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

alphafalfa

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IT guy with exploratory nerding.

48 / 108 Holes

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12 / 58 Langs

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23 / 75 Cheevos

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Emirp Numbers in AWK in Bytes Play Hole

10th in AWK and 2,210th overall.

Last tested .

Bytes Chars Submitted
140 140
142 142
145 145
146 146
148 148
151 151
171 171
172 172
176 176
180 180
183 183