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