An ordered n-tuple (d1, d2, … , dn) with d1 >= d2 >= ⋯ >= dn is called graphic if there exists a simple undirected graph with n vertices having degrees d1, d2, … , dn respectively. Which of the following 6-tuples is NOT graphic

An ordered n-tuple (d1, d2, … , dn) with d1 >= d2 >= ⋯ >= dn is ca

1.	An ordered n-tuple (d1, d2, … , dn) with d1 >= d2 >= ⋯ >= dn is called graphic if there exists a simple undirected graph with n vertices having degrees d1, d2, … , dn respectively. Which of the following 6-tuples is NOT graphic
A.	(1, 1, 1, 1, 1, 1)
B.	(2, 2, 2, 2, 2, 2)
C.	(3, 3, 3, 1, 0, 0)
D.	(3, 2, 1, 1, 1, 0)
Answer» D. (3, 2, 1, 1, 1, 0)

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An ordered n-tuple (d1, d2, … , dn) with d1 >= d2 >= ⋯ >= dn is called graphic if there exists a simple undirected graph with n vertices having degrees d1, d2, … , dn respectively. Which of the following 6-tuples is NOT graphic

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