Full symmetry
A polyomino has all symmetries of the square or full symmetry if it is equal to its reflection over any axis or diagonal line, or any 90˚ rotation. This symmetry is represented by the dihedral group , the symmetry group of the square.
A polyomino has all symmetries of the square or full symmetry if it is equal to its reflection over any axis or diagonal line, or any 90˚ rotation. This symmetry is represented by the dihedral group , the symmetry group of the square.