(1, 0)
(23,23)\bigg( \frac{2}{3}, \frac{2}{3} \bigg)(32,32)
(12,12)\bigg( \frac{1}{2}, \frac{1}{2} \bigg)(21,21)
(14,14)\bigg( \frac{1}{4}, \frac{1}{4} \bigg)(41,41)