15x15 puzzle
Time:
2
7
12
2
6
5
1
1
1
2
1
2
3
2
2
10
1
10
9
1
1 3
1 1
1 2
3 3
4 3
3 5
3 5
4 4
4 3
4 3
3 8
3 4
Opacity:
Original image
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