x1 = 0.1428571428571429
y1 = 0.1428571428571429
x2 = 0.1428571428598863
y2 = 0.1428571428598863
x3 = -2.434574337728793e-21
y3 = -2.434574337728854e-21
x4 = -1.28902045796802e-25
y4 = -1.289020457960262e-25
x5 = -4.903168451340711e-12
y5 = -4.903168451340711e-12
x6 = -2.968665246054741e-32
y6 = -2.968665269874573e-32
x7 = 0.1428571428571504
y7 = 0.1428571428571504
x8 = 0.142857142857143
y8 = 0.142857142857143
x9 = 0.1428571428573401
y9 = 0.1428571428573401
x9 = 0.1428571428573401
y9 = 0.1428571428573401