% kuromasu 256 by Otto Janko, http://www.janko.at/Raetsel/Kuromasu/256.a.htm
kuromasu
hard
17 17
39...4....8...h9.
.....8.........4.
..d...b.........2
.....cdfj....8...
.....c...a.....6.
..e..........6...
.g........8..a...
.9...............
3..7.........4..4
...............a.
...6..e........3.
...7..........2..
.7.....7...9.....
...5....8b69.....
2.........c...d..
.5.........6.....
.34...5....6...47
