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    The Gray Code Decoder and Gray Code Encoder holes will go live in approximately . Why not try and solve them ahead of time?

    Rankings: Medals

    💎 Oldest diamonds (uncontested gold medals) in Card Number Validation in bytes.

    # Golfer Hole Submitted
    1st canissimia 🇦🇶 Card Number Validation
    2nd MostParsingVex Card Number Validation
    3rd MeWhenI 🇻🇦 Card Number Validation
    4th JayXon 🇺🇸 Card Number Validation
    5th IanUtley Card Number Validation
    6th saito-ta 🇯🇵 Card Number Validation
    7th AdrienHache 🇫🇷 Card Number Validation
    8th sean-niemann 🇺🇸 Card Number Validation
    9th ovs-code 🇩🇪 Card Number Validation
    10th ovs-code 🇩🇪 Card Number Validation
    11th ovs-code 🇩🇪 Card Number Validation
    12th JayXon 🇺🇸 Card Number Validation
    13th JayXon 🇺🇸 Card Number Validation
    14th GrayJoKing 🇦🇺 Card Number Validation
    15th canissimia 🇦🇶 Card Number Validation
    16th JayXon 🇺🇸 Card Number Validation
    17th UnderKoen 🇳🇱 Card Number Validation
    18th JayXon 🇺🇸 Card Number Validation
    19th JayXon 🇺🇸 Card Number Validation
    20th JayXon 🇺🇸 Card Number Validation
    21st m-tkach 🇺🇦 Card Number Validation
    22nd JayXon 🇺🇸 Card Number Validation
    23rd JayXon 🇺🇸 Card Number Validation
    24th JayXon 🇺🇸 Card Number Validation
    25th JayXon 🇺🇸 Card Number Validation
    26th emplv 🇱🇻 Card Number Validation
    27th lifthrasiir 🇰🇷 Card Number Validation
    28th ovs-code 🇩🇪 Card Number Validation
    29th ovs-code 🇩🇪 Card Number Validation
    30th primo-ppcg 🇹🇭 Card Number Validation
    31st JayXon 🇺🇸 Card Number Validation
    32nd JayXon 🇺🇸 Card Number Validation
    33rd khvdm Card Number Validation
    34th JayXon 🇺🇸 Card Number Validation
    35th primo-ppcg 🇹🇭 Card Number Validation
    36th mousetail 🇳🇱 Card Number Validation
    37th JayXon 🇺🇸 Card Number Validation
    38th GrayJoKing 🇦🇺 Card Number Validation
    39th edsrzf 🇳🇿 Card Number Validation
    40th edsrzf 🇳🇿 Card Number Validation
    41st error256 Card Number Validation
    42nd edsrzf 🇳🇿 Card Number Validation
    43rd edsrzf 🇳🇿 Card Number Validation
    44th edsrzf 🇳🇿 Card Number Validation
    45th JayXon 🇺🇸 Card Number Validation
    46th edsrzf 🇳🇿 Card Number Validation
    47th edsrzf 🇳🇿 Card Number Validation