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

xyangst

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35 / 108 Holes

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51 / 58 Langs

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28 / 75 Cheevos

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Evil Numbers (Long) in JavaScript in Chars Play Hole

46th in JavaScript and 1,131st overall.

Last tested .

Bytes Chars Submitted
52 52
53 53
54 54
56 56
62 62
72 72
74 74
76 76
79 79
81 81