Canvas App Layout Issue (Forms, Containers, DataCards oh my)

[edhalsim]

I need to create an Edit form with the following layout:

Label1	Label2
	Label3	Input3
Label4	[Input4] hours from [Input5] Resource Pool
Label5	Label6

[Label3] & [Input3] are a DataCard as are [Label4] & [Input4].  [Input5]'s label is "Resource Pool".

I was planning on doing something like this:

EditForm

    DataCard_Custom

        Horizontal Container

            Vertical Container

But it doesn't look like I can add the DataCards to the container.  I'm assuming you can't nest DataCards one inside another.

It also seems odd I can't use a layout container directly under a Form.

Is there any way to accomplish this?  Thanks, I appreciate any help.