% kuromasu 11 by Warai Kamosika, http://www.janko.at/Raetsel/Kuromasu/011.a.htm
kuromasu
medium
13 13
............5
...7.b...5...
..6.....9..4.
......b......
.....e......e
.7..6..3...4.
3..2..7..9..3
.6...4..4..5.
3......4.....
......2......
.6..4.....6..
...3...3.3...
2............
