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