15x20 puzzle
Time:
4
3
2
14
14
14
14
1
2
3
6
3
7
3
9
3
7
4 4
4 4
5 4
5
5 1
5 1
4 1
4 3
5 4
10
5 4
9
10
5 2 1
Opacity:
Original image
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