% hitori 258 by Otto Janko, http://www.janko.at/Raetsel/Hitori/258.a.htm
hitori
hard-
12 12
1275ac819a3b
5c7729645a8a
423b36a1c831
96ab81127694
c4c2b51567c8
31c884962b57
c7b43c9886c2
8158cb29a266
6bb1872c6243
73ba5b472c36
9867728b4cc2
228683ca1579
