% hitori 525 by Otto Janko, http://www.janko.at/Raetsel/Hitori/525.a.htm
hitori
medium-
10 10
9452616349
4745a89862
6912592432
a936252414
836a9321a6
7841233537
56495a8721
13813a7235
31a842a65a
a3796a5a98
