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

    ethanlally

    24,588
    •
    23,792
    🥇1
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    🥈0
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    🥉2

    meow

    ⛳

    33 / 123 Holes

    🔣

    1 / 62 Langs

    🏆

    20 / 99 Cheevos

    📅

    Card Number Validation in Java in Bytes Play Hole

    17th in Java and 665th overall.

    Last tested .

    Runtime of .

    Bytes Chars Submitted
    170 170
    185 185
    187 187
    191 191