% kuromasu 216 by Otto Janko, http://www.janko.at/Raetsel/Kuromasu/216.a.htm
kuromasu
hard-
18 10
2.....a....7....8.
.....h........9...
..a...f....4...5..
5..........fm.....
.....ec.6.6..5....
....g..b.b.dj.....
.....fd..........5
..6...a....7...5..
...b........9.....
.6....9....9.....8
