% kuromasu 257 by Otto Janko, http://www.janko.at/Raetsel/Kuromasu/257.a.htm
kuromasu
very hard
24 14
......2.........9....5..
.48......7..2.d.........
....5...........ff......
.....4..........c..6...2
........k.m...p........3
....6...2.......a...e...
5....4.....4..g.........
.........6..3.....b....5
...f...g.......h...g....
3........9...8.a........
e...g..j..........c.....
......pq...........o....
.........8.7..8......9e.
..j....k.........4......
