20x15 puzzle
Time:
1
13
1
13
11
9
8
9
10
9
7
4
4
2
6
9
8
9
9
9
1
6
1
6
9
2
2
2
3
3 1
4 3 2 6
8 6 1
9 5 1
9 9
9 9
20
20
20
20
Opacity:
Original image
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