In reckoning the 12 movements in the opening sequence, one has to consider both the positive movements that shift an octant away from the center of the sphere, exposing the interior, and the opposite, negative movements, which return in the original position.
... the complete sequence of the movements can be written as follows (Roman numbers indicate the order of the movements and the + and - signs indicate opening or closing:
I Earth +, II Fire +, III Moon +, IV Fire -, V Earth -, VI Air +, VII Water +, VIII Sun +, IX Water -, X Air -, XI Earth +, XII Fire +
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