% kuromasu 258 by Otto Janko, http://www.janko.at/Raetsel/Kuromasu/258.a.htm
kuromasu
very hard
24 14
5......a..c......e.....6
.b..b.....6.......a.....
.......g..56.b......66..
.....9...f.......c......
..5.......5..d7..5......
2........g...f.....5....
........4....c......f...
...9......5....4........
....i.....g...j........c
......7..ld..k.......6..
......c.......7...b.....
..6b......5.85..5.......
.....8.......f.....e..j.
4.....7......6..4......9
