% kuromasu 156 by Otto Janko, http://www.janko.at/Raetsel/Kuromasu/156.a.htm
kuromasu
medium-
13 13
.5..e.6....4.
.6a..7...5...
..........l..
.......55.9.6
5........5d..
...8..4.....6
7....6.3.5...
.............
........6..4.
.7.6..7.....4
..6....4...4.
.7....5...6.8
j.d........f.
