(52,2)\left(\frac{5}{2}, 2\right)(25,2)
(52,−2)\left(\frac{5}{2},-2\right)(25,−2)
(−52,2)\left(-\frac{5}{2}, 2\right)(−25,2)
(−52,−2)\left(-\frac{5}{2},-2\right)(−25,−2)