% kuromasu 100 by Otto Janko, http://www.janko.at/Raetsel/Kuromasu/100.a.htm
kuromasu
medium-
13 13
.6.....7.....
3.7...7.8.5.4
.5...........
........57.7.
2...6..2.....
...k..e.....h
...a.93......
.8..4.......5
..5...559.7..
...8.......2.
....465..65.2
...........7.
6.43...4...4.
