Refs #100796  Handle the ccnr righmost child case in a separate loop.
Refs #100796  Handle the ccnr righmost child case in a separate loop.

This starts out at the right end and works its way to the left,
instead of going left-to-right and remembering the last place.

It remains to simplify the leftmost child case, since it no longer
needs to handle both cases.

cawka/ndnx,svartika/ccnx,svartika/ccnx,svartika/ccnx,cawka/ndnx,svartika/ccnx,cawka/ndnx,cawka/ndnx,svartika/ccnx,svartika/ccnx,cawka/ndnx,svartika/ccnx