The specific phase shifts introduced between successive rows and {HEAD ~ frames} result in the illuminated pixels being distributed evenly in {TAIL ~ each frame} 
The specific phase shifts introduced between successive rows and { HEAD ~ frames } result in the illuminated pixels being distributed evenly in { TAIL ~ each frame }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL