% kuromasu 254 by Otto Janko, http://www.janko.at/Raetsel/Kuromasu/254.a.htm
kuromasu
medium-
12 12
....7...5...
.4........9.
4..........c
.9...ha.....
.....l...a..
.2.b........
........b.a.
..5...9.....
.....f8...5.
e..........g
.8........6.
...a...8....
