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

emplv 🇱🇻

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104 / 108 Holes

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22 / 58 Langs

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51 / 75 Cheevos

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Collatz in JavaScript in Chars Play Hole

1st in JavaScript and 4th overall.

Last tested .

Bytes Chars Submitted
55 55