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fifthcard

https://rubygems.org/gems/fifthcard
Based on the PayPal card puzzle described at http://www.quora.com/What-s-the-hardest-puzzle-question-asked-at-PayPal

Total

Ranking: 130,308 of 195,762
Downloads: 5,132

Daily

Ranking: 154,925 of 195,747
Downloads: 0

Depended by

RankDownloadsName

Depends on

RankDownloadsName
47,43525,816deck

Owners

#GravatarHandle
1iconkristjan