15x15 puzzle
Time:
15
1
2
1
8
2
1
1
13
1
13
1
5
1
15
7
1 5
7
7
1 5
1 3 1
1 3 1
1 3 1
1 2 1
1 3 1
1 3 1
1 2 1
1 3 1
1 1
7
Opacity:
Original image
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