    1**  *
    2** **
    3  ** 
    4 *** 
    5**  *
 BANDWIDTH AFTER RENUMBERING=   2 PROFILE AFTER RENUMBERING=   5
 OLD NODE DEGREENEW NODE 
      1      2      5
      2      3      3
      3      1      1
      4      2      2
      5      2      4
