% kuromasu 71 by Otto Janko, http://www.janko.at/Raetsel/Kuromasu/071.a.htm
kuromasu
medium-
13 13
.......2...b3
.....f8.8..9.
.......n.....
a..c.........
............k
......e......
..l.n........
.ab..a.b....b
4...l...b....
....c.6..a..8
..2.....5.b..
.5.2.4.......
....5....5.43
