15x15 puzzle
Time:
3
2
2
1
2
9
3
2
3
2
6
1
3
6
2
1
11
2
4
7
5
6
3
1 1
3 2 1
5 3
2 6
7
5 3
9
2 5
8
7
4 1
2 2
1 3
2 1
Opacity:
Original image
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