1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 + __ ChiÒu quay phÇn øng A 1 A 2 B 1 B 2 + +- - N S N S α 1 2 3 4 5 6 7 8 α 9 10 11 12 13 14 15 16 1-9 2-10 3-11 4-12 5-13 6-14 7-15 8-16 9 10 1 2 14 13 5 6 1-9 2-10 3-11 4-12 5-13 6-14 7-15 8-16 §a gi¸c søc ®iÖn ®éng 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 20 1 2 3 4 23 24 + __ ChiÒu quay phÇn øng A 1 A 2 B 1 B 2 + + - - N S N S 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1-13 2-14 3-15 4-16 5-17 6-18 7-19 8-20 9-21 10-22 11-23 12-24 1-13 2-14 3-15 4-16 5-17 6-18 7-19 8-20 9-21 10-22 11-23 12-24 1 13 14 2 7 8 19 20