W W W - B B B

6 coins are arranged in a row as above:

3 colored White and 3 colored Black,

with 1 empty space between the two sets.

Object is to reverse the positions, moving

all B's to where W's are now, and moving

all W's to where B's are now.

A coin may jump over ONLY ONE adjacent coin

to an adjacent space, or it may be moved

ONLY ONE space to an empty space.

W's can only move to the right

and B's can only move to the left.

What is the least number of moves required

to reverse the positions ?

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I'm just a multitudinous profusion of oracular profundity.