% hitori 581 by Otto Janko, http://www.janko.at/Raetsel/Hitori/581.a.htm
hitori
easy+
10 10
782279a1a9
3a61357628
a615248a41
217a135a88
5419a245a9
592732481a
22a47a9697
75a51a2294
375981a213
a358241852
