| | Anatomy of Credit Card Numbers (merriampark.com) |
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6 points by xpressyoo on June 9, 2012 | past
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| | Anatomy of Credit Card Numbers (merriampark.com) |
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2 points by potomak on Jan 24, 2012 | past
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| | Anatomy of Credit Card Numbers (merriampark.com) |
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2 points by nreece on Dec 6, 2009 | past
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| | Anatomy of Credit Card Numbers (merriampark.com) |
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6 points by nickb on Dec 11, 2007 | past
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