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

alphafalfa

26,624
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26,383
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IT guy with exploratory nerding.

⛳

48 / 108 Holes

🔣

12 / 58 Langs

🏆

23 / 75 Cheevos

📅

Happy Numbers in AWK in Bytes Play Hole

17th in AWK and 1,457th overall.

Last tested .

Bytes Chars Submitted
93 93
94 94
95 95
96 96
98 98
99 99
103 103
104 104
147 147
152 152