20x15 puzzle
Time:
1
1
4
4
1
4
4
6
2
3
1
1
11
2
6
1
4
1
6
6
6
5
6
7
9
2
4
5
1
10
14
15
1 1 1
1 1 2
1 4
2 2
3 2
3 4
2 5
1 3 5
1 1 6
7 3 3
1 14
4 14
4 14
5 2 11
2 17
Opacity:
Original image
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