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Linear 9 series = Duality Model of Beading (9-1)

P12Hh, N=30+3h, h=12+9k (k=0,1,2,���) �@[T+B=6+6=12]

P12H12 N=66, k=0

P12H21 N=96, k=1

P12H30 N=120, k=2

P12H01, N=66, k=0

P12H21, N=96, k=1

P12H30, N=120, k=2

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