% kuromasu 146 by Otto Janko, http://www.janko.at/Raetsel/Kuromasu/146.a.htm
kuromasu
medium
13 13
.2.....a.....
3..9..g.....6
.......a...4.
.............
.........6g.b
.7..b.g6e.c.7
.............
4..3.9d.e....
..a.5........
3...f.m...m..
.4...6.......
........7....
..68...5.7.8.
