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

Ripick

59,872
•
57,796
🥇2
•
🥈7
•
🥉22

⛳

87 / 108 Holes

🔣

15 / 58 Langs

🏆

34 / 75 Cheevos

📅

Niven Numbers (Long) in Nim in Chars Play Hole

11th in Nim and 728th overall.

Last tested .

Bytes Chars Submitted
67 67
68 68