Need useful Tips for a trigun Formation

[htwsin]

I need some tips and guides for a trigun formation having the new era of having a princess in a formation because of the signet(Don't know whether did i got the spelling right).
Please help me with a formation that would do me well. (:

[htwsin]

Could someone reply me please?

[Zpirit]

need more info, what level are you and what mercs you can use etc?

[halleylight]

http://media.atlantica-db.com/img/formation/222a5m180c36511634.jpg

One of my old builds, so you can take reference lol...

[htwsin]

I'm lvl 40 now.
:spm::malehero::vik:
:gun: :art:
:sha::gun::mnk:
My current formation ^^