% hitori 275 by Otto Janko, http://www.janko.at/Raetsel/Hitori/275.a.htm
hitori
medium-
10 10
87491237a6
a11994187a
3882a24619
35264a9983
2388595154
78a6522293
9163385459
4213679548
5496857661
2924712321
