% hitori 267 by Otto Janko, http://www.janko.at/Raetsel/Hitori/267.a.htm
hitori
medium-
10 10
7475289212
8371315a59
4312a76891
236821141a
a9a7541262
6629a4a188
6683194977
382aa27245
1654258673
91a3632582
