Sator Square -

A Roman-era wall plaster fragment dating to the 3rd century.

Want to try it yourself? Write the square on paper. Rotate it 180 degrees – it reads the same. Read it backward – same words. That’s the elegance of the Sator Square. sator square

Arepo appears nowhere else in classical Latin literature. That has led to theories: A Roman-era wall plaster fragment dating to the 3rd century

Here is the trick: Take the Sator Square and rewrite it as two intersecting "Pater Noster" crosses. sator square