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

alphafalfa

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IT guy with exploratory nerding.

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48 / 108 Holes

🔣

12 / 58 Langs

🏆

23 / 75 Cheevos

📅

Fizz Buzz in C# in Chars Play Hole

434th in C# and 9,069th overall.

Last tested .

Bytes Chars Submitted
164 164
167 167
168 168
172 172
174 174
178 178