v(1) = 3.000000e+00
v(3) = 4.000000e+00
v(4) = 5.000000e+00
v(5) = 2.000000e+00
v(6) = 3.545454e+00
v(7) = 6.567900e+00
v(8) = 3.545389e+00
x1.1 = 6.572434e+00
x1.2 = 6.572434e+00
x1.4 = 6.572434e+00
