% hitori 514 by Otto Janko, http://www.janko.at/Raetsel/Hitori/514.a.htm
hitori
medium-
10 10
9124348656
1396157a71
4865789225
28272a1391
36342aa537
39598771a9
57a2a14639
228555762a
6aa1a39782
1979625453
