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

m42km (he/him)

40,351
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36,160
🥇5
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🥈0
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🥉0

⛳

59 / 108 Holes

🔣

7 / 58 Langs

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23 / 75 Cheevos

📅

Niven Numbers (Long) in Python in Chars Play Hole

44th in Python and 386th overall.

Last tested .

Bytes Chars Submitted
112 54
58 58
64 64
66 66
68 68