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

Rankings: Holes

Card Number Validation in Python in bytes.

# Golfer Points Bytes Time
1st bizy-coder 1,000 84
1st pardouin 🇫🇷 1,000 84
1st AlephSquirrel 1,000 84
1st btnlq 1,000 84
1st Seek64 🇩🇪 1,000 84
1st m-tkach 🇺🇦 1,000 84
1st Rubiksmath 1,000 84
1st JayXon 🇺🇸 1,000 84
1st kops-cg 1,000 84
1st xnor-gate 1,000 84
1st khvdm 1,000 84
12th inventshah 988 85
13th nwellnhof 🇩🇪 933 90
13th ovs-code 🇩🇪 933 90
13th kg583 🇺🇸 933 90
13th sean-niemann 🇺🇸 933 90
17th 5cw 🇺🇸 923 91
17th stefangimmillaro 923 91
17th duckyluuk 🇳🇱 923 91
20th Shanethegamer 🇺🇸 913 92
20th error256 913 92
20th thatbirdguythatuknownot 913 92
23rd Bulmenisaurus 903 93
23rd lynn 903 93
25th DialFrost 🇸🇬 894 94
25th ndren 894 94
27th moustave 884 95
27th emgordon154 884 95
29th MeWhenI 🇻🇦 857 98
29th GolfingSuccess 🇬🇷 857 98
29th firegene 🇮🇪 857 98
32nd SirBogman 🇺🇸 848 99
33rd anter69 🇭🇺 840 100
33rd bzijlema 840 100
33rd bricknellj 840 100
36th lifthrasiir 🇰🇷 832 101
36th btjones0 832 101
38th annaproxy 824 102
39th hallvabo 🇳🇴 816 103
39th ryyyn 816 103
41st jatloe 808 104
42nd fourth-bit 800 105
42nd jared-hughes 800 105
42nd mattyhempstead 800 105
45th davecame 792 106
45th starfihs 792 106
45th rschwa6308 🇺🇸 792 106
45th snydej 792 106
49th commandblockguy 🇺🇸 785 107
49th zbreit 🇺🇸 785 107
49th StardustGogeta 785 107
49th ZakkkkAttackkkk 🇵🇭 785 107
53rd neihousaigaai 778 108
53rd StefanHabel 🇨🇦 778 108
55th CaedenHarper 🇨🇦 764 110
55th cros107 764 110
57th mousetail 🇳🇱 757 111
58th OllieBoyne 🇬🇧 750 112
58th WillConker 750 112
58th maxgodfrey2004 🇨🇦 750 112
61st SB-945 743 113
61st Artemis21 🇬🇧 743 113
63rd HumanoidCPU 737 114
64th Bmrl7 724 116
64th rowechenzhong 724 116
66th dtbao20 🇻🇳 718 117
66th Pyroan 718 117
68th elgan65536 712 118
68th logvp 712 118
68th ahmetdemirag 🇨🇾 712 118
68th albanian-laundromat 712 118
72nd jtaxen 706 119
72nd psbpsbp 706 119
74th TaserTheFox 🇺🇸 700 120
74th yokasuretsu 700 120