% hitori 616 by Otto Janko, http://www.janko.at/Raetsel/Hitori/616.a.htm
hitori
unknown
12 12
b69ac2ab1b53
242398157997
951b434956bc
397a5b2a8416
b826938b3772
c189a6376925
a7151422ca79
42b9a5cb6b3a
382a298387b2
9269854b5257
ab4731ac9862
155bb39683b8
