A bot that generates logic puzzles.

@EffDeeEmmu is a Twitter bot created by Matt Rose that generates logic puzzles.

Each tweet has a hard, medium and easy puzzle. Each puzzle is a 6 by 6 grid of emoji, with a random selection of noughts and crosses revealed, with white squares representing blank spaces that need to be deduced. Each line, vertical or horizontal, must consist of 3 noughts and 3 crosses, but there can never be 3 of the same emoji in a row.

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