15x16 puzzle
Time:
16
15
1
7
6
4
1
5
5
7
7
8
5
1
7
1
1
5
15
15
3 3
2 2
2 2
2 2
2 2
2 1 2
3 1 2
4 8
4 7 2
15
15
15
10 4
2 8
2 2
1
Opacity:
Original image
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