Hi guys, what do you all belive about this next formation? I am a begginer and i dont know if i should use it or not
3N(DC)-2W(Dml/Dmr)-1(MC)-2W(AML/AMR)-2(ST) or
3N(DC)-2W(Dml/Dmr)-2(MC)-2W(AML/AMR)-1(ST)

and what tactics should i use?

Thanks to all for answers!