Path1 in N 2/6 2/5 2/7 4 5 6 Properly oriented Value of flow increased by 3 5/6 5/5 5/7 1 4 5 6Path1 in N 1 4 5 Properly oriented 2/6 2/5 6 2/7 Value of flow increased by 3 1 4 5 5/6 5/5 6 5/7