% kuromasu 154 by Otto Janko, http://www.janko.at/Raetsel/Kuromasu/154.a.htm
kuromasu
medium-
13 13
..6.6..8.8...
3..........3.
.5.8.37.4.2.4
..7........8.
......d..8.2.
..e.........8
7....6..7....
.2..a.79...7.
..3..a..a....
....l.....k.k
..........9..
.4.7..9.2..4.
4......8....f
