{TAIL ~ The x ESDS} displace both the DES and UES once they have been used x number of {HEAD ~ times}  
{ TAIL ~ The x ESDS } displace both the DES and UES once they have been used x number of { HEAD ~ times }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH