% kuromasu 111 by Otto Janko, http://www.janko.at/Raetsel/Kuromasu/111.a.htm
kuromasu
easy+
9 9
5.....6..
.2.7.4..3
3.96.....
.........
.59.4....
...6.6.7.
3...7..b.
......be.
.5....4.2
