Symmetries III: SATOR

S A T O R
A R E P O
T E N E T
O P E R A
R O T A S

This latin sentence (the sower Arepo holds the wheels with effort) is more than a palindrome (a sentence that can be read in both directions). In fact it can be read in all four directions of the square exposing even more symmetry. You can mirror it along its diagonals, but not all the symmetries of a square are present: a rotation by 90 degrees does not map the letters to themselves (pong).

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