This is the info i've got:
50650 - Vector 1-star (8.5)
50660 - Vector 2-star (7.5)
50670 - Vector 3-star (6.5)
50680 - Vector 4-star (5.5)
50661 - Vector X11 7.5turns
50671 - Vector X11 6.5turns
50681 - Vector X11 5.5turns
50686 - Vector X11 5turns
50691 - Vector X11 4.5turns