% hitori 399 by Otto Janko, http://www.janko.at/Raetsel/Hitori/399.a.htm
hitori
medium
12 12
aba791c26811
36b28cc91756
148a7565c75b
c23564a71597
5766738b5889
559c24ba3317
b86441399c72
617b282123a3
7185ba43492c
96aac77133b3
275159947a63
6a245b9887c3
