15x23 puzzle
Time:
3 4 1
1
5
1
2
4
1
3
4
1
4
3
1
3
3
1
4
4
1
1
4
4
2
16
2
4
5
1
2
5
1
6
4
1
4
1
4
11
2
 
3
1
1  1
1
8
11
8
2  4
1
1
1
1
1
1
1
1  3
4  8
15
15
15
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