This is also true accordingly with {HEAD ~ regard} to the module length with {TAIL ~ a variable length component LX} 
This is also true accordingly with { HEAD ~ regard } to the module length with { TAIL ~ a variable length component LX }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL