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

Rankings: Holes

Reversi in Nim in chars.

# Golfer Lang Points Chars Time
1st error256 Nim 1,000 163
2nd Shanethegamer 🇺🇸 Nim 803 203
3rd MeWhenI 🇻🇦 Nim 799 204
4th MichalMarsalek 🇨🇿 Nim 463 352