% kuromasu 5 by Warai Kamosika, http://www.janko.at/Raetsel/Kuromasu/005.a.htm
kuromasu
easy+
9 9
.3...7...
.......4.
....3...4
3.....c..
.e..b..9.
..3.....3
3...9....
.d.......
...3...3.
