% kuromasu 159 by Otto Janko, http://www.janko.at/Raetsel/Kuromasu/159.a.htm
kuromasu
medium-
13 13
5......2...4.
.6.79...3...5
..5.a..4.4...
4............
.....6....4..
......7.5..8.
3.a9.5....3..
.8.....7.5...
.7..7...8....
..k........ji
3....579..4.7
.a....e..e.3.
....4...4.34.
