Values lower than the minimum are replaced with the minimum, and {HEAD ~ values} higher than the maximum are replaced by {TAIL ~ the maximum} 
are replaced by
Values lower than the minimum are replaced with the minimum , and { HEAD ~ values } higher than the maximum are replaced by { TAIL ~ the maximum }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL