% hitori 305 by Otto Janko, http://www.janko.at/Raetsel/Hitori/305.a.htm
hitori
medium-
10 10
5314565929
5279171318
6a58886a19
347a129567
7695758a34
a868597431
45974a8256
617539249a
79a6231852
a752984855
