% kuromasu 222 by Otto Janko, http://www.janko.at/Raetsel/Kuromasu/222.a.htm
kuromasu
easy+
10 10
3..8.8....
.cca......
.........5
..........
3.4.9.8...
...5.7.5.7
..........
7.........
......748.
....9.a..3
