% hitori 37 by Otto Janko, http://www.janko.at/Raetsel/Hitori/037.a.htm
hitori
very hard
17 17
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33f27668615g44ba7
4f51cd368b39dabe7
81b1d776c92caeh57
6faaa26d68hg1b73c
ed42abc99553fe78g
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aghhhc5e1794392bg
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7d6d5gc2131bce8d9
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de12g996hce52f4d8
c9eb878f86e2cd915
9ca684fb1gg89hehd
b88e4e2799c1h6dh3
148gchd834de7b9hf
