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

xyangst

23,281
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23,879
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hi

⛳

35 / 108 Holes

🔣

51 / 58 Langs

🏆

28 / 75 Cheevos

📅

π in AWK in Chars Play Hole

14th in AWK and 2,319th overall.

Last tested .

Bytes Chars Submitted
1,016 1,016
1,018 1,018
1,020 1,020