{HEAD ~ The device} includes a first subset of light modulators and {TAIL ~ a second subset} of light modulators 
includes
{ HEAD ~ The device } includes a first subset of light modulators and { TAIL ~ a second subset } of light modulators
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH