_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .
a s_ _ _ _ _ _ _ d v_ _ _ _ _ n is k_ _ _ n as t_ e a_ _ 1 a_ d is p_ _ _ _ _ g c_ _ _ _ _ _ _ _ _ e w_ _ h l_ _ _ r m_ _ _ _ s of t_ e b_ _ _ _ g 7_ _ .
a st_ _ _ _ _ _ d ve_ _ _ _ n is kn_ _ n as the a3_ 1 and is pr_ _ _ _ g co_ _ _ _ _ _ _ _ e wi_ h la_ _ r mo_ _ _ s of the bo_ _ _ g 73_ .