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