How to configure multiple proxies in 3proxy through different parent?

Question

proxy

How to configure multiple proxies in 3proxy through different parent?
Done like this:

setgid 115
setuid 109

nserver 213.133.98.98
nserver 213.133.100.100
nserver 213.133.99.99

nscache 65536

timeouts 1 5 30 60 180 1800 15 60

daemon

log /var/log/3proxy/3proxy.log D
logformat "- +_L%t.%. %N.%p %E %U %C:%c %R:%r %O %I %h %T"

auth strong

allow *
parent 1000 http *.*.27.184 7951 login pass
proxy -n -p3128 -a

allow *
parent 1000 http *.*.27.185 7951 login pass
proxy -n -p3129 -a

allow *
parent 1000 http *.*.27.186 7951 login pass
proxy -n -p3130 -a

But on any port it goes through *.*.27.184
How to configure it correctly?

Answer 1

allow *
parent 1000 http *.*.27.184 7951 login pass
proxy -n -p3128 -a
flush
allow *
parent 1000 http *.*.27.185 7951 login pass
proxy -n -p3129 -a
flush
allow *
parent 1000 http *.* .27.186 7951 login pass
proxy -n -p3130 -a