{TAIL ~ The cut off portion} of light rays forms {HEAD ~ a cut off portion} of the light distribution pattern 
{ TAIL ~ The cut off portion } of light rays forms { HEAD ~ a cut off portion } of the light distribution pattern
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH