15x23 puzzle
Time:
1
1
3
3
3
3
2
3
3
3
3
2
3
3
3
3
3
3
3
3
3
2
1
1
1
1
1
1
2
1
1
1
1
2
1
1
3
23
23
10
6 3
1 3
2
8 2
4 2
5 2
2
7 2
4 2
4 2
2
6 2
4 2
4 2
2
6 2
4 2
5 2
2
2
2
2
Opacity:
Original image
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