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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

    Most tied gold medals in Card Number Validation in chars.

    # Hole Total
    1st Card Number Validation 10
    2nd Card Number Validation 6
    3rd Card Number Validation 5
    4th Card Number Validation 4
    5th Card Number Validation 3
    5th Card Number Validation 3
    5th Card Number Validation 3
    8th Card Number Validation 2
    8th Card Number Validation 2
    8th Card Number Validation 2
    8th Card Number Validation 2
    8th Card Number Validation 2
    8th Card Number Validation 2
    8th Card Number Validation 2
    8th Card Number Validation 2
    8th Card Number Validation 2
    8th Card Number Validation 2
    8th Card Number Validation 2
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1
    19th Card Number Validation 1