A.182°;163°.5 B.180°.5;163°.5 C.180°.5;165° D.182°;165°
A.106°.5;5nmile B.106°.5;6nmile C.105°.5;5nmile D.108°.5;6nmile
A.106°.5;125° B.106°.5;125°.5 C.105°.5;125° D.108°.5;125°