% hitori 340 by Otto Janko, http://www.janko.at/Raetsel/Hitori/340.a.htm
hitori
medium
12 12
4159bab3cb6b
15a6a936129b
187a368a8b19
69a46315b35c
5a48122b4c37
171b622568c4
a68854c87c32
762abb6c651a
4bb3c65ca934
849c67629ab5
31ca2976598a
b38179879429
