20x15 puzzle
Time:
7
6
7
3
3
7
7
4
1
4
1
3
1
5
5
4
4
5
7
9
2
1
5
4
5
13 6
20
16 3
3 4 7 3
6 3 5 1
6 3
1 6 2
1
1
Opacity:
Original image
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