20x15 puzzle
Time:
4
2
4
3
2
3
1
1
2
1
1
1
1
2
8
9
9
11
12
4
6
1
5
5
5
3
2
2 1
2 3
2 2 4
6
8
1 6
2 5
2 6
8
1 10
2 10
2 9
1 4
4 1
Opacity:
Original image
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