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