% hitori 572 by Otto Janko, http://www.janko.at/Raetsel/Hitori/572.a.htm
hitori
easy+
10 10
a235589478
9338462a91
395977181a
4673a21527
9765875743
8672399a65
a98154a62a
2249968853
5814687269
3556443aa8
