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