The Card Number Validation hole will go live in . Why not try and solve it ahead of time?

xyangst

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23,879
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hi

⛳

35 / 108 Holes

🔣

51 / 58 Langs

🏆

28 / 75 Cheevos

📅

Recamán in JavaScript in Chars Play Hole

103rd in JavaScript and 1,132nd overall.

Last tested .

Bytes Chars Submitted
115 115
133 133
135 135
151 151
152 152