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

alphafalfa

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26,383
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IT guy with exploratory nerding.

⛳

48 / 108 Holes

🔣

12 / 58 Langs

🏆

23 / 75 Cheevos

📅

Fibonacci in AWK in Chars Play Hole

43rd in AWK and 5,010th overall.

Last tested .

Bytes Chars Submitted
47 47
48 48
49 49
50 50
54 54
60 60
61 61
65 65
74 74
76 76
77 77
79 79