The middle of the base Pyramid 7 consists of a dial. The letters U and A swap with the letters OO and VVV in the middle of the triangle. The swapping occurs alternately.
Either the A swaps with the O.
Or the U swaps with the V.
Or the U swaps with the V and the A swaps with the O.
The dial can be adjusted or rotated clockwise or counterclockwise, like a combination lock on a safe, in order to set the correct placement.
Rotating the dial with the UA in the upper right position one notices that this is a possible position to decipher the Shepherd Monument inscription.
Rotating the dial with the UA (mirror opposite of AU) in the upper left position one notices that this is a possible position to decipher the Shepherd Monument inscription.
