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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?

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    18,589
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    18,259
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    ⛳

    27 / 126 Holes

    🔣

    4 / 64 Langs

    🏆

    14 / 109 Cheevos

    📅

    Card Number Validation in Python in Chars Play Hole

    191st in Python and 815th overall.

    Last tested .

    Runtime of .

    Bytes Chars Submitted
    159 159
    186 186
    197 197
    202 202
    208 208
    209 209
    210 210
    221 221