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The third level involves the branch Mao above and below; the fourth calculation involves Chen above and below; the fifth calculation involves Si the 4th, 5th, and 6th Earthly Branches above and below.
Regarding the sixth calculation: on the four "mid-season" days original: sizhong ri; the second month of each of the four seasons, if the Earth Door 地戶 (Dihu) | A strategic and mystical "exit" or "hiding place" used in military divination to evade enemies cannot be formed, take the first rod from the initial bottom position and place it upon the position opposing Chen. Using that opposing position as the starting point, the Gate will form naturally.
The incantation for this technique says:
Then, move the first calculation rod from the position of Zi the Rat and place it upon Xu the Dog. Loudly call for the Azure Dragon to descend. The next incantation says:
Then, move the second rod from Chou the Ox and place it upon Mao the Rabbit. Call for the Vermilion Bird to descend. The next incantation says:
Then, move the third rod from Yin the Tiger and place it upon Si the Snake. Loudly call for the Hooked Array original: Gouchen; the golden deity of the center to descend. The next incantation says:
Then, move the fourth rod from Mao the Rabbit and place it upon Chou the Ox. Loudly call for the White Tiger to descend. The next incantation says:
Then, move Chen...