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

xsot πŸ‡ΈπŸ‡¬

70,928
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70,204
πŸ’Ž64
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πŸ₯‡347
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πŸ₯ˆ56
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πŸ₯‰69

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76 / 108 Holes

πŸ”£

14 / 58 Langs

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32 / 75 Cheevos

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Reversi in PHP in Chars Play Hole

1st in PHP and 56th overall.

Last tested .

Bytes Chars Submitted
117 117
118 118
121 121
122 122
123 123
126 126
127 127
129 129
131 131