{HEAD ~ The selected segmentations} may be modified to minimize total leaf movement relative to apertures in {TAIL ~ the selected segmentations} while satisfying physical constraints, such as a maximum leaf movement or interdigitation constraint 
{ HEAD ~ The selected segmentations } may be modified to minimize total leaf movement relative to apertures in { TAIL ~ the selected segmentations } while satisfying physical constraints , such as a maximum leaf movement or interdigitation constraint
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH