20x15 puzzle
Time:
10
9
1
5
4
1
3
3
2
1
2
3
3
4
4
1
4
1
5
1
6
7
8
3
5
1
2
7
3
1 5
19
2 4 10
6 11
4 9
3 6
4 4
3 2
2 1
2 3 2
Opacity:
Original image
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