% hitori 397 by Otto Janko, http://www.janko.at/Raetsel/Hitori/397.a.htm
hitori
medium
12 12
2a4b58c3a99a
c2743b378971
3b7268c155b8
592abc117a46
a3b1457778c6
82a39856b622
a5b741bc4269
5633a9472a12
9565ca721b5a
4cb9b7bab185
769a8a673c5b
64ba23856763
