% kuromasu 41 by The Zotmeister, http://www.janko.at/Raetsel/Kuromasu/041.a.htm
kuromasu
medium-
13 13
..4......3...
.3.2....3.4..
3...2..3...5.
.5.4..2.....5
..5....3...5.
........c.9..
...6.....7...
..b.6........
.6...8....5..
2.....4..4.2.
.5...2..3...7
..8.2....4.3.
...5......2..
