if your site's new, then pages showing up and going out of index is quite a normal behavior. Btw, it doesnt have anything to do with the sandbox filter which seems to be about the aging of incoming links and the resultant serps.
No one has posted to this discussion for at least three months. Please let old threads die and do not reply to them unless you feel you have something new and valuable to contribute that absolutely must be added to make the discussion complete. Otherwise, please start a new thread in this forum instead.
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