% kuromasu 123 by Otto Janko, http://www.janko.at/Raetsel/Kuromasu/123.a.htm
kuromasu
easy+
9 9
.3..3..5.
...d..ec.
5.36.6...
6......9.
......6.4
..3.6..7.
47.3.4.53
.........
..9.9.9..
