% hitori 268 by Otto Janko, http://www.janko.at/Raetsel/Hitori/268.a.htm
hitori
medium
12 12
b66838bc45a2
87161ca75a97
cb96136b4748
521419ca7bba
3872a534c869
bb312b5a9a72
945487b2a2c6
99ac26714286
3383c412ba24
2ab74b456351
1c456287793b
6a21b349335b
