158563
Four generalized Petersen graphs – the 3-prism , the 5-prism , the Dürer graph , and G ( 7,2 ) – are among the seven graphs that are cubic , 3-vertex-connected , and well-covered ( meaning that all of their maximal independent set s have equal size ) .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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