What do you mean by "ten cadres, one to twelve to the sea"

The meaning of this sentence is roughly that the ten doers refer to the ten heavenly stems in the traditional eight characters: A, B, C, D, E, Ji, G, Xin, Ren and Gui!

One to go to decyl refers to ten days from one to decyl!

The twelve branches refer to the twelve earthly branches, namely the twelve zodiac signs: Zi (mouse), Ugly (ox), Yin (tiger), Mao (rabbit), Chen (dragon), Si (snake), Wu (horse), Wei (sheep), Shen (monkey), You (chicken) and Yi.

The sea of children refers to the twelve branches that belong to twelve genera, from the elephant to the pig!