% kuromasu 255 by Otto Janko, http://www.janko.at/Raetsel/Kuromasu/255.a.htm
kuromasu
hard
17 17
4.........2.....6
...3..3.....dd...
........8.......b
.a7.......7.....7
........j..f..9.6
.......5.........
..8.7............
3..9...8g.....9i.
.......6.8.......
.43.....ke...c..4
............5.7..
.........9.......
5.b..e..j........
9.....5.......bh.
6.......o........
...dc.....b..a...
7.....e.........4
