A.120° B.240° C.360° D.180°
A.1-2-3-4-5-6 B.1-5-3-6-3-4 C.1-4-2-6-3-5 D.1-3-5-6-2-4
A.1-2-3-4 B.1-2-4-3 C.1-3-4-2 D.4-3-2-1