% hitori 515 by Otto Janko, http://www.janko.at/Raetsel/Hitori/515.a.htm
hitori
medium-
10 10
3223a35313
719246853a
a688961a42
48972a7142
36a9254368
93a522a687
7917897453
256a183797
9798897275
1a35546928
