23x15 puzzle
Time:
1
7
1
7
1
7
1
8
1
9
1
9
1
7
1
8
1
1
5
1
5
1
5
1
2
1
2
1
3 1
2
1
3
1
3
1
1
2
1
2
3
5 6 5
 
 
 
 
13  3  2  1
6
2  2  1  3
5  1  1  4
17  4
23
11  2
10  1
10
8
6
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