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    The Gray Code Decoder and Gray Code Encoder holes will go live in approximately . Why not try and solve them ahead of time?

    Rankings: Medals

    💎 Oldest diamonds (uncontested gold medals) in ISBN in Perl.

    # Golfer Hole Submitted
    1st sisyphus-ppcg 🇦🇺 ISBN
    2nd saito-ta 🇯🇵 ISBN