23x15 puzzle
Time:
15 15 15 15 15 1
2
1
1
1
2
1
2
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
15 15 15 15 15 15
23
5  6
5  6
5  6
5  6
5  6
5  6
5  6
5  6
5  6
5  6
5  6
5  6
6  3  6
23
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