In the below diagram, I'd like a way to shift time so msg 3 is parallel to msg 1, msg 4 is parallel with msg 2, and message 5 is one row after msg 1
@startuml
!pragma teoz true
participant A
participant B
participant C
participant D
participant E
A -> B : msg 1
B -> C : msg 2
' Want to shift time up 2 rows
E -> D : msg 3
D -> D : msg 4
D -> C : msg 5
@enduml