15x15 puzzle
Time:
3
4
1
1
5
1
12
1
2
6
2
5
2
2
2
1
1
2
2
2
2
3
2
6
6
2
1
4 1
1 6
1 11
6 3
1 2
1 2
1 1
1
1 1
2 1
5 2
5 2
6
7 1
4
Opacity:
Original image
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