The Tic-tac-toe hole will go live in approximately . Why not try and solve it ahead of time?

Natanaelel πŸ‡ΈπŸ‡ͺ

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112 / 112 Holes

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60 / 61 Langs

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60 / 77 Cheevos

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Card Number Validation in Ruby in Bytes Play Hole

9th in Ruby and 259th overall.

Last tested .

Bytes Chars Submitted
61 61