{HEAD ~ Normalizing, columnizing, regionalizing, frameset building and article tracing functions} may be used to develop {TAIL ~ the desired order} in related regions in an article within the image 
used to develop
{ HEAD ~ Normalizing , columnizing , regionalizing , frameset building and article tracing functions } may be used to develop { TAIL ~ the desired order } in related regions in an article within the image
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH