% kuromasu 276 by Otto Janko, http://www.janko.at/Raetsel/Kuromasu/276.a.htm
kuromasu
medium-
12 12
....9..86..3
.....9......
4.a7........
.........87.
.5.......5..
.........9..
..e.........
..9.......7.
.9c.........
........75.6
......c.....
3..28..4....
