RTC 2009 R2 Blank Row Printing

i am having one query.

i want to print blank Row in RTC report in 2009 R2.
Report ID is R405 Order report of PO.

my Question is.
Q1) i am having PO. No ABC123 and PO contain 5 line it Line item table i.e.
Item 1, item 2....item 5

so i want print that report in such way that
item 1
item 2
.
.
item 5
Blank row 1
Blank row 2
Blank row 3
balnk row 4

and then footer

if having PO. No ABC456 and PO contain 7 line it Line item table i.e.
Item 1, item 2....item 7

so i want print that report in such way that
item 1
item 2
.
.
item 5
item 6
item 7

Blank row 1
Blank row 2

Q2) if having PO. No ABC129 and PO contain 12 line it Line item table i.e.
Item 1, item 2....item 12

so i want print that report in such way that
item 1
item 2
.
.
item 9

and then RTC report automatic print in next page
and then in next page should be print as

item 10
item 11
item 12
Blank row 1
Blank row 2
Blank row 3
balnk row 4

and then footer

i need you your expert suggestion.
same way i can able to do it in Classic report in NAV 2009 R2 but not able to in RTC.
plz help