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http://0hh1.com http://0hh1.com is a much better place to learn the rules.

• BatFastard 9y ago
  Indeed it is, it explains the rule, gives you feedback, and it better looking in general.
  • HiroshiSan 9y ago
    I find it's easier than the puzzle linked since my brain can't unsee '1' and '0' as one and zero, whereas with the blocks, they're just abstract shapes with no meaning aside from colour.
• jasonkostempski 9y ago
  I spent a ridiculous amount of time playing that a few years ago, didn't even realize I was just playing the same game :) Edit: Does 0h h1 have the every row/column has to be unique rule? Edit Edit: It does. I don't think I knew that all the times I had played it years ago, probably would have helped on a few puzzles I got stuck on. Edit 3: It just came into play twice on my first 10x10.