{TAIL ~ The pattern} of the large cells identifies {HEAD ~ orientation} while the exact shape of the large cell will be an indicator of skew 
{ TAIL ~ The pattern } of the large cells identifies { HEAD ~ orientation } while the exact shape of the large cell will be an indicator of skew
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH