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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: Holes

    Card Number Validation in all languages in chars.

    # Golfer Points Chars Time Submitted
    1st saito-ta 🇯🇵 1,000 25
    2nd ovs-code 🇩🇪 979 29
    3rd bizy-coder 965 67
    3rd pardouin 🇫🇷 965 67
    3rd btnlq 965 67
    3rd Seek64 🇩🇪 965 67
    3rd m-tkach 🇺🇦 965 67
    3rd Rubiksmath 965 67
    3rd JayXon 🇺🇸 965 67
    3rd khvdm 965 67
    3rd ryyyn 🇺🇸 965 67
    3rd Steffan153 🇫🇮 965 67
    13th hallvabo 🇳🇴 951 68
    14th duckyluuk 🇳🇱 948 68
    14th JayXon 🇺🇸 948 68
    14th emplv 🇱🇻 948 68
    14th rucin93 🇵🇱 948 68
    14th sean-niemann 🇺🇸 948 68
    14th Steffan153 🇫🇮 948 68
    20th 2bular 946 30
    20th zacjl 946 30
    22nd sisyphus-ppcg 🇦🇺 939 42
    22nd saito-ta 🇯🇵 939 42
    24th JayXon 🇺🇸 939 51
    24th radarek 🇵🇱 939 51
    26th nwellnhof 🇩🇪 934 69
    27th rhdqor213 930 74
    28th ovs-code 🇩🇪 928 42
    29th pardouin 🇫🇷 928 62
    29th JayXon 🇺🇸 928 62
    29th Steffan153 🇫🇮 928 62
    32nd GrayJoKing 🇦🇺 925 41
    32nd nwellnhof 🇩🇪 925 41
    34th canissimia 🇦🇶 924 47
    34th xsot 🇸🇬 924 47
    36th kg583 🇺🇸 924 70
    36th sean-niemann 🇺🇸 924 70
    38th stefangimmillaro 921 70
    39th primo-ppcg 🇹🇭 917 43
    40th bstrat 916 31
    41st nwellnhof 🇩🇪 915 51
    41st bitsandbeyond 🇳🇱 915 51
    43rd JayXon 🇺🇸 915 78
    43rd AdrienHache 🇫🇷 915 78
    45th JayXon 🇺🇸 908 62
    46th JayXon 🇺🇸 908 64
    46th Steffan153 🇫🇮 908 64
    48th GrayJoKing 🇦🇺 908 71
    48th pardouin 🇫🇷 908 71
    48th ovs-code 🇩🇪 908 71
    48th vlpx 🇫🇮 908 71
    48th lukegustafson 🇺🇸 908 71
    53rd JayXon 🇺🇸 906 76
    54th JayXon 🇺🇸 906 103
    55th JayXon 🇺🇸 905 96
    56th pardouin 🇫🇷 903 53
    56th Steffan153 🇫🇮 903 53
    58th emplv 🇱🇻 903 75
    59th namelessiw 903 79
    60th error256 902 63
    60th JayXon 🇺🇸 902 63
    62nd inventshah 902 74
    62nd JayXon 🇺🇸 902 74
    62nd pardouin 🇫🇷 902 74
    62nd edsrzf 🇳🇿 902 74
    66th sean-niemann 🇺🇸 901 64
    66th edsrzf 🇳🇿 901 64
    66th Steffan153 🇫🇮 901 64
    69th JayXon 🇺🇸 901 88
    69th edsrzf 🇳🇿 901 88
    71st duckyluuk 🇳🇱 898 72
    71st ndren 898 72
    71st CornerMercury 🇬🇧 898 72
    71st anter69 🇭🇺 898 72
    75th JayXon 🇺🇸 898 104
    76th saito-ta 🇯🇵 897 54
    76th DialFrost 🇸🇬 897 54
    76th frankgraziano 897 54
    79th mousetail 🇳🇱 896 52
    80th xsot 🇸🇬 895 72