% kuromasu 186 by Otto Janko, http://www.janko.at/Raetsel/Kuromasu/186.a.htm
kuromasu
medium-
12 12
......f...5.
2....e......
.72........c
.......7...5
......h....6
....c.......
.......d....
6....f......
4...9.......
9........78.
......c....d
.6...7......
