% hitori 426 by Otto Janko, http://www.janko.at/Raetsel/Hitori/426.a.htm
hitori
medium
12 12
c7b956261a4a
b8a4129539c6
acb2b9861738
c42773446b38
7b76499a182c
31773b58556b
2a84996cb581
538354732593
398566c711ab
87377589c118
469b21517374
157c26a349b2
