How many necklace of 12 beads each can be made from 18 beads of dif

1.	How many necklace of 12 beads each can be made from 18 beads of different colours?
A.	18!
B.	18! x 19!
C.	18!(6 x 24)
D.	18! x 30
Answer» D. 18! x 30

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