The shapes, already used on previous pages, can be reused on other pages under certain conditions.
RULES OF REUSING OBJECTS
•If the current page is even (left page):
othe object can be optionally be reused if used on the iPgNum-1, but it is better to avoid
othe object MUST NOT be reused if used on the iPgNum -2 as it will create two identical pages
othe object CAN BE resued if used on the iPgNum -3 or earlier
•If the current page is odd (right page)
othe object MUST NOT be reused if used on the iPgNum-1 or on iPgNum-2
othe object CAN BE resued if used on the iPgNum -3 or earlier
•If the current page is double (left/right page) - the isDouble is true, the iPgNum is left page num
othe object MUST NOT be reused if used on the iPgNumiPgNum-1 or on iPgNum-2
othe object CAN BE resued if used on the iPgNum -3 or earlier
•Count usage must not exceed npages/4, so about 3 times on each 13 pages.