% hitori 336 by Otto Janko, http://www.janko.at/Raetsel/Hitori/336.a.htm
hitori
medium-
10 10
1645737287
a558966637
6a13727458
4568a59472
987a285134
558aa92313
3618844546
5439378a21
81a7561349
123857a978
