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The Szekeres snark is a snark (a connected, bridgeless cubic graph with chromatic index equal to 4) with 50 vertices and 75 edges -- the fifth known -- it was discovered by George Szekeres in 1973. For more awesome math t-shirts, visit WEARMATH.COM.
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Product Description:
When plain just won't do, jazz up your ordinary T-shirt collection with our retro-cool ringer T-shirt. Heavyweight and high quality construction.
 Standard Fit
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6.1 oz. 100% preshrunk cotton jersey fabric
Contrasting neck and sleeve bands
Durable double-stitched seams and bottom hem
100% satisfaction guarantee
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