 7,55 unequal: No Solution Exploring Operation: 59*52=3068, Resulting Numbers: [3068] 3068,55 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: 55:[56, 80, 17], Operations: ['76-59=17'] Exploring Operation: 80-56=24, Resulting Numbers: [17, 24] Generated Node #0,2,0: 55:[17, 24] Operation: 80-56=24 Exploring Operation: 56-17=39, Resulting Numbers: [80, 39] Generated Node #0,2,1: 55:[80, 39] Operation: 56-17=39 Exploring Operation: 56+17=73, Resulting Numbers: [80, 73] Generated Node #0,2,2: 55:[80, 73] Operation: 56+17=73 Exploring Operation: 80-17=63, Resulting Numbers: [56, 63] Generated Node #0,2,3: 55:[56, 63] Operation: 80-17=63 Moving to Node #0,0 Current State: 55:[56, 76, 21], Operations: ['80-59=21'] Exploring Operation: 56-21=35, Resulting Numbers: [76, 35] Generated Node #0,0,0: 55:[76, 35] Operation: 56-21=35 Exploring Operation: 76-21=55, Resulting Numbers: [56, 55] Generated Node #0,0,1: 55:[56, 55] Operation: 76-21=55 Exploring Operation: 56+21=77, Resulting Numbers: [76, 77] Generated Node #0,0,2: 55:[76, 77] Operation: 56+21=77 Exploring Operation: 76-56=20, Resulting Numbers: [21, 20] Generated Node #0,0,3: 55:[21, 20] Operation: 76-56=20 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 55:[56, 55], Operations: ['80-59=21', '76-21=55'] Exploring Operation: 56+55=111, Resulting Numbers: [111] 111,55 unequal: No Solution Exploring Operation: 56*55=3080, Resulting Numbers: [3080] 3080,55 unequal: No Solution Exploring Operation: 56-55=1, Resulting Numbers: [1] 1,55 unequal: No Solution No 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: 55:[21, 20], Operations: ['80-59=21', '76-56=20'] Exploring Operation: 21+20=41, Resulting Numbers: [41] 41,55 unequal: No Solution Exploring Operation: 21*20=420, Resulting Numbers: [420] 420,55 unequal: No Solution Exploring Operation: 21-20=1, Resulting Numbers: [1] 1,55 unequal: No Solution No 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: 55:[76, 35], Operations: ['80-59=21', '56-21=35'] Exploring Operation: 76+35=111, Resulting Numbers: [111] 111,55 unequal: No Solution Exploring Operation: 76-35=41, Resulting Numbers: [41] 41,55 unequal: No Solution Exploring Operation: 76*35=2660, Resulting Numbers: [2660] 2660,55 unequal: No Solution No 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: 55:[76, 77], Operations: ['80-59=21', '56+21=77'] Exploring Operation: 76+77=153, Resulting Numbers: [153] 153,55 unequal: No Solution Exploring Operation: 76*77=5852, Resulting Numbers: [5852] 5852,55 unequal: No Solution Exploring Operation: 77-76=1, Resulting Numbers: [1] 1,55 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: 55:[59, 76, 24], Operations: ['80-56=24'] Exploring Operation: 59+24=83, Resulting Numbers: [76, 83] Generated Node #0,3,0: 55:[76, 83] Operation: 59+24=83 Exploring Operation: 76-24=52, Resulting Numbers: [59, 52] Generated Node #0,3,1: 55:[59, 52] Operation: 76-24=52 Exploring Operation: 59-24=35, Resulting Numbers: [76, 35] Generated Node #0,3,2: 55:[76, 35] Operation: 59-24=35 Exploring Operation: 76-59=17, Resulting Numbers: [24, 17] Generated Node #0,3,3: 55:[24, 17] Operation: 76-59=17 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 55:[59, 52], Operations: ['80-56=24', '76-24=52'] Exploring Operation: 59-52=7, Resulting Numbers: [7] 7,55 unequal: No Solution Exploring Operation: 59+52=111, Resulting Numbers: [111] 111,55 unequal: No Solution Exploring Operation: 59*52=3068, Resulting Numbers: [3068] 3068,55 unequal: No Solution No 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: 55:[24, 17], Operations: ['80-56=24', '76-59=17'] Exploring Operation: 24+17=41, Resulting Numbers: [41] 41,55 unequal: No Solution Exploring Operation: 24*17=408, Resulting Numbers: [408] 408,55 unequal: No Solution Exploring Operation: 24-17=7, Resulting Numbers: [7] 7,55 unequal: No Solution No 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: 55:[76, 35], Operations: ['80-56=24', '59-24=35'] Exploring Operation: 76-35=41, Resulting Numbers: [41] 41,55 unequal: No Solution Exploring Operation: 76*35=2660, Resulting Numbers: [2660] 2660,55 unequal: No Solution Exploring Operation: 76+35=111, Resulting Numbers: [111] 111,55 unequal: No Solution No 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: 55:[76, 83], Operations: ['80-56=24', '59+24=83'] Exploring Operation: 76+83=159, Resulting Numbers: [159] 159,55 unequal: No Solution Exploring Operation: 83-76=7, Resulting Numbers: [7] 7,55 unequal: No Solution Exploring Operation: 76*83=6308, Resulting Numbers: [6308] 6308,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,3 Current State: 55:[56, 63], Operations: ['76-59=17', '80-17=63'] Exploring Operation: 63-56=7, Resulting Numbers: [7] 7,55 unequal: No Solution Exploring Operation: 56*63=3528, Resulting Numbers: [3528] 3528,55 unequal: No Solution Exploring Operation: 56+63=119, Resulting Numbers: [119] 119,55 unequal: No Solution Moving to Node #0,2,0 Current State: 55:[17, 24], Operations: ['76-59=17', '80-56=24'] Exploring Operation: 17+24=41, Resulting Numbers: [41] 41,55 unequal: No Solution Exploring Operation: 24-17=7, Resulting Numbers: [7] 7,55 unequal: No Solution Exploring Operation: 17*24=408, Resulting Numbers: [408] 408,55 unequal: No Solution Moving to Node #0,2,1 Current State: 55:[80, 39], Operations: ['76-59=17', '56-17=39'] Exploring Operation: 80-39=41, Resulting Numbers: [41] 41,55 unequal: No Solution Exploring Operation: 80*39=3120, Resulting Numbers: [3120] 3120,55 unequal: No Solution Exploring Operation: 80+39=119, Resulting Numbers: [119] 119,55 unequal: No Solution Moving to Node #0,2,2 Current State: 55:[80, 73], Operations: ['76-59=17', '56+17=73'] Exploring Operation: 80+73=153, Resulting Numbers: [153] 153,55 unequal: No Solution Exploring Operation: 80*73=5840, Resulting Numbers: [5840] 5840,55 unequal: No Solution Exploring Operation: 80-73=7, Resulting Numbers: [7] 7,55 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 90, 75, 21, 19 ]
55
[ "90-75=15", "21+19=40", "15+40=55" ]
Current State: 55:[90, 75, 21, 19], Operations: [] Exploring Operation: 90-75=15, Resulting Numbers: [21, 19, 15] Generated Node #2: [21, 19, 15] from Operation: 90-75=15 Current State: 55:[21, 19, 15], Operations: ['90-75=15'] Exploring Operation: 21+19=40, Resulting Numbers: [15, 40] Generated Node #3: [15, 40] from Operation: 21+19=40 Current State: 55:[15, 40], Operations: ['90-75=15', '21+19=40'] Exploring Operation: 15+40=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[90, 75, 21, 19], Operations: [] Exploring Operation: 90-21=69, Resulting Numbers: [75, 19, 69] Generated Node #0,0: 55:[75, 19, 69] Operation: 90-21=69 Exploring Operation: 90-75=15, Resulting Numbers: [21, 19, 15] Generated Node #0,1: 55:[21, 19, 15] Operation: 90-75=15 Exploring Operation: 90-19=71, Resulting Numbers: [75, 21, 71] Generated Node #0,2: 55:[75, 21, 71] Operation: 90-19=71 Exploring Operation: 75-21=54, Resulting Numbers: [90, 19, 54] Generated Node #0,3: 55:[90, 19, 54] Operation: 75-21=54 Exploring Operation: 75-19=56, Resulting Numbers: [90, 21, 56] Generated Node #0,4: 55:[90, 21, 56] Operation: 75-19=56 Moving to Node #0,1 Current State: 55:[21, 19, 15], Operations: ['90-75=15'] Exploring Operation: 21-15=6, Resulting Numbers: [19, 6] Generated Node #0,1,0: 55:[19, 6] Operation: 21-15=6 Exploring Operation: 21+19=40, Resulting Numbers: [15, 40] Generated Node #0,1,1: 55:[15, 40] Operation: 21+19=40 Exploring Operation: 19-15=4, Resulting Numbers: [21, 4] Generated Node #0,1,2: 55:[21, 4] Operation: 19-15=4 Exploring Operation: 21-19=2, Resulting Numbers: [15, 2] Generated Node #0,1,3: 55:[15, 2] Operation: 21-19=2 Exploring Operation: 21+15=36, Resulting Numbers: [19, 36] Generated Node #0,1,4: 55:[19, 36] Operation: 21+15=36 Moving to Node #0,0 Current State: 55:[75, 19, 69], Operations: ['90-21=69'] Exploring Operation: 19+69=88, Resulting Numbers: [75, 88] Generated Node #0,0,0: 55:[75, 88] Operation: 19+69=88 Exploring Operation: 69-19=50, Resulting Numbers: [75, 50] Generated Node #0,0,1: 55:[75, 50] Operation: 69-19=50 Exploring Operation: 75+19=94, Resulting Numbers: [69, 94] Generated Node #0,0,2: 55:[69, 94] Operation: 75+19=94 Exploring Operation: 75-69=6, Resulting Numbers: [19, 6] Generated Node #0,0,3: 55:[19, 6] Operation: 75-69=6 Exploring Operation: 75-19=56, Resulting Numbers: [69, 56] Generated Node #0,0,4: 55:[69, 56] Operation: 75-19=56 Moving to Node #0,3 Current State: 55:[90, 19, 54], Operations: ['75-21=54'] Exploring Operation: 19+54=73, Resulting Numbers: [90, 73] Generated Node #0,3,0: 55:[90, 73] Operation: 19+54=73 Exploring Operation: 54-19=35, Resulting Numbers: [90, 35] Generated Node #0,3,1: 55:[90, 35] Operation: 54-19=35 Exploring Operation: 90+19=109, Resulting Numbers: [54, 109] Generated Node #0,3,2: 55:[54, 109] Operation: 90+19=109 Exploring Operation: 90-54=36, Resulting Numbers: [19, 36] Generated Node #0,3,3: 55:[19, 36] Operation: 90-54=36 Exploring Operation: 90-19=71, Resulting Numbers: [54, 71] Generated Node #0,3,4: 55:[54, 71] Operation: 90-19=71 Moving to Node #0,2 Current State: 55:[75, 21, 71], Operations: ['90-19=71'] Exploring Operation: 71-21=50, Resulting Numbers: [75, 50] Generated Node #0,2,0: 55:[75, 50] Operation: 71-21=50 Exploring Operation: 21+71=92, Resulting Numbers: [75, 92] Generated Node #0,2,1: 55:[75, 92] Operation: 21+71=92 Exploring Operation: 75+21=96, Resulting Numbers: [71, 96] Generated Node #0,2,2: 55:[71, 96] Operation: 75+21=96 Exploring Operation: 75-21=54, Resulting Numbers: [71, 54] Generated Node #0,2,3: 55:[71, 54] Operation: 75-21=54 Exploring Operation: 75-71=4, Resulting Numbers: [21, 4] Generated Node #0,2,4: 55:[21, 4] Operation: 75-71=4 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 55:[21, 4], Operations: ['90-19=71', '75-71=4'] Exploring Operation: 21*4=84, Resulting Numbers: [84] 84,55 unequal: No Solution Exploring Operation: 21+4=25, Resulting Numbers: [25] 25,55 unequal: No Solution Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,55 unequal: No Solution No 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: 55:[71, 54], Operations: ['90-19=71', '75-21=54'] Exploring Operation: 71*54=3834, Resulting Numbers: [3834] 3834,55 unequal: No Solution Exploring Operation: 71+54=125, Resulting Numbers: [125] 125,55 unequal: No Solution Exploring Operation: 71-54=17, Resulting Numbers: [17] 17,55 unequal: No Solution No 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: 55:[75, 50], Operations: ['90-19=71', '71-21=50'] Exploring Operation: 75+50=125, Resulting Numbers: [125] 125,55 unequal: No Solution Exploring Operation: 75-50=25, Resulting Numbers: [25] 25,55 unequal: No Solution Exploring Operation: 75*50=3750, Resulting Numbers: [3750] 3750,55 unequal: No Solution No 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: 55:[75, 92], Operations: ['90-19=71', '21+71=92'] Exploring Operation: 92-75=17, Resulting Numbers: [17] 17,55 unequal: No Solution Exploring Operation: 75+92=167, Resulting Numbers: [167] 167,55 unequal: No Solution Exploring Operation: 75*92=6900, Resulting Numbers: [6900] 6900,55 unequal: No Solution No 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: 55:[71, 96], Operations: ['90-19=71', '75+21=96'] Exploring Operation: 71+96=167, Resulting Numbers: [167] 167,55 unequal: No Solution Exploring Operation: 71*96=6816, Resulting Numbers: [6816] 6816,55 unequal: No Solution Exploring Operation: 96-71=25, Resulting Numbers: [25] 25,55 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: 55:[90, 21, 56], Operations: ['75-19=56'] Exploring Operation: 90-56=34, Resulting Numbers: [21, 34] Generated Node #0,4,0: 55:[21, 34] Operation: 90-56=34 Exploring Operation: 90-21=69, Resulting Numbers: [56, 69] Generated Node #0,4,1: 55:[56, 69] Operation: 90-21=69 Exploring Operation: 56-21=35, Resulting Numbers: [90, 35] Generated Node #0,4,2: 55:[90, 35] Operation: 56-21=35 Exploring Operation: 90+21=111, Resulting Numbers: [56, 111] Generated Node #0,4,3: 55:[56, 111] Operation: 90+21=111 Exploring Operation: 21+56=77, Resulting Numbers: [90, 77] Generated Node #0,4,4: 55:[90, 77] Operation: 21+56=77 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 55:[56, 69], Operations: ['75-19=56', '90-21=69'] Exploring Operation: 56+69=125, Resulting Numbers: [125] 125,55 unequal: No Solution Exploring Operation: 69-56=13, Resulting Numbers: [13] 13,55 unequal: No Solution Exploring Operation: 56*69=3864, Resulting Numbers: [3864] 3864,55 unequal: No Solution No 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: 55:[21, 34], Operations: ['75-19=56', '90-56=34'] Exploring Operation: 21*34=714, Resulting Numbers: [714] 714,55 unequal: No Solution Exploring Operation: 34-21=13, Resulting Numbers: [13] 13,55 unequal: No Solution Exploring Operation: 21+34=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[90, 75, 21, 19], Operations: [] Exploring Operation: 75-19=56, Resulting Numbers: [90, 21, 56] Generated Node #0,4: 55:[90, 21, 56] Operation: 75-19=56 Moving to Node #0,4 Current State: 55:[90, 21, 56], Operations: ['75-19=56'] Exploring Operation: 90-56=34, Resulting Numbers: [21, 34] Generated Node #0,4,0: 55:[21, 34] Operation: 90-56=34 Moving to Node #0,4,0 Current State: 55:[21, 34], Operations: ['75-19=56', '90-56=34'] Exploring Operation: 21+34=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.952257
hs_5
sum_heuristic
[ 9, 90, 4, 6 ]
71
[ "90-9=81", "4+6=10", "81-10=71" ]
Current State: 71:[9, 90, 4, 6], Operations: [] Exploring Operation: 90-9=81, Resulting Numbers: [4, 6, 81] Generated Node #2: [4, 6, 81] from Operation: 90-9=81 Current State: 71:[4, 6, 81], Operations: ['90-9=81'] Exploring Operation: 4+6=10, Resulting Numbers: [81, 10] Generated Node #3: [81, 10] from Operation: 4+6=10 Current State: 71:[81, 10], Operations: ['90-9=81', '4+6=10'] Exploring Operation: 81-10=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[9, 90, 4, 6], Operations: [] Exploring Operation: 9*6=54, Resulting Numbers: [90, 4, 54] Generated Node #0,0: 71:[90, 4, 54] Operation: 9*6=54 Exploring Operation: 4*6=24, Resulting Numbers: [9, 90, 24] Generated Node #0,1: 71:[9, 90, 24] Operation: 4*6=24 Exploring Operation: 90-9=81, Resulting Numbers: [4, 6, 81] Generated Node #0,2: 71:[4, 6, 81] Operation: 90-9=81 Exploring Operation: 9*4=36, Resulting Numbers: [90, 6, 36] Generated Node #0,3: 71:[90, 6, 36] Operation: 9*4=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[90, 4, 54], Operations: ['9*6=54'] Exploring Operation: 90-4=86, Resulting Numbers: [54, 86] Generated Node #0,0,0: 71:[54, 86] Operation: 90-4=86 Exploring Operation: 4+54=58, Resulting Numbers: [90, 58] Generated Node #0,0,1: 71:[90, 58] Operation: 4+54=58 Exploring Operation: 54-4=50, Resulting Numbers: [90, 50] Generated Node #0,0,2: 71:[90, 50] Operation: 54-4=50 Exploring Operation: 90+4=94, Resulting Numbers: [54, 94] Generated Node #0,0,3: 71:[54, 94] Operation: 90+4=94 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 71:[54, 86], Operations: ['9*6=54', '90-4=86'] Exploring Operation: 86-54=32, Resulting Numbers: [32] 32,71 unequal: No Solution Exploring Operation: 54*86=4644, Resulting Numbers: [4644] 4644,71 unequal: No Solution Exploring Operation: 54+86=140, Resulting Numbers: [140] 140,71 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 #0,0,1 Current State: 71:[90, 58], Operations: ['9*6=54', '4+54=58'] Exploring Operation: 90+58=148, Resulting Numbers: [148] 148,71 unequal: No Solution Exploring Operation: 90*58=5220, Resulting Numbers: [5220] 5220,71 unequal: No Solution Exploring Operation: 90-58=32, Resulting Numbers: [32] 32,71 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 #0,0,2 Current State: 71:[90, 50], Operations: ['9*6=54', '54-4=50'] Exploring Operation: 90-50=40, Resulting Numbers: [40] 40,71 unequal: No Solution Exploring Operation: 90*50=4500, Resulting Numbers: [4500] 4500,71 unequal: No Solution Exploring Operation: 90+50=140, Resulting Numbers: [140] 140,71 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 #0,0,3 Current State: 71:[54, 94], Operations: ['9*6=54', '90+4=94'] Exploring Operation: 94-54=40, Resulting Numbers: [40] 40,71 unequal: No Solution Exploring Operation: 54*94=5076, Resulting Numbers: [5076] 5076,71 unequal: No Solution Exploring Operation: 54+94=148, Resulting Numbers: [148] 148,71 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 #0,3 Current State: 71:[90, 6, 36], Operations: ['9*4=36'] Exploring Operation: 90+6=96, Resulting Numbers: [36, 96] Generated Node #0,3,0: 71:[36, 96] Operation: 90+6=96 Exploring Operation: 90-6=84, Resulting Numbers: [36, 84] Generated Node #0,3,1: 71:[36, 84] Operation: 90-6=84 Exploring Operation: 6+36=42, Resulting Numbers: [90, 42] Generated Node #0,3,2: 71:[90, 42] Operation: 6+36=42 Exploring Operation: 36-6=30, Resulting Numbers: [90, 30] Generated Node #0,3,3: 71:[90, 30] Operation: 36-6=30 Moving to Node #0,3,1 Current State: 71:[36, 84], Operations: ['9*4=36', '90-6=84'] Exploring Operation: 36+84=120, Resulting Numbers: [120] 120,71 unequal: No Solution Exploring Operation: 84-36=48, Resulting Numbers: [48] 48,71 unequal: No Solution Exploring Operation: 36*84=3024, Resulting Numbers: [3024] 3024,71 unequal: No Solution Moving to Node #0,3,2 Current State: 71:[90, 42], Operations: ['9*4=36', '6+36=42'] Exploring Operation: 90+42=132, Resulting Numbers: [132] 132,71 unequal: No Solution Exploring Operation: 90*42=3780, Resulting Numbers: [3780] 3780,71 unequal: No Solution Exploring Operation: 90-42=48, Resulting Numbers: [48] 48,71 unequal: No Solution Moving to Node #0,3,3 Current State: 71:[90, 30], Operations: ['9*4=36', '36-6=30'] Exploring Operation: 90*30=2700, Resulting Numbers: [2700] 2700,71 unequal: No Solution Exploring Operation: 90-30=60, Resulting Numbers: [60] 60,71 unequal: No Solution Exploring Operation: 90/30=3, Resulting Numbers: [3] 3,71 unequal: No Solution Exploring Operation: 90+30=120, Resulting Numbers: [120] 120,71 unequal: No Solution Moving to Node #0,3,0 Current State: 71:[36, 96], Operations: ['9*4=36', '90+6=96'] Exploring Operation: 96-36=60, Resulting Numbers: [60] 60,71 unequal: No Solution Exploring Operation: 36*96=3456, Resulting Numbers: [3456] 3456,71 unequal: No Solution Exploring Operation: 36+96=132, Resulting Numbers: [132] 132,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 71:[9, 90, 24], Operations: ['4*6=24'] Exploring Operation: 90-24=66, Resulting Numbers: [9, 66] Generated Node #0,1,0: 71:[9, 66] Operation: 90-24=66 Exploring Operation: 9+90=99, Resulting Numbers: [24, 99] Generated Node #0,1,1: 71:[24, 99] Operation: 9+90=99 Exploring Operation: 90-9=81, Resulting Numbers: [24, 81] Generated Node #0,1,2: 71:[24, 81] Operation: 90-9=81 Exploring Operation: 9+24=33, Resulting Numbers: [90, 33] Generated Node #0,1,3: 71:[90, 33] Operation: 9+24=33 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 71:[24, 81], Operations: ['4*6=24', '90-9=81'] Exploring Operation: 24+81=105, Resulting Numbers: [105] 105,71 unequal: No Solution Exploring Operation: 24*81=1944, Resulting Numbers: [1944] 1944,71 unequal: No Solution Exploring Operation: 81-24=57, Resulting Numbers: [57] 57,71 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 #0,1,3 Current State: 71:[90, 33], Operations: ['4*6=24', '9+24=33'] Exploring Operation: 90-33=57, Resulting Numbers: [57] 57,71 unequal: No Solution Exploring Operation: 90+33=123, Resulting Numbers: [123] 123,71 unequal: No Solution Exploring Operation: 90*33=2970, Resulting Numbers: [2970] 2970,71 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 #0,1,0 Current State: 71:[9, 66], Operations: ['4*6=24', '90-24=66'] Exploring Operation: 9+66=75, Resulting Numbers: [75] 75,71 unequal: No Solution Exploring Operation: 9*66=594, Resulting Numbers: [594] 594,71 unequal: No Solution Exploring Operation: 66-9=57, Resulting Numbers: [57] 57,71 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 #0,1,1 Current State: 71:[24, 99], Operations: ['4*6=24', '9+90=99'] Exploring Operation: 24+99=123, Resulting Numbers: [123] 123,71 unequal: No Solution Exploring Operation: 24*99=2376, Resulting Numbers: [2376] 2376,71 unequal: No Solution Exploring Operation: 99-24=75, Resulting Numbers: [75] 75,71 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 #0,2 Current State: 71:[4, 6, 81], Operations: ['90-9=81'] Exploring Operation: 81-4=77, Resulting Numbers: [6, 77] Generated Node #0,2,0: 71:[6, 77] Operation: 81-4=77 Exploring Operation: 81-6=75, Resulting Numbers: [4, 75] Generated Node #0,2,1: 71:[4, 75] Operation: 81-6=75 Exploring Operation: 4+6=10, Resulting Numbers: [81, 10] Generated Node #0,2,2: 71:[81, 10] Operation: 4+6=10 Exploring Operation: 4*6=24, Resulting Numbers: [81, 24] Generated Node #0,2,3: 71:[81, 24] Operation: 4*6=24 Moving to Node #0,2,3 Current State: 71:[81, 24], Operations: ['90-9=81', '4*6=24'] Exploring Operation: 81-24=57, Resulting Numbers: [57] 57,71 unequal: No Solution Exploring Operation: 81*24=1944, Resulting Numbers: [1944] 1944,71 unequal: No Solution Exploring Operation: 81+24=105, Resulting Numbers: [105] 105,71 unequal: No Solution Moving to Node #0,2,1 Current State: 71:[4, 75], Operations: ['90-9=81', '81-6=75'] Exploring Operation: 4*75=300, Resulting Numbers: [300] 300,71 unequal: No Solution Exploring Operation: 75-4=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[9, 90, 4, 6], Operations: [] Exploring Operation: 90-9=81, Resulting Numbers: [4, 6, 81] Generated Node #0,2: 71:[4, 6, 81] Operation: 90-9=81 Moving to Node #0,2 Current State: 71:[4, 6, 81], Operations: ['90-9=81'] Exploring Operation: 81-6=75, Resulting Numbers: [4, 75] Generated Node #0,2,1: 71:[4, 75] Operation: 81-6=75 Moving to Node #0,2,1 Current State: 71:[4, 75], Operations: ['90-9=81', '81-6=75'] Exploring Operation: 75-4=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 1
0.942708
hs_4
mult_heuristic
[ 75, 5, 84, 75 ]
14
[ "75/75=1", "5+1=6", "84/6=14" ]
Current State: 14:[75, 5, 84, 75], Operations: [] Exploring Operation: 75/75=1, Resulting Numbers: [5, 84, 1] Generated Node #2: [5, 84, 1] from Operation: 75/75=1 Current State: 14:[5, 84, 1], Operations: ['75/75=1'] Exploring Operation: 5+1=6, Resulting Numbers: [84, 6] Generated Node #3: [84, 6] from Operation: 5+1=6 Current State: 14:[84, 6], Operations: ['75/75=1', '5+1=6'] Exploring Operation: 84/6=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[75, 5, 84, 75], Operations: [] Exploring Operation: 75-75=0, Resulting Numbers: [5, 84, 0] Generated Node #0,0: 14:[5, 84, 0] Operation: 75-75=0 Exploring Operation: 75/75=1, Resulting Numbers: [5, 84, 1] Generated Node #0,1: 14:[5, 84, 1] Operation: 75/75=1 Exploring Operation: 84-75=9, Resulting Numbers: [5, 75, 9] Generated Node #0,2: 14:[5, 75, 9] Operation: 84-75=9 Exploring Operation: 84-75=9, Resulting Numbers: [75, 5, 9] Generated Node #0,3: 14:[75, 5, 9] Operation: 84-75=9 Start Sub Search at level 1: Moving to Node #0,2 Current State: 14:[5, 75, 9], Operations: ['84-75=9'] Exploring Operation: 5+9=14, Resulting Numbers: [75, 14] Generated Node #0,2,0: 14:[75, 14] Operation: 5+9=14 Exploring Operation: 75-9=66, Resulting Numbers: [5, 66] Generated Node #0,2,1: 14:[5, 66] Operation: 75-9=66 Exploring Operation: 75/5=15, Resulting Numbers: [9, 15] Generated Node #0,2,2: 14:[9, 15] Operation: 75/5=15 Exploring Operation: 75-5=70, Resulting Numbers: [9, 70] Generated Node #0,2,3: 14:[9, 70] Operation: 75-5=70 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 14:[9, 15], Operations: ['84-75=9', '75/5=15'] Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,14 unequal: No Solution Exploring Operation: 9*15=135, Resulting Numbers: [135] 135,14 unequal: No Solution Exploring Operation: 9+15=24, Resulting Numbers: [24] 24,14 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:[5, 66], Operations: ['84-75=9', '75-9=66'] Exploring Operation: 5+66=71, Resulting Numbers: [71] 71,14 unequal: No Solution Exploring Operation: 66-5=61, Resulting Numbers: [61] 61,14 unequal: No Solution Exploring Operation: 5*66=330, Resulting Numbers: [330] 330,14 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:[9, 70], Operations: ['84-75=9', '75-5=70'] Exploring Operation: 9*70=630, Resulting Numbers: [630] 630,14 unequal: No Solution Exploring Operation: 70-9=61, Resulting Numbers: [61] 61,14 unequal: No Solution Exploring Operation: 9+70=79, Resulting Numbers: [79] 79,14 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:[75, 14], Operations: ['84-75=9', '5+9=14'] Exploring Operation: 75-14=61, Resulting Numbers: [61] 61,14 unequal: No Solution Exploring Operation: 75+14=89, Resulting Numbers: [89] 89,14 unequal: No Solution Exploring Operation: 75*14=1050, Resulting Numbers: [1050] 1050,14 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:[75, 5, 9], Operations: ['84-75=9'] Exploring Operation: 75-9=66, Resulting Numbers: [5, 66] Generated Node #0,3,0: 14:[5, 66] Operation: 75-9=66 Exploring Operation: 5+9=14, Resulting Numbers: [75, 14] Generated Node #0,3,1: 14:[75, 14] Operation: 5+9=14 Exploring Operation: 75/5=15, Resulting Numbers: [9, 15] Generated Node #0,3,2: 14:[9, 15] Operation: 75/5=15 Exploring Operation: 75-5=70, Resulting Numbers: [9, 70] Generated Node #0,3,3: 14:[9, 70] Operation: 75-5=70 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 14:[9, 15], Operations: ['84-75=9', '75/5=15'] Exploring Operation: 9+15=24, Resulting Numbers: [24] 24,14 unequal: No Solution Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,14 unequal: No Solution Exploring Operation: 9*15=135, Resulting Numbers: [135] 135,14 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:[5, 66], Operations: ['84-75=9', '75-9=66'] Exploring Operation: 5*66=330, Resulting Numbers: [330] 330,14 unequal: No Solution Exploring Operation: 5+66=71, Resulting Numbers: [71] 71,14 unequal: No Solution Exploring Operation: 66-5=61, Resulting Numbers: [61] 61,14 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:[9, 70], Operations: ['84-75=9', '75-5=70'] Exploring Operation: 9+70=79, Resulting Numbers: [79] 79,14 unequal: No Solution Exploring Operation: 70-9=61, Resulting Numbers: [61] 61,14 unequal: No Solution Exploring Operation: 9*70=630, Resulting Numbers: [630] 630,14 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 #0,3,1 Current State: 14:[75, 14], Operations: ['84-75=9', '5+9=14'] Exploring Operation: 75-14=61, Resulting Numbers: [61] 61,14 unequal: No Solution Exploring Operation: 75*14=1050, Resulting Numbers: [1050] 1050,14 unequal: No Solution Exploring Operation: 75+14=89, Resulting Numbers: [89] 89,14 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 #0,1 Current State: 14:[5, 84, 1], Operations: ['75/75=1'] Exploring Operation: 5+1=6, Resulting Numbers: [84, 6] Generated Node #0,1,0: 14:[84, 6] Operation: 5+1=6 Exploring Operation: 84-5=79, Resulting Numbers: [1, 79] Generated Node #0,1,1: 14:[1, 79] Operation: 84-5=79 Exploring Operation: 5*1=5, Resulting Numbers: [84, 5] Generated Node #0,1,2: 14:[84, 5] Operation: 5*1=5 Exploring Operation: 84-1=83, Resulting Numbers: [5, 83] Generated Node #0,1,3: 14:[5, 83] Operation: 84-1=83 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 14:[1, 79], Operations: ['75/75=1', '84-5=79'] Exploring Operation: 79/1=79, Resulting Numbers: [79] 79,14 unequal: No Solution Exploring Operation: 1*79=79, Resulting Numbers: [79] 79,14 unequal: No Solution Exploring Operation: 1+79=80, Resulting Numbers: [80] 80,14 unequal: No Solution Exploring Operation: 79-1=78, Resulting Numbers: [78] 78,14 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 #0,1,0 Current State: 14:[84, 6], Operations: ['75/75=1', '5+1=6'] Exploring Operation: 84/6=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[75, 5, 84, 75], Operations: [] Exploring Operation: 75/75=1, Resulting Numbers: [5, 84, 1] Generated Node #0,1: 14:[5, 84, 1] Operation: 75/75=1 Moving to Node #0,1 Current State: 14:[5, 84, 1], Operations: ['75/75=1'] Exploring Operation: 5+1=6, Resulting Numbers: [84, 6] Generated Node #0,1,0: 14:[84, 6] Operation: 5+1=6 Moving to Node #0,1,0 Current State: 14:[84, 6], Operations: ['75/75=1', '5+1=6'] Exploring Operation: 84/6=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.957465
hs_4
sum_heuristic
[ 84, 85, 81, 78 ]
93
[ "85-78=7", "84/7=12", "81+12=93" ]
Current State: 93:[84, 85, 81, 78], Operations: [] Exploring Operation: 85-78=7, Resulting Numbers: [84, 81, 7] Generated Node #2: [84, 81, 7] from Operation: 85-78=7 Current State: 93:[84, 81, 7], Operations: ['85-78=7'] Exploring Operation: 84/7=12, Resulting Numbers: [81, 12] Generated Node #3: [81, 12] from Operation: 84/7=12 Current State: 93:[81, 12], Operations: ['85-78=7', '84/7=12'] Exploring Operation: 81+12=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[84, 85, 81, 78], Operations: [] Exploring Operation: 84-78=6, Resulting Numbers: [85, 81, 6] Generated Node #0,0: 93:[85, 81, 6] Operation: 84-78=6 Exploring Operation: 81-78=3, Resulting Numbers: [84, 85, 3] Generated Node #0,1: 93:[84, 85, 3] Operation: 81-78=3 Exploring Operation: 84-81=3, Resulting Numbers: [85, 78, 3] Generated Node #0,2: 93:[85, 78, 3] Operation: 84-81=3 Moving to Node #0,1 Current State: 93:[84, 85, 3], Operations: ['81-78=3'] Exploring Operation: 84/3=28, Resulting Numbers: [85, 28] Generated Node #0,1,0: 93:[85, 28] Operation: 84/3=28 Exploring Operation: 84+3=87, Resulting Numbers: [85, 87] Generated Node #0,1,1: 93:[85, 87] Operation: 84+3=87 Exploring Operation: 85-84=1, Resulting Numbers: [3, 1] Generated Node #0,1,2: 93:[3, 1] Operation: 85-84=1 Moving to Node #0,0 Current State: 93:[85, 81, 6], Operations: ['84-78=6'] Exploring Operation: 85-81=4, Resulting Numbers: [6, 4] Generated Node #0,0,0: 93:[6, 4] Operation: 85-81=4 Exploring Operation: 81+6=87, Resulting Numbers: [85, 87] Generated Node #0,0,1: 93:[85, 87] Operation: 81+6=87 Exploring Operation: 85+6=91, Resulting Numbers: [81, 91] Generated Node #0,0,2: 93:[81, 91] Operation: 85+6=91 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 93:[6, 4], Operations: ['84-78=6', '85-81=4'] Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,93 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,93 unequal: No Solution Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,93 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 #0,0,1 Current State: 93:[85, 87], Operations: ['84-78=6', '81+6=87'] Exploring Operation: 87-85=2, Resulting Numbers: [2] 2,93 unequal: No Solution Exploring Operation: 85*87=7395, Resulting Numbers: [7395] 7395,93 unequal: No Solution Exploring Operation: 85+87=172, Resulting Numbers: [172] 172,93 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 #0,0,2 Current State: 93:[81, 91], Operations: ['84-78=6', '85+6=91'] Exploring Operation: 91-81=10, Resulting Numbers: [10] 10,93 unequal: No Solution Exploring Operation: 81+91=172, Resulting Numbers: [172] 172,93 unequal: No Solution Exploring Operation: 81*91=7371, Resulting Numbers: [7371] 7371,93 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: 93:[85, 78, 3], Operations: ['84-81=3'] Exploring Operation: 85-78=7, Resulting Numbers: [3, 7] Generated Node #0,2,0: 93:[3, 7] Operation: 85-78=7 Exploring Operation: 85+3=88, Resulting Numbers: [78, 88] Generated Node #0,2,1: 93:[78, 88] Operation: 85+3=88 Exploring Operation: 78/3=26, Resulting Numbers: [85, 26] Generated Node #0,2,2: 93:[85, 26] Operation: 78/3=26 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 93:[3, 7], Operations: ['84-81=3', '85-78=7'] Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,93 unequal: No Solution Exploring Operation: 3+7=10, Resulting Numbers: [10] 10,93 unequal: No Solution Exploring Operation: 3*7=21, Resulting Numbers: [21] 21,93 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 #0,2,2 Current State: 93:[85, 26], Operations: ['84-81=3', '78/3=26'] Exploring Operation: 85+26=111, Resulting Numbers: [111] 111,93 unequal: No Solution Exploring Operation: 85-26=59, Resulting Numbers: [59] 59,93 unequal: No Solution Exploring Operation: 85*26=2210, Resulting Numbers: [2210] 2210,93 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 #0,2,1 Current State: 93:[78, 88], Operations: ['84-81=3', '85+3=88'] Exploring Operation: 78*88=6864, Resulting Numbers: [6864] 6864,93 unequal: No Solution Exploring Operation: 78+88=166, Resulting Numbers: [166] 166,93 unequal: No Solution Exploring Operation: 88-78=10, Resulting Numbers: [10] 10,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,2 Current State: 93:[3, 1], Operations: ['81-78=3', '85-84=1'] Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,93 unequal: No Solution Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,93 unequal: No Solution Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,93 unequal: No Solution Moving to Node #0,1,0 Current State: 93:[85, 28], Operations: ['81-78=3', '84/3=28'] Exploring Operation: 85*28=2380, Resulting Numbers: [2380] 2380,93 unequal: No Solution Exploring Operation: 85-28=57, Resulting Numbers: [57] 57,93 unequal: No Solution Exploring Operation: 85+28=113, Resulting Numbers: [113] 113,93 unequal: No Solution Moving to Node #0,1,1 Current State: 93:[85, 87], Operations: ['81-78=3', '84+3=87'] Exploring Operation: 85+87=172, Resulting Numbers: [172] 172,93 unequal: No Solution Exploring Operation: 87-85=2, Resulting Numbers: [2] 2,93 unequal: No Solution Exploring Operation: 85*87=7395, Resulting Numbers: [7395] 7395,93 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 55, 97, 44, 38 ]
40
[ "55+97=152", "152/38=4", "44-4=40" ]
Current State: 40:[55, 97, 44, 38], Operations: [] Exploring Operation: 55+97=152, Resulting Numbers: [44, 38, 152] Generated Node #2: [44, 38, 152] from Operation: 55+97=152 Current State: 40:[44, 38, 152], Operations: ['55+97=152'] Exploring Operation: 152/38=4, Resulting Numbers: [44, 4] Generated Node #3: [44, 4] from Operation: 152/38=4 Current State: 40:[44, 4], Operations: ['55+97=152', '152/38=4'] Exploring Operation: 44-4=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[55, 97, 44, 38], Operations: [] Exploring Operation: 55-44=11, Resulting Numbers: [97, 38, 11] Generated Node #0,0: 40:[97, 38, 11] Operation: 55-44=11 Exploring Operation: 97-44=53, Resulting Numbers: [55, 38, 53] Generated Node #0,1: 40:[55, 38, 53] Operation: 97-44=53 Exploring Operation: 97-38=59, Resulting Numbers: [55, 44, 59] Generated Node #0,2: 40:[55, 44, 59] Operation: 97-38=59 Exploring Operation: 55-38=17, Resulting Numbers: [97, 44, 17] Generated Node #0,3: 40:[97, 44, 17] Operation: 55-38=17 Exploring Operation: 97-55=42, Resulting Numbers: [44, 38, 42] Generated Node #0,4: 40:[44, 38, 42] Operation: 97-55=42 Moving to Node #0,4 Current State: 40:[44, 38, 42], Operations: ['97-55=42'] Exploring Operation: 42-38=4, Resulting Numbers: [44, 4] Generated Node #0,4,0: 40:[44, 4] Operation: 42-38=4 Exploring Operation: 38+42=80, Resulting Numbers: [44, 80] Generated Node #0,4,1: 40:[44, 80] Operation: 38+42=80 Exploring Operation: 44+38=82, Resulting Numbers: [42, 82] Generated Node #0,4,2: 40:[42, 82] Operation: 44+38=82 Exploring Operation: 44-42=2, Resulting Numbers: [38, 2] Generated Node #0,4,3: 40:[38, 2] Operation: 44-42=2 Exploring Operation: 44-38=6, Resulting Numbers: [42, 6] Generated Node #0,4,4: 40:[42, 6] Operation: 44-38=6 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 40:[38, 2], Operations: ['97-55=42', '44-42=2'] Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,40 unequal: No Solution Exploring Operation: 38+2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[55, 97, 44, 38], Operations: [] Exploring Operation: 97-55=42, Resulting Numbers: [44, 38, 42] Generated Node #0,4: 40:[44, 38, 42] Operation: 97-55=42 Moving to Node #0,4 Current State: 40:[44, 38, 42], Operations: ['97-55=42'] Exploring Operation: 44-42=2, Resulting Numbers: [38, 2] Generated Node #0,4,3: 40:[38, 2] Operation: 44-42=2 Moving to Node #0,4,3 Current State: 40:[38, 2], Operations: ['97-55=42', '44-42=2'] Exploring Operation: 38+2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 77, 46, 5, 42 ]
57
[ "46-42=4", "5*4=20", "77-20=57" ]
Current State: 57:[77, 46, 5, 42], Operations: [] Exploring Operation: 46-42=4, Resulting Numbers: [77, 5, 4] Generated Node #2: [77, 5, 4] from Operation: 46-42=4 Current State: 57:[77, 5, 4], Operations: ['46-42=4'] Exploring Operation: 5*4=20, Resulting Numbers: [77, 20] Generated Node #3: [77, 20] from Operation: 5*4=20 Current State: 57:[77, 20], Operations: ['46-42=4', '5*4=20'] Exploring Operation: 77-20=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[77, 46, 5, 42], Operations: [] Exploring Operation: 77-5=72, Resulting Numbers: [46, 42, 72] Generated Node #0,0: 57:[46, 42, 72] Operation: 77-5=72 Exploring Operation: 77-42=35, Resulting Numbers: [46, 5, 35] Generated Node #0,1: 57:[46, 5, 35] Operation: 77-42=35 Exploring Operation: 77-46=31, Resulting Numbers: [5, 42, 31] Generated Node #0,2: 57:[5, 42, 31] Operation: 77-46=31 Exploring Operation: 46-42=4, Resulting Numbers: [77, 5, 4] Generated Node #0,3: 57:[77, 5, 4] Operation: 46-42=4 Moving to Node #0,3 Current State: 57:[77, 5, 4], Operations: ['46-42=4'] Exploring Operation: 77-5=72, Resulting Numbers: [4, 72] Generated Node #0,3,0: 57:[4, 72] Operation: 77-5=72 Exploring Operation: 5-4=1, Resulting Numbers: [77, 1] Generated Node #0,3,1: 57:[77, 1] Operation: 5-4=1 Exploring Operation: 77-4=73, Resulting Numbers: [5, 73] Generated Node #0,3,2: 57:[5, 73] Operation: 77-4=73 Exploring Operation: 5*4=20, Resulting Numbers: [77, 20] Generated Node #0,3,3: 57:[77, 20] Operation: 5*4=20 Moving to Node #0,2 Current State: 57:[5, 42, 31], Operations: ['77-46=31'] Exploring Operation: 5+42=47, Resulting Numbers: [31, 47] Generated Node #0,2,0: 57:[31, 47] Operation: 5+42=47 Exploring Operation: 42+31=73, Resulting Numbers: [5, 73] Generated Node #0,2,1: 57:[5, 73] Operation: 42+31=73 Exploring Operation: 31-5=26, Resulting Numbers: [42, 26] Generated Node #0,2,2: 57:[42, 26] Operation: 31-5=26 Exploring Operation: 42-31=11, Resulting Numbers: [5, 11] Generated Node #0,2,3: 57:[5, 11] Operation: 42-31=11 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 57:[5, 11], Operations: ['77-46=31', '42-31=11'] Exploring Operation: 5+11=16, Resulting Numbers: [16] 16,57 unequal: No Solution Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,57 unequal: No Solution Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,57 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:[5, 73], Operations: ['77-46=31', '42+31=73'] Exploring Operation: 73-5=68, Resulting Numbers: [68] 68,57 unequal: No Solution Exploring Operation: 5*73=365, Resulting Numbers: [365] 365,57 unequal: No Solution Exploring Operation: 5+73=78, Resulting Numbers: [78] 78,57 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:[31, 47], Operations: ['77-46=31', '5+42=47'] Exploring Operation: 31+47=78, Resulting Numbers: [78] 78,57 unequal: No Solution Exploring Operation: 31*47=1457, Resulting Numbers: [1457] 1457,57 unequal: No Solution Exploring Operation: 47-31=16, Resulting Numbers: [16] 16,57 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:[42, 26], Operations: ['77-46=31', '31-5=26'] Exploring Operation: 42*26=1092, Resulting Numbers: [1092] 1092,57 unequal: No Solution Exploring Operation: 42-26=16, Resulting Numbers: [16] 16,57 unequal: No Solution Exploring Operation: 42+26=68, Resulting Numbers: [68] 68,57 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:[46, 5, 35], Operations: ['77-42=35'] Exploring Operation: 35-5=30, Resulting Numbers: [46, 30] Generated Node #0,1,0: 57:[46, 30] Operation: 35-5=30 Exploring Operation: 35/5=7, Resulting Numbers: [46, 7] Generated Node #0,1,1: 57:[46, 7] Operation: 35/5=7 Exploring Operation: 46+5=51, Resulting Numbers: [35, 51] Generated Node #0,1,2: 57:[35, 51] Operation: 46+5=51 Exploring Operation: 46-35=11, Resulting Numbers: [5, 11] Generated Node #0,1,3: 57:[5, 11] Operation: 46-35=11 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 57:[5, 11], Operations: ['77-42=35', '46-35=11'] Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,57 unequal: No Solution Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,57 unequal: No Solution Exploring Operation: 5+11=16, Resulting Numbers: [16] 16,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 57:[46, 7], Operations: ['77-42=35', '35/5=7'] Exploring Operation: 46*7=322, Resulting Numbers: [322] 322,57 unequal: No Solution Exploring Operation: 46+7=53, Resulting Numbers: [53] 53,57 unequal: No Solution Exploring Operation: 46-7=39, Resulting Numbers: [39] 39,57 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:[46, 30], Operations: ['77-42=35', '35-5=30'] Exploring Operation: 46+30=76, Resulting Numbers: [76] 76,57 unequal: No Solution Exploring Operation: 46-30=16, Resulting Numbers: [16] 16,57 unequal: No Solution Exploring Operation: 46*30=1380, Resulting Numbers: [1380] 1380,57 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:[35, 51], Operations: ['77-42=35', '46+5=51'] Exploring Operation: 35*51=1785, Resulting Numbers: [1785] 1785,57 unequal: No Solution Exploring Operation: 51-35=16, Resulting Numbers: [16] 16,57 unequal: No Solution Exploring Operation: 35+51=86, Resulting Numbers: [86] 86,57 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: 57:[46, 42, 72], Operations: ['77-5=72'] Exploring Operation: 46-42=4, Resulting Numbers: [72, 4] Generated Node #0,0,0: 57:[72, 4] Operation: 46-42=4 Exploring Operation: 72-42=30, Resulting Numbers: [46, 30] Generated Node #0,0,1: 57:[46, 30] Operation: 72-42=30 Exploring Operation: 72-46=26, Resulting Numbers: [42, 26] Generated Node #0,0,2: 57:[42, 26] Operation: 72-46=26 Exploring Operation: 46+42=88, Resulting Numbers: [72, 88] Generated Node #0,0,3: 57:[72, 88] Operation: 46+42=88 Moving to Node #0,3,0 Current State: 57:[4, 72], Operations: ['46-42=4', '77-5=72'] Exploring Operation: 4*72=288, Resulting Numbers: [288] 288,57 unequal: No Solution Exploring Operation: 4+72=76, Resulting Numbers: [76] 76,57 unequal: No Solution Exploring Operation: 72/4=18, Resulting Numbers: [18] 18,57 unequal: No Solution Exploring Operation: 72-4=68, Resulting Numbers: [68] 68,57 unequal: No Solution Moving to Node #0,0,0 Current State: 57:[72, 4], Operations: ['77-5=72', '46-42=4'] Exploring Operation: 72+4=76, Resulting Numbers: [76] 76,57 unequal: No Solution Exploring Operation: 72-4=68, Resulting Numbers: [68] 68,57 unequal: No Solution Exploring Operation: 72/4=18, Resulting Numbers: [18] 18,57 unequal: No Solution Exploring Operation: 72*4=288, Resulting Numbers: [288] 288,57 unequal: No Solution Moving to Node #0,3,2 Current State: 57:[5, 73], Operations: ['46-42=4', '77-4=73'] Exploring Operation: 73-5=68, Resulting Numbers: [68] 68,57 unequal: No Solution Exploring Operation: 5*73=365, Resulting Numbers: [365] 365,57 unequal: No Solution Exploring Operation: 5+73=78, Resulting Numbers: [78] 78,57 unequal: No Solution Moving to Node #0,3,3 Current State: 57:[77, 20], Operations: ['46-42=4', '5*4=20'] Exploring Operation: 77*20=1540, Resulting Numbers: [1540] 1540,57 unequal: No Solution Exploring Operation: 77-20=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[77, 46, 5, 42], Operations: [] Exploring Operation: 46-42=4, Resulting Numbers: [77, 5, 4] Generated Node #0,3: 57:[77, 5, 4] Operation: 46-42=4 Moving to Node #0,3 Current State: 57:[77, 5, 4], Operations: ['46-42=4'] Exploring Operation: 5*4=20, Resulting Numbers: [77, 20] Generated Node #0,3,3: 57:[77, 20] Operation: 5*4=20 Moving to Node #0,3,3 Current State: 57:[77, 20], Operations: ['46-42=4', '5*4=20'] Exploring Operation: 77-20=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
0.947049
hs_4
mult_heuristic
[ 83, 88, 90, 57 ]
75
[ "88-83=5", "90/5=18", "57+18=75" ]
Current State: 75:[83, 88, 90, 57], Operations: [] Exploring Operation: 88-83=5, Resulting Numbers: [90, 57, 5] Generated Node #2: [90, 57, 5] from Operation: 88-83=5 Current State: 75:[90, 57, 5], Operations: ['88-83=5'] Exploring Operation: 90/5=18, Resulting Numbers: [57, 18] Generated Node #3: [57, 18] from Operation: 90/5=18 Current State: 75:[57, 18], Operations: ['88-83=5', '90/5=18'] Exploring Operation: 57+18=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[83, 88, 90, 57], Operations: [] Exploring Operation: 90-88=2, Resulting Numbers: [83, 57, 2] Generated Node #0,0: 75:[83, 57, 2] Operation: 90-88=2 Exploring Operation: 88-83=5, Resulting Numbers: [90, 57, 5] Generated Node #0,1: 75:[90, 57, 5] Operation: 88-83=5 Exploring Operation: 83-57=26, Resulting Numbers: [88, 90, 26] Generated Node #0,2: 75:[88, 90, 26] Operation: 83-57=26 Exploring Operation: 88-57=31, Resulting Numbers: [83, 90, 31] Generated Node #0,3: 75:[83, 90, 31] Operation: 88-57=31 Exploring Operation: 90-57=33, Resulting Numbers: [83, 88, 33] Generated Node #0,4: 75:[83, 88, 33] Operation: 90-57=33 Moving to Node #0,0 Current State: 75:[83, 57, 2], Operations: ['90-88=2'] Exploring Operation: 83-2=81, Resulting Numbers: [57, 81] Generated Node #0,0,0: 75:[57, 81] Operation: 83-2=81 Exploring Operation: 83+2=85, Resulting Numbers: [57, 85] Generated Node #0,0,1: 75:[57, 85] Operation: 83+2=85 Exploring Operation: 83-57=26, Resulting Numbers: [2, 26] Generated Node #0,0,2: 75:[2, 26] Operation: 83-57=26 Exploring Operation: 57-2=55, Resulting Numbers: [83, 55] Generated Node #0,0,3: 75:[83, 55] Operation: 57-2=55 Exploring Operation: 57+2=59, Resulting Numbers: [83, 59] Generated Node #0,0,4: 75:[83, 59] Operation: 57+2=59 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 75:[2, 26], Operations: ['90-88=2', '83-57=26'] Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,75 unequal: No Solution Exploring Operation: 2*26=52, Resulting Numbers: [52] 52,75 unequal: No Solution Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,75 unequal: No Solution Exploring Operation: 2+26=28, Resulting Numbers: [28] 28,75 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:[57, 81], Operations: ['90-88=2', '83-2=81'] Exploring Operation: 57+81=138, Resulting Numbers: [138] 138,75 unequal: No Solution Exploring Operation: 81-57=24, Resulting Numbers: [24] 24,75 unequal: No Solution Exploring Operation: 57*81=4617, Resulting Numbers: [4617] 4617,75 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 #0,0,4 Current State: 75:[83, 59], Operations: ['90-88=2', '57+2=59'] Exploring Operation: 83-59=24, Resulting Numbers: [24] 24,75 unequal: No Solution Exploring Operation: 83*59=4897, Resulting Numbers: [4897] 4897,75 unequal: No Solution Exploring Operation: 83+59=142, Resulting Numbers: [142] 142,75 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:[57, 85], Operations: ['90-88=2', '83+2=85'] Exploring Operation: 57*85=4845, Resulting Numbers: [4845] 4845,75 unequal: No Solution Exploring Operation: 85-57=28, Resulting Numbers: [28] 28,75 unequal: No Solution Exploring Operation: 57+85=142, Resulting Numbers: [142] 142,75 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 #0,0,3 Current State: 75:[83, 55], Operations: ['90-88=2', '57-2=55'] Exploring Operation: 83-55=28, Resulting Numbers: [28] 28,75 unequal: No Solution Exploring Operation: 83+55=138, Resulting Numbers: [138] 138,75 unequal: No Solution Exploring Operation: 83*55=4565, Resulting Numbers: [4565] 4565,75 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: 75:[83, 90, 31], Operations: ['88-57=31'] Exploring Operation: 83-31=52, Resulting Numbers: [90, 52] Generated Node #0,3,0: 75:[90, 52] Operation: 83-31=52 Exploring Operation: 83+31=114, Resulting Numbers: [90, 114] Generated Node #0,3,1: 75:[90, 114] Operation: 83+31=114 Exploring Operation: 90+31=121, Resulting Numbers: [83, 121] Generated Node #0,3,2: 75:[83, 121] Operation: 90+31=121 Exploring Operation: 90-31=59, Resulting Numbers: [83, 59] Generated Node #0,3,3: 75:[83, 59] Operation: 90-31=59 Exploring Operation: 90-83=7, Resulting Numbers: [31, 7] Generated Node #0,3,4: 75:[31, 7] Operation: 90-83=7 Moving to Node #0,2 Current State: 75:[88, 90, 26], Operations: ['83-57=26'] Exploring Operation: 90+26=116, Resulting Numbers: [88, 116] Generated Node #0,2,0: 75:[88, 116] Operation: 90+26=116 Exploring Operation: 88+26=114, Resulting Numbers: [90, 114] Generated Node #0,2,1: 75:[90, 114] Operation: 88+26=114 Exploring Operation: 90-26=64, Resulting Numbers: [88, 64] Generated Node #0,2,2: 75:[88, 64] Operation: 90-26=64 Exploring Operation: 88-26=62, Resulting Numbers: [90, 62] Generated Node #0,2,3: 75:[90, 62] Operation: 88-26=62 Exploring Operation: 90-88=2, Resulting Numbers: [26, 2] Generated Node #0,2,4: 75:[26, 2] Operation: 90-88=2 Moving to Node #0,4 Current State: 75:[83, 88, 33], Operations: ['90-57=33'] Exploring Operation: 88+33=121, Resulting Numbers: [83, 121] Generated Node #0,4,0: 75:[83, 121] Operation: 88+33=121 Exploring Operation: 83-33=50, Resulting Numbers: [88, 50] Generated Node #0,4,1: 75:[88, 50] Operation: 83-33=50 Exploring Operation: 88-33=55, Resulting Numbers: [83, 55] Generated Node #0,4,2: 75:[83, 55] Operation: 88-33=55 Exploring Operation: 83+33=116, Resulting Numbers: [88, 116] Generated Node #0,4,3: 75:[88, 116] Operation: 83+33=116 Exploring Operation: 88-83=5, Resulting Numbers: [33, 5] Generated Node #0,4,4: 75:[33, 5] Operation: 88-83=5 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 75:[33, 5], Operations: ['90-57=33', '88-83=5'] Exploring Operation: 33+5=38, Resulting Numbers: [38] 38,75 unequal: No Solution Exploring Operation: 33*5=165, Resulting Numbers: [165] 165,75 unequal: No Solution Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,75 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 #0,4,2 Current State: 75:[83, 55], Operations: ['90-57=33', '88-33=55'] Exploring Operation: 83+55=138, Resulting Numbers: [138] 138,75 unequal: No Solution Exploring Operation: 83-55=28, Resulting Numbers: [28] 28,75 unequal: No Solution Exploring Operation: 83*55=4565, Resulting Numbers: [4565] 4565,75 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 #0,4,1 Current State: 75:[88, 50], Operations: ['90-57=33', '83-33=50'] Exploring Operation: 88*50=4400, Resulting Numbers: [4400] 4400,75 unequal: No Solution Exploring Operation: 88+50=138, Resulting Numbers: [138] 138,75 unequal: No Solution Exploring Operation: 88-50=38, Resulting Numbers: [38] 38,75 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 #0,4,0 Current State: 75:[83, 121], Operations: ['90-57=33', '88+33=121'] Exploring Operation: 83*121=10043, Resulting Numbers: [10043] 10043,75 unequal: No Solution Exploring Operation: 121-83=38, Resulting Numbers: [38] 38,75 unequal: No Solution Exploring Operation: 83+121=204, Resulting Numbers: [204] 204,75 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 #0,4,3 Current State: 75:[88, 116], Operations: ['90-57=33', '83+33=116'] Exploring Operation: 116-88=28, Resulting Numbers: [28] 28,75 unequal: No Solution Exploring Operation: 88+116=204, Resulting Numbers: [204] 204,75 unequal: No Solution Exploring Operation: 88*116=10208, Resulting Numbers: [10208] 10208,75 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:[90, 57, 5], Operations: ['88-83=5'] Exploring Operation: 57+5=62, Resulting Numbers: [90, 62] Generated Node #0,1,0: 75:[90, 62] Operation: 57+5=62 Exploring Operation: 90/5=18, Resulting Numbers: [57, 18] Generated Node #0,1,1: 75:[57, 18] Operation: 90/5=18 Exploring Operation: 90-57=33, Resulting Numbers: [5, 33] Generated Node #0,1,2: 75:[5, 33] Operation: 90-57=33 Exploring Operation: 90-5=85, Resulting Numbers: [57, 85] Generated Node #0,1,3: 75:[57, 85] Operation: 90-5=85 Exploring Operation: 90+5=95, Resulting Numbers: [57, 95] Generated Node #0,1,4: 75:[57, 95] Operation: 90+5=95 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 75:[5, 33], Operations: ['88-83=5', '90-57=33'] Exploring Operation: 5*33=165, Resulting Numbers: [165] 165,75 unequal: No Solution Exploring Operation: 5+33=38, Resulting Numbers: [38] 38,75 unequal: No Solution Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,75 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 #0,1,1 Current State: 75:[57, 18], Operations: ['88-83=5', '90/5=18'] Exploring Operation: 57*18=1026, Resulting Numbers: [1026] 1026,75 unequal: No Solution Exploring Operation: 57-18=39, Resulting Numbers: [39] 39,75 unequal: No Solution Exploring Operation: 57+18=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[83, 88, 90, 57], Operations: [] Exploring Operation: 88-83=5, Resulting Numbers: [90, 57, 5] Generated Node #0,1: 75:[90, 57, 5] Operation: 88-83=5 Moving to Node #0,1 Current State: 75:[90, 57, 5], Operations: ['88-83=5'] Exploring Operation: 90/5=18, Resulting Numbers: [57, 18] Generated Node #0,1,1: 75:[57, 18] Operation: 90/5=18 Moving to Node #0,1,1 Current State: 75:[57, 18], Operations: ['88-83=5', '90/5=18'] Exploring Operation: 57+18=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.938368
hs_5
sum_heuristic
[ 57, 13, 17, 85 ]
14
[ "57+13=70", "85/17=5", "70/5=14" ]
Current State: 14:[57, 13, 17, 85], Operations: [] Exploring Operation: 57+13=70, Resulting Numbers: [17, 85, 70] Generated Node #2: [17, 85, 70] from Operation: 57+13=70 Current State: 14:[17, 85, 70], Operations: ['57+13=70'] Exploring Operation: 85/17=5, Resulting Numbers: [70, 5] Generated Node #3: [70, 5] from Operation: 85/17=5 Current State: 14:[70, 5], Operations: ['57+13=70', '85/17=5'] Exploring Operation: 70/5=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[57, 13, 17, 85], Operations: [] Exploring Operation: 85-57=28, Resulting Numbers: [13, 17, 28] Generated Node #0,0: 14:[13, 17, 28] Operation: 85-57=28 Moving to Node #0,0 Current State: 14:[13, 17, 28], Operations: ['85-57=28'] Exploring Operation: 28-13=15, Resulting Numbers: [17, 15] Generated Node #0,0,0: 14:[17, 15] Operation: 28-13=15 Moving to Node #0,0,0 Current State: 14:[17, 15], Operations: ['85-57=28', '28-13=15'] Exploring Operation: 17-15=2, Resulting Numbers: [2] 2,14 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 7, 2, 70, 32 ]
94
[ "70-7=63", "2*63=126", "126-32=94" ]
Current State: 94:[7, 2, 70, 32], Operations: [] Exploring Operation: 70-7=63, Resulting Numbers: [2, 32, 63] Generated Node #2: [2, 32, 63] from Operation: 70-7=63 Current State: 94:[2, 32, 63], Operations: ['70-7=63'] Exploring Operation: 2*63=126, Resulting Numbers: [32, 126] Generated Node #3: [32, 126] from Operation: 2*63=126 Current State: 94:[32, 126], Operations: ['70-7=63', '2*63=126'] Exploring Operation: 126-32=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[7, 2, 70, 32], Operations: [] Exploring Operation: 70-32=38, Resulting Numbers: [7, 2, 38] Generated Node #0,0: 94:[7, 2, 38] Operation: 70-32=38 Exploring Operation: 70+32=102, Resulting Numbers: [7, 2, 102] Generated Node #0,1: 94:[7, 2, 102] Operation: 70+32=102 Exploring Operation: 70/7=10, Resulting Numbers: [2, 32, 10] Generated Node #0,2: 94:[2, 32, 10] Operation: 70/7=10 Moving to Node #0,1 Current State: 94:[7, 2, 102], Operations: ['70+32=102'] Exploring Operation: 102-7=95, Resulting Numbers: [2, 95] Generated Node #0,1,0: 94:[2, 95] Operation: 102-7=95 Exploring Operation: 7-2=5, Resulting Numbers: [102, 5] Generated Node #0,1,1: 94:[102, 5] Operation: 7-2=5 Exploring Operation: 102/2=51, Resulting Numbers: [7, 51] Generated Node #0,1,2: 94:[7, 51] Operation: 102/2=51 Moving to Node #0,0 Current State: 94:[7, 2, 38], Operations: ['70-32=38'] Exploring Operation: 7-2=5, Resulting Numbers: [38, 5] Generated Node #0,0,0: 94:[38, 5] Operation: 7-2=5 Exploring Operation: 7+38=45, Resulting Numbers: [2, 45] Generated Node #0,0,1: 94:[2, 45] Operation: 7+38=45 Exploring Operation: 2+38=40, Resulting Numbers: [7, 40] Generated Node #0,0,2: 94:[7, 40] Operation: 2+38=40 Moving to Node #0,2 Current State: 94:[2, 32, 10], Operations: ['70/7=10'] Exploring Operation: 10/2=5, Resulting Numbers: [32, 5] Generated Node #0,2,0: 94:[32, 5] Operation: 10/2=5 Exploring Operation: 32-10=22, Resulting Numbers: [2, 22] Generated Node #0,2,1: 94:[2, 22] Operation: 32-10=22 Exploring Operation: 32+10=42, Resulting Numbers: [2, 42] Generated Node #0,2,2: 94:[2, 42] Operation: 32+10=42 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 94:[2, 42], Operations: ['70/7=10', '32+10=42'] Exploring Operation: 2*42=84, Resulting Numbers: [84] 84,94 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,94 unequal: No Solution Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 94:[32, 5], Operations: ['70/7=10', '10/2=5'] Exploring Operation: 32*5=160, Resulting Numbers: [160] 160,94 unequal: No Solution Exploring Operation: 32-5=27, Resulting Numbers: [27] 27,94 unequal: No Solution Exploring Operation: 32+5=37, Resulting Numbers: [37] 37,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 94:[2, 22], Operations: ['70/7=10', '32-10=22'] Exploring Operation: 2*22=44, Resulting Numbers: [44] 44,94 unequal: No Solution Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,94 unequal: No Solution Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,94 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: 94:[2, 95], Operations: ['70+32=102', '102-7=95'] Exploring Operation: 2+95=97, Resulting Numbers: [97] 97,94 unequal: No Solution Exploring Operation: 95-2=93, Resulting Numbers: [93] 93,94 unequal: No Solution Exploring Operation: 2*95=190, Resulting Numbers: [190] 190,94 unequal: No Solution Moving to Node #0,0,1 Current State: 94:[2, 45], Operations: ['70-32=38', '7+38=45'] Exploring Operation: 2*45=90, Resulting Numbers: [90] 90,94 unequal: No Solution Exploring Operation: 2+45=47, Resulting Numbers: [47] 47,94 unequal: No Solution Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,94 unequal: No Solution Moving to Node #0,1,2 Current State: 94:[7, 51], Operations: ['70+32=102', '102/2=51'] Exploring Operation: 7*51=357, Resulting Numbers: [357] 357,94 unequal: No Solution Exploring Operation: 51-7=44, Resulting Numbers: [44] 44,94 unequal: No Solution Exploring Operation: 7+51=58, Resulting Numbers: [58] 58,94 unequal: No Solution Moving to Node #0,1,1 Current State: 94:[102, 5], Operations: ['70+32=102', '7-2=5'] Exploring Operation: 102+5=107, Resulting Numbers: [107] 107,94 unequal: No Solution Exploring Operation: 102*5=510, Resulting Numbers: [510] 510,94 unequal: No Solution Exploring Operation: 102-5=97, Resulting Numbers: [97] 97,94 unequal: No Solution Moving to Node #0,0,2 Current State: 94:[7, 40], Operations: ['70-32=38', '2+38=40'] Exploring Operation: 7+40=47, Resulting Numbers: [47] 47,94 unequal: No Solution Exploring Operation: 7*40=280, Resulting Numbers: [280] 280,94 unequal: No Solution Exploring Operation: 40-7=33, Resulting Numbers: [33] 33,94 unequal: No Solution Moving to Node #0,0,0 Current State: 94:[38, 5], Operations: ['70-32=38', '7-2=5'] Exploring Operation: 38*5=190, Resulting Numbers: [190] 190,94 unequal: No Solution Exploring Operation: 38+5=43, Resulting Numbers: [43] 43,94 unequal: No Solution Exploring Operation: 38-5=33, Resulting Numbers: [33] 33,94 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 83, 2, 15, 95 ]
61
[ "83-15=68", "68/2=34", "95-34=61" ]
Current State: 61:[83, 2, 15, 95], Operations: [] Exploring Operation: 83-15=68, Resulting Numbers: [2, 95, 68] Generated Node #2: [2, 95, 68] from Operation: 83-15=68 Current State: 61:[2, 95, 68], Operations: ['83-15=68'] Exploring Operation: 68/2=34, Resulting Numbers: [95, 34] Generated Node #3: [95, 34] from Operation: 68/2=34 Current State: 61:[95, 34], Operations: ['83-15=68', '68/2=34'] Exploring Operation: 95-34=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[83, 2, 15, 95], Operations: [] Exploring Operation: 83-2=81, Resulting Numbers: [15, 95, 81] Generated Node #0,0: 61:[15, 95, 81] Operation: 83-2=81 Exploring Operation: 2*15=30, Resulting Numbers: [83, 95, 30] Generated Node #0,1: 61:[83, 95, 30] Operation: 2*15=30 Start Sub Search at level 1: Moving to Node #0,1 Current State: 61:[83, 95, 30], Operations: ['2*15=30'] Exploring Operation: 83-30=53, Resulting Numbers: [95, 53] Generated Node #0,1,0: 61:[95, 53] Operation: 83-30=53 Exploring Operation: 95-30=65, Resulting Numbers: [83, 65] Generated Node #0,1,1: 61:[83, 65] Operation: 95-30=65 Moving to Node #0,1,1 Current State: 61:[83, 65], Operations: ['2*15=30', '95-30=65'] Exploring Operation: 83+65=148, Resulting Numbers: [148] 148,61 unequal: No Solution Exploring Operation: 83-65=18, Resulting Numbers: [18] 18,61 unequal: No Solution Moving to Node #0,1,0 Current State: 61:[95, 53], Operations: ['2*15=30', '83-30=53'] Exploring Operation: 95-53=42, Resulting Numbers: [42] 42,61 unequal: No Solution Exploring Operation: 95+53=148, Resulting Numbers: [148] 148,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[15, 95, 81], Operations: ['83-2=81'] Exploring Operation: 95-15=80, Resulting Numbers: [81, 80] Generated Node #0,0,0: 61:[81, 80] Operation: 95-15=80 Exploring Operation: 81-15=66, Resulting Numbers: [95, 66] Generated Node #0,0,1: 61:[95, 66] Operation: 81-15=66 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 61:[81, 80], Operations: ['83-2=81', '95-15=80'] Exploring Operation: 81+80=161, Resulting Numbers: [161] 161,61 unequal: No Solution Exploring Operation: 81-80=1, Resulting Numbers: [1] 1,61 unequal: No Solution No 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: 61:[95, 66], Operations: ['83-2=81', '81-15=66'] Exploring Operation: 95-66=29, Resulting Numbers: [29] 29,61 unequal: No Solution Exploring Operation: 95+66=161, Resulting Numbers: [161] 161,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 70, 56, 35, 60 ]
64
[ "70/35=2", "60*2=120", "120-56=64" ]
Current State: 64:[70, 56, 35, 60], Operations: [] Exploring Operation: 70/35=2, Resulting Numbers: [56, 60, 2] Generated Node #2: [56, 60, 2] from Operation: 70/35=2 Current State: 64:[56, 60, 2], Operations: ['70/35=2'] Exploring Operation: 60*2=120, Resulting Numbers: [56, 120] Generated Node #3: [56, 120] from Operation: 60*2=120 Current State: 64:[56, 120], Operations: ['70/35=2', '60*2=120'] Exploring Operation: 120-56=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[70, 56, 35, 60], Operations: [] Exploring Operation: 60-56=4, Resulting Numbers: [70, 35, 4] Generated Node #0,0: 64:[70, 35, 4] Operation: 60-56=4 Exploring Operation: 70/35=2, Resulting Numbers: [56, 60, 2] Generated Node #0,1: 64:[56, 60, 2] Operation: 70/35=2 Exploring Operation: 70-56=14, Resulting Numbers: [35, 60, 14] Generated Node #0,2: 64:[35, 60, 14] Operation: 70-56=14 Moving to Node #0,0 Current State: 64:[70, 35, 4], Operations: ['60-56=4'] Exploring Operation: 70/35=2, Resulting Numbers: [4, 2] Generated Node #0,0,0: 64:[4, 2] Operation: 70/35=2 Exploring Operation: 70-4=66, Resulting Numbers: [35, 66] Generated Node #0,0,1: 64:[35, 66] Operation: 70-4=66 Exploring Operation: 70-35=35, Resulting Numbers: [4, 35] Generated Node #0,0,2: 64:[4, 35] Operation: 70-35=35 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 64:[4, 2], Operations: ['60-56=4', '70/35=2'] Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,64 unequal: No Solution Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,64 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 64:[4, 35], Operations: ['60-56=4', '70-35=35'] Exploring Operation: 4*35=140, Resulting Numbers: [140] 140,64 unequal: No Solution Exploring Operation: 4+35=39, Resulting Numbers: [39] 39,64 unequal: No Solution Exploring Operation: 35-4=31, Resulting Numbers: [31] 31,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 64:[35, 66], Operations: ['60-56=4', '70-4=66'] Exploring Operation: 66-35=31, Resulting Numbers: [31] 31,64 unequal: No Solution Exploring Operation: 35+66=101, Resulting Numbers: [101] 101,64 unequal: No Solution Exploring Operation: 35*66=2310, Resulting Numbers: [2310] 2310,64 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: 64:[35, 60, 14], Operations: ['70-56=14'] Exploring Operation: 60+14=74, Resulting Numbers: [35, 74] Generated Node #0,2,0: 64:[35, 74] Operation: 60+14=74 Exploring Operation: 60-35=25, Resulting Numbers: [14, 25] Generated Node #0,2,1: 64:[14, 25] Operation: 60-35=25 Exploring Operation: 35-14=21, Resulting Numbers: [60, 21] Generated Node #0,2,2: 64:[60, 21] Operation: 35-14=21 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 64:[14, 25], Operations: ['70-56=14', '60-35=25'] Exploring Operation: 14+25=39, Resulting Numbers: [39] 39,64 unequal: No Solution Exploring Operation: 14*25=350, Resulting Numbers: [350] 350,64 unequal: No Solution Exploring Operation: 25-14=11, Resulting Numbers: [11] 11,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 64:[60, 21], Operations: ['70-56=14', '35-14=21'] Exploring Operation: 60*21=1260, Resulting Numbers: [1260] 1260,64 unequal: No Solution Exploring Operation: 60+21=81, Resulting Numbers: [81] 81,64 unequal: No Solution Exploring Operation: 60-21=39, Resulting Numbers: [39] 39,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 64:[35, 74], Operations: ['70-56=14', '60+14=74'] Exploring Operation: 35*74=2590, Resulting Numbers: [2590] 2590,64 unequal: No Solution Exploring Operation: 35+74=109, Resulting Numbers: [109] 109,64 unequal: No Solution Exploring Operation: 74-35=39, Resulting Numbers: [39] 39,64 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: 64:[56, 60, 2], Operations: ['70/35=2'] Exploring Operation: 56+2=58, Resulting Numbers: [60, 58] Generated Node #0,1,0: 64:[60, 58] Operation: 56+2=58 Exploring Operation: 56/2=28, Resulting Numbers: [60, 28] Generated Node #0,1,1: 64:[60, 28] Operation: 56/2=28 Exploring Operation: 60-56=4, Resulting Numbers: [2, 4] Generated Node #0,1,2: 64:[2, 4] Operation: 60-56=4 Moving to Node #0,1,2 Current State: 64:[2, 4], Operations: ['70/35=2', '60-56=4'] Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,64 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,64 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,64 unequal: No Solution Moving to Node #0,1,1 Current State: 64:[60, 28], Operations: ['70/35=2', '56/2=28'] Exploring Operation: 60-28=32, Resulting Numbers: [32] 32,64 unequal: No Solution Exploring Operation: 60+28=88, Resulting Numbers: [88] 88,64 unequal: No Solution Exploring Operation: 60*28=1680, Resulting Numbers: [1680] 1680,64 unequal: No Solution Moving to Node #0,1,0 Current State: 64:[60, 58], Operations: ['70/35=2', '56+2=58'] Exploring Operation: 60+58=118, Resulting Numbers: [118] 118,64 unequal: No Solution Exploring Operation: 60*58=3480, Resulting Numbers: [3480] 3480,64 unequal: No Solution Exploring Operation: 60-58=2, Resulting Numbers: [2] 2,64 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 8, 42, 80, 63 ]
92
[ "8*63=504", "504/42=12", "80+12=92" ]
Current State: 92:[8, 42, 80, 63], Operations: [] Exploring Operation: 8*63=504, Resulting Numbers: [42, 80, 504] Generated Node #2: [42, 80, 504] from Operation: 8*63=504 Current State: 92:[42, 80, 504], Operations: ['8*63=504'] Exploring Operation: 504/42=12, Resulting Numbers: [80, 12] Generated Node #3: [80, 12] from Operation: 504/42=12 Current State: 92:[80, 12], Operations: ['8*63=504', '504/42=12'] Exploring Operation: 80+12=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[8, 42, 80, 63], Operations: [] Exploring Operation: 63-42=21, Resulting Numbers: [8, 80, 21] Generated Node #0,0: 92:[8, 80, 21] Operation: 63-42=21 Exploring Operation: 80-63=17, Resulting Numbers: [8, 42, 17] Generated Node #0,1: 92:[8, 42, 17] Operation: 80-63=17 Moving to Node #0,1 Current State: 92:[8, 42, 17], Operations: ['80-63=17'] Exploring Operation: 8+17=25, Resulting Numbers: [42, 25] Generated Node #0,1,0: 92:[42, 25] Operation: 8+17=25 Exploring Operation: 42-17=25, Resulting Numbers: [8, 25] Generated Node #0,1,1: 92:[8, 25] Operation: 42-17=25 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 92:[42, 25], Operations: ['80-63=17', '8+17=25'] Exploring Operation: 42+25=67, Resulting Numbers: [67] 67,92 unequal: No Solution Exploring Operation: 42-25=17, Resulting Numbers: [17] 17,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 92:[8, 25], Operations: ['80-63=17', '42-17=25'] Exploring Operation: 25-8=17, Resulting Numbers: [17] 17,92 unequal: No Solution Exploring Operation: 8+25=33, Resulting Numbers: [33] 33,92 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: 92:[8, 80, 21], Operations: ['63-42=21'] Exploring Operation: 8+80=88, Resulting Numbers: [21, 88] Generated Node #0,0,0: 92:[21, 88] Operation: 8+80=88 Exploring Operation: 80/8=10, Resulting Numbers: [21, 10] Generated Node #0,0,1: 92:[21, 10] Operation: 80/8=10 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 92:[21, 88], Operations: ['63-42=21', '8+80=88'] Exploring Operation: 21+88=109, Resulting Numbers: [109] 109,92 unequal: No Solution Exploring Operation: 88-21=67, Resulting Numbers: [67] 67,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 92:[21, 10], Operations: ['63-42=21', '80/8=10'] Exploring Operation: 21+10=31, Resulting Numbers: [31] 31,92 unequal: No Solution Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 59, 23, 97, 39 ]
92
[ "59+97=156", "23*156=3588", "3588/39=92" ]
Current State: 92:[59, 23, 97, 39], Operations: [] Exploring Operation: 59+97=156, Resulting Numbers: [23, 39, 156] Generated Node #2: [23, 39, 156] from Operation: 59+97=156 Current State: 92:[23, 39, 156], Operations: ['59+97=156'] Exploring Operation: 23*156=3588, Resulting Numbers: [39, 3588] Generated Node #3: [39, 3588] from Operation: 23*156=3588 Current State: 92:[39, 3588], Operations: ['59+97=156', '23*156=3588'] Exploring Operation: 3588/39=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[59, 23, 97, 39], Operations: [] Exploring Operation: 97-59=38, Resulting Numbers: [23, 39, 38] Generated Node #0,0: 92:[23, 39, 38] Operation: 97-59=38 Exploring Operation: 59+39=98, Resulting Numbers: [23, 97, 98] Generated Node #0,1: 92:[23, 97, 98] Operation: 59+39=98 Exploring Operation: 59-39=20, Resulting Numbers: [23, 97, 20] Generated Node #0,2: 92:[23, 97, 20] Operation: 59-39=20 Moving to Node #0,2 Current State: 92:[23, 97, 20], Operations: ['59-39=20'] Exploring Operation: 23-20=3, Resulting Numbers: [97, 3] Generated Node #0,2,0: 92:[97, 3] Operation: 23-20=3 Exploring Operation: 97-20=77, Resulting Numbers: [23, 77] Generated Node #0,2,1: 92:[23, 77] Operation: 97-20=77 Exploring Operation: 23+20=43, Resulting Numbers: [97, 43] Generated Node #0,2,2: 92:[97, 43] Operation: 23+20=43 Moving to Node #0,1 Current State: 92:[23, 97, 98], Operations: ['59+39=98'] Exploring Operation: 98-23=75, Resulting Numbers: [97, 75] Generated Node #0,1,0: 92:[97, 75] Operation: 98-23=75 Exploring Operation: 97-23=74, Resulting Numbers: [98, 74] Generated Node #0,1,1: 92:[98, 74] Operation: 97-23=74 Exploring Operation: 98-97=1, Resulting Numbers: [23, 1] Generated Node #0,1,2: 92:[23, 1] Operation: 98-97=1 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 92:[23, 1], Operations: ['59+39=98', '98-97=1'] Exploring Operation: 23+1=24, Resulting Numbers: [24] 24,92 unequal: No Solution Exploring Operation: 23/1=23, Resulting Numbers: [23] 23,92 unequal: No Solution Exploring Operation: 23*1=23, Resulting Numbers: [23] 23,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 92:[97, 75], Operations: ['59+39=98', '98-23=75'] Exploring Operation: 97+75=172, Resulting Numbers: [172] 172,92 unequal: No Solution Exploring Operation: 97-75=22, Resulting Numbers: [22] 22,92 unequal: No Solution Exploring Operation: 97*75=7275, Resulting Numbers: [7275] 7275,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 92:[98, 74], Operations: ['59+39=98', '97-23=74'] Exploring Operation: 98+74=172, Resulting Numbers: [172] 172,92 unequal: No Solution Exploring Operation: 98*74=7252, Resulting Numbers: [7252] 7252,92 unequal: No Solution Exploring Operation: 98-74=24, Resulting Numbers: [24] 24,92 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: 92:[23, 39, 38], Operations: ['97-59=38'] Exploring Operation: 39-38=1, Resulting Numbers: [23, 1] Generated Node #0,0,0: 92:[23, 1] Operation: 39-38=1 Exploring Operation: 39-23=16, Resulting Numbers: [38, 16] Generated Node #0,0,1: 92:[38, 16] Operation: 39-23=16 Exploring Operation: 38-23=15, Resulting Numbers: [39, 15] Generated Node #0,0,2: 92:[39, 15] Operation: 38-23=15 Moving to Node #0,0,0 Current State: 92:[23, 1], Operations: ['97-59=38', '39-38=1'] Exploring Operation: 23/1=23, Resulting Numbers: [23] 23,92 unequal: No Solution Exploring Operation: 23+1=24, Resulting Numbers: [24] 24,92 unequal: No Solution Exploring Operation: 23*1=23, Resulting Numbers: [23] 23,92 unequal: No Solution Moving to Node #0,2,0 Current State: 92:[97, 3], Operations: ['59-39=20', '23-20=3'] Exploring Operation: 97-3=94, Resulting Numbers: [94] 94,92 unequal: No Solution Exploring Operation: 97*3=291, Resulting Numbers: [291] 291,92 unequal: No Solution Exploring Operation: 97+3=100, Resulting Numbers: [100] 100,92 unequal: No Solution Moving to Node #0,2,2 Current State: 92:[97, 43], Operations: ['59-39=20', '23+20=43'] Exploring Operation: 97*43=4171, Resulting Numbers: [4171] 4171,92 unequal: No Solution Exploring Operation: 97+43=140, Resulting Numbers: [140] 140,92 unequal: No Solution Exploring Operation: 97-43=54, Resulting Numbers: [54] 54,92 unequal: No Solution Moving to Node #0,2,1 Current State: 92:[23, 77], Operations: ['59-39=20', '97-20=77'] Exploring Operation: 23*77=1771, Resulting Numbers: [1771] 1771,92 unequal: No Solution Exploring Operation: 77-23=54, Resulting Numbers: [54] 54,92 unequal: No Solution Exploring Operation: 23+77=100, Resulting Numbers: [100] 100,92 unequal: No Solution Moving to Node #0,0,2 Current State: 92:[39, 15], Operations: ['97-59=38', '38-23=15'] Exploring Operation: 39+15=54, Resulting Numbers: [54] 54,92 unequal: No Solution Exploring Operation: 39-15=24, Resulting Numbers: [24] 24,92 unequal: No Solution Exploring Operation: 39*15=585, Resulting Numbers: [585] 585,92 unequal: No Solution Moving to Node #0,0,1 Current State: 92:[38, 16], Operations: ['97-59=38', '39-23=16'] Exploring Operation: 38-16=22, Resulting Numbers: [22] 22,92 unequal: No Solution Exploring Operation: 38+16=54, Resulting Numbers: [54] 54,92 unequal: No Solution Exploring Operation: 38*16=608, Resulting Numbers: [608] 608,92 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 28, 61, 5, 14 ]
24
[ "61-28=33", "14-5=9", "33-9=24" ]
Current State: 24:[28, 61, 5, 14], Operations: [] Exploring Operation: 61-28=33, Resulting Numbers: [5, 14, 33] Generated Node #2: [5, 14, 33] from Operation: 61-28=33 Current State: 24:[5, 14, 33], Operations: ['61-28=33'] Exploring Operation: 14-5=9, Resulting Numbers: [33, 9] Generated Node #3: [33, 9] from Operation: 14-5=9 Current State: 24:[33, 9], Operations: ['61-28=33', '14-5=9'] Exploring Operation: 33-9=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[28, 61, 5, 14], Operations: [] Exploring Operation: 61-28=33, Resulting Numbers: [5, 14, 33] Generated Node #0,0: 24:[5, 14, 33] Operation: 61-28=33 Exploring Operation: 61-14=47, Resulting Numbers: [28, 5, 47] Generated Node #0,1: 24:[28, 5, 47] Operation: 61-14=47 Exploring Operation: 61-5=56, Resulting Numbers: [28, 14, 56] Generated Node #0,2: 24:[28, 14, 56] Operation: 61-5=56 Exploring Operation: 28/14=2, Resulting Numbers: [61, 5, 2] Generated Node #0,3: 24:[61, 5, 2] Operation: 28/14=2 Moving to Node #0,0 Current State: 24:[5, 14, 33], Operations: ['61-28=33'] Exploring Operation: 33-5=28, Resulting Numbers: [14, 28] Generated Node #0,0,0: 24:[14, 28] Operation: 33-5=28 Exploring Operation: 14-5=9, Resulting Numbers: [33, 9] Generated Node #0,0,1: 24:[33, 9] Operation: 14-5=9 Exploring Operation: 33-14=19, Resulting Numbers: [5, 19] Generated Node #0,0,2: 24:[5, 19] Operation: 33-14=19 Exploring Operation: 5+14=19, Resulting Numbers: [33, 19] Generated Node #0,0,3: 24:[33, 19] Operation: 5+14=19 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 24:[14, 28], Operations: ['61-28=33', '33-5=28'] Exploring Operation: 28/14=2, Resulting Numbers: [2] 2,24 unequal: No Solution Exploring Operation: 14+28=42, Resulting Numbers: [42] 42,24 unequal: No Solution Exploring Operation: 28-14=14, Resulting Numbers: [14] 14,24 unequal: No Solution Exploring Operation: 14*28=392, Resulting Numbers: [392] 392,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 24:[5, 19], Operations: ['61-28=33', '33-14=19'] Exploring Operation: 5*19=95, Resulting Numbers: [95] 95,24 unequal: No Solution Exploring Operation: 5+19=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[28, 61, 5, 14], Operations: [] Exploring Operation: 61-28=33, Resulting Numbers: [5, 14, 33] Generated Node #0,0: 24:[5, 14, 33] Operation: 61-28=33 Moving to Node #0,0 Current State: 24:[5, 14, 33], Operations: ['61-28=33'] Exploring Operation: 33-14=19, Resulting Numbers: [5, 19] Generated Node #0,0,2: 24:[5, 19] Operation: 33-14=19 Moving to Node #0,0,2 Current State: 24:[5, 19], Operations: ['61-28=33', '33-14=19'] Exploring Operation: 5+19=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
mult_heuristic
[ 41, 24, 20, 22 ]
25
[ "41-24=17", "20+22=42", "42-17=25" ]
Current State: 25:[41, 24, 20, 22], Operations: [] Exploring Operation: 41-24=17, Resulting Numbers: [20, 22, 17] Generated Node #2: [20, 22, 17] from Operation: 41-24=17 Current State: 25:[20, 22, 17], Operations: ['41-24=17'] Exploring Operation: 20+22=42, Resulting Numbers: [17, 42] Generated Node #3: [17, 42] from Operation: 20+22=42 Current State: 25:[17, 42], Operations: ['41-24=17', '20+22=42'] Exploring Operation: 42-17=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[41, 24, 20, 22], Operations: [] Exploring Operation: 41-20=21, Resulting Numbers: [24, 22, 21] Generated Node #0,0: 25:[24, 22, 21] Operation: 41-20=21 Exploring Operation: 41-24=17, Resulting Numbers: [20, 22, 17] Generated Node #0,1: 25:[20, 22, 17] Operation: 41-24=17 Exploring Operation: 41-22=19, Resulting Numbers: [24, 20, 19] Generated Node #0,2: 25:[24, 20, 19] Operation: 41-22=19 Moving to Node #0,0 Current State: 25:[24, 22, 21], Operations: ['41-20=21'] Exploring Operation: 24-21=3, Resulting Numbers: [22, 3] Generated Node #0,0,0: 25:[22, 3] Operation: 24-21=3 Exploring Operation: 22-21=1, Resulting Numbers: [24, 1] Generated Node #0,0,1: 25:[24, 1] Operation: 22-21=1 Exploring Operation: 24-22=2, Resulting Numbers: [21, 2] Generated Node #0,0,2: 25:[21, 2] Operation: 24-22=2 Moving to Node #0,2 Current State: 25:[24, 20, 19], Operations: ['41-22=19'] Exploring Operation: 24-20=4, Resulting Numbers: [19, 4] Generated Node #0,2,0: 25:[19, 4] Operation: 24-20=4 Exploring Operation: 24-19=5, Resulting Numbers: [20, 5] Generated Node #0,2,1: 25:[20, 5] Operation: 24-19=5 Exploring Operation: 20-19=1, Resulting Numbers: [24, 1] Generated Node #0,2,2: 25:[24, 1] Operation: 20-19=1 Moving to Node #0,1 Current State: 25:[20, 22, 17], Operations: ['41-24=17'] Exploring Operation: 22-17=5, Resulting Numbers: [20, 5] Generated Node #0,1,0: 25:[20, 5] Operation: 22-17=5 Exploring Operation: 20-17=3, Resulting Numbers: [22, 3] Generated Node #0,1,1: 25:[22, 3] Operation: 20-17=3 Exploring Operation: 22-20=2, Resulting Numbers: [17, 2] Generated Node #0,1,2: 25:[17, 2] Operation: 22-20=2 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 25:[20, 5], Operations: ['41-24=17', '22-17=5'] Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,25 unequal: No Solution Exploring Operation: 20+5=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[41, 24, 20, 22], Operations: [] Exploring Operation: 41-24=17, Resulting Numbers: [20, 22, 17] Generated Node #0,1: 25:[20, 22, 17] Operation: 41-24=17 Moving to Node #0,1 Current State: 25:[20, 22, 17], Operations: ['41-24=17'] Exploring Operation: 22-17=5, Resulting Numbers: [20, 5] Generated Node #0,1,0: 25:[20, 5] Operation: 22-17=5 Moving to Node #0,1,0 Current State: 25:[20, 5], Operations: ['41-24=17', '22-17=5'] Exploring Operation: 20+5=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_3
mult_heuristic
[ 74, 72, 47, 58 ]
69
[ "74-72=2", "58*2=116", "116-47=69" ]
Current State: 69:[74, 72, 47, 58], Operations: [] Exploring Operation: 74-72=2, Resulting Numbers: [47, 58, 2] Generated Node #2: [47, 58, 2] from Operation: 74-72=2 Current State: 69:[47, 58, 2], Operations: ['74-72=2'] Exploring Operation: 58*2=116, Resulting Numbers: [47, 116] Generated Node #3: [47, 116] from Operation: 58*2=116 Current State: 69:[47, 116], Operations: ['74-72=2', '58*2=116'] Exploring Operation: 116-47=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[74, 72, 47, 58], Operations: [] Exploring Operation: 58-47=11, Resulting Numbers: [74, 72, 11] Generated Node #0,0: 69:[74, 72, 11] Operation: 58-47=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[74, 72, 11], Operations: ['58-47=11'] Exploring Operation: 74-72=2, Resulting Numbers: [11, 2] Generated Node #0,0,0: 69:[11, 2] Operation: 74-72=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 69:[11, 2], Operations: ['58-47=11', '74-72=2'] Exploring Operation: 11*2=22, Resulting Numbers: [22] 22,69 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
[ 52, 15, 49, 64 ]
69
[ "52-49=3", "15/3=5", "64+5=69" ]
Current State: 69:[52, 15, 49, 64], Operations: [] Exploring Operation: 52-49=3, Resulting Numbers: [15, 64, 3] Generated Node #2: [15, 64, 3] from Operation: 52-49=3 Current State: 69:[15, 64, 3], Operations: ['52-49=3'] Exploring Operation: 15/3=5, Resulting Numbers: [64, 5] Generated Node #3: [64, 5] from Operation: 15/3=5 Current State: 69:[64, 5], Operations: ['52-49=3', '15/3=5'] Exploring Operation: 64+5=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[52, 15, 49, 64], Operations: [] Exploring Operation: 52-49=3, Resulting Numbers: [15, 64, 3] Generated Node #0,0: 69:[15, 64, 3] Operation: 52-49=3 Exploring Operation: 49-15=34, Resulting Numbers: [52, 64, 34] Generated Node #0,1: 69:[52, 64, 34] Operation: 49-15=34 Exploring Operation: 15+49=64, Resulting Numbers: [52, 64, 64] Generated Node #0,2: 69:[52, 64, 64] Operation: 15+49=64 Exploring Operation: 64-49=15, Resulting Numbers: [52, 15, 15] Generated Node #0,3: 69:[52, 15, 15] Operation: 64-49=15 Exploring Operation: 52+15=67, Resulting Numbers: [49, 64, 67] Generated Node #0,4: 69:[49, 64, 67] Operation: 52+15=67 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[15, 64, 3], Operations: ['52-49=3'] Exploring Operation: 15/3=5, Resulting Numbers: [64, 5] Generated Node #0,0,0: 69:[64, 5] Operation: 15/3=5 Exploring Operation: 15+3=18, Resulting Numbers: [64, 18] Generated Node #0,0,1: 69:[64, 18] Operation: 15+3=18 Exploring Operation: 64+3=67, Resulting Numbers: [15, 67] Generated Node #0,0,2: 69:[15, 67] Operation: 64+3=67 Exploring Operation: 15-3=12, Resulting Numbers: [64, 12] Generated Node #0,0,3: 69:[64, 12] Operation: 15-3=12 Exploring Operation: 15+64=79, Resulting Numbers: [3, 79] Generated Node #0,0,4: 69:[3, 79] Operation: 15+64=79 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 69:[64, 5], Operations: ['52-49=3', '15/3=5'] Exploring Operation: 64+5=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[52, 15, 49, 64], Operations: [] Exploring Operation: 52-49=3, Resulting Numbers: [15, 64, 3] Generated Node #0,0: 69:[15, 64, 3] Operation: 52-49=3 Moving to Node #0,0 Current State: 69:[15, 64, 3], Operations: ['52-49=3'] Exploring Operation: 15/3=5, Resulting Numbers: [64, 5] Generated Node #0,0,0: 69:[64, 5] Operation: 15/3=5 Moving to Node #0,0,0 Current State: 69:[64, 5], Operations: ['52-49=3', '15/3=5'] Exploring Operation: 64+5=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 73, 40, 63, 45 ]
50
[ "73-63=10", "45-40=5", "10*5=50" ]
Current State: 50:[73, 40, 63, 45], Operations: [] Exploring Operation: 73-63=10, Resulting Numbers: [40, 45, 10] Generated Node #2: [40, 45, 10] from Operation: 73-63=10 Current State: 50:[40, 45, 10], Operations: ['73-63=10'] Exploring Operation: 45-40=5, Resulting Numbers: [10, 5] Generated Node #3: [10, 5] from Operation: 45-40=5 Current State: 50:[10, 5], Operations: ['73-63=10', '45-40=5'] Exploring Operation: 10*5=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[73, 40, 63, 45], Operations: [] Exploring Operation: 73-63=10, Resulting Numbers: [40, 45, 10] Generated Node #0,0: 50:[40, 45, 10] Operation: 73-63=10 Exploring Operation: 73-40=33, Resulting Numbers: [63, 45, 33] Generated Node #0,1: 50:[63, 45, 33] Operation: 73-40=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[40, 45, 10], Operations: ['73-63=10'] Exploring Operation: 40+10=50, Resulting Numbers: [45, 50] Generated Node #0,0,0: 50:[45, 50] Operation: 40+10=50 Exploring Operation: 45-40=5, Resulting Numbers: [10, 5] Generated Node #0,0,1: 50:[10, 5] Operation: 45-40=5 Moving to Node #0,0,1 Current State: 50:[10, 5], Operations: ['73-63=10', '45-40=5'] Exploring Operation: 10*5=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[73, 40, 63, 45], Operations: [] Exploring Operation: 73-63=10, Resulting Numbers: [40, 45, 10] Generated Node #0,0: 50:[40, 45, 10] Operation: 73-63=10 Moving to Node #0,0 Current State: 50:[40, 45, 10], Operations: ['73-63=10'] Exploring Operation: 45-40=5, Resulting Numbers: [10, 5] Generated Node #0,0,1: 50:[10, 5] Operation: 45-40=5 Moving to Node #0,0,1 Current State: 50:[10, 5], Operations: ['73-63=10', '45-40=5'] Exploring Operation: 10*5=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 1, 56, 60, 35 ]
40
[ "56-1=55", "60+35=95", "95-55=40" ]
Current State: 40:[1, 56, 60, 35], Operations: [] Exploring Operation: 56-1=55, Resulting Numbers: [60, 35, 55] Generated Node #2: [60, 35, 55] from Operation: 56-1=55 Current State: 40:[60, 35, 55], Operations: ['56-1=55'] Exploring Operation: 60+35=95, Resulting Numbers: [55, 95] Generated Node #3: [55, 95] from Operation: 60+35=95 Current State: 40:[55, 95], Operations: ['56-1=55', '60+35=95'] Exploring Operation: 95-55=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[1, 56, 60, 35], Operations: [] Exploring Operation: 56-35=21, Resulting Numbers: [1, 60, 21] Generated Node #0,0: 40:[1, 60, 21] Operation: 56-35=21 Exploring Operation: 60-56=4, Resulting Numbers: [1, 35, 4] Generated Node #0,1: 40:[1, 35, 4] Operation: 60-56=4 Start Sub Search at level 1: Moving to Node #0,1 Current State: 40:[1, 35, 4], Operations: ['60-56=4'] Exploring Operation: 35+4=39, Resulting Numbers: [1, 39] Generated Node #0,1,0: 40:[1, 39] Operation: 35+4=39 Exploring Operation: 1+35=36, Resulting Numbers: [4, 36] Generated Node #0,1,1: 40:[4, 36] Operation: 1+35=36 Moving to Node #0,1,0 Current State: 40:[1, 39], Operations: ['60-56=4', '35+4=39'] Exploring Operation: 1*39=39, Resulting Numbers: [39] 39,40 unequal: No Solution Exploring Operation: 1+39=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[1, 56, 60, 35], Operations: [] Exploring Operation: 60-56=4, Resulting Numbers: [1, 35, 4] Generated Node #0,1: 40:[1, 35, 4] Operation: 60-56=4 Moving to Node #0,1 Current State: 40:[1, 35, 4], Operations: ['60-56=4'] Exploring Operation: 35+4=39, Resulting Numbers: [1, 39] Generated Node #0,1,0: 40:[1, 39] Operation: 35+4=39 Moving to Node #0,1,0 Current State: 40:[1, 39], Operations: ['60-56=4', '35+4=39'] Exploring Operation: 1+39=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 56, 10, 8, 25 ]
29
[ "56-10=46", "25-8=17", "46-17=29" ]
Current State: 29:[56, 10, 8, 25], Operations: [] Exploring Operation: 56-10=46, Resulting Numbers: [8, 25, 46] Generated Node #2: [8, 25, 46] from Operation: 56-10=46 Current State: 29:[8, 25, 46], Operations: ['56-10=46'] Exploring Operation: 25-8=17, Resulting Numbers: [46, 17] Generated Node #3: [46, 17] from Operation: 25-8=17 Current State: 29:[46, 17], Operations: ['56-10=46', '25-8=17'] Exploring Operation: 46-17=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[56, 10, 8, 25], Operations: [] Exploring Operation: 56/8=7, Resulting Numbers: [10, 25, 7] Generated Node #0,0: 29:[10, 25, 7] Operation: 56/8=7 Exploring Operation: 56-10=46, Resulting Numbers: [8, 25, 46] Generated Node #0,1: 29:[8, 25, 46] Operation: 56-10=46 Exploring Operation: 56-25=31, Resulting Numbers: [10, 8, 31] Generated Node #0,2: 29:[10, 8, 31] Operation: 56-25=31 Exploring Operation: 10+8=18, Resulting Numbers: [56, 25, 18] Generated Node #0,3: 29:[56, 25, 18] Operation: 10+8=18 Exploring Operation: 56-8=48, Resulting Numbers: [10, 25, 48] Generated Node #0,4: 29:[10, 25, 48] Operation: 56-8=48 Moving to Node #0,1 Current State: 29:[8, 25, 46], Operations: ['56-10=46'] Exploring Operation: 8+25=33, Resulting Numbers: [46, 33] Generated Node #0,1,0: 29:[46, 33] Operation: 8+25=33 Exploring Operation: 46-25=21, Resulting Numbers: [8, 21] Generated Node #0,1,1: 29:[8, 21] Operation: 46-25=21 Exploring Operation: 8+46=54, Resulting Numbers: [25, 54] Generated Node #0,1,2: 29:[25, 54] Operation: 8+46=54 Exploring Operation: 25-8=17, Resulting Numbers: [46, 17] Generated Node #0,1,3: 29:[46, 17] Operation: 25-8=17 Exploring Operation: 46-8=38, Resulting Numbers: [25, 38] Generated Node #0,1,4: 29:[25, 38] Operation: 46-8=38 Moving to Node #0,3 Current State: 29:[56, 25, 18], Operations: ['10+8=18'] Exploring Operation: 56-18=38, Resulting Numbers: [25, 38] Generated Node #0,3,0: 29:[25, 38] Operation: 56-18=38 Exploring Operation: 56+18=74, Resulting Numbers: [25, 74] Generated Node #0,3,1: 29:[25, 74] Operation: 56+18=74 Exploring Operation: 25+18=43, Resulting Numbers: [56, 43] Generated Node #0,3,2: 29:[56, 43] Operation: 25+18=43 Exploring Operation: 25-18=7, Resulting Numbers: [56, 7] Generated Node #0,3,3: 29:[56, 7] Operation: 25-18=7 Exploring Operation: 56-25=31, Resulting Numbers: [18, 31] Generated Node #0,3,4: 29:[18, 31] Operation: 56-25=31 Moving to Node #0,2 Current State: 29:[10, 8, 31], Operations: ['56-25=31'] Exploring Operation: 31-8=23, Resulting Numbers: [10, 23] Generated Node #0,2,0: 29:[10, 23] Operation: 31-8=23 Exploring Operation: 10-8=2, Resulting Numbers: [31, 2] Generated Node #0,2,1: 29:[31, 2] Operation: 10-8=2 Exploring Operation: 10+8=18, Resulting Numbers: [31, 18] Generated Node #0,2,2: 29:[31, 18] Operation: 10+8=18 Exploring Operation: 31-10=21, Resulting Numbers: [8, 21] Generated Node #0,2,3: 29:[8, 21] Operation: 31-10=21 Exploring Operation: 8+31=39, Resulting Numbers: [10, 39] Generated Node #0,2,4: 29:[10, 39] Operation: 8+31=39 Moving to Node #0,4 Current State: 29:[10, 25, 48], Operations: ['56-8=48'] Exploring Operation: 10+25=35, Resulting Numbers: [48, 35] Generated Node #0,4,0: 29:[48, 35] Operation: 10+25=35 Exploring Operation: 48-25=23, Resulting Numbers: [10, 23] Generated Node #0,4,1: 29:[10, 23] Operation: 48-25=23 Exploring Operation: 25-10=15, Resulting Numbers: [48, 15] Generated Node #0,4,2: 29:[48, 15] Operation: 25-10=15 Exploring Operation: 10+48=58, Resulting Numbers: [25, 58] Generated Node #0,4,3: 29:[25, 58] Operation: 10+48=58 Exploring Operation: 48-10=38, Resulting Numbers: [25, 38] Generated Node #0,4,4: 29:[25, 38] Operation: 48-10=38 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 29:[25, 38], Operations: ['56-8=48', '48-10=38'] Exploring Operation: 38-25=13, Resulting Numbers: [13] 13,29 unequal: No Solution Exploring Operation: 25*38=950, Resulting Numbers: [950] 950,29 unequal: No Solution Exploring Operation: 25+38=63, Resulting Numbers: [63] 63,29 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 #0,4,0 Current State: 29:[48, 35], Operations: ['56-8=48', '10+25=35'] Exploring Operation: 48*35=1680, Resulting Numbers: [1680] 1680,29 unequal: No Solution Exploring Operation: 48+35=83, Resulting Numbers: [83] 83,29 unequal: No Solution Exploring Operation: 48-35=13, Resulting Numbers: [13] 13,29 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 #0,4,1 Current State: 29:[10, 23], Operations: ['56-8=48', '48-25=23'] Exploring Operation: 10+23=33, Resulting Numbers: [33] 33,29 unequal: No Solution Exploring Operation: 10*23=230, Resulting Numbers: [230] 230,29 unequal: No Solution Exploring Operation: 23-10=13, Resulting Numbers: [13] 13,29 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 #0,4,2 Current State: 29:[48, 15], Operations: ['56-8=48', '25-10=15'] Exploring Operation: 48-15=33, Resulting Numbers: [33] 33,29 unequal: No Solution Exploring Operation: 48+15=63, Resulting Numbers: [63] 63,29 unequal: No Solution Exploring Operation: 48*15=720, Resulting Numbers: [720] 720,29 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 #0,4,3 Current State: 29:[25, 58], Operations: ['56-8=48', '10+48=58'] Exploring Operation: 25+58=83, Resulting Numbers: [83] 83,29 unequal: No Solution Exploring Operation: 25*58=1450, Resulting Numbers: [1450] 1450,29 unequal: No Solution Exploring Operation: 58-25=33, Resulting Numbers: [33] 33,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 29:[10, 25, 7], Operations: ['56/8=7'] Exploring Operation: 25+7=32, Resulting Numbers: [10, 32] Generated Node #0,0,0: 29:[10, 32] Operation: 25+7=32 Exploring Operation: 25-7=18, Resulting Numbers: [10, 18] Generated Node #0,0,1: 29:[10, 18] Operation: 25-7=18 Exploring Operation: 10+7=17, Resulting Numbers: [25, 17] Generated Node #0,0,2: 29:[25, 17] Operation: 10+7=17 Exploring Operation: 10-7=3, Resulting Numbers: [25, 3] Generated Node #0,0,3: 29:[25, 3] Operation: 10-7=3 Exploring Operation: 10+25=35, Resulting Numbers: [7, 35] Generated Node #0,0,4: 29:[7, 35] Operation: 10+25=35 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 29:[25, 17], Operations: ['56/8=7', '10+7=17'] Exploring Operation: 25-17=8, Resulting Numbers: [8] 8,29 unequal: No Solution Exploring Operation: 25*17=425, Resulting Numbers: [425] 425,29 unequal: No Solution Exploring Operation: 25+17=42, Resulting Numbers: [42] 42,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 29:[10, 32], Operations: ['56/8=7', '25+7=32'] Exploring Operation: 10*32=320, Resulting Numbers: [320] 320,29 unequal: No Solution Exploring Operation: 32-10=22, Resulting Numbers: [22] 22,29 unequal: No Solution Exploring Operation: 10+32=42, Resulting Numbers: [42] 42,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 29:[7, 35], Operations: ['56/8=7', '10+25=35'] Exploring Operation: 35/7=5, Resulting Numbers: [5] 5,29 unequal: No Solution Exploring Operation: 7*35=245, Resulting Numbers: [245] 245,29 unequal: No Solution Exploring Operation: 35-7=28, Resulting Numbers: [28] 28,29 unequal: No Solution Exploring Operation: 7+35=42, Resulting Numbers: [42] 42,29 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 #0,0,1 Current State: 29:[10, 18], Operations: ['56/8=7', '25-7=18'] Exploring Operation: 10*18=180, Resulting Numbers: [180] 180,29 unequal: No Solution Exploring Operation: 10+18=28, Resulting Numbers: [28] 28,29 unequal: No Solution Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 29:[25, 3], Operations: ['56/8=7', '10-7=3'] Exploring Operation: 25+3=28, Resulting Numbers: [28] 28,29 unequal: No Solution Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,29 unequal: No Solution Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,4 Current State: 29:[25, 38], Operations: ['56-10=46', '46-8=38'] Exploring Operation: 25*38=950, Resulting Numbers: [950] 950,29 unequal: No Solution Exploring Operation: 38-25=13, Resulting Numbers: [13] 13,29 unequal: No Solution Exploring Operation: 25+38=63, Resulting Numbers: [63] 63,29 unequal: No Solution Moving to Node #0,3,0 Current State: 29:[25, 38], Operations: ['10+8=18', '56-18=38'] Exploring Operation: 38-25=13, Resulting Numbers: [13] 13,29 unequal: No Solution Exploring Operation: 25*38=950, Resulting Numbers: [950] 950,29 unequal: No Solution Exploring Operation: 25+38=63, Resulting Numbers: [63] 63,29 unequal: No Solution Moving to Node #0,3,4 Current State: 29:[18, 31], Operations: ['10+8=18', '56-25=31'] Exploring Operation: 18+31=49, Resulting Numbers: [49] 49,29 unequal: No Solution Exploring Operation: 18*31=558, Resulting Numbers: [558] 558,29 unequal: No Solution Exploring Operation: 31-18=13, Resulting Numbers: [13] 13,29 unequal: No Solution Moving to Node #0,2,2 Current State: 29:[31, 18], Operations: ['56-25=31', '10+8=18'] Exploring Operation: 31+18=49, Resulting Numbers: [49] 49,29 unequal: No Solution Exploring Operation: 31-18=13, Resulting Numbers: [13] 13,29 unequal: No Solution Exploring Operation: 31*18=558, Resulting Numbers: [558] 558,29 unequal: No Solution Moving to Node #0,1,0 Current State: 29:[46, 33], Operations: ['56-10=46', '8+25=33'] Exploring Operation: 46-33=13, Resulting Numbers: [13] 13,29 unequal: No Solution Exploring Operation: 46+33=79, Resulting Numbers: [79] 79,29 unequal: No Solution Exploring Operation: 46*33=1518, Resulting Numbers: [1518] 1518,29 unequal: No Solution Moving to Node #0,2,0 Current State: 29:[10, 23], Operations: ['56-25=31', '31-8=23'] Exploring Operation: 10+23=33, Resulting Numbers: [33] 33,29 unequal: No Solution Exploring Operation: 10*23=230, Resulting Numbers: [230] 230,29 unequal: No Solution Exploring Operation: 23-10=13, Resulting Numbers: [13] 13,29 unequal: No Solution Moving to Node #0,2,3 Current State: 29:[8, 21], Operations: ['56-25=31', '31-10=21'] Exploring Operation: 8+21=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[56, 10, 8, 25], Operations: [] Exploring Operation: 56-25=31, Resulting Numbers: [10, 8, 31] Generated Node #0,2: 29:[10, 8, 31] Operation: 56-25=31 Moving to Node #0,2 Current State: 29:[10, 8, 31], Operations: ['56-25=31'] Exploring Operation: 31-10=21, Resulting Numbers: [8, 21] Generated Node #0,2,3: 29:[8, 21] Operation: 31-10=21 Moving to Node #0,2,3 Current State: 29:[8, 21], Operations: ['56-25=31', '31-10=21'] Exploring Operation: 8+21=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
0.927083
hs_5
mult_heuristic
[ 4, 88, 55, 71 ]
68
[ "88-4=84", "71-55=16", "84-16=68" ]
Current State: 68:[4, 88, 55, 71], Operations: [] Exploring Operation: 88-4=84, Resulting Numbers: [55, 71, 84] Generated Node #2: [55, 71, 84] from Operation: 88-4=84 Current State: 68:[55, 71, 84], Operations: ['88-4=84'] Exploring Operation: 71-55=16, Resulting Numbers: [84, 16] Generated Node #3: [84, 16] from Operation: 71-55=16 Current State: 68:[84, 16], Operations: ['88-4=84', '71-55=16'] Exploring Operation: 84-16=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[4, 88, 55, 71], Operations: [] Exploring Operation: 88-55=33, Resulting Numbers: [4, 71, 33] Generated Node #0,0: 68:[4, 71, 33] Operation: 88-55=33 Exploring Operation: 88-71=17, Resulting Numbers: [4, 55, 17] Generated Node #0,1: 68:[4, 55, 17] Operation: 88-71=17 Moving to Node #0,0 Current State: 68:[4, 71, 33], Operations: ['88-55=33'] Exploring Operation: 71-4=67, Resulting Numbers: [33, 67] Generated Node #0,0,0: 68:[33, 67] Operation: 71-4=67 Exploring Operation: 71-33=38, Resulting Numbers: [4, 38] Generated Node #0,0,1: 68:[4, 38] Operation: 71-33=38 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 68:[33, 67], Operations: ['88-55=33', '71-4=67'] Exploring Operation: 67-33=34, Resulting Numbers: [34] 34,68 unequal: No Solution Exploring Operation: 33+67=100, Resulting Numbers: [100] 100,68 unequal: No Solution No 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: 68:[4, 38], Operations: ['88-55=33', '71-33=38'] Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,68 unequal: No Solution Exploring Operation: 4+38=42, Resulting Numbers: [42] 42,68 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: 68:[4, 55, 17], Operations: ['88-71=17'] Exploring Operation: 55-17=38, Resulting Numbers: [4, 38] Generated Node #0,1,0: 68:[4, 38] Operation: 55-17=38 Exploring Operation: 55+17=72, Resulting Numbers: [4, 72] Generated Node #0,1,1: 68:[4, 72] Operation: 55+17=72 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 68:[4, 38], Operations: ['88-71=17', '55-17=38'] Exploring Operation: 4+38=42, Resulting Numbers: [42] 42,68 unequal: No Solution Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,68 unequal: No Solution No 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: 68:[4, 72], Operations: ['88-71=17', '55+17=72'] Exploring Operation: 72-4=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[4, 88, 55, 71], Operations: [] Exploring Operation: 88-71=17, Resulting Numbers: [4, 55, 17] Generated Node #0,1: 68:[4, 55, 17] Operation: 88-71=17 Moving to Node #0,1 Current State: 68:[4, 55, 17], Operations: ['88-71=17'] Exploring Operation: 55+17=72, Resulting Numbers: [4, 72] Generated Node #0,1,1: 68:[4, 72] Operation: 55+17=72 Moving to Node #0,1,1 Current State: 68:[4, 72], Operations: ['88-71=17', '55+17=72'] Exploring Operation: 72-4=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_2
mult_heuristic
[ 88, 47, 68, 31 ]
98
[ "88+47=135", "68-31=37", "135-37=98" ]
Current State: 98:[88, 47, 68, 31], Operations: [] Exploring Operation: 88+47=135, Resulting Numbers: [68, 31, 135] Generated Node #2: [68, 31, 135] from Operation: 88+47=135 Current State: 98:[68, 31, 135], Operations: ['88+47=135'] Exploring Operation: 68-31=37, Resulting Numbers: [135, 37] Generated Node #3: [135, 37] from Operation: 68-31=37 Current State: 98:[135, 37], Operations: ['88+47=135', '68-31=37'] Exploring Operation: 135-37=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[88, 47, 68, 31], Operations: [] Exploring Operation: 68+31=99, Resulting Numbers: [88, 47, 99] Generated Node #0,0: 98:[88, 47, 99] Operation: 68+31=99 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[88, 47, 99], Operations: ['68+31=99'] Exploring Operation: 99-88=11, Resulting Numbers: [47, 11] Generated Node #0,0,0: 98:[47, 11] Operation: 99-88=11 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 98:[47, 11], Operations: ['68+31=99', '99-88=11'] Exploring Operation: 47+11=58, Resulting Numbers: [58] 58,98 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
[ 17, 15, 20, 40 ]
75
[ "20-17=3", "40-15=25", "3*25=75" ]
Current State: 75:[17, 15, 20, 40], Operations: [] Exploring Operation: 20-17=3, Resulting Numbers: [15, 40, 3] Generated Node #2: [15, 40, 3] from Operation: 20-17=3 Current State: 75:[15, 40, 3], Operations: ['20-17=3'] Exploring Operation: 40-15=25, Resulting Numbers: [3, 25] Generated Node #3: [3, 25] from Operation: 40-15=25 Current State: 75:[3, 25], Operations: ['20-17=3', '40-15=25'] Exploring Operation: 3*25=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[17, 15, 20, 40], Operations: [] Exploring Operation: 40/20=2, Resulting Numbers: [17, 15, 2] Generated Node #0,0: 75:[17, 15, 2] Operation: 40/20=2 Moving to Node #0,0 Current State: 75:[17, 15, 2], Operations: ['40/20=2'] Exploring Operation: 17-2=15, Resulting Numbers: [15, 15] Generated Node #0,0,0: 75:[15, 15] Operation: 17-2=15 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 75:[15, 15], Operations: ['40/20=2', '17-2=15'] Exploring Operation: 15/15=1, Resulting Numbers: [1] 1,75 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
[ 19, 8, 61, 47 ]
44
[ "19*8=152", "61+47=108", "152-108=44" ]
Current State: 44:[19, 8, 61, 47], Operations: [] Exploring Operation: 19*8=152, Resulting Numbers: [61, 47, 152] Generated Node #2: [61, 47, 152] from Operation: 19*8=152 Current State: 44:[61, 47, 152], Operations: ['19*8=152'] Exploring Operation: 61+47=108, Resulting Numbers: [152, 108] Generated Node #3: [152, 108] from Operation: 61+47=108 Current State: 44:[152, 108], Operations: ['19*8=152', '61+47=108'] Exploring Operation: 152-108=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[19, 8, 61, 47], Operations: [] Exploring Operation: 61-47=14, Resulting Numbers: [19, 8, 14] Generated Node #0,0: 44:[19, 8, 14] Operation: 61-47=14 Exploring Operation: 19+8=27, Resulting Numbers: [61, 47, 27] Generated Node #0,1: 44:[61, 47, 27] Operation: 19+8=27 Exploring Operation: 61-8=53, Resulting Numbers: [19, 47, 53] Generated Node #0,2: 44:[19, 47, 53] Operation: 61-8=53 Exploring Operation: 19-8=11, Resulting Numbers: [61, 47, 11] Generated Node #0,3: 44:[61, 47, 11] Operation: 19-8=11 Exploring Operation: 61-19=42, Resulting Numbers: [8, 47, 42] Generated Node #0,4: 44:[8, 47, 42] Operation: 61-19=42 Moving to Node #0,4 Current State: 44:[8, 47, 42], Operations: ['61-19=42'] Exploring Operation: 47-8=39, Resulting Numbers: [42, 39] Generated Node #0,4,0: 44:[42, 39] Operation: 47-8=39 Exploring Operation: 47-42=5, Resulting Numbers: [8, 5] Generated Node #0,4,1: 44:[8, 5] Operation: 47-42=5 Exploring Operation: 42-8=34, Resulting Numbers: [47, 34] Generated Node #0,4,2: 44:[47, 34] Operation: 42-8=34 Exploring Operation: 8+42=50, Resulting Numbers: [47, 50] Generated Node #0,4,3: 44:[47, 50] Operation: 8+42=50 Exploring Operation: 8+47=55, Resulting Numbers: [42, 55] Generated Node #0,4,4: 44:[42, 55] Operation: 8+47=55 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 44:[8, 5], Operations: ['61-19=42', '47-42=5'] Exploring Operation: 8*5=40, Resulting Numbers: [40] 40,44 unequal: No Solution Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,44 unequal: No Solution Exploring Operation: 8+5=13, Resulting Numbers: [13] 13,44 unequal: No Solution No 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: 44:[42, 39], Operations: ['61-19=42', '47-8=39'] Exploring Operation: 42+39=81, Resulting Numbers: [81] 81,44 unequal: No Solution Exploring Operation: 42-39=3, Resulting Numbers: [3] 3,44 unequal: No Solution Exploring Operation: 42*39=1638, Resulting Numbers: [1638] 1638,44 unequal: No Solution No 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: 44:[47, 50], Operations: ['61-19=42', '8+42=50'] Exploring Operation: 47*50=2350, Resulting Numbers: [2350] 2350,44 unequal: No Solution Exploring Operation: 50-47=3, Resulting Numbers: [3] 3,44 unequal: No Solution Exploring Operation: 47+50=97, Resulting Numbers: [97] 97,44 unequal: No Solution No 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: 44:[47, 34], Operations: ['61-19=42', '42-8=34'] Exploring Operation: 47+34=81, Resulting Numbers: [81] 81,44 unequal: No Solution Exploring Operation: 47-34=13, Resulting Numbers: [13] 13,44 unequal: No Solution Exploring Operation: 47*34=1598, Resulting Numbers: [1598] 1598,44 unequal: No Solution No 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: 44:[42, 55], Operations: ['61-19=42', '8+47=55'] Exploring Operation: 55-42=13, Resulting Numbers: [13] 13,44 unequal: No Solution Exploring Operation: 42+55=97, Resulting Numbers: [97] 97,44 unequal: No Solution Exploring Operation: 42*55=2310, Resulting Numbers: [2310] 2310,44 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: 44:[19, 8, 14], Operations: ['61-47=14'] Exploring Operation: 19-14=5, Resulting Numbers: [8, 5] Generated Node #0,0,0: 44:[8, 5] Operation: 19-14=5 Exploring Operation: 19-8=11, Resulting Numbers: [14, 11] Generated Node #0,0,1: 44:[14, 11] Operation: 19-8=11 Exploring Operation: 19+8=27, Resulting Numbers: [14, 27] Generated Node #0,0,2: 44:[14, 27] Operation: 19+8=27 Exploring Operation: 14-8=6, Resulting Numbers: [19, 6] Generated Node #0,0,3: 44:[19, 6] Operation: 14-8=6 Exploring Operation: 8+14=22, Resulting Numbers: [19, 22] Generated Node #0,0,4: 44:[19, 22] Operation: 8+14=22 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 44:[14, 11], Operations: ['61-47=14', '19-8=11'] Exploring Operation: 14-11=3, Resulting Numbers: [3] 3,44 unequal: No Solution Exploring Operation: 14*11=154, Resulting Numbers: [154] 154,44 unequal: No Solution Exploring Operation: 14+11=25, Resulting Numbers: [25] 25,44 unequal: No Solution No 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: 44:[19, 22], Operations: ['61-47=14', '8+14=22'] Exploring Operation: 22-19=3, Resulting Numbers: [3] 3,44 unequal: No Solution Exploring Operation: 19*22=418, Resulting Numbers: [418] 418,44 unequal: No Solution Exploring Operation: 19+22=41, Resulting Numbers: [41] 41,44 unequal: No Solution No 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: 44:[8, 5], Operations: ['61-47=14', '19-14=5'] Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,44 unequal: No Solution Exploring Operation: 8+5=13, Resulting Numbers: [13] 13,44 unequal: No Solution Exploring Operation: 8*5=40, Resulting Numbers: [40] 40,44 unequal: No Solution No 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: 44:[19, 6], Operations: ['61-47=14', '14-8=6'] Exploring Operation: 19*6=114, Resulting Numbers: [114] 114,44 unequal: No Solution Exploring Operation: 19+6=25, Resulting Numbers: [25] 25,44 unequal: No Solution Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,44 unequal: No Solution No 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: 44:[14, 27], Operations: ['61-47=14', '19+8=27'] Exploring Operation: 14+27=41, Resulting Numbers: [41] 41,44 unequal: No Solution Exploring Operation: 27-14=13, Resulting Numbers: [13] 13,44 unequal: No Solution Exploring Operation: 14*27=378, Resulting Numbers: [378] 378,44 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: 44:[19, 47, 53], Operations: ['61-8=53'] Exploring Operation: 19+53=72, Resulting Numbers: [47, 72] Generated Node #0,2,0: 44:[47, 72] Operation: 19+53=72 Exploring Operation: 47-19=28, Resulting Numbers: [53, 28] Generated Node #0,2,1: 44:[53, 28] Operation: 47-19=28 Exploring Operation: 53-19=34, Resulting Numbers: [47, 34] Generated Node #0,2,2: 44:[47, 34] Operation: 53-19=34 Exploring Operation: 53-47=6, Resulting Numbers: [19, 6] Generated Node #0,2,3: 44:[19, 6] Operation: 53-47=6 Exploring Operation: 19+47=66, Resulting Numbers: [53, 66] Generated Node #0,2,4: 44:[53, 66] Operation: 19+47=66 Moving to Node #0,3 Current State: 44:[61, 47, 11], Operations: ['19-8=11'] Exploring Operation: 47-11=36, Resulting Numbers: [61, 36] Generated Node #0,3,0: 44:[61, 36] Operation: 47-11=36 Exploring Operation: 61-47=14, Resulting Numbers: [11, 14] Generated Node #0,3,1: 44:[11, 14] Operation: 61-47=14 Exploring Operation: 61+11=72, Resulting Numbers: [47, 72] Generated Node #0,3,2: 44:[47, 72] Operation: 61+11=72 Exploring Operation: 61-11=50, Resulting Numbers: [47, 50] Generated Node #0,3,3: 44:[47, 50] Operation: 61-11=50 Exploring Operation: 47+11=58, Resulting Numbers: [61, 58] Generated Node #0,3,4: 44:[61, 58] Operation: 47+11=58 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 44:[11, 14], Operations: ['19-8=11', '61-47=14'] Exploring Operation: 11*14=154, Resulting Numbers: [154] 154,44 unequal: No Solution Exploring Operation: 11+14=25, Resulting Numbers: [25] 25,44 unequal: No Solution Exploring Operation: 14-11=3, Resulting Numbers: [3] 3,44 unequal: No Solution No 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: 44:[47, 50], Operations: ['19-8=11', '61-11=50'] Exploring Operation: 50-47=3, Resulting Numbers: [3] 3,44 unequal: No Solution Exploring Operation: 47*50=2350, Resulting Numbers: [2350] 2350,44 unequal: No Solution Exploring Operation: 47+50=97, Resulting Numbers: [97] 97,44 unequal: No Solution No 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: 44:[61, 36], Operations: ['19-8=11', '47-11=36'] Exploring Operation: 61-36=25, Resulting Numbers: [25] 25,44 unequal: No Solution Exploring Operation: 61*36=2196, Resulting Numbers: [2196] 2196,44 unequal: No Solution Exploring Operation: 61+36=97, Resulting Numbers: [97] 97,44 unequal: No Solution No 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: 44:[47, 72], Operations: ['19-8=11', '61+11=72'] Exploring Operation: 47+72=119, Resulting Numbers: [119] 119,44 unequal: No Solution Exploring Operation: 72-47=25, Resulting Numbers: [25] 25,44 unequal: No Solution Exploring Operation: 47*72=3384, Resulting Numbers: [3384] 3384,44 unequal: No Solution No 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: 44:[61, 58], Operations: ['19-8=11', '47+11=58'] Exploring Operation: 61+58=119, Resulting Numbers: [119] 119,44 unequal: No Solution Exploring Operation: 61-58=3, Resulting Numbers: [3] 3,44 unequal: No Solution Exploring Operation: 61*58=3538, Resulting Numbers: [3538] 3538,44 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: 44:[61, 47, 27], Operations: ['19+8=27'] Exploring Operation: 47+27=74, Resulting Numbers: [61, 74] Generated Node #0,1,0: 44:[61, 74] Operation: 47+27=74 Exploring Operation: 61-47=14, Resulting Numbers: [27, 14] Generated Node #0,1,1: 44:[27, 14] Operation: 61-47=14 Exploring Operation: 61+27=88, Resulting Numbers: [47, 88] Generated Node #0,1,2: 44:[47, 88] Operation: 61+27=88 Exploring Operation: 47-27=20, Resulting Numbers: [61, 20] Generated Node #0,1,3: 44:[61, 20] Operation: 47-27=20 Exploring Operation: 61-27=34, Resulting Numbers: [47, 34] Generated Node #0,1,4: 44:[47, 34] Operation: 61-27=34 Moving to Node #0,2,3 Current State: 44:[19, 6], Operations: ['61-8=53', '53-47=6'] Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,44 unequal: No Solution Exploring Operation: 19*6=114, Resulting Numbers: [114] 114,44 unequal: No Solution Exploring Operation: 19+6=25, Resulting Numbers: [25] 25,44 unequal: No Solution Moving to Node #0,1,1 Current State: 44:[27, 14], Operations: ['19+8=27', '61-47=14'] Exploring Operation: 27*14=378, Resulting Numbers: [378] 378,44 unequal: No Solution Exploring Operation: 27-14=13, Resulting Numbers: [13] 13,44 unequal: No Solution Exploring Operation: 27+14=41, Resulting Numbers: [41] 41,44 unequal: No Solution Moving to Node #0,1,4 Current State: 44:[47, 34], Operations: ['19+8=27', '61-27=34'] Exploring Operation: 47-34=13, Resulting Numbers: [13] 13,44 unequal: No Solution Exploring Operation: 47*34=1598, Resulting Numbers: [1598] 1598,44 unequal: No Solution Exploring Operation: 47+34=81, Resulting Numbers: [81] 81,44 unequal: No Solution Moving to Node #0,2,2 Current State: 44:[47, 34], Operations: ['61-8=53', '53-19=34'] Exploring Operation: 47-34=13, Resulting Numbers: [13] 13,44 unequal: No Solution Exploring Operation: 47*34=1598, Resulting Numbers: [1598] 1598,44 unequal: No Solution Exploring Operation: 47+34=81, Resulting Numbers: [81] 81,44 unequal: No Solution Moving to Node #0,2,1 Current State: 44:[53, 28], Operations: ['61-8=53', '47-19=28'] Exploring Operation: 53+28=81, Resulting Numbers: [81] 81,44 unequal: No Solution Exploring Operation: 53-28=25, Resulting Numbers: [25] 25,44 unequal: No Solution Exploring Operation: 53*28=1484, Resulting Numbers: [1484] 1484,44 unequal: No Solution Moving to Node #0,1,3 Current State: 44:[61, 20], Operations: ['19+8=27', '47-27=20'] Exploring Operation: 61-20=41, Resulting Numbers: [41] 41,44 unequal: No Solution Exploring Operation: 61*20=1220, Resulting Numbers: [1220] 1220,44 unequal: No Solution Exploring Operation: 61+20=81, Resulting Numbers: [81] 81,44 unequal: No Solution Moving to Node #0,2,4 Current State: 44:[53, 66], Operations: ['61-8=53', '19+47=66'] Exploring Operation: 53+66=119, Resulting Numbers: [119] 119,44 unequal: No Solution Exploring Operation: 53*66=3498, Resulting Numbers: [3498] 3498,44 unequal: No Solution Exploring Operation: 66-53=13, Resulting Numbers: [13] 13,44 unequal: No Solution Moving to Node #0,2,0 Current State: 44:[47, 72], Operations: ['61-8=53', '19+53=72'] Exploring Operation: 47*72=3384, Resulting Numbers: [3384] 3384,44 unequal: No Solution Exploring Operation: 72-47=25, Resulting Numbers: [25] 25,44 unequal: No Solution Exploring Operation: 47+72=119, Resulting Numbers: [119] 119,44 unequal: No Solution Moving to Node #0,1,2 Current State: 44:[47, 88], Operations: ['19+8=27', '61+27=88'] Exploring Operation: 47+88=135, Resulting Numbers: [135] 135,44 unequal: No Solution Exploring Operation: 88-47=41, Resulting Numbers: [41] 41,44 unequal: No Solution Exploring Operation: 47*88=4136, Resulting Numbers: [4136] 4136,44 unequal: No Solution Moving to Node #0,1,0 Current State: 44:[61, 74], Operations: ['19+8=27', '47+27=74'] Exploring Operation: 61*74=4514, Resulting Numbers: [4514] 4514,44 unequal: No Solution Exploring Operation: 74-61=13, Resulting Numbers: [13] 13,44 unequal: No Solution Exploring Operation: 61+74=135, Resulting Numbers: [135] 135,44 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 48, 24, 23, 17 ]
11
[ "48/24=2", "17*2=34", "34-23=11" ]
Current State: 11:[48, 24, 23, 17], Operations: [] Exploring Operation: 48/24=2, Resulting Numbers: [23, 17, 2] Generated Node #2: [23, 17, 2] from Operation: 48/24=2 Current State: 11:[23, 17, 2], Operations: ['48/24=2'] Exploring Operation: 17*2=34, Resulting Numbers: [23, 34] Generated Node #3: [23, 34] from Operation: 17*2=34 Current State: 11:[23, 34], Operations: ['48/24=2', '17*2=34'] Exploring Operation: 34-23=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[48, 24, 23, 17], Operations: [] Exploring Operation: 48/24=2, Resulting Numbers: [23, 17, 2] Generated Node #0,0: 11:[23, 17, 2] Operation: 48/24=2 Exploring Operation: 48-23=25, Resulting Numbers: [24, 17, 25] Generated Node #0,1: 11:[24, 17, 25] Operation: 48-23=25 Exploring Operation: 48-17=31, Resulting Numbers: [24, 23, 31] Generated Node #0,2: 11:[24, 23, 31] Operation: 48-17=31 Exploring Operation: 48-24=24, Resulting Numbers: [23, 17, 24] Generated Node #0,3: 11:[23, 17, 24] Operation: 48-24=24 Moving to Node #0,0 Current State: 11:[23, 17, 2], Operations: ['48/24=2'] Exploring Operation: 23-17=6, Resulting Numbers: [2, 6] Generated Node #0,0,0: 11:[2, 6] Operation: 23-17=6 Exploring Operation: 17-2=15, Resulting Numbers: [23, 15] Generated Node #0,0,1: 11:[23, 15] Operation: 17-2=15 Exploring Operation: 23-2=21, Resulting Numbers: [17, 21] Generated Node #0,0,2: 11:[17, 21] Operation: 23-2=21 Exploring Operation: 23+2=25, Resulting Numbers: [17, 25] Generated Node #0,0,3: 11:[17, 25] Operation: 23+2=25 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 11:[2, 6], Operations: ['48/24=2', '23-17=6'] Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,11 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,11 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,11 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 11:[23, 15], Operations: ['48/24=2', '17-2=15'] Exploring Operation: 23-15=8, Resulting Numbers: [8] 8,11 unequal: No Solution Exploring Operation: 23+15=38, Resulting Numbers: [38] 38,11 unequal: No Solution Exploring Operation: 23*15=345, Resulting Numbers: [345] 345,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 11:[17, 21], Operations: ['48/24=2', '23-2=21'] Exploring Operation: 17*21=357, Resulting Numbers: [357] 357,11 unequal: No Solution Exploring Operation: 17+21=38, Resulting Numbers: [38] 38,11 unequal: No Solution Exploring Operation: 21-17=4, Resulting Numbers: [4] 4,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 11:[17, 25], Operations: ['48/24=2', '23+2=25'] Exploring Operation: 17+25=42, Resulting Numbers: [42] 42,11 unequal: No Solution Exploring Operation: 25-17=8, Resulting Numbers: [8] 8,11 unequal: No Solution Exploring Operation: 17*25=425, Resulting Numbers: [425] 425,11 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: 11:[23, 17, 24], Operations: ['48-24=24'] Exploring Operation: 24-23=1, Resulting Numbers: [17, 1] Generated Node #0,3,0: 11:[17, 1] Operation: 24-23=1 Exploring Operation: 23+17=40, Resulting Numbers: [24, 40] Generated Node #0,3,1: 11:[24, 40] Operation: 23+17=40 Exploring Operation: 23-17=6, Resulting Numbers: [24, 6] Generated Node #0,3,2: 11:[24, 6] Operation: 23-17=6 Exploring Operation: 24-17=7, Resulting Numbers: [23, 7] Generated Node #0,3,3: 11:[23, 7] Operation: 24-17=7 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 11:[17, 1], Operations: ['48-24=24', '24-23=1'] Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,11 unequal: No Solution Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,11 unequal: No Solution Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 11:[23, 7], Operations: ['48-24=24', '24-17=7'] Exploring Operation: 23*7=161, Resulting Numbers: [161] 161,11 unequal: No Solution Exploring Operation: 23+7=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 11:[24, 6], Operations: ['48-24=24', '23-17=6'] Exploring Operation: 24+6=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,11 unequal: No Solution Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,11 unequal: No Solution Exploring Operation: 24*6=144, Resulting Numbers: [144] 144,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 11:[24, 40], Operations: ['48-24=24', '23+17=40'] Exploring Operation: 24*40=960, Resulting Numbers: [960] 960,11 unequal: No Solution Exploring Operation: 40-24=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 24+40=64, Resulting Numbers: [64] 64,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 11:[24, 17, 25], Operations: ['48-23=25'] Exploring Operation: 25-24=1, Resulting Numbers: [17, 1] Generated Node #0,1,0: 11:[17, 1] Operation: 25-24=1 Exploring Operation: 24-17=7, Resulting Numbers: [25, 7] Generated Node #0,1,1: 11:[25, 7] Operation: 24-17=7 Exploring Operation: 25-17=8, Resulting Numbers: [24, 8] Generated Node #0,1,2: 11:[24, 8] Operation: 25-17=8 Exploring Operation: 24+17=41, Resulting Numbers: [25, 41] Generated Node #0,1,3: 11:[25, 41] Operation: 24+17=41 Moving to Node #0,2 Current State: 11:[24, 23, 31], Operations: ['48-17=31'] Exploring Operation: 31-24=7, Resulting Numbers: [23, 7] Generated Node #0,2,0: 11:[23, 7] Operation: 31-24=7 Exploring Operation: 24+23=47, Resulting Numbers: [31, 47] Generated Node #0,2,1: 11:[31, 47] Operation: 24+23=47 Exploring Operation: 24-23=1, Resulting Numbers: [31, 1] Generated Node #0,2,2: 11:[31, 1] Operation: 24-23=1 Exploring Operation: 31-23=8, Resulting Numbers: [24, 8] Generated Node #0,2,3: 11:[24, 8] Operation: 31-23=8 Moving to Node #0,1,0 Current State: 11:[17, 1], Operations: ['48-23=25', '25-24=1'] Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,11 unequal: No Solution Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,11 unequal: No Solution Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,11 unequal: No Solution Moving to Node #0,2,3 Current State: 11:[24, 8], Operations: ['48-17=31', '31-23=8'] Exploring Operation: 24+8=32, Resulting Numbers: [32] 32,11 unequal: No Solution Exploring Operation: 24*8=192, Resulting Numbers: [192] 192,11 unequal: No Solution Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,11 unequal: No Solution Moving to Node #0,1,2 Current State: 11:[24, 8], Operations: ['48-23=25', '25-17=8'] Exploring Operation: 24*8=192, Resulting Numbers: [192] 192,11 unequal: No Solution Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,11 unequal: No Solution Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 24+8=32, Resulting Numbers: [32] 32,11 unequal: No Solution Moving to Node #0,2,0 Current State: 11:[23, 7], Operations: ['48-17=31', '31-24=7'] Exploring Operation: 23+7=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 23*7=161, Resulting Numbers: [161] 161,11 unequal: No Solution Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,11 unequal: No Solution Moving to Node #0,1,1 Current State: 11:[25, 7], Operations: ['48-23=25', '24-17=7'] Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,11 unequal: No Solution Exploring Operation: 25*7=175, Resulting Numbers: [175] 175,11 unequal: No Solution Exploring Operation: 25+7=32, Resulting Numbers: [32] 32,11 unequal: No Solution Moving to Node #0,2,2 Current State: 11:[31, 1], Operations: ['48-17=31', '24-23=1'] Exploring Operation: 31/1=31, Resulting Numbers: [31] 31,11 unequal: No Solution Exploring Operation: 31-1=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 31*1=31, Resulting Numbers: [31] 31,11 unequal: No Solution Exploring Operation: 31+1=32, Resulting Numbers: [32] 32,11 unequal: No Solution Moving to Node #0,1,3 Current State: 11:[25, 41], Operations: ['48-23=25', '24+17=41'] Exploring Operation: 41-25=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 25+41=66, Resulting Numbers: [66] 66,11 unequal: No Solution Exploring Operation: 25*41=1025, Resulting Numbers: [1025] 1025,11 unequal: No Solution Moving to Node #0,2,1 Current State: 11:[31, 47], Operations: ['48-17=31', '24+23=47'] Exploring Operation: 47-31=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 31+47=78, Resulting Numbers: [78] 78,11 unequal: No Solution Exploring Operation: 31*47=1457, Resulting Numbers: [1457] 1457,11 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 63, 8, 79, 11 ]
72
[ "79-63=16", "8*11=88", "88-16=72" ]
Current State: 72:[63, 8, 79, 11], Operations: [] Exploring Operation: 79-63=16, Resulting Numbers: [8, 11, 16] Generated Node #2: [8, 11, 16] from Operation: 79-63=16 Current State: 72:[8, 11, 16], Operations: ['79-63=16'] Exploring Operation: 8*11=88, Resulting Numbers: [16, 88] Generated Node #3: [16, 88] from Operation: 8*11=88 Current State: 72:[16, 88], Operations: ['79-63=16', '8*11=88'] Exploring Operation: 88-16=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[63, 8, 79, 11], Operations: [] Exploring Operation: 63+11=74, Resulting Numbers: [8, 79, 74] Generated Node #0,0: 72:[8, 79, 74] Operation: 63+11=74 Exploring Operation: 63+8=71, Resulting Numbers: [79, 11, 71] Generated Node #0,1: 72:[79, 11, 71] Operation: 63+8=71 Exploring Operation: 79-63=16, Resulting Numbers: [8, 11, 16] Generated Node #0,2: 72:[8, 11, 16] Operation: 79-63=16 Start Sub Search at level 1: Moving to Node #0,2 Current State: 72:[8, 11, 16], Operations: ['79-63=16'] Exploring Operation: 16/8=2, Resulting Numbers: [11, 2] Generated Node #0,2,0: 72:[11, 2] Operation: 16/8=2 Exploring Operation: 8+16=24, Resulting Numbers: [11, 24] Generated Node #0,2,1: 72:[11, 24] Operation: 8+16=24 Exploring Operation: 16-8=8, Resulting Numbers: [11, 8] Generated Node #0,2,2: 72:[11, 8] Operation: 16-8=8 Moving to Node #0,2,0 Current State: 72:[11, 2], Operations: ['79-63=16', '16/8=2'] Exploring Operation: 11+2=13, Resulting Numbers: [13] 13,72 unequal: No Solution Exploring Operation: 11*2=22, Resulting Numbers: [22] 22,72 unequal: No Solution Exploring Operation: 11-2=9, Resulting Numbers: [9] 9,72 unequal: No Solution Moving to Node #0,2,1 Current State: 72:[11, 24], Operations: ['79-63=16', '8+16=24'] Exploring Operation: 11*24=264, Resulting Numbers: [264] 264,72 unequal: No Solution Exploring Operation: 11+24=35, Resulting Numbers: [35] 35,72 unequal: No Solution Exploring Operation: 24-11=13, Resulting Numbers: [13] 13,72 unequal: No Solution Moving to Node #0,2,2 Current State: 72:[11, 8], Operations: ['79-63=16', '16-8=8'] Exploring Operation: 11*8=88, Resulting Numbers: [88] 88,72 unequal: No Solution Exploring Operation: 11+8=19, Resulting Numbers: [19] 19,72 unequal: No Solution Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[8, 79, 74], Operations: ['63+11=74'] Exploring Operation: 79-74=5, Resulting Numbers: [8, 5] Generated Node #0,0,0: 72:[8, 5] Operation: 79-74=5 Exploring Operation: 74-8=66, Resulting Numbers: [79, 66] Generated Node #0,0,1: 72:[79, 66] Operation: 74-8=66 Exploring Operation: 79-8=71, Resulting Numbers: [74, 71] Generated Node #0,0,2: 72:[74, 71] Operation: 79-8=71 Moving to Node #0,0,0 Current State: 72:[8, 5], Operations: ['63+11=74', '79-74=5'] Exploring Operation: 8+5=13, Resulting Numbers: [13] 13,72 unequal: No Solution Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,72 unequal: No Solution Exploring Operation: 8*5=40, Resulting Numbers: [40] 40,72 unequal: No Solution Moving to Node #0,0,2 Current State: 72:[74, 71], Operations: ['63+11=74', '79-8=71'] Exploring Operation: 74*71=5254, Resulting Numbers: [5254] 5254,72 unequal: No Solution Exploring Operation: 74+71=145, Resulting Numbers: [145] 145,72 unequal: No Solution Exploring Operation: 74-71=3, Resulting Numbers: [3] 3,72 unequal: No Solution Moving to Node #0,0,1 Current State: 72:[79, 66], Operations: ['63+11=74', '74-8=66'] Exploring Operation: 79-66=13, Resulting Numbers: [13] 13,72 unequal: No Solution Exploring Operation: 79+66=145, Resulting Numbers: [145] 145,72 unequal: No Solution Exploring Operation: 79*66=5214, Resulting Numbers: [5214] 5214,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[79, 11, 71], Operations: ['63+8=71'] Exploring Operation: 79-11=68, Resulting Numbers: [71, 68] Generated Node #0,1,0: 72:[71, 68] Operation: 79-11=68 Exploring Operation: 79-71=8, Resulting Numbers: [11, 8] Generated Node #0,1,1: 72:[11, 8] Operation: 79-71=8 Exploring Operation: 11+71=82, Resulting Numbers: [79, 82] Generated Node #0,1,2: 72:[79, 82] Operation: 11+71=82 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 72:[11, 8], Operations: ['63+8=71', '79-71=8'] Exploring Operation: 11+8=19, Resulting Numbers: [19] 19,72 unequal: No Solution Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,72 unequal: No Solution Exploring Operation: 11*8=88, Resulting Numbers: [88] 88,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 72:[71, 68], Operations: ['63+8=71', '79-11=68'] Exploring Operation: 71-68=3, Resulting Numbers: [3] 3,72 unequal: No Solution Exploring Operation: 71+68=139, Resulting Numbers: [139] 139,72 unequal: No Solution Exploring Operation: 71*68=4828, Resulting Numbers: [4828] 4828,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 72:[79, 82], Operations: ['63+8=71', '11+71=82'] Exploring Operation: 79+82=161, Resulting Numbers: [161] 161,72 unequal: No Solution Exploring Operation: 82-79=3, Resulting Numbers: [3] 3,72 unequal: No Solution Exploring Operation: 79*82=6478, Resulting Numbers: [6478] 6478,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 48, 9, 38, 2 ]
52
[ "48+38=86", "86/2=43", "9+43=52" ]
Current State: 52:[48, 9, 38, 2], Operations: [] Exploring Operation: 48+38=86, Resulting Numbers: [9, 2, 86] Generated Node #2: [9, 2, 86] from Operation: 48+38=86 Current State: 52:[9, 2, 86], Operations: ['48+38=86'] Exploring Operation: 86/2=43, Resulting Numbers: [9, 43] Generated Node #3: [9, 43] from Operation: 86/2=43 Current State: 52:[9, 43], Operations: ['48+38=86', '86/2=43'] Exploring Operation: 9+43=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[48, 9, 38, 2], Operations: [] Exploring Operation: 38-9=29, Resulting Numbers: [48, 2, 29] Generated Node #0,0: 52:[48, 2, 29] Operation: 38-9=29 Exploring Operation: 38/2=19, Resulting Numbers: [48, 9, 19] Generated Node #0,1: 52:[48, 9, 19] Operation: 38/2=19 Exploring Operation: 48-38=10, Resulting Numbers: [9, 2, 10] Generated Node #0,2: 52:[9, 2, 10] Operation: 48-38=10 Exploring Operation: 9+38=47, Resulting Numbers: [48, 2, 47] Generated Node #0,3: 52:[48, 2, 47] Operation: 9+38=47 Moving to Node #0,0 Current State: 52:[48, 2, 29], Operations: ['38-9=29'] Exploring Operation: 48/2=24, Resulting Numbers: [29, 24] Generated Node #0,0,0: 52:[29, 24] Operation: 48/2=24 Exploring Operation: 48-29=19, Resulting Numbers: [2, 19] Generated Node #0,0,1: 52:[2, 19] Operation: 48-29=19 Exploring Operation: 29-2=27, Resulting Numbers: [48, 27] Generated Node #0,0,2: 52:[48, 27] Operation: 29-2=27 Exploring Operation: 48+2=50, Resulting Numbers: [29, 50] Generated Node #0,0,3: 52:[29, 50] Operation: 48+2=50 Moving to Node #0,2 Current State: 52:[9, 2, 10], Operations: ['48-38=10'] Exploring Operation: 2+10=12, Resulting Numbers: [9, 12] Generated Node #0,2,0: 52:[9, 12] Operation: 2+10=12 Exploring Operation: 9+2=11, Resulting Numbers: [10, 11] Generated Node #0,2,1: 52:[10, 11] Operation: 9+2=11 Exploring Operation: 10/2=5, Resulting Numbers: [9, 5] Generated Node #0,2,2: 52:[9, 5] Operation: 10/2=5 Exploring Operation: 10-9=1, Resulting Numbers: [2, 1] Generated Node #0,2,3: 52:[2, 1] Operation: 10-9=1 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 52:[2, 1], Operations: ['48-38=10', '10-9=1'] Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,52 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,52 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 #0,2,0 Current State: 52:[9, 12], Operations: ['48-38=10', '2+10=12'] Exploring Operation: 9+12=21, Resulting Numbers: [21] 21,52 unequal: No Solution Exploring Operation: 12-9=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 9*12=108, Resulting Numbers: [108] 108,52 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 #0,2,1 Current State: 52:[10, 11], Operations: ['48-38=10', '9+2=11'] Exploring Operation: 10*11=110, Resulting Numbers: [110] 110,52 unequal: No Solution Exploring Operation: 10+11=21, Resulting Numbers: [21] 21,52 unequal: No Solution Exploring Operation: 11-10=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 #0,2,2 Current State: 52:[9, 5], Operations: ['48-38=10', '10/2=5'] Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,52 unequal: No Solution Exploring Operation: 9*5=45, Resulting Numbers: [45] 45,52 unequal: No Solution Exploring Operation: 9+5=14, Resulting Numbers: [14] 14,52 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: 52:[48, 2, 47], Operations: ['9+38=47'] Exploring Operation: 48+2=50, Resulting Numbers: [47, 50] Generated Node #0,3,0: 52:[47, 50] Operation: 48+2=50 Exploring Operation: 2+47=49, Resulting Numbers: [48, 49] Generated Node #0,3,1: 52:[48, 49] Operation: 2+47=49 Exploring Operation: 48-47=1, Resulting Numbers: [2, 1] Generated Node #0,3,2: 52:[2, 1] Operation: 48-47=1 Exploring Operation: 48/2=24, Resulting Numbers: [47, 24] Generated Node #0,3,3: 52:[47, 24] Operation: 48/2=24 Moving to Node #0,1 Current State: 52:[48, 9, 19], Operations: ['38/2=19'] Exploring Operation: 19-9=10, Resulting Numbers: [48, 10] Generated Node #0,1,0: 52:[48, 10] Operation: 19-9=10 Exploring Operation: 48-19=29, Resulting Numbers: [9, 29] Generated Node #0,1,1: 52:[9, 29] Operation: 48-19=29 Exploring Operation: 48+9=57, Resulting Numbers: [19, 57] Generated Node #0,1,2: 52:[19, 57] Operation: 48+9=57 Exploring Operation: 9+19=28, Resulting Numbers: [48, 28] Generated Node #0,1,3: 52:[48, 28] Operation: 9+19=28 Moving to Node #0,3,2 Current State: 52:[2, 1], Operations: ['9+38=47', '48-47=1'] Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,52 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,52 unequal: No Solution Moving to Node #0,0,3 Current State: 52:[29, 50], Operations: ['38-9=29', '48+2=50'] Exploring Operation: 50-29=21, Resulting Numbers: [21] 21,52 unequal: No Solution Exploring Operation: 29+50=79, Resulting Numbers: [79] 79,52 unequal: No Solution Exploring Operation: 29*50=1450, Resulting Numbers: [1450] 1450,52 unequal: No Solution Moving to Node #0,0,0 Current State: 52:[29, 24], Operations: ['38-9=29', '48/2=24'] Exploring Operation: 29-24=5, Resulting Numbers: [5] 5,52 unequal: No Solution Exploring Operation: 29*24=696, Resulting Numbers: [696] 696,52 unequal: No Solution Exploring Operation: 29+24=53, Resulting Numbers: [53] 53,52 unequal: No Solution Moving to Node #0,0,2 Current State: 52:[48, 27], Operations: ['38-9=29', '29-2=27'] Exploring Operation: 48*27=1296, Resulting Numbers: [1296] 1296,52 unequal: No Solution Exploring Operation: 48-27=21, Resulting Numbers: [21] 21,52 unequal: No Solution Exploring Operation: 48+27=75, Resulting Numbers: [75] 75,52 unequal: No Solution Moving to Node #0,0,1 Current State: 52:[2, 19], Operations: ['38-9=29', '48-29=19'] Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,52 unequal: No Solution Exploring Operation: 2+19=21, Resulting Numbers: [21] 21,52 unequal: No Solution Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,52 unequal: No Solution Moving to Node #0,1,3 Current State: 52:[48, 28], Operations: ['38/2=19', '9+19=28'] Exploring Operation: 48*28=1344, Resulting Numbers: [1344] 1344,52 unequal: No Solution Exploring Operation: 48+28=76, Resulting Numbers: [76] 76,52 unequal: No Solution Exploring Operation: 48-28=20, Resulting Numbers: [20] 20,52 unequal: No Solution Moving to Node #0,3,1 Current State: 52:[48, 49], Operations: ['9+38=47', '2+47=49'] Exploring Operation: 49-48=1, Resulting Numbers: [1] 1,52 unequal: No Solution Exploring Operation: 48*49=2352, Resulting Numbers: [2352] 2352,52 unequal: No Solution Exploring Operation: 48+49=97, Resulting Numbers: [97] 97,52 unequal: No Solution Moving to Node #0,3,0 Current State: 52:[47, 50], Operations: ['9+38=47', '48+2=50'] Exploring Operation: 47*50=2350, Resulting Numbers: [2350] 2350,52 unequal: No Solution Exploring Operation: 50-47=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 47+50=97, Resulting Numbers: [97] 97,52 unequal: No Solution Moving to Node #0,1,0 Current State: 52:[48, 10], Operations: ['38/2=19', '19-9=10'] Exploring Operation: 48-10=38, Resulting Numbers: [38] 38,52 unequal: No Solution Exploring Operation: 48+10=58, Resulting Numbers: [58] 58,52 unequal: No Solution Exploring Operation: 48*10=480, Resulting Numbers: [480] 480,52 unequal: No Solution Moving to Node #0,3,3 Current State: 52:[47, 24], Operations: ['9+38=47', '48/2=24'] Exploring Operation: 47-24=23, Resulting Numbers: [23] 23,52 unequal: No Solution Exploring Operation: 47*24=1128, Resulting Numbers: [1128] 1128,52 unequal: No Solution Exploring Operation: 47+24=71, Resulting Numbers: [71] 71,52 unequal: No Solution Moving to Node #0,1,1 Current State: 52:[9, 29], Operations: ['38/2=19', '48-19=29'] Exploring Operation: 9*29=261, Resulting Numbers: [261] 261,52 unequal: No Solution Exploring Operation: 29-9=20, Resulting Numbers: [20] 20,52 unequal: No Solution Exploring Operation: 9+29=38, Resulting Numbers: [38] 38,52 unequal: No Solution Moving to Node #0,1,2 Current State: 52:[19, 57], Operations: ['38/2=19', '48+9=57'] Exploring Operation: 57-19=38, Resulting Numbers: [38] 38,52 unequal: No Solution Exploring Operation: 57/19=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 19+57=76, Resulting Numbers: [76] 76,52 unequal: No Solution Exploring Operation: 19*57=1083, Resulting Numbers: [1083] 1083,52 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 51, 41, 6, 79 ]
78
[ "51+41=92", "92-79=13", "6*13=78" ]
Current State: 78:[51, 41, 6, 79], Operations: [] Exploring Operation: 51+41=92, Resulting Numbers: [6, 79, 92] Generated Node #2: [6, 79, 92] from Operation: 51+41=92 Current State: 78:[6, 79, 92], Operations: ['51+41=92'] Exploring Operation: 92-79=13, Resulting Numbers: [6, 13] Generated Node #3: [6, 13] from Operation: 92-79=13 Current State: 78:[6, 13], Operations: ['51+41=92', '92-79=13'] Exploring Operation: 6*13=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[51, 41, 6, 79], Operations: [] Exploring Operation: 79-51=28, Resulting Numbers: [41, 6, 28] Generated Node #0,0: 78:[41, 6, 28] Operation: 79-51=28 Exploring Operation: 51-41=10, Resulting Numbers: [6, 79, 10] Generated Node #0,1: 78:[6, 79, 10] Operation: 51-41=10 Exploring Operation: 51-6=45, Resulting Numbers: [41, 79, 45] Generated Node #0,2: 78:[41, 79, 45] Operation: 51-6=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[41, 6, 28], Operations: ['79-51=28'] Exploring Operation: 28-6=22, Resulting Numbers: [41, 22] Generated Node #0,0,0: 78:[41, 22] Operation: 28-6=22 Exploring Operation: 41-28=13, Resulting Numbers: [6, 13] Generated Node #0,0,1: 78:[6, 13] Operation: 41-28=13 Exploring Operation: 41-6=35, Resulting Numbers: [28, 35] Generated Node #0,0,2: 78:[28, 35] Operation: 41-6=35 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 78:[6, 13], Operations: ['79-51=28', '41-28=13'] Exploring Operation: 6+13=19, Resulting Numbers: [19] 19,78 unequal: No Solution Exploring Operation: 6*13=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[51, 41, 6, 79], Operations: [] Exploring Operation: 79-51=28, Resulting Numbers: [41, 6, 28] Generated Node #0,0: 78:[41, 6, 28] Operation: 79-51=28 Moving to Node #0,0 Current State: 78:[41, 6, 28], Operations: ['79-51=28'] Exploring Operation: 41-28=13, Resulting Numbers: [6, 13] Generated Node #0,0,1: 78:[6, 13] Operation: 41-28=13 Moving to Node #0,0,1 Current State: 78:[6, 13], Operations: ['79-51=28', '41-28=13'] Exploring Operation: 6*13=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 40, 91, 27, 45 ]
59
[ "40+91=131", "27+45=72", "131-72=59" ]
Current State: 59:[40, 91, 27, 45], Operations: [] Exploring Operation: 40+91=131, Resulting Numbers: [27, 45, 131] Generated Node #2: [27, 45, 131] from Operation: 40+91=131 Current State: 59:[27, 45, 131], Operations: ['40+91=131'] Exploring Operation: 27+45=72, Resulting Numbers: [131, 72] Generated Node #3: [131, 72] from Operation: 27+45=72 Current State: 59:[131, 72], Operations: ['40+91=131', '27+45=72'] Exploring Operation: 131-72=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[40, 91, 27, 45], Operations: [] Exploring Operation: 40+27=67, Resulting Numbers: [91, 45, 67] Generated Node #0,0: 59:[91, 45, 67] Operation: 40+27=67 Exploring Operation: 91-40=51, Resulting Numbers: [27, 45, 51] Generated Node #0,1: 59:[27, 45, 51] Operation: 91-40=51 Exploring Operation: 91-45=46, Resulting Numbers: [40, 27, 46] Generated Node #0,2: 59:[40, 27, 46] Operation: 91-45=46 Exploring Operation: 91-27=64, Resulting Numbers: [40, 45, 64] Generated Node #0,3: 59:[40, 45, 64] Operation: 91-27=64 Start Sub Search at level 1: Moving to Node #0,3 Current State: 59:[40, 45, 64], Operations: ['91-27=64'] Exploring Operation: 45-40=5, Resulting Numbers: [64, 5] Generated Node #0,3,0: 59:[64, 5] Operation: 45-40=5 Exploring Operation: 40+45=85, Resulting Numbers: [64, 85] Generated Node #0,3,1: 59:[64, 85] Operation: 40+45=85 Exploring Operation: 64-40=24, Resulting Numbers: [45, 24] Generated Node #0,3,2: 59:[45, 24] Operation: 64-40=24 Exploring Operation: 40+64=104, Resulting Numbers: [45, 104] Generated Node #0,3,3: 59:[45, 104] Operation: 40+64=104 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 59:[64, 85], Operations: ['91-27=64', '40+45=85'] Exploring Operation: 64*85=5440, Resulting Numbers: [5440] 5440,59 unequal: No Solution Exploring Operation: 64+85=149, Resulting Numbers: [149] 149,59 unequal: No Solution Exploring Operation: 85-64=21, Resulting Numbers: [21] 21,59 unequal: No Solution No 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: 59:[45, 24], Operations: ['91-27=64', '64-40=24'] Exploring Operation: 45+24=69, Resulting Numbers: [69] 69,59 unequal: No Solution Exploring Operation: 45-24=21, Resulting Numbers: [21] 21,59 unequal: No Solution Exploring Operation: 45*24=1080, Resulting Numbers: [1080] 1080,59 unequal: No Solution No 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: 59:[64, 5], Operations: ['91-27=64', '45-40=5'] Exploring Operation: 64+5=69, Resulting Numbers: [69] 69,59 unequal: No Solution Exploring Operation: 64*5=320, Resulting Numbers: [320] 320,59 unequal: No Solution Exploring Operation: 64-5=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[40, 91, 27, 45], Operations: [] Exploring Operation: 91-27=64, Resulting Numbers: [40, 45, 64] Generated Node #0,3: 59:[40, 45, 64] Operation: 91-27=64 Moving to Node #0,3 Current State: 59:[40, 45, 64], Operations: ['91-27=64'] Exploring Operation: 45-40=5, Resulting Numbers: [64, 5] Generated Node #0,3,0: 59:[64, 5] Operation: 45-40=5 Moving to Node #0,3,0 Current State: 59:[64, 5], Operations: ['91-27=64', '45-40=5'] Exploring Operation: 64-5=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.981771
hs_4
sum_heuristic
[ 60, 3, 7, 95 ]
82
[ "60/3=20", "7+95=102", "102-20=82" ]
Current State: 82:[60, 3, 7, 95], Operations: [] Exploring Operation: 60/3=20, Resulting Numbers: [7, 95, 20] Generated Node #2: [7, 95, 20] from Operation: 60/3=20 Current State: 82:[7, 95, 20], Operations: ['60/3=20'] Exploring Operation: 7+95=102, Resulting Numbers: [20, 102] Generated Node #3: [20, 102] from Operation: 7+95=102 Current State: 82:[20, 102], Operations: ['60/3=20', '7+95=102'] Exploring Operation: 102-20=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[60, 3, 7, 95], Operations: [] Exploring Operation: 95-60=35, Resulting Numbers: [3, 7, 35] Generated Node #0,0: 82:[3, 7, 35] Operation: 95-60=35 Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[3, 7, 35], Operations: ['95-60=35'] Exploring Operation: 7+35=42, Resulting Numbers: [3, 42] Generated Node #0,0,0: 82:[3, 42] Operation: 7+35=42 Moving to Node #0,0,0 Current State: 82:[3, 42], Operations: ['95-60=35', '7+35=42'] Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,82 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
[ 72, 78, 63, 30 ]
12
[ "72-63=9", "78+30=108", "108/9=12" ]
Current State: 12:[72, 78, 63, 30], Operations: [] Exploring Operation: 72-63=9, Resulting Numbers: [78, 30, 9] Generated Node #2: [78, 30, 9] from Operation: 72-63=9 Current State: 12:[78, 30, 9], Operations: ['72-63=9'] Exploring Operation: 78+30=108, Resulting Numbers: [9, 108] Generated Node #3: [9, 108] from Operation: 78+30=108 Current State: 12:[9, 108], Operations: ['72-63=9', '78+30=108'] Exploring Operation: 108/9=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[72, 78, 63, 30], Operations: [] Exploring Operation: 78-72=6, Resulting Numbers: [63, 30, 6] Generated Node #0,0: 12:[63, 30, 6] Operation: 78-72=6 Moving to Node #0,0 Current State: 12:[63, 30, 6], Operations: ['78-72=6'] Exploring Operation: 63-30=33, Resulting Numbers: [6, 33] Generated Node #0,0,0: 12:[6, 33] Operation: 63-30=33 Moving to Node #0,0,0 Current State: 12:[6, 33], Operations: ['78-72=6', '63-30=33'] Exploring Operation: 33-6=27, Resulting Numbers: [27] 27,12 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 72, 91, 28, 73 ]
64
[ "91-72=19", "73-28=45", "19+45=64" ]
Current State: 64:[72, 91, 28, 73], Operations: [] Exploring Operation: 91-72=19, Resulting Numbers: [28, 73, 19] Generated Node #2: [28, 73, 19] from Operation: 91-72=19 Current State: 64:[28, 73, 19], Operations: ['91-72=19'] Exploring Operation: 73-28=45, Resulting Numbers: [19, 45] Generated Node #3: [19, 45] from Operation: 73-28=45 Current State: 64:[19, 45], Operations: ['91-72=19', '73-28=45'] Exploring Operation: 19+45=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[72, 91, 28, 73], Operations: [] Exploring Operation: 91-73=18, Resulting Numbers: [72, 28, 18] Generated Node #0,0: 64:[72, 28, 18] Operation: 91-73=18 Moving to Node #0,0 Current State: 64:[72, 28, 18], Operations: ['91-73=18'] Exploring Operation: 72/18=4, Resulting Numbers: [28, 4] Generated Node #0,0,0: 64:[28, 4] Operation: 72/18=4 Moving to Node #0,0,0 Current State: 64:[28, 4], Operations: ['91-73=18', '72/18=4'] Exploring Operation: 28+4=32, Resulting Numbers: [32] 32,64 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 99, 52, 46, 87 ]
87
[ "99-52=47", "47-46=1", "87*1=87" ]
Current State: 87:[99, 52, 46, 87], Operations: [] Exploring Operation: 99-52=47, Resulting Numbers: [46, 87, 47] Generated Node #2: [46, 87, 47] from Operation: 99-52=47 Current State: 87:[46, 87, 47], Operations: ['99-52=47'] Exploring Operation: 47-46=1, Resulting Numbers: [87, 1] Generated Node #3: [87, 1] from Operation: 47-46=1 Current State: 87:[87, 1], Operations: ['99-52=47', '47-46=1'] Exploring Operation: 87*1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[99, 52, 46, 87], Operations: [] Exploring Operation: 52+46=98, Resulting Numbers: [99, 87, 98] Generated Node #0,0: 87:[99, 87, 98] Operation: 52+46=98 Exploring Operation: 99-52=47, Resulting Numbers: [46, 87, 47] Generated Node #0,1: 87:[46, 87, 47] Operation: 99-52=47 Exploring Operation: 52-46=6, Resulting Numbers: [99, 87, 6] Generated Node #0,2: 87:[99, 87, 6] Operation: 52-46=6 Moving to Node #0,2 Current State: 87:[99, 87, 6], Operations: ['52-46=6'] Exploring Operation: 99-87=12, Resulting Numbers: [6, 12] Generated Node #0,2,0: 87:[6, 12] Operation: 99-87=12 Exploring Operation: 99+6=105, Resulting Numbers: [87, 105] Generated Node #0,2,1: 87:[87, 105] Operation: 99+6=105 Exploring Operation: 99-6=93, Resulting Numbers: [87, 93] Generated Node #0,2,2: 87:[87, 93] Operation: 99-6=93 Moving to Node #0,0 Current State: 87:[99, 87, 98], Operations: ['52+46=98'] Exploring Operation: 98-87=11, Resulting Numbers: [99, 11] Generated Node #0,0,0: 87:[99, 11] Operation: 98-87=11 Exploring Operation: 99-87=12, Resulting Numbers: [98, 12] Generated Node #0,0,1: 87:[98, 12] Operation: 99-87=12 Exploring Operation: 99-98=1, Resulting Numbers: [87, 1] Generated Node #0,0,2: 87:[87, 1] Operation: 99-98=1 Moving to Node #0,1 Current State: 87:[46, 87, 47], Operations: ['99-52=47'] Exploring Operation: 46+47=93, Resulting Numbers: [87, 93] Generated Node #0,1,0: 87:[87, 93] Operation: 46+47=93 Exploring Operation: 47-46=1, Resulting Numbers: [87, 1] Generated Node #0,1,1: 87:[87, 1] Operation: 47-46=1 Exploring Operation: 87-47=40, Resulting Numbers: [46, 40] Generated Node #0,1,2: 87:[46, 40] Operation: 87-47=40 Moving to Node #0,0,2 Current State: 87:[87, 1], Operations: ['52+46=98', '99-98=1'] Exploring Operation: 87*1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[99, 52, 46, 87], Operations: [] Exploring Operation: 52+46=98, Resulting Numbers: [99, 87, 98] Generated Node #0,0: 87:[99, 87, 98] Operation: 52+46=98 Moving to Node #0,0 Current State: 87:[99, 87, 98], Operations: ['52+46=98'] Exploring Operation: 99-98=1, Resulting Numbers: [87, 1] Generated Node #0,0,2: 87:[87, 1] Operation: 99-98=1 Moving to Node #0,0,2 Current State: 87:[87, 1], Operations: ['52+46=98', '99-98=1'] Exploring Operation: 87*1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
0.985243
hs_3
mult_heuristic
[ 73, 77, 14, 76 ]
94
[ "77-73=4", "14+76=90", "4+90=94" ]
Current State: 94:[73, 77, 14, 76], Operations: [] Exploring Operation: 77-73=4, Resulting Numbers: [14, 76, 4] Generated Node #2: [14, 76, 4] from Operation: 77-73=4 Current State: 94:[14, 76, 4], Operations: ['77-73=4'] Exploring Operation: 14+76=90, Resulting Numbers: [4, 90] Generated Node #3: [4, 90] from Operation: 14+76=90 Current State: 94:[4, 90], Operations: ['77-73=4', '14+76=90'] Exploring Operation: 4+90=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[73, 77, 14, 76], Operations: [] Exploring Operation: 77-76=1, Resulting Numbers: [73, 14, 1] Generated Node #0,0: 94:[73, 14, 1] Operation: 77-76=1 Exploring Operation: 77-73=4, Resulting Numbers: [14, 76, 4] Generated Node #0,1: 94:[14, 76, 4] Operation: 77-73=4 Exploring Operation: 76-73=3, Resulting Numbers: [77, 14, 3] Generated Node #0,2: 94:[77, 14, 3] Operation: 76-73=3 Start Sub Search at level 1: Moving to Node #0,2 Current State: 94:[77, 14, 3], Operations: ['76-73=3'] Exploring Operation: 77-14=63, Resulting Numbers: [3, 63] Generated Node #0,2,0: 94:[3, 63] Operation: 77-14=63 Exploring Operation: 14*3=42, Resulting Numbers: [77, 42] Generated Node #0,2,1: 94:[77, 42] Operation: 14*3=42 Exploring Operation: 77+14=91, Resulting Numbers: [3, 91] Generated Node #0,2,2: 94:[3, 91] Operation: 77+14=91 Moving to Node #0,2,2 Current State: 94:[3, 91], Operations: ['76-73=3', '77+14=91'] Exploring Operation: 91-3=88, Resulting Numbers: [88] 88,94 unequal: No Solution Exploring Operation: 3*91=273, Resulting Numbers: [273] 273,94 unequal: No Solution Exploring Operation: 3+91=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[73, 77, 14, 76], Operations: [] Exploring Operation: 76-73=3, Resulting Numbers: [77, 14, 3] Generated Node #0,2: 94:[77, 14, 3] Operation: 76-73=3 Moving to Node #0,2 Current State: 94:[77, 14, 3], Operations: ['76-73=3'] Exploring Operation: 77+14=91, Resulting Numbers: [3, 91] Generated Node #0,2,2: 94:[3, 91] Operation: 77+14=91 Moving to Node #0,2,2 Current State: 94:[3, 91], Operations: ['76-73=3', '77+14=91'] Exploring Operation: 3+91=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 50, 21, 83, 31 ]
100
[ "83-21=62", "50*62=3100", "3100/31=100" ]
Current State: 100:[50, 21, 83, 31], Operations: [] Exploring Operation: 83-21=62, Resulting Numbers: [50, 31, 62] Generated Node #2: [50, 31, 62] from Operation: 83-21=62 Current State: 100:[50, 31, 62], Operations: ['83-21=62'] Exploring Operation: 50*62=3100, Resulting Numbers: [31, 3100] Generated Node #3: [31, 3100] from Operation: 50*62=3100 Current State: 100:[31, 3100], Operations: ['83-21=62', '50*62=3100'] Exploring Operation: 3100/31=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[50, 21, 83, 31], Operations: [] Exploring Operation: 83-31=52, Resulting Numbers: [50, 21, 52] Generated Node #0,0: 100:[50, 21, 52] Operation: 83-31=52 Moving to Node #0,0 Current State: 100:[50, 21, 52], Operations: ['83-31=52'] Exploring Operation: 52-50=2, Resulting Numbers: [21, 2] Generated Node #0,0,0: 100:[21, 2] Operation: 52-50=2 Moving to Node #0,0,0 Current State: 100:[21, 2], Operations: ['83-31=52', '52-50=2'] Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,100 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 31, 97, 32, 45 ]
51
[ "31+97=128", "32+45=77", "128-77=51" ]
Current State: 51:[31, 97, 32, 45], Operations: [] Exploring Operation: 31+97=128, Resulting Numbers: [32, 45, 128] Generated Node #2: [32, 45, 128] from Operation: 31+97=128 Current State: 51:[32, 45, 128], Operations: ['31+97=128'] Exploring Operation: 32+45=77, Resulting Numbers: [128, 77] Generated Node #3: [128, 77] from Operation: 32+45=77 Current State: 51:[128, 77], Operations: ['31+97=128', '32+45=77'] Exploring Operation: 128-77=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[31, 97, 32, 45], Operations: [] Exploring Operation: 97-32=65, Resulting Numbers: [31, 45, 65] Generated Node #0,0: 51:[31, 45, 65] Operation: 97-32=65 Exploring Operation: 97-31=66, Resulting Numbers: [32, 45, 66] Generated Node #0,1: 51:[32, 45, 66] Operation: 97-31=66 Exploring Operation: 31+32=63, Resulting Numbers: [97, 45, 63] Generated Node #0,2: 51:[97, 45, 63] Operation: 31+32=63 Exploring Operation: 32-31=1, Resulting Numbers: [97, 45, 1] Generated Node #0,3: 51:[97, 45, 1] Operation: 32-31=1 Exploring Operation: 97-45=52, Resulting Numbers: [31, 32, 52] Generated Node #0,4: 51:[31, 32, 52] Operation: 97-45=52 Moving to Node #0,4 Current State: 51:[31, 32, 52], Operations: ['97-45=52'] Exploring Operation: 31+32=63, Resulting Numbers: [52, 63] Generated Node #0,4,0: 51:[52, 63] Operation: 31+32=63 Exploring Operation: 52-31=21, Resulting Numbers: [32, 21] Generated Node #0,4,1: 51:[32, 21] Operation: 52-31=21 Exploring Operation: 32-31=1, Resulting Numbers: [52, 1] Generated Node #0,4,2: 51:[52, 1] Operation: 32-31=1 Exploring Operation: 31+52=83, Resulting Numbers: [32, 83] Generated Node #0,4,3: 51:[32, 83] Operation: 31+52=83 Exploring Operation: 52-32=20, Resulting Numbers: [31, 20] Generated Node #0,4,4: 51:[31, 20] Operation: 52-32=20 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 51:[52, 1], Operations: ['97-45=52', '32-31=1'] Exploring Operation: 52+1=53, Resulting Numbers: [53] 53,51 unequal: No Solution Exploring Operation: 52*1=52, Resulting Numbers: [52] 52,51 unequal: No Solution Exploring Operation: 52/1=52, Resulting Numbers: [52] 52,51 unequal: No Solution Exploring Operation: 52-1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[31, 97, 32, 45], Operations: [] Exploring Operation: 97-45=52, Resulting Numbers: [31, 32, 52] Generated Node #0,4: 51:[31, 32, 52] Operation: 97-45=52 Moving to Node #0,4 Current State: 51:[31, 32, 52], Operations: ['97-45=52'] Exploring Operation: 32-31=1, Resulting Numbers: [52, 1] Generated Node #0,4,2: 51:[52, 1] Operation: 32-31=1 Moving to Node #0,4,2 Current State: 51:[52, 1], Operations: ['97-45=52', '32-31=1'] Exploring Operation: 52-1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 72, 83, 90, 19 ]
84
[ "72+83=155", "90-19=71", "155-71=84" ]
Current State: 84:[72, 83, 90, 19], Operations: [] Exploring Operation: 72+83=155, Resulting Numbers: [90, 19, 155] Generated Node #2: [90, 19, 155] from Operation: 72+83=155 Current State: 84:[90, 19, 155], Operations: ['72+83=155'] Exploring Operation: 90-19=71, Resulting Numbers: [155, 71] Generated Node #3: [155, 71] from Operation: 90-19=71 Current State: 84:[155, 71], Operations: ['72+83=155', '90-19=71'] Exploring Operation: 155-71=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[72, 83, 90, 19], Operations: [] Exploring Operation: 72+19=91, Resulting Numbers: [83, 90, 91] Generated Node #0,0: 84:[83, 90, 91] Operation: 72+19=91 Exploring Operation: 90-72=18, Resulting Numbers: [83, 19, 18] Generated Node #0,1: 84:[83, 19, 18] Operation: 90-72=18 Exploring Operation: 90-83=7, Resulting Numbers: [72, 19, 7] Generated Node #0,2: 84:[72, 19, 7] Operation: 90-83=7 Exploring Operation: 72-19=53, Resulting Numbers: [83, 90, 53] Generated Node #0,3: 84:[83, 90, 53] Operation: 72-19=53 Exploring Operation: 83-72=11, Resulting Numbers: [90, 19, 11] Generated Node #0,4: 84:[90, 19, 11] Operation: 83-72=11 Start Sub Search at level 1: Moving to Node #0,1 Current State: 84:[83, 19, 18], Operations: ['90-72=18'] Exploring Operation: 19+18=37, Resulting Numbers: [83, 37] Generated Node #0,1,0: 84:[83, 37] Operation: 19+18=37 Exploring Operation: 83+18=101, Resulting Numbers: [19, 101] Generated Node #0,1,1: 84:[19, 101] Operation: 83+18=101 Exploring Operation: 83-18=65, Resulting Numbers: [19, 65] Generated Node #0,1,2: 84:[19, 65] Operation: 83-18=65 Exploring Operation: 83+19=102, Resulting Numbers: [18, 102] Generated Node #0,1,3: 84:[18, 102] Operation: 83+19=102 Exploring Operation: 19-18=1, Resulting Numbers: [83, 1] Generated Node #0,1,4: 84:[83, 1] Operation: 19-18=1 Moving to Node #0,1,4 Current State: 84:[83, 1], Operations: ['90-72=18', '19-18=1'] Exploring Operation: 83-1=82, Resulting Numbers: [82] 82,84 unequal: No Solution Exploring Operation: 83/1=83, Resulting Numbers: [83] 83,84 unequal: No Solution Exploring Operation: 83+1=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[72, 83, 90, 19], Operations: [] Exploring Operation: 90-72=18, Resulting Numbers: [83, 19, 18] Generated Node #0,1: 84:[83, 19, 18] Operation: 90-72=18 Moving to Node #0,1 Current State: 84:[83, 19, 18], Operations: ['90-72=18'] Exploring Operation: 19-18=1, Resulting Numbers: [83, 1] Generated Node #0,1,4: 84:[83, 1] Operation: 19-18=1 Moving to Node #0,1,4 Current State: 84:[83, 1], Operations: ['90-72=18', '19-18=1'] Exploring Operation: 83+1=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 84, 1, 96, 30 ]
18
[ "84*1=84", "96-30=66", "84-66=18" ]
Current State: 18:[84, 1, 96, 30], Operations: [] Exploring Operation: 84*1=84, Resulting Numbers: [96, 30, 84] Generated Node #2: [96, 30, 84] from Operation: 84*1=84 Current State: 18:[96, 30, 84], Operations: ['84*1=84'] Exploring Operation: 96-30=66, Resulting Numbers: [84, 66] Generated Node #3: [84, 66] from Operation: 96-30=66 Current State: 18:[84, 66], Operations: ['84*1=84', '96-30=66'] Exploring Operation: 84-66=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[84, 1, 96, 30], Operations: [] Exploring Operation: 96-30=66, Resulting Numbers: [84, 1, 66] Generated Node #0,0: 18:[84, 1, 66] Operation: 96-30=66 Exploring Operation: 84-1=83, Resulting Numbers: [96, 30, 83] Generated Node #0,1: 18:[96, 30, 83] Operation: 84-1=83 Exploring Operation: 96-84=12, Resulting Numbers: [1, 30, 12] Generated Node #0,2: 18:[1, 30, 12] Operation: 96-84=12 Exploring Operation: 84-30=54, Resulting Numbers: [1, 96, 54] Generated Node #0,3: 18:[1, 96, 54] Operation: 84-30=54 Start Sub Search at level 1: Moving to Node #0,2 Current State: 18:[1, 30, 12], Operations: ['96-84=12'] Exploring Operation: 30-1=29, Resulting Numbers: [12, 29] Generated Node #0,2,0: 18:[12, 29] Operation: 30-1=29 Exploring Operation: 12-1=11, Resulting Numbers: [30, 11] Generated Node #0,2,1: 18:[30, 11] Operation: 12-1=11 Exploring Operation: 30-12=18, Resulting Numbers: [1, 18] Generated Node #0,2,2: 18:[1, 18] Operation: 30-12=18 Exploring Operation: 1*30=30, Resulting Numbers: [12, 30] Generated Node #0,2,3: 18:[12, 30] Operation: 1*30=30 Moving to Node #0,2,2 Current State: 18:[1, 18], Operations: ['96-84=12', '30-12=18'] Exploring Operation: 1+18=19, Resulting Numbers: [19] 19,18 unequal: No Solution Exploring Operation: 18/1=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[84, 1, 96, 30], Operations: [] Exploring Operation: 96-84=12, Resulting Numbers: [1, 30, 12] Generated Node #0,2: 18:[1, 30, 12] Operation: 96-84=12 Moving to Node #0,2 Current State: 18:[1, 30, 12], Operations: ['96-84=12'] Exploring Operation: 30-12=18, Resulting Numbers: [1, 18] Generated Node #0,2,2: 18:[1, 18] Operation: 30-12=18 Moving to Node #0,2,2 Current State: 18:[1, 18], Operations: ['96-84=12', '30-12=18'] Exploring Operation: 18/1=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 38, 53, 48, 20 ]
42
[ "53-48=5", "20/5=4", "38+4=42" ]
Current State: 42:[38, 53, 48, 20], Operations: [] Exploring Operation: 53-48=5, Resulting Numbers: [38, 20, 5] Generated Node #2: [38, 20, 5] from Operation: 53-48=5 Current State: 42:[38, 20, 5], Operations: ['53-48=5'] Exploring Operation: 20/5=4, Resulting Numbers: [38, 4] Generated Node #3: [38, 4] from Operation: 20/5=4 Current State: 42:[38, 4], Operations: ['53-48=5', '20/5=4'] Exploring Operation: 38+4=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[38, 53, 48, 20], Operations: [] Exploring Operation: 53-48=5, Resulting Numbers: [38, 20, 5] Generated Node #0,0: 42:[38, 20, 5] Operation: 53-48=5 Exploring Operation: 53-38=15, Resulting Numbers: [48, 20, 15] Generated Node #0,1: 42:[48, 20, 15] Operation: 53-38=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[38, 20, 5], Operations: ['53-48=5'] Exploring Operation: 38-20=18, Resulting Numbers: [5, 18] Generated Node #0,0,0: 42:[5, 18] Operation: 38-20=18 Exploring Operation: 38+5=43, Resulting Numbers: [20, 43] Generated Node #0,0,1: 42:[20, 43] Operation: 38+5=43 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 42:[20, 43], Operations: ['53-48=5', '38+5=43'] Exploring Operation: 20+43=63, Resulting Numbers: [63] 63,42 unequal: No Solution Exploring Operation: 43-20=23, Resulting Numbers: [23] 23,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 42:[5, 18], Operations: ['53-48=5', '38-20=18'] Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,42 unequal: No Solution Exploring Operation: 5+18=23, Resulting Numbers: [23] 23,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 42:[48, 20, 15], Operations: ['53-38=15'] Exploring Operation: 20-15=5, Resulting Numbers: [48, 5] Generated Node #0,1,0: 42:[48, 5] Operation: 20-15=5 Exploring Operation: 48-20=28, Resulting Numbers: [15, 28] Generated Node #0,1,1: 42:[15, 28] Operation: 48-20=28 Moving to Node #0,1,0 Current State: 42:[48, 5], Operations: ['53-38=15', '20-15=5'] Exploring Operation: 48+5=53, Resulting Numbers: [53] 53,42 unequal: No Solution Exploring Operation: 48-5=43, Resulting Numbers: [43] 43,42 unequal: No Solution Moving to Node #0,1,1 Current State: 42:[15, 28], Operations: ['53-38=15', '48-20=28'] Exploring Operation: 15+28=43, Resulting Numbers: [43] 43,42 unequal: No Solution Exploring Operation: 28-15=13, Resulting Numbers: [13] 13,42 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
[ 34, 58, 68, 28 ]
84
[ "68/34=2", "58+28=86", "86-2=84" ]
Current State: 84:[34, 58, 68, 28], Operations: [] Exploring Operation: 68/34=2, Resulting Numbers: [58, 28, 2] Generated Node #2: [58, 28, 2] from Operation: 68/34=2 Current State: 84:[58, 28, 2], Operations: ['68/34=2'] Exploring Operation: 58+28=86, Resulting Numbers: [2, 86] Generated Node #3: [2, 86] from Operation: 58+28=86 Current State: 84:[2, 86], Operations: ['68/34=2', '58+28=86'] Exploring Operation: 86-2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[34, 58, 68, 28], Operations: [] Exploring Operation: 68/34=2, Resulting Numbers: [58, 28, 2] Generated Node #0,0: 84:[58, 28, 2] Operation: 68/34=2 Exploring Operation: 68-58=10, Resulting Numbers: [34, 28, 10] Generated Node #0,1: 84:[34, 28, 10] Operation: 68-58=10 Start Sub Search at level 1: Moving to Node #0,1 Current State: 84:[34, 28, 10], Operations: ['68-58=10'] Exploring Operation: 34-28=6, Resulting Numbers: [10, 6] Generated Node #0,1,0: 84:[10, 6] Operation: 34-28=6 Exploring Operation: 34+10=44, Resulting Numbers: [28, 44] Generated Node #0,1,1: 84:[28, 44] Operation: 34+10=44 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 84:[10, 6], Operations: ['68-58=10', '34-28=6'] Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,84 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 84:[28, 44], Operations: ['68-58=10', '34+10=44'] Exploring Operation: 44-28=16, Resulting Numbers: [16] 16,84 unequal: No Solution Exploring Operation: 28+44=72, Resulting Numbers: [72] 72,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[58, 28, 2], Operations: ['68/34=2'] Exploring Operation: 58+28=86, Resulting Numbers: [2, 86] Generated Node #0,0,0: 84:[2, 86] Operation: 58+28=86 Exploring Operation: 58/2=29, Resulting Numbers: [28, 29] Generated Node #0,0,1: 84:[28, 29] Operation: 58/2=29 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 84:[28, 29], Operations: ['68/34=2', '58/2=29'] Exploring Operation: 29-28=1, Resulting Numbers: [1] 1,84 unequal: No Solution Exploring Operation: 28+29=57, Resulting Numbers: [57] 57,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 84:[2, 86], Operations: ['68/34=2', '58+28=86'] Exploring Operation: 86/2=43, Resulting Numbers: [43] 43,84 unequal: No Solution Exploring Operation: 86-2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[34, 58, 68, 28], Operations: [] Exploring Operation: 68/34=2, Resulting Numbers: [58, 28, 2] Generated Node #0,0: 84:[58, 28, 2] Operation: 68/34=2 Moving to Node #0,0 Current State: 84:[58, 28, 2], Operations: ['68/34=2'] Exploring Operation: 58+28=86, Resulting Numbers: [2, 86] Generated Node #0,0,0: 84:[2, 86] Operation: 58+28=86 Moving to Node #0,0,0 Current State: 84:[2, 86], Operations: ['68/34=2', '58+28=86'] Exploring Operation: 86-2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_2
sum_heuristic
[ 8, 40, 16, 66 ]
80
[ "40+16=56", "66-56=10", "8*10=80" ]
Current State: 80:[8, 40, 16, 66], Operations: [] Exploring Operation: 40+16=56, Resulting Numbers: [8, 66, 56] Generated Node #2: [8, 66, 56] from Operation: 40+16=56 Current State: 80:[8, 66, 56], Operations: ['40+16=56'] Exploring Operation: 66-56=10, Resulting Numbers: [8, 10] Generated Node #3: [8, 10] from Operation: 66-56=10 Current State: 80:[8, 10], Operations: ['40+16=56', '66-56=10'] Exploring Operation: 8*10=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[8, 40, 16, 66], Operations: [] Exploring Operation: 40/8=5, Resulting Numbers: [16, 66, 5] Generated Node #0,0: 80:[16, 66, 5] Operation: 40/8=5 Exploring Operation: 66-16=50, Resulting Numbers: [8, 40, 50] Generated Node #0,1: 80:[8, 40, 50] Operation: 66-16=50 Exploring Operation: 66-40=26, Resulting Numbers: [8, 16, 26] Generated Node #0,2: 80:[8, 16, 26] Operation: 66-40=26 Exploring Operation: 8+66=74, Resulting Numbers: [40, 16, 74] Generated Node #0,3: 80:[40, 16, 74] Operation: 8+66=74 Exploring Operation: 16+66=82, Resulting Numbers: [8, 40, 82] Generated Node #0,4: 80:[8, 40, 82] Operation: 16+66=82 Start Sub Search at level 1: Moving to Node #0,4 Current State: 80:[8, 40, 82], Operations: ['16+66=82'] Exploring Operation: 82-8=74, Resulting Numbers: [40, 74] Generated Node #0,4,0: 80:[40, 74] Operation: 82-8=74 Exploring Operation: 40-8=32, Resulting Numbers: [82, 32] Generated Node #0,4,1: 80:[82, 32] Operation: 40-8=32 Exploring Operation: 8+40=48, Resulting Numbers: [82, 48] Generated Node #0,4,2: 80:[82, 48] Operation: 8+40=48 Exploring Operation: 40/8=5, Resulting Numbers: [82, 5] Generated Node #0,4,3: 80:[82, 5] Operation: 40/8=5 Exploring Operation: 82-40=42, Resulting Numbers: [8, 42] Generated Node #0,4,4: 80:[8, 42] Operation: 82-40=42 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 80:[82, 5], Operations: ['16+66=82', '40/8=5'] Exploring Operation: 82*5=410, Resulting Numbers: [410] 410,80 unequal: No Solution Exploring Operation: 82-5=77, Resulting Numbers: [77] 77,80 unequal: No Solution Exploring Operation: 82+5=87, Resulting Numbers: [87] 87,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 80:[8, 42], Operations: ['16+66=82', '82-40=42'] Exploring Operation: 8+42=50, Resulting Numbers: [50] 50,80 unequal: No Solution Exploring Operation: 8*42=336, Resulting Numbers: [336] 336,80 unequal: No Solution Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 80:[40, 74], Operations: ['16+66=82', '82-8=74'] Exploring Operation: 74-40=34, Resulting Numbers: [34] 34,80 unequal: No Solution Exploring Operation: 40+74=114, Resulting Numbers: [114] 114,80 unequal: No Solution Exploring Operation: 40*74=2960, Resulting Numbers: [2960] 2960,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 80:[82, 32], Operations: ['16+66=82', '40-8=32'] Exploring Operation: 82-32=50, Resulting Numbers: [50] 50,80 unequal: No Solution Exploring Operation: 82*32=2624, Resulting Numbers: [2624] 2624,80 unequal: No Solution Exploring Operation: 82+32=114, Resulting Numbers: [114] 114,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 80:[82, 48], Operations: ['16+66=82', '8+40=48'] Exploring Operation: 82-48=34, Resulting Numbers: [34] 34,80 unequal: No Solution Exploring Operation: 82+48=130, Resulting Numbers: [130] 130,80 unequal: No Solution Exploring Operation: 82*48=3936, Resulting Numbers: [3936] 3936,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 80:[8, 16, 26], Operations: ['66-40=26'] Exploring Operation: 16+26=42, Resulting Numbers: [8, 42] Generated Node #0,2,0: 80:[8, 42] Operation: 16+26=42 Exploring Operation: 16/8=2, Resulting Numbers: [26, 2] Generated Node #0,2,1: 80:[26, 2] Operation: 16/8=2 Exploring Operation: 16-8=8, Resulting Numbers: [26, 8] Generated Node #0,2,2: 80:[26, 8] Operation: 16-8=8 Exploring Operation: 26-8=18, Resulting Numbers: [16, 18] Generated Node #0,2,3: 80:[16, 18] Operation: 26-8=18 Exploring Operation: 26-16=10, Resulting Numbers: [8, 10] Generated Node #0,2,4: 80:[8, 10] Operation: 26-16=10 Moving to Node #0,2,4 Current State: 80:[8, 10], Operations: ['66-40=26', '26-16=10'] Exploring Operation: 8+10=18, Resulting Numbers: [18] 18,80 unequal: No Solution Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,80 unequal: No Solution Exploring Operation: 8*10=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[8, 40, 16, 66], Operations: [] Exploring Operation: 66-40=26, Resulting Numbers: [8, 16, 26] Generated Node #0,2: 80:[8, 16, 26] Operation: 66-40=26 Moving to Node #0,2 Current State: 80:[8, 16, 26], Operations: ['66-40=26'] Exploring Operation: 26-16=10, Resulting Numbers: [8, 10] Generated Node #0,2,4: 80:[8, 10] Operation: 26-16=10 Moving to Node #0,2,4 Current State: 80:[8, 10], Operations: ['66-40=26', '26-16=10'] Exploring Operation: 8*10=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_5
mult_heuristic
[ 87, 80, 70, 77 ]
59
[ "87-80=7", "77/7=11", "70-11=59" ]
Current State: 59:[87, 80, 70, 77], Operations: [] Exploring Operation: 87-80=7, Resulting Numbers: [70, 77, 7] Generated Node #2: [70, 77, 7] from Operation: 87-80=7 Current State: 59:[70, 77, 7], Operations: ['87-80=7'] Exploring Operation: 77/7=11, Resulting Numbers: [70, 11] Generated Node #3: [70, 11] from Operation: 77/7=11 Current State: 59:[70, 11], Operations: ['87-80=7', '77/7=11'] Exploring Operation: 70-11=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[87, 80, 70, 77], Operations: [] Exploring Operation: 87-77=10, Resulting Numbers: [80, 70, 10] Generated Node #0,0: 59:[80, 70, 10] Operation: 87-77=10 Exploring Operation: 80-70=10, Resulting Numbers: [87, 77, 10] Generated Node #0,1: 59:[87, 77, 10] Operation: 80-70=10 Exploring Operation: 87-80=7, Resulting Numbers: [70, 77, 7] Generated Node #0,2: 59:[70, 77, 7] Operation: 87-80=7 Exploring Operation: 87-70=17, Resulting Numbers: [80, 77, 17] Generated Node #0,3: 59:[80, 77, 17] Operation: 87-70=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[80, 70, 10], Operations: ['87-77=10'] Exploring Operation: 80+10=90, Resulting Numbers: [70, 90] Generated Node #0,0,0: 59:[70, 90] Operation: 80+10=90 Exploring Operation: 70-10=60, Resulting Numbers: [80, 60] Generated Node #0,0,1: 59:[80, 60] Operation: 70-10=60 Exploring Operation: 70+10=80, Resulting Numbers: [80, 80] Generated Node #0,0,2: 59:[80, 80] Operation: 70+10=80 Exploring Operation: 80-10=70, Resulting Numbers: [70, 70] Generated Node #0,0,3: 59:[70, 70] Operation: 80-10=70 Moving to Node #0,0,1 Current State: 59:[80, 60], Operations: ['87-77=10', '70-10=60'] Exploring Operation: 80+60=140, Resulting Numbers: [140] 140,59 unequal: No Solution Exploring Operation: 80-60=20, Resulting Numbers: [20] 20,59 unequal: No Solution Exploring Operation: 80*60=4800, Resulting Numbers: [4800] 4800,59 unequal: No Solution Moving to Node #0,0,3 Current State: 59:[70, 70], Operations: ['87-77=10', '80-10=70'] Exploring Operation: 70-70=0, Resulting Numbers: [0] 0,59 unequal: No Solution Exploring Operation: 70+70=140, Resulting Numbers: [140] 140,59 unequal: No Solution Exploring Operation: 70*70=4900, Resulting Numbers: [4900] 4900,59 unequal: No Solution Exploring Operation: 70/70=1, Resulting Numbers: [1] 1,59 unequal: No Solution Moving to Node #0,0,2 Current State: 59:[80, 80], Operations: ['87-77=10', '70+10=80'] Exploring Operation: 80*80=6400, Resulting Numbers: [6400] 6400,59 unequal: No Solution Exploring Operation: 80+80=160, Resulting Numbers: [160] 160,59 unequal: No Solution Exploring Operation: 80/80=1, Resulting Numbers: [1] 1,59 unequal: No Solution Exploring Operation: 80-80=0, Resulting Numbers: [0] 0,59 unequal: No Solution Moving to Node #0,0,0 Current State: 59:[70, 90], Operations: ['87-77=10', '80+10=90'] Exploring Operation: 70*90=6300, Resulting Numbers: [6300] 6300,59 unequal: No Solution Exploring Operation: 90-70=20, Resulting Numbers: [20] 20,59 unequal: No Solution Exploring Operation: 70+90=160, Resulting Numbers: [160] 160,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 59:[70, 77, 7], Operations: ['87-80=7'] Exploring Operation: 70-7=63, Resulting Numbers: [77, 63] Generated Node #0,2,0: 59:[77, 63] Operation: 70-7=63 Exploring Operation: 77+7=84, Resulting Numbers: [70, 84] Generated Node #0,2,1: 59:[70, 84] Operation: 77+7=84 Exploring Operation: 70+7=77, Resulting Numbers: [77, 77] Generated Node #0,2,2: 59:[77, 77] Operation: 70+7=77 Exploring Operation: 77-7=70, Resulting Numbers: [70, 70] Generated Node #0,2,3: 59:[70, 70] Operation: 77-7=70 Moving to Node #0,2,0 Current State: 59:[77, 63], Operations: ['87-80=7', '70-7=63'] Exploring Operation: 77-63=14, Resulting Numbers: [14] 14,59 unequal: No Solution Exploring Operation: 77*63=4851, Resulting Numbers: [4851] 4851,59 unequal: No Solution Exploring Operation: 77+63=140, Resulting Numbers: [140] 140,59 unequal: No Solution Moving to Node #0,2,3 Current State: 59:[70, 70], Operations: ['87-80=7', '77-7=70'] Exploring Operation: 70/70=1, Resulting Numbers: [1] 1,59 unequal: No Solution Exploring Operation: 70-70=0, Resulting Numbers: [0] 0,59 unequal: No Solution Exploring Operation: 70+70=140, Resulting Numbers: [140] 140,59 unequal: No Solution Exploring Operation: 70*70=4900, Resulting Numbers: [4900] 4900,59 unequal: No Solution Moving to Node #0,2,2 Current State: 59:[77, 77], Operations: ['87-80=7', '70+7=77'] Exploring Operation: 77-77=0, Resulting Numbers: [0] 0,59 unequal: No Solution Exploring Operation: 77/77=1, Resulting Numbers: [1] 1,59 unequal: No Solution Exploring Operation: 77*77=5929, Resulting Numbers: [5929] 5929,59 unequal: No Solution Exploring Operation: 77+77=154, Resulting Numbers: [154] 154,59 unequal: No Solution Moving to Node #0,2,1 Current State: 59:[70, 84], Operations: ['87-80=7', '77+7=84'] Exploring Operation: 70+84=154, Resulting Numbers: [154] 154,59 unequal: No Solution Exploring Operation: 70*84=5880, Resulting Numbers: [5880] 5880,59 unequal: No Solution Exploring Operation: 84-70=14, Resulting Numbers: [14] 14,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 59:[80, 77, 17], Operations: ['87-70=17'] Exploring Operation: 80-17=63, Resulting Numbers: [77, 63] Generated Node #0,3,0: 59:[77, 63] Operation: 80-17=63 Exploring Operation: 80+17=97, Resulting Numbers: [77, 97] Generated Node #0,3,1: 59:[77, 97] Operation: 80+17=97 Exploring Operation: 77-17=60, Resulting Numbers: [80, 60] Generated Node #0,3,2: 59:[80, 60] Operation: 77-17=60 Exploring Operation: 77+17=94, Resulting Numbers: [80, 94] Generated Node #0,3,3: 59:[80, 94] Operation: 77+17=94 Moving to Node #0,3,0 Current State: 59:[77, 63], Operations: ['87-70=17', '80-17=63'] Exploring Operation: 77-63=14, Resulting Numbers: [14] 14,59 unequal: No Solution Exploring Operation: 77*63=4851, Resulting Numbers: [4851] 4851,59 unequal: No Solution Exploring Operation: 77+63=140, Resulting Numbers: [140] 140,59 unequal: No Solution Moving to Node #0,3,2 Current State: 59:[80, 60], Operations: ['87-70=17', '77-17=60'] Exploring Operation: 80-60=20, Resulting Numbers: [20] 20,59 unequal: No Solution Exploring Operation: 80*60=4800, Resulting Numbers: [4800] 4800,59 unequal: No Solution Exploring Operation: 80+60=140, Resulting Numbers: [140] 140,59 unequal: No Solution Moving to Node #0,3,3 Current State: 59:[80, 94], Operations: ['87-70=17', '77+17=94'] Exploring Operation: 94-80=14, Resulting Numbers: [14] 14,59 unequal: No Solution Exploring Operation: 80+94=174, Resulting Numbers: [174] 174,59 unequal: No Solution Exploring Operation: 80*94=7520, Resulting Numbers: [7520] 7520,59 unequal: No Solution Moving to Node #0,3,1 Current State: 59:[77, 97], Operations: ['87-70=17', '80+17=97'] Exploring Operation: 97-77=20, Resulting Numbers: [20] 20,59 unequal: No Solution Exploring Operation: 77+97=174, Resulting Numbers: [174] 174,59 unequal: No Solution Exploring Operation: 77*97=7469, Resulting Numbers: [7469] 7469,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 59:[87, 77, 10], Operations: ['80-70=10'] Exploring Operation: 77-10=67, Resulting Numbers: [87, 67] Generated Node #0,1,0: 59:[87, 67] Operation: 77-10=67 Exploring Operation: 87+10=97, Resulting Numbers: [77, 97] Generated Node #0,1,1: 59:[77, 97] Operation: 87+10=97 Exploring Operation: 87-10=77, Resulting Numbers: [77, 77] Generated Node #0,1,2: 59:[77, 77] Operation: 87-10=77 Exploring Operation: 77+10=87, Resulting Numbers: [87, 87] Generated Node #0,1,3: 59:[87, 87] Operation: 77+10=87 Moving to Node #0,1,0 Current State: 59:[87, 67], Operations: ['80-70=10', '77-10=67'] Exploring Operation: 87+67=154, Resulting Numbers: [154] 154,59 unequal: No Solution Exploring Operation: 87-67=20, Resulting Numbers: [20] 20,59 unequal: No Solution Exploring Operation: 87*67=5829, Resulting Numbers: [5829] 5829,59 unequal: No Solution Moving to Node #0,1,2 Current State: 59:[77, 77], Operations: ['80-70=10', '87-10=77'] Exploring Operation: 77-77=0, Resulting Numbers: [0] 0,59 unequal: No Solution Exploring Operation: 77/77=1, Resulting Numbers: [1] 1,59 unequal: No Solution Exploring Operation: 77+77=154, Resulting Numbers: [154] 154,59 unequal: No Solution Exploring Operation: 77*77=5929, Resulting Numbers: [5929] 5929,59 unequal: No Solution Moving to Node #0,1,3 Current State: 59:[87, 87], Operations: ['80-70=10', '77+10=87'] Exploring Operation: 87/87=1, Resulting Numbers: [1] 1,59 unequal: No Solution Exploring Operation: 87-87=0, Resulting Numbers: [0] 0,59 unequal: No Solution Exploring Operation: 87+87=174, Resulting Numbers: [174] 174,59 unequal: No Solution Exploring Operation: 87*87=7569, Resulting Numbers: [7569] 7569,59 unequal: No Solution Moving to Node #0,1,1 Current State: 59:[77, 97], Operations: ['80-70=10', '87+10=97'] Exploring Operation: 77+97=174, Resulting Numbers: [174] 174,59 unequal: No Solution Exploring Operation: 77*97=7469, Resulting Numbers: [7469] 7469,59 unequal: No Solution Exploring Operation: 97-77=20, Resulting Numbers: [20] 20,59 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
[ 94, 23, 32, 16 ]
69
[ "94+23=117", "32+16=48", "117-48=69" ]
Current State: 69:[94, 23, 32, 16], Operations: [] Exploring Operation: 94+23=117, Resulting Numbers: [32, 16, 117] Generated Node #2: [32, 16, 117] from Operation: 94+23=117 Current State: 69:[32, 16, 117], Operations: ['94+23=117'] Exploring Operation: 32+16=48, Resulting Numbers: [117, 48] Generated Node #3: [117, 48] from Operation: 32+16=48 Current State: 69:[117, 48], Operations: ['94+23=117', '32+16=48'] Exploring Operation: 117-48=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[94, 23, 32, 16], Operations: [] Exploring Operation: 32/16=2, Resulting Numbers: [94, 23, 2] Generated Node #0,0: 69:[94, 23, 2] Operation: 32/16=2 Exploring Operation: 94-16=78, Resulting Numbers: [23, 32, 78] Generated Node #0,1: 69:[23, 32, 78] Operation: 94-16=78 Exploring Operation: 94-23=71, Resulting Numbers: [32, 16, 71] Generated Node #0,2: 69:[32, 16, 71] Operation: 94-23=71 Exploring Operation: 94-32=62, Resulting Numbers: [23, 16, 62] Generated Node #0,3: 69:[23, 16, 62] Operation: 94-32=62 Exploring Operation: 32-16=16, Resulting Numbers: [94, 23, 16] Generated Node #0,4: 69:[94, 23, 16] Operation: 32-16=16 Moving to Node #0,3 Current State: 69:[23, 16, 62], Operations: ['94-32=62'] Exploring Operation: 23+16=39, Resulting Numbers: [62, 39] Generated Node #0,3,0: 69:[62, 39] Operation: 23+16=39 Exploring Operation: 23+62=85, Resulting Numbers: [16, 85] Generated Node #0,3,1: 69:[16, 85] Operation: 23+62=85 Exploring Operation: 62-23=39, Resulting Numbers: [16, 39] Generated Node #0,3,2: 69:[16, 39] Operation: 62-23=39 Exploring Operation: 23-16=7, Resulting Numbers: [62, 7] Generated Node #0,3,3: 69:[62, 7] Operation: 23-16=7 Exploring Operation: 16+62=78, Resulting Numbers: [23, 78] Generated Node #0,3,4: 69:[23, 78] Operation: 16+62=78 Moving to Node #0,2 Current State: 69:[32, 16, 71], Operations: ['94-23=71'] Exploring Operation: 71-16=55, Resulting Numbers: [32, 55] Generated Node #0,2,0: 69:[32, 55] Operation: 71-16=55 Exploring Operation: 32/16=2, Resulting Numbers: [71, 2] Generated Node #0,2,1: 69:[71, 2] Operation: 32/16=2 Exploring Operation: 71-32=39, Resulting Numbers: [16, 39] Generated Node #0,2,2: 69:[16, 39] Operation: 71-32=39 Exploring Operation: 32+16=48, Resulting Numbers: [71, 48] Generated Node #0,2,3: 69:[71, 48] Operation: 32+16=48 Exploring Operation: 32-16=16, Resulting Numbers: [71, 16] Generated Node #0,2,4: 69:[71, 16] Operation: 32-16=16 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 69:[71, 2], Operations: ['94-23=71', '32/16=2'] Exploring Operation: 71+2=73, Resulting Numbers: [73] 73,69 unequal: No Solution Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[94, 23, 32, 16], Operations: [] Exploring Operation: 94-23=71, Resulting Numbers: [32, 16, 71] Generated Node #0,2: 69:[32, 16, 71] Operation: 94-23=71 Moving to Node #0,2 Current State: 69:[32, 16, 71], Operations: ['94-23=71'] Exploring Operation: 32/16=2, Resulting Numbers: [71, 2] Generated Node #0,2,1: 69:[71, 2] Operation: 32/16=2 Moving to Node #0,2,1 Current State: 69:[71, 2], Operations: ['94-23=71', '32/16=2'] Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 89, 70, 36, 76 ]
95
[ "76-70=6", "36/6=6", "89+6=95" ]
Current State: 95:[89, 70, 36, 76], Operations: [] Exploring Operation: 76-70=6, Resulting Numbers: [89, 36, 6] Generated Node #2: [89, 36, 6] from Operation: 76-70=6 Current State: 95:[89, 36, 6], Operations: ['76-70=6'] Exploring Operation: 36/6=6, Resulting Numbers: [89, 6] Generated Node #3: [89, 6] from Operation: 36/6=6 Current State: 95:[89, 6], Operations: ['76-70=6', '36/6=6'] Exploring Operation: 89+6=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[89, 70, 36, 76], Operations: [] Exploring Operation: 76-70=6, Resulting Numbers: [89, 36, 6] Generated Node #0,0: 95:[89, 36, 6] Operation: 76-70=6 Exploring Operation: 70+36=106, Resulting Numbers: [89, 76, 106] Generated Node #0,1: 95:[89, 76, 106] Operation: 70+36=106 Exploring Operation: 89-70=19, Resulting Numbers: [36, 76, 19] Generated Node #0,2: 95:[36, 76, 19] Operation: 89-70=19 Exploring Operation: 70-36=34, Resulting Numbers: [89, 76, 34] Generated Node #0,3: 95:[89, 76, 34] Operation: 70-36=34 Exploring Operation: 89-76=13, Resulting Numbers: [70, 36, 13] Generated Node #0,4: 95:[70, 36, 13] Operation: 89-76=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[89, 36, 6], Operations: ['76-70=6'] Exploring Operation: 89-6=83, Resulting Numbers: [36, 83] Generated Node #0,0,0: 95:[36, 83] Operation: 89-6=83 Exploring Operation: 36+6=42, Resulting Numbers: [89, 42] Generated Node #0,0,1: 95:[89, 42] Operation: 36+6=42 Exploring Operation: 89+6=95, Resulting Numbers: [36, 95] Generated Node #0,0,2: 95:[36, 95] Operation: 89+6=95 Exploring Operation: 36/6=6, Resulting Numbers: [89, 6] Generated Node #0,0,3: 95:[89, 6] Operation: 36/6=6 Exploring Operation: 36-6=30, Resulting Numbers: [89, 30] Generated Node #0,0,4: 95:[89, 30] Operation: 36-6=30 Moving to Node #0,0,3 Current State: 95:[89, 6], Operations: ['76-70=6', '36/6=6'] Exploring Operation: 89+6=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[89, 70, 36, 76], Operations: [] Exploring Operation: 76-70=6, Resulting Numbers: [89, 36, 6] Generated Node #0,0: 95:[89, 36, 6] Operation: 76-70=6 Moving to Node #0,0 Current State: 95:[89, 36, 6], Operations: ['76-70=6'] Exploring Operation: 36/6=6, Resulting Numbers: [89, 6] Generated Node #0,0,3: 95:[89, 6] Operation: 36/6=6 Moving to Node #0,0,3 Current State: 95:[89, 6], Operations: ['76-70=6', '36/6=6'] Exploring Operation: 89+6=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 10, 54, 85, 7 ]
67
[ "10-7=3", "54/3=18", "85-18=67" ]
Current State: 67:[10, 54, 85, 7], Operations: [] Exploring Operation: 10-7=3, Resulting Numbers: [54, 85, 3] Generated Node #2: [54, 85, 3] from Operation: 10-7=3 Current State: 67:[54, 85, 3], Operations: ['10-7=3'] Exploring Operation: 54/3=18, Resulting Numbers: [85, 18] Generated Node #3: [85, 18] from Operation: 54/3=18 Current State: 67:[85, 18], Operations: ['10-7=3', '54/3=18'] Exploring Operation: 85-18=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[10, 54, 85, 7], Operations: [] Exploring Operation: 10*7=70, Resulting Numbers: [54, 85, 70] Generated Node #0,0: 67:[54, 85, 70] Operation: 10*7=70 Exploring Operation: 10+54=64, Resulting Numbers: [85, 7, 64] Generated Node #0,1: 67:[85, 7, 64] Operation: 10+54=64 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[54, 85, 70], Operations: ['10*7=70'] Exploring Operation: 85-54=31, Resulting Numbers: [70, 31] Generated Node #0,0,0: 67:[70, 31] Operation: 85-54=31 Exploring Operation: 85-70=15, Resulting Numbers: [54, 15] Generated Node #0,0,1: 67:[54, 15] Operation: 85-70=15 Moving to Node #0,0,0 Current State: 67:[70, 31], Operations: ['10*7=70', '85-54=31'] Exploring Operation: 70-31=39, Resulting Numbers: [39] 39,67 unequal: No Solution Exploring Operation: 70+31=101, Resulting Numbers: [101] 101,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[54, 15], Operations: ['10*7=70', '85-70=15'] Exploring Operation: 54+15=69, Resulting Numbers: [69] 69,67 unequal: No Solution Exploring Operation: 54-15=39, Resulting Numbers: [39] 39,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[85, 7, 64], Operations: ['10+54=64'] Exploring Operation: 7+64=71, Resulting Numbers: [85, 71] Generated Node #0,1,0: 67:[85, 71] Operation: 7+64=71 Exploring Operation: 85-7=78, Resulting Numbers: [64, 78] Generated Node #0,1,1: 67:[64, 78] Operation: 85-7=78 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 67:[64, 78], Operations: ['10+54=64', '85-7=78'] Exploring Operation: 78-64=14, Resulting Numbers: [14] 14,67 unequal: No Solution Exploring Operation: 64+78=142, Resulting Numbers: [142] 142,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 67:[85, 71], Operations: ['10+54=64', '7+64=71'] Exploring Operation: 85-71=14, Resulting Numbers: [14] 14,67 unequal: No Solution Exploring Operation: 85+71=156, Resulting Numbers: [156] 156,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 37, 2, 75, 34 ]
34
[ "37*2=74", "75-74=1", "34*1=34" ]
Current State: 34:[37, 2, 75, 34], Operations: [] Exploring Operation: 37*2=74, Resulting Numbers: [75, 34, 74] Generated Node #2: [75, 34, 74] from Operation: 37*2=74 Current State: 34:[75, 34, 74], Operations: ['37*2=74'] Exploring Operation: 75-74=1, Resulting Numbers: [34, 1] Generated Node #3: [34, 1] from Operation: 75-74=1 Current State: 34:[34, 1], Operations: ['37*2=74', '75-74=1'] Exploring Operation: 34*1=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[37, 2, 75, 34], Operations: [] Exploring Operation: 75-34=41, Resulting Numbers: [37, 2, 41] Generated Node #0,0: 34:[37, 2, 41] Operation: 75-34=41 Exploring Operation: 75-37=38, Resulting Numbers: [2, 34, 38] Generated Node #0,1: 34:[2, 34, 38] Operation: 75-37=38 Start Sub Search at level 1: Moving to Node #0,1 Current State: 34:[2, 34, 38], Operations: ['75-37=38'] Exploring Operation: 38-2=36, Resulting Numbers: [34, 36] Generated Node #0,1,0: 34:[34, 36] Operation: 38-2=36 Exploring Operation: 38/2=19, Resulting Numbers: [34, 19] Generated Node #0,1,1: 34:[34, 19] Operation: 38/2=19 Moving to Node #0,1,0 Current State: 34:[34, 36], Operations: ['75-37=38', '38-2=36'] Exploring Operation: 36-34=2, Resulting Numbers: [2] 2,34 unequal: No Solution Exploring Operation: 34+36=70, Resulting Numbers: [70] 70,34 unequal: No Solution Moving to Node #0,1,1 Current State: 34:[34, 19], Operations: ['75-37=38', '38/2=19'] Exploring Operation: 34+19=53, Resulting Numbers: [53] 53,34 unequal: No Solution Exploring Operation: 34-19=15, Resulting Numbers: [15] 15,34 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 #0,0 Current State: 34:[37, 2, 41], Operations: ['75-34=41'] Exploring Operation: 37-2=35, Resulting Numbers: [41, 35] Generated Node #0,0,0: 34:[41, 35] Operation: 37-2=35 Exploring Operation: 41-37=4, Resulting Numbers: [2, 4] Generated Node #0,0,1: 34:[2, 4] Operation: 41-37=4 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 34:[2, 4], Operations: ['75-34=41', '41-37=4'] Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,34 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 34:[41, 35], Operations: ['75-34=41', '37-2=35'] Exploring Operation: 41-35=6, Resulting Numbers: [6] 6,34 unequal: No Solution Exploring Operation: 41+35=76, Resulting Numbers: [76] 76,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 53, 47, 31, 90 ]
96
[ "53-47=6", "31*6=186", "186-90=96" ]
Current State: 96:[53, 47, 31, 90], Operations: [] Exploring Operation: 53-47=6, Resulting Numbers: [31, 90, 6] Generated Node #2: [31, 90, 6] from Operation: 53-47=6 Current State: 96:[31, 90, 6], Operations: ['53-47=6'] Exploring Operation: 31*6=186, Resulting Numbers: [90, 186] Generated Node #3: [90, 186] from Operation: 31*6=186 Current State: 96:[90, 186], Operations: ['53-47=6', '31*6=186'] Exploring Operation: 186-90=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[53, 47, 31, 90], Operations: [] Exploring Operation: 53-47=6, Resulting Numbers: [31, 90, 6] Generated Node #0,0: 96:[31, 90, 6] Operation: 53-47=6 Exploring Operation: 90-53=37, Resulting Numbers: [47, 31, 37] Generated Node #0,1: 96:[47, 31, 37] Operation: 90-53=37 Exploring Operation: 53-31=22, Resulting Numbers: [47, 90, 22] Generated Node #0,2: 96:[47, 90, 22] Operation: 53-31=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[31, 90, 6], Operations: ['53-47=6'] Exploring Operation: 90+6=96, Resulting Numbers: [31, 96] Generated Node #0,0,0: 96:[31, 96] Operation: 90+6=96 Exploring Operation: 31-6=25, Resulting Numbers: [90, 25] Generated Node #0,0,1: 96:[90, 25] Operation: 31-6=25 Exploring Operation: 90/6=15, Resulting Numbers: [31, 15] Generated Node #0,0,2: 96:[31, 15] Operation: 90/6=15 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 96:[31, 96], Operations: ['53-47=6', '90+6=96'] Exploring Operation: 31*96=2976, Resulting Numbers: [2976] 2976,96 unequal: No Solution Exploring Operation: 96-31=65, Resulting Numbers: [65] 65,96 unequal: No Solution Exploring Operation: 31+96=127, Resulting Numbers: [127] 127,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 96:[31, 15], Operations: ['53-47=6', '90/6=15'] Exploring Operation: 31+15=46, Resulting Numbers: [46] 46,96 unequal: No Solution Exploring Operation: 31-15=16, Resulting Numbers: [16] 16,96 unequal: No Solution Exploring Operation: 31*15=465, Resulting Numbers: [465] 465,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 96:[90, 25], Operations: ['53-47=6', '31-6=25'] Exploring Operation: 90+25=115, Resulting Numbers: [115] 115,96 unequal: No Solution Exploring Operation: 90*25=2250, Resulting Numbers: [2250] 2250,96 unequal: No Solution Exploring Operation: 90-25=65, Resulting Numbers: [65] 65,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 96:[47, 31, 37], Operations: ['90-53=37'] Exploring Operation: 47-31=16, Resulting Numbers: [37, 16] Generated Node #0,1,0: 96:[37, 16] Operation: 47-31=16 Exploring Operation: 37-31=6, Resulting Numbers: [47, 6] Generated Node #0,1,1: 96:[47, 6] Operation: 37-31=6 Exploring Operation: 47-37=10, Resulting Numbers: [31, 10] Generated Node #0,1,2: 96:[31, 10] Operation: 47-37=10 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 96:[47, 6], Operations: ['90-53=37', '37-31=6'] Exploring Operation: 47*6=282, Resulting Numbers: [282] 282,96 unequal: No Solution Exploring Operation: 47+6=53, Resulting Numbers: [53] 53,96 unequal: No Solution Exploring Operation: 47-6=41, Resulting Numbers: [41] 41,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 96:[31, 10], Operations: ['90-53=37', '47-37=10'] Exploring Operation: 31-10=21, Resulting Numbers: [21] 21,96 unequal: No Solution Exploring Operation: 31+10=41, Resulting Numbers: [41] 41,96 unequal: No Solution Exploring Operation: 31*10=310, Resulting Numbers: [310] 310,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 96:[37, 16], Operations: ['90-53=37', '47-31=16'] Exploring Operation: 37*16=592, Resulting Numbers: [592] 592,96 unequal: No Solution Exploring Operation: 37+16=53, Resulting Numbers: [53] 53,96 unequal: No Solution Exploring Operation: 37-16=21, Resulting Numbers: [21] 21,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 96:[47, 90, 22], Operations: ['53-31=22'] Exploring Operation: 90-47=43, Resulting Numbers: [22, 43] Generated Node #0,2,0: 96:[22, 43] Operation: 90-47=43 Exploring Operation: 47-22=25, Resulting Numbers: [90, 25] Generated Node #0,2,1: 96:[90, 25] Operation: 47-22=25 Exploring Operation: 90+22=112, Resulting Numbers: [47, 112] Generated Node #0,2,2: 96:[47, 112] Operation: 90+22=112 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 96:[22, 43], Operations: ['53-31=22', '90-47=43'] Exploring Operation: 22*43=946, Resulting Numbers: [946] 946,96 unequal: No Solution Exploring Operation: 22+43=65, Resulting Numbers: [65] 65,96 unequal: No Solution Exploring Operation: 43-22=21, Resulting Numbers: [21] 21,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 96:[90, 25], Operations: ['53-31=22', '47-22=25'] Exploring Operation: 90*25=2250, Resulting Numbers: [2250] 2250,96 unequal: No Solution Exploring Operation: 90-25=65, Resulting Numbers: [65] 65,96 unequal: No Solution Exploring Operation: 90+25=115, Resulting Numbers: [115] 115,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 96:[47, 112], Operations: ['53-31=22', '90+22=112'] Exploring Operation: 47+112=159, Resulting Numbers: [159] 159,96 unequal: No Solution Exploring Operation: 112-47=65, Resulting Numbers: [65] 65,96 unequal: No Solution Exploring Operation: 47*112=5264, Resulting Numbers: [5264] 5264,96 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_3
sum_heuristic
[ 10, 90, 18, 8 ]
30
[ "90/18=5", "8*5=40", "40-10=30" ]
Current State: 30:[10, 90, 18, 8], Operations: [] Exploring Operation: 90/18=5, Resulting Numbers: [10, 8, 5] Generated Node #2: [10, 8, 5] from Operation: 90/18=5 Current State: 30:[10, 8, 5], Operations: ['90/18=5'] Exploring Operation: 8*5=40, Resulting Numbers: [10, 40] Generated Node #3: [10, 40] from Operation: 8*5=40 Current State: 30:[10, 40], Operations: ['90/18=5', '8*5=40'] Exploring Operation: 40-10=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[10, 90, 18, 8], Operations: [] Exploring Operation: 90/18=5, Resulting Numbers: [10, 8, 5] Generated Node #0,0: 30:[10, 8, 5] Operation: 90/18=5 Exploring Operation: 90/10=9, Resulting Numbers: [18, 8, 9] Generated Node #0,1: 30:[18, 8, 9] Operation: 90/10=9 Moving to Node #0,0 Current State: 30:[10, 8, 5], Operations: ['90/18=5'] Exploring Operation: 10-8=2, Resulting Numbers: [5, 2] Generated Node #0,0,0: 30:[5, 2] Operation: 10-8=2 Exploring Operation: 8-5=3, Resulting Numbers: [10, 3] Generated Node #0,0,1: 30:[10, 3] Operation: 8-5=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 30:[5, 2], Operations: ['90/18=5', '10-8=2'] Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,30 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 30:[10, 3], Operations: ['90/18=5', '8-5=3'] Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[10, 90, 18, 8], Operations: [] Exploring Operation: 90/18=5, Resulting Numbers: [10, 8, 5] Generated Node #0,0: 30:[10, 8, 5] Operation: 90/18=5 Moving to Node #0,0 Current State: 30:[10, 8, 5], Operations: ['90/18=5'] Exploring Operation: 8-5=3, Resulting Numbers: [10, 3] Generated Node #0,0,1: 30:[10, 3] Operation: 8-5=3 Moving to Node #0,0,1 Current State: 30:[10, 3], Operations: ['90/18=5', '8-5=3'] Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 71, 2, 14, 94 ]
30
[ "94-71=23", "14/2=7", "23+7=30" ]
Current State: 30:[71, 2, 14, 94], Operations: [] Exploring Operation: 94-71=23, Resulting Numbers: [2, 14, 23] Generated Node #2: [2, 14, 23] from Operation: 94-71=23 Current State: 30:[2, 14, 23], Operations: ['94-71=23'] Exploring Operation: 14/2=7, Resulting Numbers: [23, 7] Generated Node #3: [23, 7] from Operation: 14/2=7 Current State: 30:[23, 7], Operations: ['94-71=23', '14/2=7'] Exploring Operation: 23+7=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[71, 2, 14, 94], Operations: [] Exploring Operation: 94-71=23, Resulting Numbers: [2, 14, 23] Generated Node #0,0: 30:[2, 14, 23] Operation: 94-71=23 Exploring Operation: 94/2=47, Resulting Numbers: [71, 14, 47] Generated Node #0,1: 30:[71, 14, 47] Operation: 94/2=47 Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[2, 14, 23], Operations: ['94-71=23'] Exploring Operation: 2+23=25, Resulting Numbers: [14, 25] Generated Node #0,0,0: 30:[14, 25] Operation: 2+23=25 Exploring Operation: 23-14=9, Resulting Numbers: [2, 9] Generated Node #0,0,1: 30:[2, 9] Operation: 23-14=9 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 30:[2, 9], Operations: ['94-71=23', '23-14=9'] Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,30 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 30:[14, 25], Operations: ['94-71=23', '2+23=25'] Exploring Operation: 14+25=39, Resulting Numbers: [39] 39,30 unequal: No Solution Exploring Operation: 25-14=11, Resulting Numbers: [11] 11,30 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 Start Sub Search at level 1: Moving to Node #0,1 Current State: 30:[71, 14, 47], Operations: ['94/2=47'] Exploring Operation: 71-14=57, Resulting Numbers: [47, 57] Generated Node #0,1,0: 30:[47, 57] Operation: 71-14=57 Exploring Operation: 71-47=24, Resulting Numbers: [14, 24] Generated Node #0,1,1: 30:[14, 24] Operation: 71-47=24 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 30:[14, 24], Operations: ['94/2=47', '71-47=24'] Exploring Operation: 24-14=10, Resulting Numbers: [10] 10,30 unequal: No Solution Exploring Operation: 14+24=38, Resulting Numbers: [38] 38,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 30:[47, 57], Operations: ['94/2=47', '71-14=57'] Exploring Operation: 47+57=104, Resulting Numbers: [104] 104,30 unequal: No Solution Exploring Operation: 57-47=10, Resulting Numbers: [10] 10,30 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_2
sum_heuristic
[ 26, 56, 76, 47 ]
53
[ "26+56=82", "76-47=29", "82-29=53" ]
Current State: 53:[26, 56, 76, 47], Operations: [] Exploring Operation: 26+56=82, Resulting Numbers: [76, 47, 82] Generated Node #2: [76, 47, 82] from Operation: 26+56=82 Current State: 53:[76, 47, 82], Operations: ['26+56=82'] Exploring Operation: 76-47=29, Resulting Numbers: [82, 29] Generated Node #3: [82, 29] from Operation: 76-47=29 Current State: 53:[82, 29], Operations: ['26+56=82', '76-47=29'] Exploring Operation: 82-29=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[26, 56, 76, 47], Operations: [] Exploring Operation: 76-26=50, Resulting Numbers: [56, 47, 50] Generated Node #0,0: 53:[56, 47, 50] Operation: 76-26=50 Exploring Operation: 56-26=30, Resulting Numbers: [76, 47, 30] Generated Node #0,1: 53:[76, 47, 30] Operation: 56-26=30 Exploring Operation: 26+47=73, Resulting Numbers: [56, 76, 73] Generated Node #0,2: 53:[56, 76, 73] Operation: 26+47=73 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[56, 47, 50], Operations: ['76-26=50'] Exploring Operation: 56+47=103, Resulting Numbers: [50, 103] Generated Node #0,0,0: 53:[50, 103] Operation: 56+47=103 Exploring Operation: 47+50=97, Resulting Numbers: [56, 97] Generated Node #0,0,1: 53:[56, 97] Operation: 47+50=97 Exploring Operation: 56-47=9, Resulting Numbers: [50, 9] Generated Node #0,0,2: 53:[50, 9] Operation: 56-47=9 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 53:[56, 97], Operations: ['76-26=50', '47+50=97'] Exploring Operation: 97-56=41, Resulting Numbers: [41] 41,53 unequal: No Solution Exploring Operation: 56+97=153, Resulting Numbers: [153] 153,53 unequal: No Solution Exploring Operation: 56*97=5432, Resulting Numbers: [5432] 5432,53 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:[50, 9], Operations: ['76-26=50', '56-47=9'] Exploring Operation: 50*9=450, Resulting Numbers: [450] 450,53 unequal: No Solution Exploring Operation: 50-9=41, Resulting Numbers: [41] 41,53 unequal: No Solution Exploring Operation: 50+9=59, Resulting Numbers: [59] 59,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 53:[50, 103], Operations: ['76-26=50', '56+47=103'] Exploring Operation: 103-50=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[26, 56, 76, 47], Operations: [] Exploring Operation: 76-26=50, Resulting Numbers: [56, 47, 50] Generated Node #0,0: 53:[56, 47, 50] Operation: 76-26=50 Moving to Node #0,0 Current State: 53:[56, 47, 50], Operations: ['76-26=50'] Exploring Operation: 56+47=103, Resulting Numbers: [50, 103] Generated Node #0,0,0: 53:[50, 103] Operation: 56+47=103 Moving to Node #0,0,0 Current State: 53:[50, 103], Operations: ['76-26=50', '56+47=103'] Exploring Operation: 103-50=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_3
sum_heuristic
[ 50, 36, 40, 53 ]
12
[ "53-50=3", "40-36=4", "3*4=12" ]
Current State: 12:[50, 36, 40, 53], Operations: [] Exploring Operation: 53-50=3, Resulting Numbers: [36, 40, 3] Generated Node #2: [36, 40, 3] from Operation: 53-50=3 Current State: 12:[36, 40, 3], Operations: ['53-50=3'] Exploring Operation: 40-36=4, Resulting Numbers: [3, 4] Generated Node #3: [3, 4] from Operation: 40-36=4 Current State: 12:[3, 4], Operations: ['53-50=3', '40-36=4'] Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[50, 36, 40, 53], Operations: [] Exploring Operation: 53-40=13, Resulting Numbers: [50, 36, 13] Generated Node #0,0: 12:[50, 36, 13] Operation: 53-40=13 Exploring Operation: 50-36=14, Resulting Numbers: [40, 53, 14] Generated Node #0,1: 12:[40, 53, 14] Operation: 50-36=14 Exploring Operation: 50-40=10, Resulting Numbers: [36, 53, 10] Generated Node #0,2: 12:[36, 53, 10] Operation: 50-40=10 Exploring Operation: 53-50=3, Resulting Numbers: [36, 40, 3] Generated Node #0,3: 12:[36, 40, 3] Operation: 53-50=3 Exploring Operation: 53-36=17, Resulting Numbers: [50, 40, 17] Generated Node #0,4: 12:[50, 40, 17] Operation: 53-36=17 Moving to Node #0,3 Current State: 12:[36, 40, 3], Operations: ['53-50=3'] Exploring Operation: 36+3=39, Resulting Numbers: [40, 39] Generated Node #0,3,0: 12:[40, 39] Operation: 36+3=39 Exploring Operation: 36-3=33, Resulting Numbers: [40, 33] Generated Node #0,3,1: 12:[40, 33] Operation: 36-3=33 Exploring Operation: 40-3=37, Resulting Numbers: [36, 37] Generated Node #0,3,2: 12:[36, 37] Operation: 40-3=37 Exploring Operation: 36/3=12, Resulting Numbers: [40, 12] Generated Node #0,3,3: 12:[40, 12] Operation: 36/3=12 Exploring Operation: 40-36=4, Resulting Numbers: [3, 4] Generated Node #0,3,4: 12:[3, 4] Operation: 40-36=4 Moving to Node #0,0 Current State: 12:[50, 36, 13], Operations: ['53-40=13'] Exploring Operation: 36-13=23, Resulting Numbers: [50, 23] Generated Node #0,0,0: 12:[50, 23] Operation: 36-13=23 Exploring Operation: 50+36=86, Resulting Numbers: [13, 86] Generated Node #0,0,1: 12:[13, 86] Operation: 50+36=86 Exploring Operation: 50-13=37, Resulting Numbers: [36, 37] Generated Node #0,0,2: 12:[36, 37] Operation: 50-13=37 Exploring Operation: 50-36=14, Resulting Numbers: [13, 14] Generated Node #0,0,3: 12:[13, 14] Operation: 50-36=14 Exploring Operation: 50+13=63, Resulting Numbers: [36, 63] Generated Node #0,0,4: 12:[36, 63] Operation: 50+13=63 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 12:[13, 14], Operations: ['53-40=13', '50-36=14'] Exploring Operation: 14-13=1, Resulting Numbers: [1] 1,12 unequal: No Solution Exploring Operation: 13*14=182, Resulting Numbers: [182] 182,12 unequal: No Solution Exploring Operation: 13+14=27, Resulting Numbers: [27] 27,12 unequal: No Solution No 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: 12:[50, 23], Operations: ['53-40=13', '36-13=23'] Exploring Operation: 50*23=1150, Resulting Numbers: [1150] 1150,12 unequal: No Solution Exploring Operation: 50+23=73, Resulting Numbers: [73] 73,12 unequal: No Solution Exploring Operation: 50-23=27, Resulting Numbers: [27] 27,12 unequal: No Solution No 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: 12:[36, 37], Operations: ['53-40=13', '50-13=37'] Exploring Operation: 36*37=1332, Resulting Numbers: [1332] 1332,12 unequal: No Solution Exploring Operation: 37-36=1, Resulting Numbers: [1] 1,12 unequal: No Solution Exploring Operation: 36+37=73, Resulting Numbers: [73] 73,12 unequal: No Solution No 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: 12:[13, 86], Operations: ['53-40=13', '50+36=86'] Exploring Operation: 13*86=1118, Resulting Numbers: [1118] 1118,12 unequal: No Solution Exploring Operation: 13+86=99, Resulting Numbers: [99] 99,12 unequal: No Solution Exploring Operation: 86-13=73, Resulting Numbers: [73] 73,12 unequal: No Solution No 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: 12:[36, 63], Operations: ['53-40=13', '50+13=63'] Exploring Operation: 36+63=99, Resulting Numbers: [99] 99,12 unequal: No Solution Exploring Operation: 63-36=27, Resulting Numbers: [27] 27,12 unequal: No Solution Exploring Operation: 36*63=2268, Resulting Numbers: [2268] 2268,12 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: 12:[36, 53, 10], Operations: ['50-40=10'] Exploring Operation: 53+10=63, Resulting Numbers: [36, 63] Generated Node #0,2,0: 12:[36, 63] Operation: 53+10=63 Exploring Operation: 53-10=43, Resulting Numbers: [36, 43] Generated Node #0,2,1: 12:[36, 43] Operation: 53-10=43 Exploring Operation: 36-10=26, Resulting Numbers: [53, 26] Generated Node #0,2,2: 12:[53, 26] Operation: 36-10=26 Exploring Operation: 36+10=46, Resulting Numbers: [53, 46] Generated Node #0,2,3: 12:[53, 46] Operation: 36+10=46 Exploring Operation: 53-36=17, Resulting Numbers: [10, 17] Generated Node #0,2,4: 12:[10, 17] Operation: 53-36=17 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 12:[10, 17], Operations: ['50-40=10', '53-36=17'] Exploring Operation: 10*17=170, Resulting Numbers: [170] 170,12 unequal: No Solution Exploring Operation: 10+17=27, Resulting Numbers: [27] 27,12 unequal: No Solution Exploring Operation: 17-10=7, Resulting Numbers: [7] 7,12 unequal: No Solution No 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: 12:[36, 43], Operations: ['50-40=10', '53-10=43'] Exploring Operation: 43-36=7, Resulting Numbers: [7] 7,12 unequal: No Solution Exploring Operation: 36+43=79, Resulting Numbers: [79] 79,12 unequal: No Solution Exploring Operation: 36*43=1548, Resulting Numbers: [1548] 1548,12 unequal: No Solution No 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: 12:[53, 26], Operations: ['50-40=10', '36-10=26'] Exploring Operation: 53-26=27, Resulting Numbers: [27] 27,12 unequal: No Solution Exploring Operation: 53*26=1378, Resulting Numbers: [1378] 1378,12 unequal: No Solution Exploring Operation: 53+26=79, Resulting Numbers: [79] 79,12 unequal: No Solution No 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: 12:[36, 63], Operations: ['50-40=10', '53+10=63'] Exploring Operation: 36*63=2268, Resulting Numbers: [2268] 2268,12 unequal: No Solution Exploring Operation: 36+63=99, Resulting Numbers: [99] 99,12 unequal: No Solution Exploring Operation: 63-36=27, Resulting Numbers: [27] 27,12 unequal: No Solution No 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: 12:[53, 46], Operations: ['50-40=10', '36+10=46'] Exploring Operation: 53*46=2438, Resulting Numbers: [2438] 2438,12 unequal: No Solution Exploring Operation: 53-46=7, Resulting Numbers: [7] 7,12 unequal: No Solution Exploring Operation: 53+46=99, Resulting Numbers: [99] 99,12 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: 12:[40, 53, 14], Operations: ['50-36=14'] Exploring Operation: 53-40=13, Resulting Numbers: [14, 13] Generated Node #0,1,0: 12:[14, 13] Operation: 53-40=13 Exploring Operation: 40+14=54, Resulting Numbers: [53, 54] Generated Node #0,1,1: 12:[53, 54] Operation: 40+14=54 Exploring Operation: 40-14=26, Resulting Numbers: [53, 26] Generated Node #0,1,2: 12:[53, 26] Operation: 40-14=26 Exploring Operation: 53-14=39, Resulting Numbers: [40, 39] Generated Node #0,1,3: 12:[40, 39] Operation: 53-14=39 Exploring Operation: 40+53=93, Resulting Numbers: [14, 93] Generated Node #0,1,4: 12:[14, 93] Operation: 40+53=93 Moving to Node #0,4 Current State: 12:[50, 40, 17], Operations: ['53-36=17'] Exploring Operation: 40-17=23, Resulting Numbers: [50, 23] Generated Node #0,4,0: 12:[50, 23] Operation: 40-17=23 Exploring Operation: 50+40=90, Resulting Numbers: [17, 90] Generated Node #0,4,1: 12:[17, 90] Operation: 50+40=90 Exploring Operation: 50+17=67, Resulting Numbers: [40, 67] Generated Node #0,4,2: 12:[40, 67] Operation: 50+17=67 Exploring Operation: 50-17=33, Resulting Numbers: [40, 33] Generated Node #0,4,3: 12:[40, 33] Operation: 50-17=33 Exploring Operation: 50-40=10, Resulting Numbers: [17, 10] Generated Node #0,4,4: 12:[17, 10] Operation: 50-40=10 Moving to Node #0,3,4 Current State: 12:[3, 4], Operations: ['53-50=3', '40-36=4'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,12 unequal: No Solution Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,12 unequal: No Solution Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[50, 36, 40, 53], Operations: [] Exploring Operation: 53-50=3, Resulting Numbers: [36, 40, 3] Generated Node #0,3: 12:[36, 40, 3] Operation: 53-50=3 Moving to Node #0,3 Current State: 12:[36, 40, 3], Operations: ['53-50=3'] Exploring Operation: 40-36=4, Resulting Numbers: [3, 4] Generated Node #0,3,4: 12:[3, 4] Operation: 40-36=4 Moving to Node #0,3,4 Current State: 12:[3, 4], Operations: ['53-50=3', '40-36=4'] Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
0.94184
hs_5
sum_heuristic
[ 49, 33, 41, 38 ]
36
[ "49+33=82", "82/41=2", "38-2=36" ]
Current State: 36:[49, 33, 41, 38], Operations: [] Exploring Operation: 49+33=82, Resulting Numbers: [41, 38, 82] Generated Node #2: [41, 38, 82] from Operation: 49+33=82 Current State: 36:[41, 38, 82], Operations: ['49+33=82'] Exploring Operation: 82/41=2, Resulting Numbers: [38, 2] Generated Node #3: [38, 2] from Operation: 82/41=2 Current State: 36:[38, 2], Operations: ['49+33=82', '82/41=2'] Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[49, 33, 41, 38], Operations: [] Exploring Operation: 49-33=16, Resulting Numbers: [41, 38, 16] Generated Node #0,0: 36:[41, 38, 16] Operation: 49-33=16 Exploring Operation: 49-41=8, Resulting Numbers: [33, 38, 8] Generated Node #0,1: 36:[33, 38, 8] Operation: 49-41=8 Exploring Operation: 49-38=11, Resulting Numbers: [33, 41, 11] Generated Node #0,2: 36:[33, 41, 11] Operation: 49-38=11 Start Sub Search at level 1: Moving to Node #0,1 Current State: 36:[33, 38, 8], Operations: ['49-41=8'] Exploring Operation: 33+8=41, Resulting Numbers: [38, 41] Generated Node #0,1,0: 36:[38, 41] Operation: 33+8=41 Exploring Operation: 33-8=25, Resulting Numbers: [38, 25] Generated Node #0,1,1: 36:[38, 25] Operation: 33-8=25 Exploring Operation: 38-33=5, Resulting Numbers: [8, 5] Generated Node #0,1,2: 36:[8, 5] Operation: 38-33=5 Moving to Node #0,1,2 Current State: 36:[8, 5], Operations: ['49-41=8', '38-33=5'] Exploring Operation: 8+5=13, Resulting Numbers: [13] 13,36 unequal: No Solution Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,36 unequal: No Solution Exploring Operation: 8*5=40, Resulting Numbers: [40] 40,36 unequal: No Solution Moving to Node #0,1,0 Current State: 36:[38, 41], Operations: ['49-41=8', '33+8=41'] Exploring Operation: 38+41=79, Resulting Numbers: [79] 79,36 unequal: No Solution Exploring Operation: 41-38=3, Resulting Numbers: [3] 3,36 unequal: No Solution Exploring Operation: 38*41=1558, Resulting Numbers: [1558] 1558,36 unequal: No Solution Moving to Node #0,1,1 Current State: 36:[38, 25], Operations: ['49-41=8', '33-8=25'] Exploring Operation: 38*25=950, Resulting Numbers: [950] 950,36 unequal: No Solution Exploring Operation: 38-25=13, Resulting Numbers: [13] 13,36 unequal: No Solution Exploring Operation: 38+25=63, Resulting Numbers: [63] 63,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[41, 38, 16], Operations: ['49-33=16'] Exploring Operation: 38-16=22, Resulting Numbers: [41, 22] Generated Node #0,0,0: 36:[41, 22] Operation: 38-16=22 Exploring Operation: 41-16=25, Resulting Numbers: [38, 25] Generated Node #0,0,1: 36:[38, 25] Operation: 41-16=25 Exploring Operation: 41-38=3, Resulting Numbers: [16, 3] Generated Node #0,0,2: 36:[16, 3] Operation: 41-38=3 Moving to Node #0,0,2 Current State: 36:[16, 3], Operations: ['49-33=16', '41-38=3'] Exploring Operation: 16+3=19, Resulting Numbers: [19] 19,36 unequal: No Solution Exploring Operation: 16*3=48, Resulting Numbers: [48] 48,36 unequal: No Solution Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,36 unequal: No Solution Moving to Node #0,0,0 Current State: 36:[41, 22], Operations: ['49-33=16', '38-16=22'] Exploring Operation: 41-22=19, Resulting Numbers: [19] 19,36 unequal: No Solution Exploring Operation: 41+22=63, Resulting Numbers: [63] 63,36 unequal: No Solution Exploring Operation: 41*22=902, Resulting Numbers: [902] 902,36 unequal: No Solution Moving to Node #0,0,1 Current State: 36:[38, 25], Operations: ['49-33=16', '41-16=25'] Exploring Operation: 38*25=950, Resulting Numbers: [950] 950,36 unequal: No Solution Exploring Operation: 38+25=63, Resulting Numbers: [63] 63,36 unequal: No Solution Exploring Operation: 38-25=13, Resulting Numbers: [13] 13,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 36:[33, 41, 11], Operations: ['49-38=11'] Exploring Operation: 33-11=22, Resulting Numbers: [41, 22] Generated Node #0,2,0: 36:[41, 22] Operation: 33-11=22 Exploring Operation: 41-33=8, Resulting Numbers: [11, 8] Generated Node #0,2,1: 36:[11, 8] Operation: 41-33=8 Exploring Operation: 33/11=3, Resulting Numbers: [41, 3] Generated Node #0,2,2: 36:[41, 3] Operation: 33/11=3 Moving to Node #0,2,1 Current State: 36:[11, 8], Operations: ['49-38=11', '41-33=8'] Exploring Operation: 11*8=88, Resulting Numbers: [88] 88,36 unequal: No Solution Exploring Operation: 11+8=19, Resulting Numbers: [19] 19,36 unequal: No Solution Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,36 unequal: No Solution Moving to Node #0,2,2 Current State: 36:[41, 3], Operations: ['49-38=11', '33/11=3'] Exploring Operation: 41+3=44, Resulting Numbers: [44] 44,36 unequal: No Solution Exploring Operation: 41*3=123, Resulting Numbers: [123] 123,36 unequal: No Solution Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,36 unequal: No Solution Moving to Node #0,2,0 Current State: 36:[41, 22], Operations: ['49-38=11', '33-11=22'] Exploring Operation: 41+22=63, Resulting Numbers: [63] 63,36 unequal: No Solution Exploring Operation: 41*22=902, Resulting Numbers: [902] 902,36 unequal: No Solution Exploring Operation: 41-22=19, Resulting Numbers: [19] 19,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 92, 87, 75, 66 ]
14
[ "92-87=5", "75-66=9", "5+9=14" ]
Current State: 14:[92, 87, 75, 66], Operations: [] Exploring Operation: 92-87=5, Resulting Numbers: [75, 66, 5] Generated Node #2: [75, 66, 5] from Operation: 92-87=5 Current State: 14:[75, 66, 5], Operations: ['92-87=5'] Exploring Operation: 75-66=9, Resulting Numbers: [5, 9] Generated Node #3: [5, 9] from Operation: 75-66=9 Current State: 14:[5, 9], Operations: ['92-87=5', '75-66=9'] Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[92, 87, 75, 66], Operations: [] Exploring Operation: 92-87=5, Resulting Numbers: [75, 66, 5] Generated Node #0,0: 14:[75, 66, 5] Operation: 92-87=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[75, 66, 5], Operations: ['92-87=5'] Exploring Operation: 75-66=9, Resulting Numbers: [5, 9] Generated Node #0,0,0: 14:[5, 9] Operation: 75-66=9 Moving to Node #0,0,0 Current State: 14:[5, 9], Operations: ['92-87=5', '75-66=9'] Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[92, 87, 75, 66], Operations: [] Exploring Operation: 92-87=5, Resulting Numbers: [75, 66, 5] Generated Node #0,0: 14:[75, 66, 5] Operation: 92-87=5 Moving to Node #0,0 Current State: 14:[75, 66, 5], Operations: ['92-87=5'] Exploring Operation: 75-66=9, Resulting Numbers: [5, 9] Generated Node #0,0,0: 14:[5, 9] Operation: 75-66=9 Moving to Node #0,0,0 Current State: 14:[5, 9], Operations: ['92-87=5', '75-66=9'] Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 41, 7, 19, 69 ]
63
[ "41+19=60", "69-60=9", "7*9=63" ]
Current State: 63:[41, 7, 19, 69], Operations: [] Exploring Operation: 41+19=60, Resulting Numbers: [7, 69, 60] Generated Node #2: [7, 69, 60] from Operation: 41+19=60 Current State: 63:[7, 69, 60], Operations: ['41+19=60'] Exploring Operation: 69-60=9, Resulting Numbers: [7, 9] Generated Node #3: [7, 9] from Operation: 69-60=9 Current State: 63:[7, 9], Operations: ['41+19=60', '69-60=9'] Exploring Operation: 7*9=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[41, 7, 19, 69], Operations: [] Exploring Operation: 69-41=28, Resulting Numbers: [7, 19, 28] Generated Node #0,0: 63:[7, 19, 28] Operation: 69-41=28 Exploring Operation: 41+19=60, Resulting Numbers: [7, 69, 60] Generated Node #0,1: 63:[7, 69, 60] Operation: 41+19=60 Exploring Operation: 41-7=34, Resulting Numbers: [19, 69, 34] Generated Node #0,2: 63:[19, 69, 34] Operation: 41-7=34 Exploring Operation: 41-19=22, Resulting Numbers: [7, 69, 22] Generated Node #0,3: 63:[7, 69, 22] Operation: 41-19=22 Moving to Node #0,3 Current State: 63:[7, 69, 22], Operations: ['41-19=22'] Exploring Operation: 22-7=15, Resulting Numbers: [69, 15] Generated Node #0,3,0: 63:[69, 15] Operation: 22-7=15 Exploring Operation: 7+22=29, Resulting Numbers: [69, 29] Generated Node #0,3,1: 63:[69, 29] Operation: 7+22=29 Exploring Operation: 7+69=76, Resulting Numbers: [22, 76] Generated Node #0,3,2: 63:[22, 76] Operation: 7+69=76 Exploring Operation: 69-7=62, Resulting Numbers: [22, 62] Generated Node #0,3,3: 63:[22, 62] Operation: 69-7=62 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 63:[22, 62], Operations: ['41-19=22', '69-7=62'] Exploring Operation: 22+62=84, Resulting Numbers: [84] 84,63 unequal: No Solution Exploring Operation: 22*62=1364, Resulting Numbers: [1364] 1364,63 unequal: No Solution Exploring Operation: 62-22=40, Resulting Numbers: [40] 40,63 unequal: No Solution No 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: 63:[69, 15], Operations: ['41-19=22', '22-7=15'] Exploring Operation: 69+15=84, Resulting Numbers: [84] 84,63 unequal: No Solution Exploring Operation: 69-15=54, Resulting Numbers: [54] 54,63 unequal: No Solution Exploring Operation: 69*15=1035, Resulting Numbers: [1035] 1035,63 unequal: No Solution No 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: 63:[69, 29], Operations: ['41-19=22', '7+22=29'] Exploring Operation: 69+29=98, Resulting Numbers: [98] 98,63 unequal: No Solution Exploring Operation: 69*29=2001, Resulting Numbers: [2001] 2001,63 unequal: No Solution Exploring Operation: 69-29=40, Resulting Numbers: [40] 40,63 unequal: No Solution No 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: 63:[22, 76], Operations: ['41-19=22', '7+69=76'] Exploring Operation: 76-22=54, Resulting Numbers: [54] 54,63 unequal: No Solution Exploring Operation: 22*76=1672, Resulting Numbers: [1672] 1672,63 unequal: No Solution Exploring Operation: 22+76=98, Resulting Numbers: [98] 98,63 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: 63:[7, 69, 60], Operations: ['41+19=60'] Exploring Operation: 69-7=62, Resulting Numbers: [60, 62] Generated Node #0,1,0: 63:[60, 62] Operation: 69-7=62 Exploring Operation: 7+60=67, Resulting Numbers: [69, 67] Generated Node #0,1,1: 63:[69, 67] Operation: 7+60=67 Exploring Operation: 7+69=76, Resulting Numbers: [60, 76] Generated Node #0,1,2: 63:[60, 76] Operation: 7+69=76 Exploring Operation: 69-60=9, Resulting Numbers: [7, 9] Generated Node #0,1,3: 63:[7, 9] Operation: 69-60=9 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 63:[7, 9], Operations: ['41+19=60', '69-60=9'] Exploring Operation: 7+9=16, Resulting Numbers: [16] 16,63 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,63 unequal: No Solution Exploring Operation: 7*9=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[41, 7, 19, 69], Operations: [] Exploring Operation: 41+19=60, Resulting Numbers: [7, 69, 60] Generated Node #0,1: 63:[7, 69, 60] Operation: 41+19=60 Moving to Node #0,1 Current State: 63:[7, 69, 60], Operations: ['41+19=60'] Exploring Operation: 69-60=9, Resulting Numbers: [7, 9] Generated Node #0,1,3: 63:[7, 9] Operation: 69-60=9 Moving to Node #0,1,3 Current State: 63:[7, 9], Operations: ['41+19=60', '69-60=9'] Exploring Operation: 7*9=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_4
sum_heuristic
[ 75, 6, 19, 7 ]
73
[ "19-7=12", "12/6=2", "75-2=73" ]
Current State: 73:[75, 6, 19, 7], Operations: [] Exploring Operation: 19-7=12, Resulting Numbers: [75, 6, 12] Generated Node #2: [75, 6, 12] from Operation: 19-7=12 Current State: 73:[75, 6, 12], Operations: ['19-7=12'] Exploring Operation: 12/6=2, Resulting Numbers: [75, 2] Generated Node #3: [75, 2] from Operation: 12/6=2 Current State: 73:[75, 2], Operations: ['19-7=12', '12/6=2'] Exploring Operation: 75-2=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[75, 6, 19, 7], Operations: [] Exploring Operation: 6*7=42, Resulting Numbers: [75, 19, 42] Generated Node #0,0: 73:[75, 19, 42] Operation: 6*7=42 Exploring Operation: 6*19=114, Resulting Numbers: [75, 7, 114] Generated Node #0,1: 73:[75, 7, 114] Operation: 6*19=114 Moving to Node #0,0 Current State: 73:[75, 19, 42], Operations: ['6*7=42'] Exploring Operation: 75-19=56, Resulting Numbers: [42, 56] Generated Node #0,0,0: 73:[42, 56] Operation: 75-19=56 Exploring Operation: 19+42=61, Resulting Numbers: [75, 61] Generated Node #0,0,1: 73:[75, 61] Operation: 19+42=61 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 73:[75, 61], Operations: ['6*7=42', '19+42=61'] Exploring Operation: 75+61=136, Resulting Numbers: [136] 136,73 unequal: No Solution Exploring Operation: 75-61=14, Resulting Numbers: [14] 14,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 73:[42, 56], Operations: ['6*7=42', '75-19=56'] Exploring Operation: 56-42=14, Resulting Numbers: [14] 14,73 unequal: No Solution Exploring Operation: 42+56=98, Resulting Numbers: [98] 98,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 73:[75, 7, 114], Operations: ['6*19=114'] Exploring Operation: 75-7=68, Resulting Numbers: [114, 68] Generated Node #0,1,0: 73:[114, 68] Operation: 75-7=68 Exploring Operation: 114-7=107, Resulting Numbers: [75, 107] Generated Node #0,1,1: 73:[75, 107] Operation: 114-7=107 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 73:[75, 107], Operations: ['6*19=114', '114-7=107'] Exploring Operation: 75+107=182, Resulting Numbers: [182] 182,73 unequal: No Solution Exploring Operation: 107-75=32, Resulting Numbers: [32] 32,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 73:[114, 68], Operations: ['6*19=114', '75-7=68'] Exploring Operation: 114+68=182, Resulting Numbers: [182] 182,73 unequal: No Solution Exploring Operation: 114-68=46, Resulting Numbers: [46] 46,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 40, 14, 92, 8 ]
83
[ "40/8=5", "92-14=78", "5+78=83" ]
Current State: 83:[40, 14, 92, 8], Operations: [] Exploring Operation: 40/8=5, Resulting Numbers: [14, 92, 5] Generated Node #2: [14, 92, 5] from Operation: 40/8=5 Current State: 83:[14, 92, 5], Operations: ['40/8=5'] Exploring Operation: 92-14=78, Resulting Numbers: [5, 78] Generated Node #3: [5, 78] from Operation: 92-14=78 Current State: 83:[5, 78], Operations: ['40/8=5', '92-14=78'] Exploring Operation: 5+78=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[40, 14, 92, 8], Operations: [] Exploring Operation: 14*8=112, Resulting Numbers: [40, 92, 112] Generated Node #0,0: 83:[40, 92, 112] Operation: 14*8=112 Moving to Node #0,0 Current State: 83:[40, 92, 112], Operations: ['14*8=112'] Exploring Operation: 112-40=72, Resulting Numbers: [92, 72] Generated Node #0,0,0: 83:[92, 72] Operation: 112-40=72 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 83:[92, 72], Operations: ['14*8=112', '112-40=72'] Exploring Operation: 92-72=20, Resulting Numbers: [20] 20,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 97, 13, 34, 12 ]
25
[ "97+34=131", "13*12=156", "156-131=25" ]
Current State: 25:[97, 13, 34, 12], Operations: [] Exploring Operation: 97+34=131, Resulting Numbers: [13, 12, 131] Generated Node #2: [13, 12, 131] from Operation: 97+34=131 Current State: 25:[13, 12, 131], Operations: ['97+34=131'] Exploring Operation: 13*12=156, Resulting Numbers: [131, 156] Generated Node #3: [131, 156] from Operation: 13*12=156 Current State: 25:[131, 156], Operations: ['97+34=131', '13*12=156'] Exploring Operation: 156-131=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[97, 13, 34, 12], Operations: [] Exploring Operation: 97-34=63, Resulting Numbers: [13, 12, 63] Generated Node #0,0: 25:[13, 12, 63] Operation: 97-34=63 Exploring Operation: 97-13=84, Resulting Numbers: [34, 12, 84] Generated Node #0,1: 25:[34, 12, 84] Operation: 97-13=84 Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[13, 12, 63], Operations: ['97-34=63'] Exploring Operation: 63-13=50, Resulting Numbers: [12, 50] Generated Node #0,0,0: 25:[12, 50] Operation: 63-13=50 Exploring Operation: 63-12=51, Resulting Numbers: [13, 51] Generated Node #0,0,1: 25:[13, 51] Operation: 63-12=51 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 25:[12, 50], Operations: ['97-34=63', '63-13=50'] Exploring Operation: 12+50=62, Resulting Numbers: [62] 62,25 unequal: No Solution Exploring Operation: 50-12=38, Resulting Numbers: [38] 38,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 25:[13, 51], Operations: ['97-34=63', '63-12=51'] Exploring Operation: 13+51=64, Resulting Numbers: [64] 64,25 unequal: No Solution Exploring Operation: 51-13=38, Resulting Numbers: [38] 38,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[34, 12, 84], Operations: ['97-13=84'] Exploring Operation: 84-34=50, Resulting Numbers: [12, 50] Generated Node #0,1,0: 25:[12, 50] Operation: 84-34=50 Exploring Operation: 84/12=7, Resulting Numbers: [34, 7] Generated Node #0,1,1: 25:[34, 7] Operation: 84/12=7 Moving to Node #0,1,1 Current State: 25:[34, 7], Operations: ['97-13=84', '84/12=7'] Exploring Operation: 34-7=27, Resulting Numbers: [27] 27,25 unequal: No Solution Exploring Operation: 34+7=41, Resulting Numbers: [41] 41,25 unequal: No Solution Moving to Node #0,1,0 Current State: 25:[12, 50], Operations: ['97-13=84', '84-34=50'] Exploring Operation: 50-12=38, Resulting Numbers: [38] 38,25 unequal: No Solution Exploring Operation: 12+50=62, Resulting Numbers: [62] 62,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 21, 74, 70, 35 ]
18
[ "74-21=53", "70-35=35", "53-35=18" ]
Current State: 18:[21, 74, 70, 35], Operations: [] Exploring Operation: 74-21=53, Resulting Numbers: [70, 35, 53] Generated Node #2: [70, 35, 53] from Operation: 74-21=53 Current State: 18:[70, 35, 53], Operations: ['74-21=53'] Exploring Operation: 70-35=35, Resulting Numbers: [53, 35] Generated Node #3: [53, 35] from Operation: 70-35=35 Current State: 18:[53, 35], Operations: ['74-21=53', '70-35=35'] Exploring Operation: 53-35=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[21, 74, 70, 35], Operations: [] Exploring Operation: 74-70=4, Resulting Numbers: [21, 35, 4] Generated Node #0,0: 18:[21, 35, 4] Operation: 74-70=4 Exploring Operation: 70/35=2, Resulting Numbers: [21, 74, 2] Generated Node #0,1: 18:[21, 74, 2] Operation: 70/35=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[21, 35, 4], Operations: ['74-70=4'] Exploring Operation: 35-4=31, Resulting Numbers: [21, 31] Generated Node #0,0,0: 18:[21, 31] Operation: 35-4=31 Exploring Operation: 35-21=14, Resulting Numbers: [4, 14] Generated Node #0,0,1: 18:[4, 14] Operation: 35-21=14 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 18:[4, 14], Operations: ['74-70=4', '35-21=14'] Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,18 unequal: No Solution Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[21, 74, 70, 35], Operations: [] Exploring Operation: 74-70=4, Resulting Numbers: [21, 35, 4] Generated Node #0,0: 18:[21, 35, 4] Operation: 74-70=4 Moving to Node #0,0 Current State: 18:[21, 35, 4], Operations: ['74-70=4'] Exploring Operation: 35-21=14, Resulting Numbers: [4, 14] Generated Node #0,0,1: 18:[4, 14] Operation: 35-21=14 Moving to Node #0,0,1 Current State: 18:[4, 14], Operations: ['74-70=4', '35-21=14'] Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 8, 27, 10, 1 ]
11
[ "10-1=9", "27/9=3", "8+3=11" ]
Current State: 11:[8, 27, 10, 1], Operations: [] Exploring Operation: 10-1=9, Resulting Numbers: [8, 27, 9] Generated Node #2: [8, 27, 9] from Operation: 10-1=9 Current State: 11:[8, 27, 9], Operations: ['10-1=9'] Exploring Operation: 27/9=3, Resulting Numbers: [8, 3] Generated Node #3: [8, 3] from Operation: 27/9=3 Current State: 11:[8, 3], Operations: ['10-1=9', '27/9=3'] Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[8, 27, 10, 1], Operations: [] Exploring Operation: 8+1=9, Resulting Numbers: [27, 10, 9] Generated Node #0,0: 11:[27, 10, 9] Operation: 8+1=9 Exploring Operation: 27-8=19, Resulting Numbers: [10, 1, 19] Generated Node #0,1: 11:[10, 1, 19] Operation: 27-8=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[27, 10, 9], Operations: ['8+1=9'] Exploring Operation: 27-9=18, Resulting Numbers: [10, 18] Generated Node #0,0,0: 11:[10, 18] Operation: 27-9=18 Exploring Operation: 27-10=17, Resulting Numbers: [9, 17] Generated Node #0,0,1: 11:[9, 17] Operation: 27-10=17 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 11:[10, 18], Operations: ['8+1=9', '27-9=18'] Exploring Operation: 10+18=28, Resulting Numbers: [28] 28,11 unequal: No Solution Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 11:[9, 17], Operations: ['8+1=9', '27-10=17'] Exploring Operation: 9+17=26, Resulting Numbers: [26] 26,11 unequal: No Solution Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 11:[10, 1, 19], Operations: ['27-8=19'] Exploring Operation: 10+1=11, Resulting Numbers: [19, 11] Generated Node #0,1,0: 11:[19, 11] Operation: 10+1=11 Exploring Operation: 19-1=18, Resulting Numbers: [10, 18] Generated Node #0,1,1: 11:[10, 18] Operation: 19-1=18 Moving to Node #0,1,0 Current State: 11:[19, 11], Operations: ['27-8=19', '10+1=11'] Exploring Operation: 19+11=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 19-11=8, Resulting Numbers: [8] 8,11 unequal: No Solution Moving to Node #0,1,1 Current State: 11:[10, 18], Operations: ['27-8=19', '19-1=18'] Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,11 unequal: No Solution Exploring Operation: 10+18=28, Resulting Numbers: [28] 28,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 9, 83, 31, 28 ]
95
[ "9+83=92", "31-28=3", "92+3=95" ]
Current State: 95:[9, 83, 31, 28], Operations: [] Exploring Operation: 9+83=92, Resulting Numbers: [31, 28, 92] Generated Node #2: [31, 28, 92] from Operation: 9+83=92 Current State: 95:[31, 28, 92], Operations: ['9+83=92'] Exploring Operation: 31-28=3, Resulting Numbers: [92, 3] Generated Node #3: [92, 3] from Operation: 31-28=3 Current State: 95:[92, 3], Operations: ['9+83=92', '31-28=3'] Exploring Operation: 92+3=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[9, 83, 31, 28], Operations: [] Exploring Operation: 9+83=92, Resulting Numbers: [31, 28, 92] Generated Node #0,0: 95:[31, 28, 92] Operation: 9+83=92 Exploring Operation: 31-28=3, Resulting Numbers: [9, 83, 3] Generated Node #0,1: 95:[9, 83, 3] Operation: 31-28=3 Moving to Node #0,1 Current State: 95:[9, 83, 3], Operations: ['31-28=3'] Exploring Operation: 9+83=92, Resulting Numbers: [3, 92] Generated Node #0,1,0: 95:[3, 92] Operation: 9+83=92 Exploring Operation: 9-3=6, Resulting Numbers: [83, 6] Generated Node #0,1,1: 95:[83, 6] Operation: 9-3=6 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 95:[3, 92], Operations: ['31-28=3', '9+83=92'] Exploring Operation: 3+92=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[9, 83, 31, 28], Operations: [] Exploring Operation: 31-28=3, Resulting Numbers: [9, 83, 3] Generated Node #0,1: 95:[9, 83, 3] Operation: 31-28=3 Moving to Node #0,1 Current State: 95:[9, 83, 3], Operations: ['31-28=3'] Exploring Operation: 9+83=92, Resulting Numbers: [3, 92] Generated Node #0,1,0: 95:[3, 92] Operation: 9+83=92 Moving to Node #0,1,0 Current State: 95:[3, 92], Operations: ['31-28=3', '9+83=92'] Exploring Operation: 3+92=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 10, 40, 83, 5 ]
84
[ "40/10=4", "83+5=88", "88-4=84" ]
Current State: 84:[10, 40, 83, 5], Operations: [] Exploring Operation: 40/10=4, Resulting Numbers: [83, 5, 4] Generated Node #2: [83, 5, 4] from Operation: 40/10=4 Current State: 84:[83, 5, 4], Operations: ['40/10=4'] Exploring Operation: 83+5=88, Resulting Numbers: [4, 88] Generated Node #3: [4, 88] from Operation: 83+5=88 Current State: 84:[4, 88], Operations: ['40/10=4', '83+5=88'] Exploring Operation: 88-4=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[10, 40, 83, 5], Operations: [] Exploring Operation: 40/10=4, Resulting Numbers: [83, 5, 4] Generated Node #0,0: 84:[83, 5, 4] Operation: 40/10=4 Moving to Node #0,0 Current State: 84:[83, 5, 4], Operations: ['40/10=4'] Exploring Operation: 5*4=20, Resulting Numbers: [83, 20] Generated Node #0,0,0: 84:[83, 20] Operation: 5*4=20 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 84:[83, 20], Operations: ['40/10=4', '5*4=20'] Exploring Operation: 83+20=103, Resulting Numbers: [103] 103,84 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
[ 62, 6, 47, 74 ]
95
[ "62+6=68", "74-47=27", "68+27=95" ]
Current State: 95:[62, 6, 47, 74], Operations: [] Exploring Operation: 62+6=68, Resulting Numbers: [47, 74, 68] Generated Node #2: [47, 74, 68] from Operation: 62+6=68 Current State: 95:[47, 74, 68], Operations: ['62+6=68'] Exploring Operation: 74-47=27, Resulting Numbers: [68, 27] Generated Node #3: [68, 27] from Operation: 74-47=27 Current State: 95:[68, 27], Operations: ['62+6=68', '74-47=27'] Exploring Operation: 68+27=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[62, 6, 47, 74], Operations: [] Exploring Operation: 74-62=12, Resulting Numbers: [6, 47, 12] Generated Node #0,0: 95:[6, 47, 12] Operation: 74-62=12 Exploring Operation: 62-47=15, Resulting Numbers: [6, 74, 15] Generated Node #0,1: 95:[6, 74, 15] Operation: 62-47=15 Exploring Operation: 62+47=109, Resulting Numbers: [6, 74, 109] Generated Node #0,2: 95:[6, 74, 109] Operation: 62+47=109 Start Sub Search at level 1: Moving to Node #0,1 Current State: 95:[6, 74, 15], Operations: ['62-47=15'] Exploring Operation: 74+15=89, Resulting Numbers: [6, 89] Generated Node #0,1,0: 95:[6, 89] Operation: 74+15=89 Exploring Operation: 6+15=21, Resulting Numbers: [74, 21] Generated Node #0,1,1: 95:[74, 21] Operation: 6+15=21 Exploring Operation: 6+74=80, Resulting Numbers: [15, 80] Generated Node #0,1,2: 95:[15, 80] Operation: 6+74=80 Moving to Node #0,1,0 Current State: 95:[6, 89], Operations: ['62-47=15', '74+15=89'] Exploring Operation: 6*89=534, Resulting Numbers: [534] 534,95 unequal: No Solution Exploring Operation: 89-6=83, Resulting Numbers: [83] 83,95 unequal: No Solution Exploring Operation: 6+89=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[62, 6, 47, 74], Operations: [] Exploring Operation: 62-47=15, Resulting Numbers: [6, 74, 15] Generated Node #0,1: 95:[6, 74, 15] Operation: 62-47=15 Moving to Node #0,1 Current State: 95:[6, 74, 15], Operations: ['62-47=15'] Exploring Operation: 74+15=89, Resulting Numbers: [6, 89] Generated Node #0,1,0: 95:[6, 89] Operation: 74+15=89 Moving to Node #0,1,0 Current State: 95:[6, 89], Operations: ['62-47=15', '74+15=89'] Exploring Operation: 6+89=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 70, 74, 26, 11 ]
60
[ "74-70=4", "26-11=15", "4*15=60" ]
Current State: 60:[70, 74, 26, 11], Operations: [] Exploring Operation: 74-70=4, Resulting Numbers: [26, 11, 4] Generated Node #2: [26, 11, 4] from Operation: 74-70=4 Current State: 60:[26, 11, 4], Operations: ['74-70=4'] Exploring Operation: 26-11=15, Resulting Numbers: [4, 15] Generated Node #3: [4, 15] from Operation: 26-11=15 Current State: 60:[4, 15], Operations: ['74-70=4', '26-11=15'] Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[70, 74, 26, 11], Operations: [] Exploring Operation: 26-11=15, Resulting Numbers: [70, 74, 15] Generated Node #0,0: 60:[70, 74, 15] Operation: 26-11=15 Exploring Operation: 74-11=63, Resulting Numbers: [70, 26, 63] Generated Node #0,1: 60:[70, 26, 63] Operation: 74-11=63 Exploring Operation: 74-70=4, Resulting Numbers: [26, 11, 4] Generated Node #0,2: 60:[26, 11, 4] Operation: 74-70=4 Exploring Operation: 70-11=59, Resulting Numbers: [74, 26, 59] Generated Node #0,3: 60:[74, 26, 59] Operation: 70-11=59 Exploring Operation: 74-26=48, Resulting Numbers: [70, 11, 48] Generated Node #0,4: 60:[70, 11, 48] Operation: 74-26=48 Start Sub Search at level 1: Moving to Node #0,2 Current State: 60:[26, 11, 4], Operations: ['74-70=4'] Exploring Operation: 11+4=15, Resulting Numbers: [26, 15] Generated Node #0,2,0: 60:[26, 15] Operation: 11+4=15 Exploring Operation: 26+4=30, Resulting Numbers: [11, 30] Generated Node #0,2,1: 60:[11, 30] Operation: 26+4=30 Exploring Operation: 11-4=7, Resulting Numbers: [26, 7] Generated Node #0,2,2: 60:[26, 7] Operation: 11-4=7 Exploring Operation: 26-4=22, Resulting Numbers: [11, 22] Generated Node #0,2,3: 60:[11, 22] Operation: 26-4=22 Exploring Operation: 26-11=15, Resulting Numbers: [4, 15] Generated Node #0,2,4: 60:[4, 15] Operation: 26-11=15 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 60:[4, 15], Operations: ['74-70=4', '26-11=15'] Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,60 unequal: No Solution Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[70, 74, 26, 11], Operations: [] Exploring Operation: 74-70=4, Resulting Numbers: [26, 11, 4] Generated Node #0,2: 60:[26, 11, 4] Operation: 74-70=4 Moving to Node #0,2 Current State: 60:[26, 11, 4], Operations: ['74-70=4'] Exploring Operation: 26-11=15, Resulting Numbers: [4, 15] Generated Node #0,2,4: 60:[4, 15] Operation: 26-11=15 Moving to Node #0,2,4 Current State: 60:[4, 15], Operations: ['74-70=4', '26-11=15'] Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 32, 56, 1, 52 ]
77
[ "56-32=24", "1+52=53", "24+53=77" ]
Current State: 77:[32, 56, 1, 52], Operations: [] Exploring Operation: 56-32=24, Resulting Numbers: [1, 52, 24] Generated Node #2: [1, 52, 24] from Operation: 56-32=24 Current State: 77:[1, 52, 24], Operations: ['56-32=24'] Exploring Operation: 1+52=53, Resulting Numbers: [24, 53] Generated Node #3: [24, 53] from Operation: 1+52=53 Current State: 77:[24, 53], Operations: ['56-32=24', '1+52=53'] Exploring Operation: 24+53=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[32, 56, 1, 52], Operations: [] Exploring Operation: 56-32=24, Resulting Numbers: [1, 52, 24] Generated Node #0,0: 77:[1, 52, 24] Operation: 56-32=24 Exploring Operation: 32+56=88, Resulting Numbers: [1, 52, 88] Generated Node #0,1: 77:[1, 52, 88] Operation: 32+56=88 Exploring Operation: 32+52=84, Resulting Numbers: [56, 1, 84] Generated Node #0,2: 77:[56, 1, 84] Operation: 32+52=84 Exploring Operation: 52-32=20, Resulting Numbers: [56, 1, 20] Generated Node #0,3: 77:[56, 1, 20] Operation: 52-32=20 Exploring Operation: 56-52=4, Resulting Numbers: [32, 1, 4] Generated Node #0,4: 77:[32, 1, 4] Operation: 56-52=4 Moving to Node #0,4 Current State: 77:[32, 1, 4], Operations: ['56-52=4'] Exploring Operation: 1+4=5, Resulting Numbers: [32, 5] Generated Node #0,4,0: 77:[32, 5] Operation: 1+4=5 Exploring Operation: 32*1=32, Resulting Numbers: [4, 32] Generated Node #0,4,1: 77:[4, 32] Operation: 32*1=32 Exploring Operation: 32-1=31, Resulting Numbers: [4, 31] Generated Node #0,4,2: 77:[4, 31] Operation: 32-1=31 Exploring Operation: 32/4=8, Resulting Numbers: [1, 8] Generated Node #0,4,3: 77:[1, 8] Operation: 32/4=8 Exploring Operation: 32-4=28, Resulting Numbers: [1, 28] Generated Node #0,4,4: 77:[1, 28] Operation: 32-4=28 Moving to Node #0,2 Current State: 77:[56, 1, 84], Operations: ['32+52=84'] Exploring Operation: 84-56=28, Resulting Numbers: [1, 28] Generated Node #0,2,0: 77:[1, 28] Operation: 84-56=28 Exploring Operation: 56*1=56, Resulting Numbers: [84, 56] Generated Node #0,2,1: 77:[84, 56] Operation: 56*1=56 Exploring Operation: 84-1=83, Resulting Numbers: [56, 83] Generated Node #0,2,2: 77:[56, 83] Operation: 84-1=83 Exploring Operation: 56+1=57, Resulting Numbers: [84, 57] Generated Node #0,2,3: 77:[84, 57] Operation: 56+1=57 Exploring Operation: 56/1=56, Resulting Numbers: [84, 56] Generated Node #0,2,4: 77:[84, 56] Operation: 56/1=56 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 77:[1, 28], Operations: ['32+52=84', '84-56=28'] Exploring Operation: 1+28=29, Resulting Numbers: [29] 29,77 unequal: No Solution Exploring Operation: 28/1=28, Resulting Numbers: [28] 28,77 unequal: No Solution Exploring Operation: 28-1=27, Resulting Numbers: [27] 27,77 unequal: No Solution Exploring Operation: 1*28=28, Resulting Numbers: [28] 28,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 77:[56, 83], Operations: ['32+52=84', '84-1=83'] Exploring Operation: 56*83=4648, Resulting Numbers: [4648] 4648,77 unequal: No Solution Exploring Operation: 83-56=27, Resulting Numbers: [27] 27,77 unequal: No Solution Exploring Operation: 56+83=139, Resulting Numbers: [139] 139,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 77:[84, 57], Operations: ['32+52=84', '56+1=57'] Exploring Operation: 84-57=27, Resulting Numbers: [27] 27,77 unequal: No Solution Exploring Operation: 84*57=4788, Resulting Numbers: [4788] 4788,77 unequal: No Solution Exploring Operation: 84+57=141, Resulting Numbers: [141] 141,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 77:[84, 56], Operations: ['32+52=84', '56*1=56'] Exploring Operation: 84-56=28, Resulting Numbers: [28] 28,77 unequal: No Solution Exploring Operation: 84+56=140, Resulting Numbers: [140] 140,77 unequal: No Solution Exploring Operation: 84*56=4704, Resulting Numbers: [4704] 4704,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 77:[84, 56], Operations: ['32+52=84', '56/1=56'] Exploring Operation: 84*56=4704, Resulting Numbers: [4704] 4704,77 unequal: No Solution Exploring Operation: 84+56=140, Resulting Numbers: [140] 140,77 unequal: No Solution Exploring Operation: 84-56=28, Resulting Numbers: [28] 28,77 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: 77:[56, 1, 20], Operations: ['52-32=20'] Exploring Operation: 56+1=57, Resulting Numbers: [20, 57] Generated Node #0,3,0: 77:[20, 57] Operation: 56+1=57 Exploring Operation: 20-1=19, Resulting Numbers: [56, 19] Generated Node #0,3,1: 77:[56, 19] Operation: 20-1=19 Exploring Operation: 56+20=76, Resulting Numbers: [1, 76] Generated Node #0,3,2: 77:[1, 76] Operation: 56+20=76 Exploring Operation: 56*1=56, Resulting Numbers: [20, 56] Generated Node #0,3,3: 77:[20, 56] Operation: 56*1=56 Exploring Operation: 56/1=56, Resulting Numbers: [20, 56] Generated Node #0,3,4: 77:[20, 56] Operation: 56/1=56 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 77:[1, 76], Operations: ['52-32=20', '56+20=76'] Exploring Operation: 76/1=76, Resulting Numbers: [76] 76,77 unequal: No Solution Exploring Operation: 1+76=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[32, 56, 1, 52], Operations: [] Exploring Operation: 52-32=20, Resulting Numbers: [56, 1, 20] Generated Node #0,3: 77:[56, 1, 20] Operation: 52-32=20 Moving to Node #0,3 Current State: 77:[56, 1, 20], Operations: ['52-32=20'] Exploring Operation: 56+20=76, Resulting Numbers: [1, 76] Generated Node #0,3,2: 77:[1, 76] Operation: 56+20=76 Moving to Node #0,3,2 Current State: 77:[1, 76], Operations: ['52-32=20', '56+20=76'] Exploring Operation: 1+76=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 1
0.963542
hs_5
sum_heuristic
[ 86, 84, 5, 80 ]
85
[ "86+84=170", "5+80=85", "170-85=85" ]
Current State: 85:[86, 84, 5, 80], Operations: [] Exploring Operation: 86+84=170, Resulting Numbers: [5, 80, 170] Generated Node #2: [5, 80, 170] from Operation: 86+84=170 Current State: 85:[5, 80, 170], Operations: ['86+84=170'] Exploring Operation: 5+80=85, Resulting Numbers: [170, 85] Generated Node #3: [170, 85] from Operation: 5+80=85 Current State: 85:[170, 85], Operations: ['86+84=170', '5+80=85'] Exploring Operation: 170-85=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[86, 84, 5, 80], Operations: [] Exploring Operation: 86-80=6, Resulting Numbers: [84, 5, 6] Generated Node #0,0: 85:[84, 5, 6] Operation: 86-80=6 Exploring Operation: 84-80=4, Resulting Numbers: [86, 5, 4] Generated Node #0,1: 85:[86, 5, 4] Operation: 84-80=4 Exploring Operation: 5+80=85, Resulting Numbers: [86, 84, 85] Generated Node #0,2: 85:[86, 84, 85] Operation: 5+80=85 Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[84, 5, 6], Operations: ['86-80=6'] Exploring Operation: 84+5=89, Resulting Numbers: [6, 89] Generated Node #0,0,0: 85:[6, 89] Operation: 84+5=89 Exploring Operation: 84+6=90, Resulting Numbers: [5, 90] Generated Node #0,0,1: 85:[5, 90] Operation: 84+6=90 Exploring Operation: 84/6=14, Resulting Numbers: [5, 14] Generated Node #0,0,2: 85:[5, 14] Operation: 84/6=14 Moving to Node #0,0,2 Current State: 85:[5, 14], Operations: ['86-80=6', '84/6=14'] Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,85 unequal: No Solution Exploring Operation: 5*14=70, Resulting Numbers: [70] 70,85 unequal: No Solution Exploring Operation: 5+14=19, Resulting Numbers: [19] 19,85 unequal: No Solution Moving to Node #0,0,0 Current State: 85:[6, 89], Operations: ['86-80=6', '84+5=89'] Exploring Operation: 6+89=95, Resulting Numbers: [95] 95,85 unequal: No Solution Exploring Operation: 89-6=83, Resulting Numbers: [83] 83,85 unequal: No Solution Exploring Operation: 6*89=534, Resulting Numbers: [534] 534,85 unequal: No Solution Moving to Node #0,0,1 Current State: 85:[5, 90], Operations: ['86-80=6', '84+6=90'] Exploring Operation: 90/5=18, Resulting Numbers: [18] 18,85 unequal: No Solution Exploring Operation: 5+90=95, Resulting Numbers: [95] 95,85 unequal: No Solution Exploring Operation: 90-5=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[86, 84, 5, 80], Operations: [] Exploring Operation: 86-80=6, Resulting Numbers: [84, 5, 6] Generated Node #0,0: 85:[84, 5, 6] Operation: 86-80=6 Moving to Node #0,0 Current State: 85:[84, 5, 6], Operations: ['86-80=6'] Exploring Operation: 84+6=90, Resulting Numbers: [5, 90] Generated Node #0,0,1: 85:[5, 90] Operation: 84+6=90 Moving to Node #0,0,1 Current State: 85:[5, 90], Operations: ['86-80=6', '84+6=90'] Exploring Operation: 90-5=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_3
mult_heuristic
[ 15, 5, 55, 48 ]
89
[ "15/5=3", "48*3=144", "144-55=89" ]
Current State: 89:[15, 5, 55, 48], Operations: [] Exploring Operation: 15/5=3, Resulting Numbers: [55, 48, 3] Generated Node #2: [55, 48, 3] from Operation: 15/5=3 Current State: 89:[55, 48, 3], Operations: ['15/5=3'] Exploring Operation: 48*3=144, Resulting Numbers: [55, 144] Generated Node #3: [55, 144] from Operation: 48*3=144 Current State: 89:[55, 144], Operations: ['15/5=3', '48*3=144'] Exploring Operation: 144-55=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[15, 5, 55, 48], Operations: [] Exploring Operation: 15+5=20, Resulting Numbers: [55, 48, 20] Generated Node #0,0: 89:[55, 48, 20] Operation: 15+5=20 Exploring Operation: 15*5=75, Resulting Numbers: [55, 48, 75] Generated Node #0,1: 89:[55, 48, 75] Operation: 15*5=75 Moving to Node #0,1 Current State: 89:[55, 48, 75], Operations: ['15*5=75'] Exploring Operation: 55+48=103, Resulting Numbers: [75, 103] Generated Node #0,1,0: 89:[75, 103] Operation: 55+48=103 Exploring Operation: 48+75=123, Resulting Numbers: [55, 123] Generated Node #0,1,1: 89:[55, 123] Operation: 48+75=123 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 89:[75, 103], Operations: ['15*5=75', '55+48=103'] Exploring Operation: 103-75=28, Resulting Numbers: [28] 28,89 unequal: No Solution Exploring Operation: 75+103=178, Resulting Numbers: [178] 178,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 89:[55, 123], Operations: ['15*5=75', '48+75=123'] Exploring Operation: 55+123=178, Resulting Numbers: [178] 178,89 unequal: No Solution Exploring Operation: 123-55=68, Resulting Numbers: [68] 68,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 89:[55, 48, 20], Operations: ['15+5=20'] Exploring Operation: 48+20=68, Resulting Numbers: [55, 68] Generated Node #0,0,0: 89:[55, 68] Operation: 48+20=68 Exploring Operation: 55+20=75, Resulting Numbers: [48, 75] Generated Node #0,0,1: 89:[48, 75] Operation: 55+20=75 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 89:[55, 68], Operations: ['15+5=20', '48+20=68'] Exploring Operation: 55+68=123, Resulting Numbers: [123] 123,89 unequal: No Solution Exploring Operation: 68-55=13, Resulting Numbers: [13] 13,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 89:[48, 75], Operations: ['15+5=20', '55+20=75'] Exploring Operation: 48+75=123, Resulting Numbers: [123] 123,89 unequal: No Solution Exploring Operation: 75-48=27, Resulting Numbers: [27] 27,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 22, 45, 18, 3 ]
57
[ "22-18=4", "3*4=12", "45+12=57" ]
Current State: 57:[22, 45, 18, 3], Operations: [] Exploring Operation: 22-18=4, Resulting Numbers: [45, 3, 4] Generated Node #2: [45, 3, 4] from Operation: 22-18=4 Current State: 57:[45, 3, 4], Operations: ['22-18=4'] Exploring Operation: 3*4=12, Resulting Numbers: [45, 12] Generated Node #3: [45, 12] from Operation: 3*4=12 Current State: 57:[45, 12], Operations: ['22-18=4', '3*4=12'] Exploring Operation: 45+12=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[22, 45, 18, 3], Operations: [] Exploring Operation: 45+18=63, Resulting Numbers: [22, 3, 63] Generated Node #0,0: 57:[22, 3, 63] Operation: 45+18=63 Exploring Operation: 22+45=67, Resulting Numbers: [18, 3, 67] Generated Node #0,1: 57:[18, 3, 67] Operation: 22+45=67 Exploring Operation: 45-18=27, Resulting Numbers: [22, 3, 27] Generated Node #0,2: 57:[22, 3, 27] Operation: 45-18=27 Exploring Operation: 45/3=15, Resulting Numbers: [22, 18, 15] Generated Node #0,3: 57:[22, 18, 15] Operation: 45/3=15 Exploring Operation: 45-22=23, Resulting Numbers: [18, 3, 23] Generated Node #0,4: 57:[18, 3, 23] Operation: 45-22=23 Start Sub Search at level 1: Moving to Node #0,4 Current State: 57:[18, 3, 23], Operations: ['45-22=23'] Exploring Operation: 18+3=21, Resulting Numbers: [23, 21] Generated Node #0,4,0: 57:[23, 21] Operation: 18+3=21 Exploring Operation: 23-3=20, Resulting Numbers: [18, 20] Generated Node #0,4,1: 57:[18, 20] Operation: 23-3=20 Exploring Operation: 18*3=54, Resulting Numbers: [23, 54] Generated Node #0,4,2: 57:[23, 54] Operation: 18*3=54 Exploring Operation: 18/3=6, Resulting Numbers: [23, 6] Generated Node #0,4,3: 57:[23, 6] Operation: 18/3=6 Exploring Operation: 23-18=5, Resulting Numbers: [3, 5] Generated Node #0,4,4: 57:[3, 5] Operation: 23-18=5 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 57:[18, 20], Operations: ['45-22=23', '23-3=20'] Exploring Operation: 18+20=38, Resulting Numbers: [38] 38,57 unequal: No Solution Exploring Operation: 20-18=2, Resulting Numbers: [2] 2,57 unequal: No Solution Exploring Operation: 18*20=360, Resulting Numbers: [360] 360,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 57:[3, 5], Operations: ['45-22=23', '23-18=5'] Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,57 unequal: No Solution Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 57:[23, 21], Operations: ['45-22=23', '18+3=21'] Exploring Operation: 23-21=2, Resulting Numbers: [2] 2,57 unequal: No Solution Exploring Operation: 23+21=44, Resulting Numbers: [44] 44,57 unequal: No Solution Exploring Operation: 23*21=483, Resulting Numbers: [483] 483,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 57:[23, 54], Operations: ['45-22=23', '18*3=54'] Exploring Operation: 54-23=31, Resulting Numbers: [31] 31,57 unequal: No Solution Exploring Operation: 23+54=77, Resulting Numbers: [77] 77,57 unequal: No Solution Exploring Operation: 23*54=1242, Resulting Numbers: [1242] 1242,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 57:[23, 6], Operations: ['45-22=23', '18/3=6'] Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,57 unequal: No Solution Exploring Operation: 23*6=138, Resulting Numbers: [138] 138,57 unequal: No Solution Exploring Operation: 23+6=29, Resulting Numbers: [29] 29,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 57:[22, 18, 15], Operations: ['45/3=15'] Exploring Operation: 18+15=33, Resulting Numbers: [22, 33] Generated Node #0,3,0: 57:[22, 33] Operation: 18+15=33 Exploring Operation: 22-15=7, Resulting Numbers: [18, 7] Generated Node #0,3,1: 57:[18, 7] Operation: 22-15=7 Exploring Operation: 22+15=37, Resulting Numbers: [18, 37] Generated Node #0,3,2: 57:[18, 37] Operation: 22+15=37 Exploring Operation: 18-15=3, Resulting Numbers: [22, 3] Generated Node #0,3,3: 57:[22, 3] Operation: 18-15=3 Exploring Operation: 22-18=4, Resulting Numbers: [15, 4] Generated Node #0,3,4: 57:[15, 4] Operation: 22-18=4 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 57:[22, 3], Operations: ['45/3=15', '18-15=3'] Exploring Operation: 22*3=66, Resulting Numbers: [66] 66,57 unequal: No Solution Exploring Operation: 22+3=25, Resulting Numbers: [25] 25,57 unequal: No Solution Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 57:[18, 7], Operations: ['45/3=15', '22-15=7'] Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,57 unequal: No Solution Exploring Operation: 18*7=126, Resulting Numbers: [126] 126,57 unequal: No Solution Exploring Operation: 18+7=25, Resulting Numbers: [25] 25,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 57:[15, 4], Operations: ['45/3=15', '22-18=4'] Exploring Operation: 15*4=60, Resulting Numbers: [60] 60,57 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,57 unequal: No Solution Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 57:[22, 33], Operations: ['45/3=15', '18+15=33'] Exploring Operation: 22*33=726, Resulting Numbers: [726] 726,57 unequal: No Solution Exploring Operation: 33-22=11, Resulting Numbers: [11] 11,57 unequal: No Solution Exploring Operation: 22+33=55, Resulting Numbers: [55] 55,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 57:[18, 37], Operations: ['45/3=15', '22+15=37'] Exploring Operation: 18+37=55, Resulting Numbers: [55] 55,57 unequal: No Solution Exploring Operation: 37-18=19, Resulting Numbers: [19] 19,57 unequal: No Solution Exploring Operation: 18*37=666, Resulting Numbers: [666] 666,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[22, 3, 63], Operations: ['45+18=63'] Exploring Operation: 22+3=25, Resulting Numbers: [63, 25] Generated Node #0,0,0: 57:[63, 25] Operation: 22+3=25 Exploring Operation: 22-3=19, Resulting Numbers: [63, 19] Generated Node #0,0,1: 57:[63, 19] Operation: 22-3=19 Exploring Operation: 63-3=60, Resulting Numbers: [22, 60] Generated Node #0,0,2: 57:[22, 60] Operation: 63-3=60 Exploring Operation: 63/3=21, Resulting Numbers: [22, 21] Generated Node #0,0,3: 57:[22, 21] Operation: 63/3=21 Exploring Operation: 3+63=66, Resulting Numbers: [22, 66] Generated Node #0,0,4: 57:[22, 66] Operation: 3+63=66 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 57:[22, 21], Operations: ['45+18=63', '63/3=21'] Exploring Operation: 22-21=1, Resulting Numbers: [1] 1,57 unequal: No Solution Exploring Operation: 22*21=462, Resulting Numbers: [462] 462,57 unequal: No Solution Exploring Operation: 22+21=43, Resulting Numbers: [43] 43,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 57:[63, 19], Operations: ['45+18=63', '22-3=19'] Exploring Operation: 63+19=82, Resulting Numbers: [82] 82,57 unequal: No Solution Exploring Operation: 63-19=44, Resulting Numbers: [44] 44,57 unequal: No Solution Exploring Operation: 63*19=1197, Resulting Numbers: [1197] 1197,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 57:[22, 60], Operations: ['45+18=63', '63-3=60'] Exploring Operation: 22*60=1320, Resulting Numbers: [1320] 1320,57 unequal: No Solution Exploring Operation: 22+60=82, Resulting Numbers: [82] 82,57 unequal: No Solution Exploring Operation: 60-22=38, Resulting Numbers: [38] 38,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 57:[63, 25], Operations: ['45+18=63', '22+3=25'] Exploring Operation: 63*25=1575, Resulting Numbers: [1575] 1575,57 unequal: No Solution Exploring Operation: 63-25=38, Resulting Numbers: [38] 38,57 unequal: No Solution Exploring Operation: 63+25=88, Resulting Numbers: [88] 88,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 57:[22, 66], Operations: ['45+18=63', '3+63=66'] Exploring Operation: 22+66=88, Resulting Numbers: [88] 88,57 unequal: No Solution Exploring Operation: 66/22=3, Resulting Numbers: [3] 3,57 unequal: No Solution Exploring Operation: 22*66=1452, Resulting Numbers: [1452] 1452,57 unequal: No Solution Exploring Operation: 66-22=44, Resulting Numbers: [44] 44,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[18, 3, 67], Operations: ['22+45=67'] Exploring Operation: 18/3=6, Resulting Numbers: [67, 6] Generated Node #0,1,0: 57:[67, 6] Operation: 18/3=6 Exploring Operation: 18+3=21, Resulting Numbers: [67, 21] Generated Node #0,1,1: 57:[67, 21] Operation: 18+3=21 Exploring Operation: 67-18=49, Resulting Numbers: [3, 49] Generated Node #0,1,2: 57:[3, 49] Operation: 67-18=49 Exploring Operation: 18*3=54, Resulting Numbers: [67, 54] Generated Node #0,1,3: 57:[67, 54] Operation: 18*3=54 Exploring Operation: 67-3=64, Resulting Numbers: [18, 64] Generated Node #0,1,4: 57:[18, 64] Operation: 67-3=64 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 57:[3, 49], Operations: ['22+45=67', '67-18=49'] Exploring Operation: 3*49=147, Resulting Numbers: [147] 147,57 unequal: No Solution Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,57 unequal: No Solution Exploring Operation: 3+49=52, Resulting Numbers: [52] 52,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 57:[18, 64], Operations: ['22+45=67', '67-3=64'] Exploring Operation: 18+64=82, Resulting Numbers: [82] 82,57 unequal: No Solution Exploring Operation: 64-18=46, Resulting Numbers: [46] 46,57 unequal: No Solution Exploring Operation: 18*64=1152, Resulting Numbers: [1152] 1152,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 57:[67, 21], Operations: ['22+45=67', '18+3=21'] Exploring Operation: 67-21=46, Resulting Numbers: [46] 46,57 unequal: No Solution Exploring Operation: 67*21=1407, Resulting Numbers: [1407] 1407,57 unequal: No Solution Exploring Operation: 67+21=88, Resulting Numbers: [88] 88,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 57:[67, 6], Operations: ['22+45=67', '18/3=6'] Exploring Operation: 67-6=61, Resulting Numbers: [61] 61,57 unequal: No Solution Exploring Operation: 67+6=73, Resulting Numbers: [73] 73,57 unequal: No Solution Exploring Operation: 67*6=402, Resulting Numbers: [402] 402,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 57:[67, 54], Operations: ['22+45=67', '18*3=54'] Exploring Operation: 67-54=13, Resulting Numbers: [13] 13,57 unequal: No Solution Exploring Operation: 67*54=3618, Resulting Numbers: [3618] 3618,57 unequal: No Solution Exploring Operation: 67+54=121, Resulting Numbers: [121] 121,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 57:[22, 3, 27], Operations: ['45-18=27'] Exploring Operation: 27-3=24, Resulting Numbers: [22, 24] Generated Node #0,2,0: 57:[22, 24] Operation: 27-3=24 Exploring Operation: 22-3=19, Resulting Numbers: [27, 19] Generated Node #0,2,1: 57:[27, 19] Operation: 22-3=19 Exploring Operation: 22+27=49, Resulting Numbers: [3, 49] Generated Node #0,2,2: 57:[3, 49] Operation: 22+27=49 Exploring Operation: 27-22=5, Resulting Numbers: [3, 5] Generated Node #0,2,3: 57:[3, 5] Operation: 27-22=5 Exploring Operation: 27/3=9, Resulting Numbers: [22, 9] Generated Node #0,2,4: 57:[22, 9] Operation: 27/3=9 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 57:[3, 5], Operations: ['45-18=27', '27-22=5'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,57 unequal: No Solution Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 57:[22, 24], Operations: ['45-18=27', '27-3=24'] Exploring Operation: 22+24=46, Resulting Numbers: [46] 46,57 unequal: No Solution Exploring Operation: 22*24=528, Resulting Numbers: [528] 528,57 unequal: No Solution Exploring Operation: 24-22=2, Resulting Numbers: [2] 2,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 57:[27, 19], Operations: ['45-18=27', '22-3=19'] Exploring Operation: 27+19=46, Resulting Numbers: [46] 46,57 unequal: No Solution Exploring Operation: 27-19=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 27*19=513, Resulting Numbers: [513] 513,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 57:[3, 49], Operations: ['45-18=27', '22+27=49'] Exploring Operation: 3*49=147, Resulting Numbers: [147] 147,57 unequal: No Solution Exploring Operation: 3+49=52, Resulting Numbers: [52] 52,57 unequal: No Solution Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 57:[22, 9], Operations: ['45-18=27', '27/3=9'] Exploring Operation: 22+9=31, Resulting Numbers: [31] 31,57 unequal: No Solution Exploring Operation: 22*9=198, Resulting Numbers: [198] 198,57 unequal: No Solution Exploring Operation: 22-9=13, Resulting Numbers: [13] 13,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 12, 23, 53, 33 ]
50
[ "23-12=11", "33/11=3", "53-3=50" ]
Current State: 50:[12, 23, 53, 33], Operations: [] Exploring Operation: 23-12=11, Resulting Numbers: [53, 33, 11] Generated Node #2: [53, 33, 11] from Operation: 23-12=11 Current State: 50:[53, 33, 11], Operations: ['23-12=11'] Exploring Operation: 33/11=3, Resulting Numbers: [53, 3] Generated Node #3: [53, 3] from Operation: 33/11=3 Current State: 50:[53, 3], Operations: ['23-12=11', '33/11=3'] Exploring Operation: 53-3=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[12, 23, 53, 33], Operations: [] Exploring Operation: 33-23=10, Resulting Numbers: [12, 53, 10] Generated Node #0,0: 50:[12, 53, 10] Operation: 33-23=10 Exploring Operation: 33-12=21, Resulting Numbers: [23, 53, 21] Generated Node #0,1: 50:[23, 53, 21] Operation: 33-12=21 Exploring Operation: 53-33=20, Resulting Numbers: [12, 23, 20] Generated Node #0,2: 50:[12, 23, 20] Operation: 53-33=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[12, 53, 10], Operations: ['33-23=10'] Exploring Operation: 12+10=22, Resulting Numbers: [53, 22] Generated Node #0,0,0: 50:[53, 22] Operation: 12+10=22 Exploring Operation: 53-12=41, Resulting Numbers: [10, 41] Generated Node #0,0,1: 50:[10, 41] Operation: 53-12=41 Exploring Operation: 12-10=2, Resulting Numbers: [53, 2] Generated Node #0,0,2: 50:[53, 2] Operation: 12-10=2 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 50:[53, 2], Operations: ['33-23=10', '12-10=2'] Exploring Operation: 53*2=106, Resulting Numbers: [106] 106,50 unequal: No Solution Exploring Operation: 53+2=55, Resulting Numbers: [55] 55,50 unequal: No Solution Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,50 unequal: No Solution No 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: 50:[53, 22], Operations: ['33-23=10', '12+10=22'] Exploring Operation: 53-22=31, Resulting Numbers: [31] 31,50 unequal: No Solution Exploring Operation: 53+22=75, Resulting Numbers: [75] 75,50 unequal: No Solution Exploring Operation: 53*22=1166, Resulting Numbers: [1166] 1166,50 unequal: No Solution No 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: 50:[10, 41], Operations: ['33-23=10', '53-12=41'] Exploring Operation: 41-10=31, Resulting Numbers: [31] 31,50 unequal: No Solution Exploring Operation: 10*41=410, Resulting Numbers: [410] 410,50 unequal: No Solution Exploring Operation: 10+41=51, Resulting Numbers: [51] 51,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 50:[23, 53, 21], Operations: ['33-12=21'] Exploring Operation: 23-21=2, Resulting Numbers: [53, 2] Generated Node #0,1,0: 50:[53, 2] Operation: 23-21=2 Exploring Operation: 23+21=44, Resulting Numbers: [53, 44] Generated Node #0,1,1: 50:[53, 44] Operation: 23+21=44 Exploring Operation: 53-23=30, Resulting Numbers: [21, 30] Generated Node #0,1,2: 50:[21, 30] Operation: 53-23=30 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 50:[53, 2], Operations: ['33-12=21', '23-21=2'] Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,50 unequal: No Solution Exploring Operation: 53*2=106, Resulting Numbers: [106] 106,50 unequal: No Solution Exploring Operation: 53+2=55, Resulting Numbers: [55] 55,50 unequal: No Solution No 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: 50:[53, 44], Operations: ['33-12=21', '23+21=44'] Exploring Operation: 53+44=97, Resulting Numbers: [97] 97,50 unequal: No Solution Exploring Operation: 53-44=9, Resulting Numbers: [9] 9,50 unequal: No Solution Exploring Operation: 53*44=2332, Resulting Numbers: [2332] 2332,50 unequal: No Solution No 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: 50:[21, 30], Operations: ['33-12=21', '53-23=30'] Exploring Operation: 21*30=630, Resulting Numbers: [630] 630,50 unequal: No Solution Exploring Operation: 21+30=51, Resulting Numbers: [51] 51,50 unequal: No Solution Exploring Operation: 30-21=9, Resulting Numbers: [9] 9,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 50:[12, 23, 20], Operations: ['53-33=20'] Exploring Operation: 23-20=3, Resulting Numbers: [12, 3] Generated Node #0,2,0: 50:[12, 3] Operation: 23-20=3 Exploring Operation: 20-12=8, Resulting Numbers: [23, 8] Generated Node #0,2,1: 50:[23, 8] Operation: 20-12=8 Exploring Operation: 23-12=11, Resulting Numbers: [20, 11] Generated Node #0,2,2: 50:[20, 11] Operation: 23-12=11 Moving to Node #0,2,0 Current State: 50:[12, 3], Operations: ['53-33=20', '23-20=3'] Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,50 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,50 unequal: No Solution Exploring Operation: 12+3=15, Resulting Numbers: [15] 15,50 unequal: No Solution Moving to Node #0,2,1 Current State: 50:[23, 8], Operations: ['53-33=20', '20-12=8'] Exploring Operation: 23+8=31, Resulting Numbers: [31] 31,50 unequal: No Solution Exploring Operation: 23*8=184, Resulting Numbers: [184] 184,50 unequal: No Solution Exploring Operation: 23-8=15, Resulting Numbers: [15] 15,50 unequal: No Solution Moving to Node #0,2,2 Current State: 50:[20, 11], Operations: ['53-33=20', '23-12=11'] Exploring Operation: 20-11=9, Resulting Numbers: [9] 9,50 unequal: No Solution Exploring Operation: 20*11=220, Resulting Numbers: [220] 220,50 unequal: No Solution Exploring Operation: 20+11=31, Resulting Numbers: [31] 31,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 10, 40, 9, 8 ]
32
[ "10-9=1", "40-8=32", "1*32=32" ]
Current State: 32:[10, 40, 9, 8], Operations: [] Exploring Operation: 10-9=1, Resulting Numbers: [40, 8, 1] Generated Node #2: [40, 8, 1] from Operation: 10-9=1 Current State: 32:[40, 8, 1], Operations: ['10-9=1'] Exploring Operation: 40-8=32, Resulting Numbers: [1, 32] Generated Node #3: [1, 32] from Operation: 40-8=32 Current State: 32:[1, 32], Operations: ['10-9=1', '40-8=32'] Exploring Operation: 1*32=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[10, 40, 9, 8], Operations: [] Exploring Operation: 40/10=4, Resulting Numbers: [9, 8, 4] Generated Node #0,0: 32:[9, 8, 4] Operation: 40/10=4 Exploring Operation: 40-10=30, Resulting Numbers: [9, 8, 30] Generated Node #0,1: 32:[9, 8, 30] Operation: 40-10=30 Moving to Node #0,0 Current State: 32:[9, 8, 4], Operations: ['40/10=4'] Exploring Operation: 9+8=17, Resulting Numbers: [4, 17] Generated Node #0,0,0: 32:[4, 17] Operation: 9+8=17 Exploring Operation: 9-8=1, Resulting Numbers: [4, 1] Generated Node #0,0,1: 32:[4, 1] Operation: 9-8=1 Moving to Node #0,1 Current State: 32:[9, 8, 30], Operations: ['40-10=30'] Exploring Operation: 9+8=17, Resulting Numbers: [30, 17] Generated Node #0,1,0: 32:[30, 17] Operation: 9+8=17 Exploring Operation: 9-8=1, Resulting Numbers: [30, 1] Generated Node #0,1,1: 32:[30, 1] Operation: 9-8=1 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 32:[30, 17], Operations: ['40-10=30', '9+8=17'] Exploring Operation: 30+17=47, Resulting Numbers: [47] 47,32 unequal: No Solution Exploring Operation: 30-17=13, Resulting Numbers: [13] 13,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 32:[30, 1], Operations: ['40-10=30', '9-8=1'] Exploring Operation: 30+1=31, Resulting Numbers: [31] 31,32 unequal: No Solution Exploring Operation: 30*1=30, Resulting Numbers: [30] 30,32 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: 32:[4, 17], Operations: ['40/10=4', '9+8=17'] Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,32 unequal: No Solution Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,32 unequal: No Solution Moving to Node #0,0,1 Current State: 32:[4, 1], Operations: ['40/10=4', '9-8=1'] Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,32 unequal: No Solution Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,32 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 11, 50, 95, 7 ]
65
[ "11*50=550", "550-95=455", "455/7=65" ]
Current State: 65:[11, 50, 95, 7], Operations: [] Exploring Operation: 11*50=550, Resulting Numbers: [95, 7, 550] Generated Node #2: [95, 7, 550] from Operation: 11*50=550 Current State: 65:[95, 7, 550], Operations: ['11*50=550'] Exploring Operation: 550-95=455, Resulting Numbers: [7, 455] Generated Node #3: [7, 455] from Operation: 550-95=455 Current State: 65:[7, 455], Operations: ['11*50=550', '550-95=455'] Exploring Operation: 455/7=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[11, 50, 95, 7], Operations: [] Exploring Operation: 95-50=45, Resulting Numbers: [11, 7, 45] Generated Node #0,0: 65:[11, 7, 45] Operation: 95-50=45 Exploring Operation: 11+50=61, Resulting Numbers: [95, 7, 61] Generated Node #0,1: 65:[95, 7, 61] Operation: 11+50=61 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[11, 7, 45], Operations: ['95-50=45'] Exploring Operation: 7+45=52, Resulting Numbers: [11, 52] Generated Node #0,0,0: 65:[11, 52] Operation: 7+45=52 Exploring Operation: 11+45=56, Resulting Numbers: [7, 56] Generated Node #0,0,1: 65:[7, 56] Operation: 11+45=56 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 65:[7, 56], Operations: ['95-50=45', '11+45=56'] Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,65 unequal: No Solution Exploring Operation: 7+56=63, Resulting Numbers: [63] 63,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 65:[11, 52], Operations: ['95-50=45', '7+45=52'] Exploring Operation: 11+52=63, Resulting Numbers: [63] 63,65 unequal: No Solution Exploring Operation: 52-11=41, Resulting Numbers: [41] 41,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 65:[95, 7, 61], Operations: ['11+50=61'] Exploring Operation: 95-7=88, Resulting Numbers: [61, 88] Generated Node #0,1,0: 65:[61, 88] Operation: 95-7=88 Exploring Operation: 95-61=34, Resulting Numbers: [7, 34] Generated Node #0,1,1: 65:[7, 34] Operation: 95-61=34 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 65:[7, 34], Operations: ['11+50=61', '95-61=34'] Exploring Operation: 7+34=41, Resulting Numbers: [41] 41,65 unequal: No Solution Exploring Operation: 34-7=27, Resulting Numbers: [27] 27,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 65:[61, 88], Operations: ['11+50=61', '95-7=88'] Exploring Operation: 61+88=149, Resulting Numbers: [149] 149,65 unequal: No Solution Exploring Operation: 88-61=27, Resulting Numbers: [27] 27,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 72, 28, 70, 48 ]
18
[ "72+28=100", "70+48=118", "118-100=18" ]
Current State: 18:[72, 28, 70, 48], Operations: [] Exploring Operation: 72+28=100, Resulting Numbers: [70, 48, 100] Generated Node #2: [70, 48, 100] from Operation: 72+28=100 Current State: 18:[70, 48, 100], Operations: ['72+28=100'] Exploring Operation: 70+48=118, Resulting Numbers: [100, 118] Generated Node #3: [100, 118] from Operation: 70+48=118 Current State: 18:[100, 118], Operations: ['72+28=100', '70+48=118'] Exploring Operation: 118-100=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[72, 28, 70, 48], Operations: [] Exploring Operation: 70-28=42, Resulting Numbers: [72, 48, 42] Generated Node #0,0: 18:[72, 48, 42] Operation: 70-28=42 Exploring Operation: 72-70=2, Resulting Numbers: [28, 48, 2] Generated Node #0,1: 18:[28, 48, 2] Operation: 72-70=2 Exploring Operation: 70-48=22, Resulting Numbers: [72, 28, 22] Generated Node #0,2: 18:[72, 28, 22] Operation: 70-48=22 Exploring Operation: 72-28=44, Resulting Numbers: [70, 48, 44] Generated Node #0,3: 18:[70, 48, 44] Operation: 72-28=44 Exploring Operation: 72-48=24, Resulting Numbers: [28, 70, 24] Generated Node #0,4: 18:[28, 70, 24] Operation: 72-48=24 Start Sub Search at level 1: Moving to Node #0,1 Current State: 18:[28, 48, 2], Operations: ['72-70=2'] Exploring Operation: 48-28=20, Resulting Numbers: [2, 20] Generated Node #0,1,0: 18:[2, 20] Operation: 48-28=20 Exploring Operation: 48/2=24, Resulting Numbers: [28, 24] Generated Node #0,1,1: 18:[28, 24] Operation: 48/2=24 Exploring Operation: 28/2=14, Resulting Numbers: [48, 14] Generated Node #0,1,2: 18:[48, 14] Operation: 28/2=14 Exploring Operation: 48-2=46, Resulting Numbers: [28, 46] Generated Node #0,1,3: 18:[28, 46] Operation: 48-2=46 Exploring Operation: 28-2=26, Resulting Numbers: [48, 26] Generated Node #0,1,4: 18:[48, 26] Operation: 28-2=26 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 18:[2, 20], Operations: ['72-70=2', '48-28=20'] Exploring Operation: 2*20=40, Resulting Numbers: [40] 40,18 unequal: No Solution Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[72, 28, 70, 48], Operations: [] Exploring Operation: 72-70=2, Resulting Numbers: [28, 48, 2] Generated Node #0,1: 18:[28, 48, 2] Operation: 72-70=2 Moving to Node #0,1 Current State: 18:[28, 48, 2], Operations: ['72-70=2'] Exploring Operation: 48-28=20, Resulting Numbers: [2, 20] Generated Node #0,1,0: 18:[2, 20] Operation: 48-28=20 Moving to Node #0,1,0 Current State: 18:[2, 20], Operations: ['72-70=2', '48-28=20'] Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 30, 23, 7, 17 ]
16
[ "30-23=7", "7/7=1", "17-1=16" ]
Current State: 16:[30, 23, 7, 17], Operations: [] Exploring Operation: 30-23=7, Resulting Numbers: [7, 17, 7] Generated Node #2: [7, 17, 7] from Operation: 30-23=7 Current State: 16:[7, 17, 7], Operations: ['30-23=7'] Exploring Operation: 7/7=1, Resulting Numbers: [17, 1] Generated Node #3: [17, 1] from Operation: 7/7=1 Current State: 16:[17, 1], Operations: ['30-23=7', '7/7=1'] Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[30, 23, 7, 17], Operations: [] Exploring Operation: 30-23=7, Resulting Numbers: [7, 17, 7] Generated Node #0,0: 16:[7, 17, 7] Operation: 30-23=7 Exploring Operation: 30-7=23, Resulting Numbers: [23, 17, 23] Generated Node #0,1: 16:[23, 17, 23] Operation: 30-7=23 Exploring Operation: 30-17=13, Resulting Numbers: [23, 7, 13] Generated Node #0,2: 16:[23, 7, 13] Operation: 30-17=13 Exploring Operation: 23-7=16, Resulting Numbers: [30, 17, 16] Generated Node #0,3: 16:[30, 17, 16] Operation: 23-7=16 Exploring Operation: 23-17=6, Resulting Numbers: [30, 7, 6] Generated Node #0,4: 16:[30, 7, 6] Operation: 23-17=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 16:[7, 17, 7], Operations: ['30-23=7'] Exploring Operation: 7/7=1, Resulting Numbers: [17, 1] Generated Node #0,0,0: 16:[17, 1] Operation: 7/7=1 Exploring Operation: 17-7=10, Resulting Numbers: [7, 10] Generated Node #0,0,1: 16:[7, 10] Operation: 17-7=10 Exploring Operation: 17-7=10, Resulting Numbers: [7, 10] Generated Node #0,0,2: 16:[7, 10] Operation: 17-7=10 Exploring Operation: 7-7=0, Resulting Numbers: [17, 0] Generated Node #0,0,3: 16:[17, 0] Operation: 7-7=0 Exploring Operation: 7+7=14, Resulting Numbers: [17, 14] Generated Node #0,0,4: 16:[17, 14] Operation: 7+7=14 Moving to Node #0,0,0 Current State: 16:[17, 1], Operations: ['30-23=7', '7/7=1'] Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,16 unequal: No Solution Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[30, 23, 7, 17], Operations: [] Exploring Operation: 30-23=7, Resulting Numbers: [7, 17, 7] Generated Node #0,0: 16:[7, 17, 7] Operation: 30-23=7 Moving to Node #0,0 Current State: 16:[7, 17, 7], Operations: ['30-23=7'] Exploring Operation: 7/7=1, Resulting Numbers: [17, 1] Generated Node #0,0,0: 16:[17, 1] Operation: 7/7=1 Moving to Node #0,0,0 Current State: 16:[17, 1], Operations: ['30-23=7', '7/7=1'] Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 4, 6, 21, 20 ]
35
[ "20-6=14", "4*14=56", "56-21=35" ]
Current State: 35:[4, 6, 21, 20], Operations: [] Exploring Operation: 20-6=14, Resulting Numbers: [4, 21, 14] Generated Node #2: [4, 21, 14] from Operation: 20-6=14 Current State: 35:[4, 21, 14], Operations: ['20-6=14'] Exploring Operation: 4*14=56, Resulting Numbers: [21, 56] Generated Node #3: [21, 56] from Operation: 4*14=56 Current State: 35:[21, 56], Operations: ['20-6=14', '4*14=56'] Exploring Operation: 56-21=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[4, 6, 21, 20], Operations: [] Exploring Operation: 21+20=41, Resulting Numbers: [4, 6, 41] Generated Node #0,0: 35:[4, 6, 41] Operation: 21+20=41 Exploring Operation: 21-6=15, Resulting Numbers: [4, 20, 15] Generated Node #0,1: 35:[4, 20, 15] Operation: 21-6=15 Exploring Operation: 21-20=1, Resulting Numbers: [4, 6, 1] Generated Node #0,2: 35:[4, 6, 1] Operation: 21-20=1 Exploring Operation: 20/4=5, Resulting Numbers: [6, 21, 5] Generated Node #0,3: 35:[6, 21, 5] Operation: 20/4=5 Exploring Operation: 6+21=27, Resulting Numbers: [4, 20, 27] Generated Node #0,4: 35:[4, 20, 27] Operation: 6+21=27 Moving to Node #0,2 Current State: 35:[4, 6, 1], Operations: ['21-20=1'] Exploring Operation: 4+1=5, Resulting Numbers: [6, 5] Generated Node #0,2,0: 35:[6, 5] Operation: 4+1=5 Exploring Operation: 4/1=4, Resulting Numbers: [6, 4] Generated Node #0,2,1: 35:[6, 4] Operation: 4/1=4 Exploring Operation: 6+1=7, Resulting Numbers: [4, 7] Generated Node #0,2,2: 35:[4, 7] Operation: 6+1=7 Exploring Operation: 4*1=4, Resulting Numbers: [6, 4] Generated Node #0,2,3: 35:[6, 4] Operation: 4*1=4 Exploring Operation: 6-1=5, Resulting Numbers: [4, 5] Generated Node #0,2,4: 35:[4, 5] Operation: 6-1=5 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 35:[6, 5], Operations: ['21-20=1', '4+1=5'] Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,35 unequal: No Solution Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,35 unequal: No Solution Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,35 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 #0,2,2 Current State: 35:[4, 7], Operations: ['21-20=1', '6+1=7'] Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,35 unequal: No Solution Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,35 unequal: No Solution Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,35 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 #0,2,4 Current State: 35:[4, 5], Operations: ['21-20=1', '6-1=5'] Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,35 unequal: No Solution Exploring Operation: 4+5=9, Resulting Numbers: [9] 9,35 unequal: No Solution Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,35 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 #0,2,1 Current State: 35:[6, 4], Operations: ['21-20=1', '4/1=4'] Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,35 unequal: No Solution Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,35 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,35 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 #0,2,3 Current State: 35:[6, 4], Operations: ['21-20=1', '4*1=4'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,35 unequal: No Solution Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,35 unequal: No Solution Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,35 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: 35:[4, 6, 41], Operations: ['21+20=41'] Exploring Operation: 4+41=45, Resulting Numbers: [6, 45] Generated Node #0,0,0: 35:[6, 45] Operation: 4+41=45 Exploring Operation: 6-4=2, Resulting Numbers: [41, 2] Generated Node #0,0,1: 35:[41, 2] Operation: 6-4=2 Exploring Operation: 4+6=10, Resulting Numbers: [41, 10] Generated Node #0,0,2: 35:[41, 10] Operation: 4+6=10 Exploring Operation: 41-6=35, Resulting Numbers: [4, 35] Generated Node #0,0,3: 35:[4, 35] Operation: 41-6=35 Exploring Operation: 41-4=37, Resulting Numbers: [6, 37] Generated Node #0,0,4: 35:[6, 37] Operation: 41-4=37 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 35:[4, 35], Operations: ['21+20=41', '41-6=35'] Exploring Operation: 4*35=140, Resulting Numbers: [140] 140,35 unequal: No Solution Exploring Operation: 35-4=31, Resulting Numbers: [31] 31,35 unequal: No Solution Exploring Operation: 4+35=39, Resulting Numbers: [39] 39,35 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 #0,0,4 Current State: 35:[6, 37], Operations: ['21+20=41', '41-4=37'] Exploring Operation: 6+37=43, Resulting Numbers: [43] 43,35 unequal: No Solution Exploring Operation: 37-6=31, Resulting Numbers: [31] 31,35 unequal: No Solution Exploring Operation: 6*37=222, Resulting Numbers: [222] 222,35 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 #0,0,1 Current State: 35:[41, 2], Operations: ['21+20=41', '6-4=2'] Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,35 unequal: No Solution Exploring Operation: 41*2=82, Resulting Numbers: [82] 82,35 unequal: No Solution Exploring Operation: 41+2=43, Resulting Numbers: [43] 43,35 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 #0,0,2 Current State: 35:[41, 10], Operations: ['21+20=41', '4+6=10'] Exploring Operation: 41*10=410, Resulting Numbers: [410] 410,35 unequal: No Solution Exploring Operation: 41-10=31, Resulting Numbers: [31] 31,35 unequal: No Solution Exploring Operation: 41+10=51, Resulting Numbers: [51] 51,35 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 #0,0,0 Current State: 35:[6, 45], Operations: ['21+20=41', '4+41=45'] Exploring Operation: 6*45=270, Resulting Numbers: [270] 270,35 unequal: No Solution Exploring Operation: 6+45=51, Resulting Numbers: [51] 51,35 unequal: No Solution Exploring Operation: 45-6=39, Resulting Numbers: [39] 39,35 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: 35:[6, 21, 5], Operations: ['20/4=5'] Exploring Operation: 6+5=11, Resulting Numbers: [21, 11] Generated Node #0,3,0: 35:[21, 11] Operation: 6+5=11 Exploring Operation: 21-5=16, Resulting Numbers: [6, 16] Generated Node #0,3,1: 35:[6, 16] Operation: 21-5=16 Exploring Operation: 21+5=26, Resulting Numbers: [6, 26] Generated Node #0,3,2: 35:[6, 26] Operation: 21+5=26 Exploring Operation: 6+21=27, Resulting Numbers: [5, 27] Generated Node #0,3,3: 35:[5, 27] Operation: 6+21=27 Exploring Operation: 21-6=15, Resulting Numbers: [5, 15] Generated Node #0,3,4: 35:[5, 15] Operation: 21-6=15 Moving to Node #0,1 Current State: 35:[4, 20, 15], Operations: ['21-6=15'] Exploring Operation: 20+15=35, Resulting Numbers: [4, 35] Generated Node #0,1,0: 35:[4, 35] Operation: 20+15=35 Exploring Operation: 20-15=5, Resulting Numbers: [4, 5] Generated Node #0,1,1: 35:[4, 5] Operation: 20-15=5 Exploring Operation: 20-4=16, Resulting Numbers: [15, 16] Generated Node #0,1,2: 35:[15, 16] Operation: 20-4=16 Exploring Operation: 20/4=5, Resulting Numbers: [15, 5] Generated Node #0,1,3: 35:[15, 5] Operation: 20/4=5 Exploring Operation: 15-4=11, Resulting Numbers: [20, 11] Generated Node #0,1,4: 35:[20, 11] Operation: 15-4=11 Moving to Node #0,4 Current State: 35:[4, 20, 27], Operations: ['6+21=27'] Exploring Operation: 20+27=47, Resulting Numbers: [4, 47] Generated Node #0,4,0: 35:[4, 47] Operation: 20+27=47 Exploring Operation: 20-4=16, Resulting Numbers: [27, 16] Generated Node #0,4,1: 35:[27, 16] Operation: 20-4=16 Exploring Operation: 27-20=7, Resulting Numbers: [4, 7] Generated Node #0,4,2: 35:[4, 7] Operation: 27-20=7 Exploring Operation: 20/4=5, Resulting Numbers: [27, 5] Generated Node #0,4,3: 35:[27, 5] Operation: 20/4=5 Exploring Operation: 4+27=31, Resulting Numbers: [20, 31] Generated Node #0,4,4: 35:[20, 31] Operation: 4+27=31 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 35:[4, 7], Operations: ['6+21=27', '27-20=7'] Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,35 unequal: No Solution Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,35 unequal: No Solution Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,35 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 #0,4,3 Current State: 35:[27, 5], Operations: ['6+21=27', '20/4=5'] Exploring Operation: 27*5=135, Resulting Numbers: [135] 135,35 unequal: No Solution Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,35 unequal: No Solution Exploring Operation: 27+5=32, Resulting Numbers: [32] 32,35 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 #0,4,0 Current State: 35:[4, 47], Operations: ['6+21=27', '20+27=47'] Exploring Operation: 4+47=51, Resulting Numbers: [51] 51,35 unequal: No Solution Exploring Operation: 4*47=188, Resulting Numbers: [188] 188,35 unequal: No Solution Exploring Operation: 47-4=43, Resulting Numbers: [43] 43,35 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 #0,4,1 Current State: 35:[27, 16], Operations: ['6+21=27', '20-4=16'] Exploring Operation: 27+16=43, Resulting Numbers: [43] 43,35 unequal: No Solution Exploring Operation: 27*16=432, Resulting Numbers: [432] 432,35 unequal: No Solution Exploring Operation: 27-16=11, Resulting Numbers: [11] 11,35 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 #0,4,4 Current State: 35:[20, 31], Operations: ['6+21=27', '4+27=31'] Exploring Operation: 20*31=620, Resulting Numbers: [620] 620,35 unequal: No Solution Exploring Operation: 20+31=51, Resulting Numbers: [51] 51,35 unequal: No Solution Exploring Operation: 31-20=11, Resulting Numbers: [11] 11,35 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: 35:[4, 35], Operations: ['21-6=15', '20+15=35'] Exploring Operation: 35-4=31, Resulting Numbers: [31] 31,35 unequal: No Solution Exploring Operation: 4*35=140, Resulting Numbers: [140] 140,35 unequal: No Solution Exploring Operation: 4+35=39, Resulting Numbers: [39] 39,35 unequal: No Solution Moving to Node #0,1,1 Current State: 35:[4, 5], Operations: ['21-6=15', '20-15=5'] Exploring Operation: 4+5=9, Resulting Numbers: [9] 9,35 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,35 unequal: No Solution Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,35 unequal: No Solution Moving to Node #0,3,3 Current State: 35:[5, 27], Operations: ['20/4=5', '6+21=27'] Exploring Operation: 5+27=32, Resulting Numbers: [32] 32,35 unequal: No Solution Exploring Operation: 5*27=135, Resulting Numbers: [135] 135,35 unequal: No Solution Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,35 unequal: No Solution Moving to Node #0,3,4 Current State: 35:[5, 15], Operations: ['20/4=5', '21-6=15'] Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,35 unequal: No Solution Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,35 unequal: No Solution Exploring Operation: 5*15=75, Resulting Numbers: [75] 75,35 unequal: No Solution Exploring Operation: 5+15=20, Resulting Numbers: [20] 20,35 unequal: No Solution Moving to Node #0,1,3 Current State: 35:[15, 5], Operations: ['21-6=15', '20/4=5'] Exploring Operation: 15*5=75, Resulting Numbers: [75] 75,35 unequal: No Solution Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,35 unequal: No Solution Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,35 unequal: No Solution Exploring Operation: 15+5=20, Resulting Numbers: [20] 20,35 unequal: No Solution Moving to Node #0,3,1 Current State: 35:[6, 16], Operations: ['20/4=5', '21-5=16'] Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,35 unequal: No Solution Exploring Operation: 6+16=22, Resulting Numbers: [22] 22,35 unequal: No Solution Exploring Operation: 6*16=96, Resulting Numbers: [96] 96,35 unequal: No Solution Moving to Node #0,3,2 Current State: 35:[6, 26], Operations: ['20/4=5', '21+5=26'] Exploring Operation: 6+26=32, Resulting Numbers: [32] 32,35 unequal: No Solution Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,35 unequal: No Solution Exploring Operation: 6*26=156, Resulting Numbers: [156] 156,35 unequal: No Solution Moving to Node #0,1,2 Current State: 35:[15, 16], Operations: ['21-6=15', '20-4=16'] Exploring Operation: 15+16=31, Resulting Numbers: [31] 31,35 unequal: No Solution Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,35 unequal: No Solution Exploring Operation: 15*16=240, Resulting Numbers: [240] 240,35 unequal: No Solution Moving to Node #0,1,4 Current State: 35:[20, 11], Operations: ['21-6=15', '15-4=11'] Exploring Operation: 20-11=9, Resulting Numbers: [9] 9,35 unequal: No Solution Exploring Operation: 20+11=31, Resulting Numbers: [31] 31,35 unequal: No Solution Exploring Operation: 20*11=220, Resulting Numbers: [220] 220,35 unequal: No Solution Moving to Node #0,3,0 Current State: 35:[21, 11], Operations: ['20/4=5', '6+5=11'] Exploring Operation: 21*11=231, Resulting Numbers: [231] 231,35 unequal: No Solution Exploring Operation: 21+11=32, Resulting Numbers: [32] 32,35 unequal: No Solution Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,35 unequal: No Solution No solution found.
0
hs_5
sum_heuristic