% hitori 197 by Otto Janko, http://www.janko.at/Raetsel/Hitori/197.a.htm
hitori
medium-
12 12
76441a878b5c
c5b789a91268
834b95b21187
6194253ca474
4176227b5bba
51c9aa482436
984a435c7ccb
a828ccc64515
32317498bac4
7b32641548c9
8267542297c1
5985b711642a
