-1
-5
4
0
x1 = 4.0 z1 = 4.506841610003488e-23
x2 = 4.0 z2 = 1.281841273487287e-40
x3 = 4.0 z3 = 5.321096605664431e-24
x4 = 4.0 z4 = 7.329370440543195e-26
x5 = -1.0 z5 = -5.0
x6 = 4.0 z6 = 3.81660837373553e-28
x7 = 4.0 z7 = 5.885002725296305e-27
x7 = 4.0 z7 = 5.885002725296305e-27