wherein m and {HEAD ~ n each} represent {TAIL ~ an integer} ranging from 2 to 5 and p is an integer ranging from 5 to 16 
represent
wherein m and { HEAD ~ n each } represent { TAIL ~ an integer } ranging from 2 to 5 and p is an integer ranging from 5 to 16
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH