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

Maximizer02

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clojure connoisseur

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68 / 108 Holes

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51 / 58 Langs

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41 / 75 Cheevos

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Evil Numbers in Java in Chars Play Hole

28th in Java and 990th overall.

Last tested .

Bytes Chars Submitted
109 109