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Day of Week in Ruby
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Aged like Fine Wine
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Big Brother
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Evil Numbers (Long) in Ruby
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Christmas Trees in Ruby
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ASCII Table in Ruby
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99 Bottles of Beer in Ruby
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Up to Eleven
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12 Days of Christmas in Ruby
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Look and Say in Ruby
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Catalan Numbers in Ruby
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Leap Years in Ruby
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Fibonacci in Ruby
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Collatz in Ruby
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Emirp Numbers in Ruby
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Prime Numbers (Long) in Ruby
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Prime Numbers in Ruby
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Evil Numbers in Ruby
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Odious Numbers in Ruby
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Abundant Numbers in Ruby
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Divisors in Ruby
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Black-box Testing
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Niven Numbers in Ruby
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Foo Fizz Buzz Bar in Ruby
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Fizz Buzz in Ruby
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Niven Numbers (Long) in Ruby