* c AE x 1 A A 1/2 c a E c AE Y / x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x 2 x x x x x x x x x x x x * c AE x 3 A A 1/2 c a E c AE Y / 4 * c AE x x x x x x x x x x x x x x x x x x x x 5 x A A 1/2 c a E c AE Y / x x 6 * c AE x x x x x x x x x x x x x x x x x x x x x x x x x x x x x 7 A A 1/2 c a E c AE Y / x 8 * c AE x x x x x x x x x x x x x x x x x x x x x x x x x x x x x 9