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    The Calendar hole will go live in approximately . Why not try and solve it ahead of time?

    tatzyr 🇯🇵

    74,225
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    78,164
    🥇14
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    Gigantic hashtable solves everything.

    ⛳

    118 / 123 Holes

    🔣

    6 / 62 Langs

    🏆

    52 / 99 Cheevos

    📅

    Card Number Validation in Ruby in Chars Play Hole

    19th in Ruby and 410th overall.

    Last tested .

    Runtime of .

    Bytes Chars Submitted
    150 68
    81 81
    89 89
    90 90
    93 93
    95 95
    97 97
    99 99
    111 111
    134 134
    145 145
    194 194
    263 263