20x15 puzzle
Time:
3
1
3
5
3
6
2
7
2
7
7
4
1
4
5
5
5
5
1
5
4
3
2
4
2
4
2
2
2
1
3
3
13
16
17
17
5 6 2 1
5
3 1 1
5 5
5 1 2 2
Opacity:
Original image
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