% hitori 513 by Otto Janko, http://www.janko.at/Raetsel/Hitori/513.a.htm
hitori
medium-
10 10
3887972411
4319a8a176
9937a67125
97a2821737
51a6a29374
2a74623451
71942a9678
3687385847
875a516923
682843357a
