251138
Truncated 7-orthoplex Alternate names Coordinates Cartesian coordinates for the vertices of a truncated 7-orthoplex , centered at the origin , are all 168 vertices are sign ( 4 ) and coordinate ( 42 ) permutation s of Images Construction There are two Coxeter group s associated with the truncated 7-orthoplex , one with the C7 or [ 4,35 ] Coxeter group , and a lower symmetry with the D7 or [ 34,1,1 ] Coxeter group .
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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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