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Geek Tshirt Series by CricketDiane - Once a pi fiend, always a pi fiend.

Geek Tshirt Series by CricketDiane – Once a pi fiend, always a pi fiend.

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pi r squared the wagons geek gift nerd tshirt by cricketdiane 2013

pi r squared the wagons geek gift nerd tshirt by cricketdiane 2013

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pi r squared tshirts for geeks by cricketdiane

pi r squared tshirts for geeks by cricketdiane

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- cricketdiane

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