a1=8b-3/2
4b-3/2
c1= 161y+5800/84
23y/12 + 1450/21
x1= -580/7
a2= 8b-3/2
k2=0
x2=-580/7
c3=0
k3=0
x3=-580/7
c4=0
x4=-580/7
y4=-5800/161
a1=8b-3/2
4b-3/2
c1= 161y+5800/84
23y/12 + 1450/21
x1= -580/7
a2= 8b-3/2
4b-3/2
k2=0
x2=-580/7
c3=0
k3=0
x3=-580/7
c4=0
x4=-580/7
y4=-5800/161