% kuromasu 196 by Otto Janko, http://www.janko.at/Raetsel/Kuromasu/196.a.htm
kuromasu
medium-
13 13
.....b6..6.6.
....7....7...
.7.....6..4.3
.9...........
4...9...73.4.
.2.....6.....
...9..a...3.4
.3...9c.64.3.
..7..........
4..d.c....5..
..fi..k....d.
...j.........
34..8..9.4..4
