S1Y4M3M3E1T1R1I1E1S1
17 points
SYMMETRIES is validvalid
SYMMETRY, an exact correspondence between the opposite halves of a figure [n]
SYMMETRY, exact correspondence between the opposite halves of a figure [n]
SYMMETRY, an exact correspondence between the opposite halves of a figure [n]
SYMMETRY, exact correspondence between the opposite halves of a figure [n]