% hitori 300 by Otto Janko, http://www.janko.at/Raetsel/Hitori/300.a.htm
hitori
medium
12 12
2171c61a8b99
6bcb5b944412
774389654128
b89b28716c43
5548b75c3c69
5a8c41329734
92b27359c4a6
9316aa7878b7
1ba7a42376c5
436293885237
86a4859b9683
34556c15b829
