% kuromasu 143 by Otto Janko, http://www.janko.at/Raetsel/Kuromasu/143.a.htm
kuromasu
medium-
13 13
...4...4.87.5
.7...6.......
.............
.hj.....k..k.
..j........k.
3.96..9......
..8.7..6...9.
78.6.87.8.8..
.............
.......a.67.7
.............
..b.b...7..7b
.......d.....
