20x15 puzzle
Time:
1
3
5
1
6
2
7
10
2
8
10
2
8
11
9
1
6
8
4
2
2 4
9
1 1 2 1
12
14
14
13
12
10
7
2 2
Opacity:
Original image
You might wish to visit the
archives
, if you want more.