% hitori 224 by Otto Janko, http://www.janko.at/Raetsel/Hitori/224.a.htm
hitori
medium-
12 12
4a1269673823
6b746475a3c9
6a3a5246cb97
8c4127a13594
73244632ba58
a8593b724381
62a4b258294c
b9c871c465aa
c6132a9b2774
5ab69c218441
14918a1c3264
159c479397a2
