said sub step in step for restoring the weight and marking {HEAD ~ the link} having {TAIL ~ the maximum link cost} is performed when at least one of: 
having
said sub step in step for restoring the weight and marking { HEAD ~ the link } having { TAIL ~ the maximum link cost } is performed when at least one of :
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH