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

Lydxn 🇨🇦

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95 / 108 Holes

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55 / 58 Langs

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55 / 75 Cheevos

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Holes Authored

Pernicious Numbers (Long) in SQL in Chars Play Hole

1st in SQL and 286th overall.

Last tested .

Bytes Chars Submitted
89 89
92 92