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