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