{TAIL ~ The picture transformer} generates and outputs {HEAD ~ a picture} obtained by rearraying an input picture from an alternating scanning line basis 
{ TAIL ~ The picture transformer } generates and outputs { HEAD ~ a picture } obtained by rearraying an input picture from an alternating scanning line basis
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH