% hitori 447 by Otto Janko, http://www.janko.at/Raetsel/Hitori/447.a.htm
hitori
medium
12 12
232c9b1a4786
9163823571ca
cc29a3a1b6bc
4957c68218a3
1a3121459b16
12a64183c85b
8ac4bac54392
59b1a92a624c
467b58242a31
782191baa36c
311267695c54
c77a4196681c
