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