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

    nwellnhof 🇩🇪

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    117 / 121 Holes

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    Card Number Validation in Java in Chars Play Hole

    2nd in Java and 89th overall.

    Last tested .

    Runtime of .

    Bytes Chars Submitted
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    133 133
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    144 144
    145 145