% kuromasu 73 by Otto Janko, http://www.janko.at/Raetsel/Kuromasu/073.a.htm
kuromasu
medium
13 13
....d.o......
...c..d..6...
....e..7e.5..
.9...7.....7.
.......b..7..
.............
...j.i......d
.........9...
7.d.......3..
..9........5.
.......g..c..
3............
2..6.b.5.7...
