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