richard rusczyk and david patrick, art of problem solving, with the 2011 usamo winners color palette

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#302B2E #9C8798 #A5C6E3 #DCE3E8 #B2A4C4

related tags: 2E2C2E 302B2E 978C95 9C8798 A5C6E3 B2A4C4 B3ACBC B4C5D3 DCE3E8 DFE3E5 artofproblemsolving bengunby carnegieinstitutionforscience davidpatric davidyang evanodorney joyzheng maa marksellke mathematicalassociationofamerica michaelgao mitchelllee ravijagadeesan rayli richardrusczyk spencerkwon sponsor usamo usamo2011 usamosponsor wenyucao xiaoyuhe