% kuromasu 109 by Otto Janko, http://www.janko.at/Raetsel/Kuromasu/109.a.htm
kuromasu
medium-
13 13
..6......3..2
43.3..3....3.
3.2..3.7.2..7
.....5.....39
.5.84.6......
.9.........6.
.........7...
6.5..64....7.
....e.c..f...
.6...........
..4.5..58.4.3
8........6...
.......di....
