21x15 puzzle
Time:
6
6
4
1
4
8
1
8
6
8
8
8
5
8
7
1
5
1
6
8
3
1
2 1
1 3 5
2 6 2 1
17
17
17
16
2 12
1 2 1 2
1
Opacity:
Original image
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