{TAIL ~ The method} is applicable to {HEAD ~ the formation} of single crystals for any clathrate I or clathrate II structure 
{ TAIL ~ The method } is applicable to { HEAD ~ the formation } of single crystals for any clathrate I or clathrate II structure
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