15x15 puzzle
Time:
1
3
1
2
3
1
6
7
8
9
8
7
1
6
1
2
1
2
1
3
3
1
3
1 2
4 1 1
1 6
7 1
11
3 7 2
1 1 11
7 3
5 1
1
2
1
Opacity:
Original image
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