Are you talking about the false column? There are 4 on the normal design. Often they are polished off the die from over polishing to remove die events. (remove the fields and part of the sub devices are wiped out)
I'm sorry for taking so long to get back to you on this but I am having a hard time with the pictures.i am also pretty sure you are right about the pillars but I am trying to postnew picture of pillar thanks
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