% hitori 617 by Otto Janko, http://www.janko.at/Raetsel/Hitori/617.a.htm
hitori
unknown
12 12
9a634314c454
2638512539bc
a15964ca8414
65942c919528
bb1a5382c6cb
5124b891a7a4
bac71a43c58a
ac3924ab7b9b
2a8b8a495447
c89a3c74a2ac
3942872a1b6b
b4cc45b52374
