15x23 puzzle
Time:
1
1
2
5
4
4
2
5
3
4
1
5
1
5
1
1
5
6
3
6
3
9
9
9
9
9
9
1
1
1 2
1 2 2
4 8
4 10
8
8
1 1 3 7
7 6
15
15
15
Opacity:
Original image
You might wish to visit the
archives
, if you want more.