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

    Rankings: Holes

    Card Number Validation in Prolog in chars.

    # Golfer Points Chars Time Submitted
    1st IanUtley 1,000 113
    2nd ovs-code 🇩🇪 950 119
    3rd annaproxy 856 132
    4th Mikey-Beep 🇬🇧 328 344