% kuromasu 115 by Otto Janko, http://www.janko.at/Raetsel/Kuromasu/115.a.htm
kuromasu
easy+
9 9
..5.5..3.
4....5b..
...7b...5
..5..3...
..6...92.
5...a4...
..4....3.
.8...7..4
.3.6...3.
