20x15 puzzle
Time:
1
5
1
3
5
1
7
2
10
12
12
9
1
9
3
1
1
1
2
1
1
2
1
1
1
1
1
1
2
1
3
4
1
4 7
7 3
9 2
2 7 1
1 7
1 8
2 7
1 7 1
1 5 1
5 1 2
4
3 2
4
2
Opacity:
Original image
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