% kuromasu 10 by Warai Kamosika, http://www.janko.at/Raetsel/Kuromasu/010.a.htm
kuromasu
medium-
9 9
5.......4
..9...6..
.7.....4.
...5.5...
.........
...3.7...
.a.....5.
..4...4..
5.......5
