% kuromasu 67 by Otto Janko, http://www.janko.at/Raetsel/Kuromasu/067.a.htm
kuromasu
medium-
13 13
d......en....
..4....9.....
7.......b...4
.b.d.....8...
..4......8...
3......a..5..
.mc........m.
...9...7...c5
9.........5.8
5...7..4...b.
.....6a...6..
2..5...3..3.3
.4...5..5..2.
