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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: 125,644 of 180,717
Downloads: 4,408

Daily

Ranking: 121,991 of 180,709
Downloads: 0

Depended by

RankDownloadsName

Depends on

RankDownloadsName
43,33523,339deck

Owners

#GravatarHandle
1iconkristjan