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

RobertHoeh

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22 / 108 Holes

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8 / 58 Langs

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14 / 75 Cheevos

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Evil Numbers in JavaScript in Chars Play Hole

237th in JavaScript and 2,977th overall.

Last tested .

Bytes Chars Submitted
66 66
75 75
84 84
88 88
90 90
91 91