% kuromasu 103 by Otto Janko, http://www.janko.at/Raetsel/Kuromasu/103.a.htm
kuromasu
easy+
9 9
........6
......9..
.8..8...4
4..5.a5..
.2..9.6..
4..5...6.
.4.5.a..3
..4.5..4.
c..9.....
