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

    nwellnhof 🇩🇪

    113,249
    •
    111,994
    💎178
    •
    🥇757
    •
    🥈392
    •
    🥉279

    Stuck in a local minimum

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    118 / 123 Holes

    🔣

    20 / 62 Langs

    🏆

    54 / 99 Cheevos

    📅

    Card Number Validation in C in Chars Play Hole

    5th in C and 209th overall.

    Last tested .

    Runtime of .

    Bytes Chars Submitted
    84 84
    85 85
    86 86
    87 87
    88 88
    89 89
    90 90
    91 91
    93 93
    94 94