15x15 puzzle
Time:
7
1
1
13
1
9
1
1
4
4
3
3
3
1
3
3
1
3
4
1
4
1
1
6
4
2 1 1 2
1
2 1
2 1
2 1
2 1
3 1
3
4
2
2
5 2 1
12 1
13 1
14
Opacity:
Original image
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