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

dokutan (they/them)

80,336
•
84,532
💎39
•
🥇182
•
🥈204
•
🥉426

⛳

108 / 108 Holes

🔣

58 / 58 Langs

🏆

65 / 75 Cheevos

📅

Number Spiral in Java in Chars Play Hole

9th in Java and 320th overall.

Last tested .

Bytes Chars Submitted
506 206
371 371
373 373