(1,0) (0.8,0) (0.736,0.304) (0.568,0.568) (0.304,0.736) (0,0.8) (-0.304,0.736) (-0.568,0.568) (-0.736,0.304) (-0.8,0) (-1,0) (-0.92,0.38) (-0.71,0.71) (-0.38,0.92) (0,1) (0.38,0.92) (0.71,0.71) (0.92,0.38) (1,0) (0.8,0)