In the prior art, a movement space or movement profile 601 is generated in {HEAD ~ regard} to {TAIL ~ locality} of the clients A, B, C 
In the prior art , a movement space or movement profile 601 is generated in { HEAD ~ regard } to { TAIL ~ locality } of the clients A , B , C
OTH 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 OTH OTH OTH OTH OTH OTH OTH OTH