Table with more lines per data element

Hi experts,

i have some questions with adobe forms.

I got a table with many positions like that:

The result in the printing PDF should look like this:

I have implemented following solution

• subform
  • table
    • header
    • grouping (repeat for every element)
      • line 1
        • LINE1_2 (Data binding)
        • LINE1_2 (Data binding)
      • line 2
        • LINE2_1 (Data binding)
        • LINE2_2 (Data binding)
      • line 3
        • LINE3_1 (Data binding)
        • LINE3_2 (Data binding)

My problems now are:

• how to get a pagebreak if not all 3 rows of a position fit on the same page
• how to achive a zebra look that always 3 rows have the same color and the next 3 a different one

Is there a better way to structure these elements?

Best regards,

Philip