x1=-1.5502550094871128
x2=0.3731605193315005
x3=0.48854724507780617-1.2206343000616262i
x4=0.48854724507780617+1.2206343000616262i
x5=x6=x7=0
x1=-1.5502550094871128
x2=0.3731605193315005
x3=0.48854724507780617-1.2206343000616262i
x4=0.48854724507780617+1.2206343000616262i
x5=x6=x7=0