Yep you're right. But it's per bank you cant mix them.
Bank 1 is cylinders 1,2,3. Bank 2 is Cylinders 4,5,6.
I get errors are on cylinders 1 & 3 (both bank one). So I'm fine replacing injectors 1,2,3 without 4,5,6.
According to this article, injectors 937 and 079 are identical.