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C=1
A=4
R=1
W=2
N=1
JUMLAH SEMUA'Y 9
pakai rumus permutasi
9 P (1,4,1,2,1 ) = 9! per 1!4!1!2!1!
= 9x8x7x6x5x4! per 1!4!1!2!1!
=9x8x7x3x5 (4! di coret sm 4!,2! di coret sm 6,1! abaikan)
= 7560
jadi ada 7560 cara