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