% hitori 367 by Otto Janko, http://www.janko.at/Raetsel/Hitori/367.a.htm
hitori
medium-
10 10
4534a26176
142785a663
86917794a7
2711994936
3289165a2a
7134395932
994548521a
49a8516688
1812457695
93632a8a4a
