December 17, 2014 Solution

December 10, 2014 Solution

December 3, 2014 Solution

November 26, 2014 Solution

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November 12, 2014 Solution

November 5, 2014 Solution

October 29, 2014 Solution

October 22, 2014 Solution

October 15, 2014 Solution

October 8, 2014 Solution

October 1, 2014 Solution

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September 17, 2014 Solution

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September 3, 2014 Solution

August 27, 2014 Solution

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August 13, 2014 Solution

August 6, 2014 Solution

July 30, 2014 Solution

July 23, 2014 Solution

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July 2, 2014 Solution

June 25, 2014 Solution

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June 11, 2014 Solution