% kuromasu 170 by Otto Janko, http://www.janko.at/Raetsel/Kuromasu/170.a.htm
kuromasu
medium-
13 13
j.8a.b8.3..3.
..........i..
.2..57.5.6..5
..35.c.......
..........g..
....5.....94.
..4..66.6....
i......6...4.
.7.3..6...d.5
i.......5....
d.2.4.....7..
.3....6..6.4.
i.6.9...2...3
