The diagram shows a circle with centre OOO and radius 666. The chord ABABAB subtends an angle of 2π3\frac{2\pi}{3}32π at OOO. Find the exact area of the shaded minor segment. A6π−936\pi-9\sqrt36π−93B12π−18312\pi-18\sqrt312π−183C12π−912\pi-912π−9D24π−9324\pi-9\sqrt324π−93E12π+9312\pi+9\sqrt312π+93F12π−9312\pi-9\sqrt312π−93