% kuromasu 174 by Otto Janko, http://www.janko.at/Raetsel/Kuromasu/174.a.htm
kuromasu
medium
13 13
.a.8.8.6.....
..7.....6.4..
3........6.d.
...d7........
9.........a.8
..ca...a.....
....8........
......b......
5...5........
...e..kf.....
3.k..........
...9.8.78a..4
...6..7......
