Structure is provided for merging the fixed sized bit field and {HEAD ~ the variable sized bit field} into {TAIL ~ a continuous bit field} 
Structure is provided for merging the fixed sized bit field and { HEAD ~ the variable sized bit field } into { TAIL ~ a continuous bit field }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL