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