"Care to elaborate why the 2nd parcel which you bought just...

"Care to elaborate why the 2nd parcel which you bought just prior to the ex-div date satisfies the 45-day at risk rule ?"

OK, i can see what you were getting at.
You are replacing the original parcel with a new parcel which you intend to keep for >45 days

The answer is still no, as the ATO advice linked by@Themcrazy clearly states.