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