% hitori 326 by Otto Janko, http://www.janko.at/Raetsel/Hitori/326.a.htm
hitori
medium-
10 10
5249a17624
793555a282
7241a58938
3a65148497
a573937249
18427653a3
61a1216829
a656274818
2718691354
43834a9a26
