% kuromasu 274 by Otto Janko, http://www.janko.at/Raetsel/Kuromasu/274.a.htm
kuromasu
medium-
12 12
..6........5
..cb..d.g.h.
.........9..
.......ge...
.....6......
6.....9.....
.....9.....4
......8.....
...64.......
..8.........
.4.2.7..69..
c........7..
