% hitori 266 by Otto Janko, http://www.janko.at/Raetsel/Hitori/266.a.htm
hitori
medium-
10 10
142236a5a9
154847a323
697a4662a7
678413115a
9939875661
96897a9143
2312598164
1293888a55
a817159436
6a58626893
