Which one of the folowing statements is correct?

A

$$G_1 > G_2 > G_3 > ....$$

B

$$G_1 < G_2 < G_3 < ....$$

C

$$G_1 = G_2 = G_3 = ....$$

D

$$G_1 < G_3 < G_5 < ....$$ and $$G_2 > G_4 > G_6 > ....$$