ticket=1 buy position opened
ticket=2 sell position opened
ticket=3 buy position opened
ticket=4 sell position opened
ticket=5 buy position opened
ticket=6 sell position opened
ticket=7 buy position opened
ticket=8 sell position opened
when open 3,close 1
when open 4, close 2
when open 5,close 3
when open 6, close 4