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