% kuromasu 177 by Otto Janko, http://www.janko.at/Raetsel/Kuromasu/177.a.htm
kuromasu
medium-
13 13
.2...b..5....
5.39..4..4a.2
...k.........
.5..6..95..9.
.....l...l...
...j.......j.
4.8...8.....7
...k.l...l..g
.4..8...6....
...5.........
....a..3.a4.4
.4...........
..3..54.6..6.
