% kuromasu 213 by Otto Janko, http://www.janko.at/Raetsel/Kuromasu/213.a.htm
kuromasu
medium-
12 12
3.f.9..9.c..
............
...2........
........7...
d.....8...a.
..a.........
.........b..
.f...c.....6
...7........
........7...
............
..7.5..9.b.6
