15x23 puzzle
Time:
23
23
11
10
7
2
3
6
1
5
1
5
5
4
5
5
7
5
23
23
23
15
15
15
15
8 6
5 4
4 4
3 3
3 3
3 3
3 3
2 3
2 3
3 3
4 3
4 4
3 4
3 1 4
3 4
3 4
4 3
4 3
5 3
Opacity:
Original image
You might wish to visit the
archives
, if you want more.