The information message may consists of an information element at a location in {HEAD ~ the message}, or more generally in an already existing used message, {TAIL ~ preferably the information element} containing zero information or no duplication related information or an instruction not to perform a duplication 
The information message may consists of an information element at a location in { HEAD ~ the message } , or more generally in an already existing used message , { TAIL ~ preferably the information element } containing zero information or no duplication related information or an instruction not to perform a duplication
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH