15x15 puzzle
Time:
3
1
2
3
3
1
3
2
4
3
4
2
1
3
2
1
3
3
2
2
2
3
9
3
5
3
4
3
2
11
1 10
2 1 1 4
1 2 2
6 3
8 3
13
10
4
Opacity:
Original image
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