I8 Friezing In the architectural patternsshown here can you
     I8. Friezing. In the architectural patternsshown here, can you find a symmetry that shifts every point to the right? Can you find one that flips the right half and the left half? Can you find one that flips the frieze over? Or flips and shifts?  
  
  Solution
The orange coloured diagram is following the pattern that flips the right half and the left half.
The blue coloured one is following the pattern that shift every point on the right.

