15x20 puzzle
Time:
1
6
3
9
8
3
2
4
3
3
2
3
4
7
1
9
3
2
3
2
1
2
2
1
6
3
8
6
1 1
1 1
2 1
4 1 1
4
1 1
1
4 1
4 1 2
3 2 1
4 2 3
2 2 4
2 3 4
10 3
15
15
Opacity:
Original image
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