1original graph: 20 <--> 3 3 2 31 <--> 3 42 <--> 0 3 53 <--> 0 0 1 2 61(0,3) 2(0,3) 3(1,3) 4(2,0) 5(3,2) 7 8removing edges connecting 0 and 3 90 <--> 2 101 <--> 3 112 <--> 0 3 123 <--> 1 2 133(1,3) 4(2,0) 5(3,2) 14removing edges with weight greater than 3 150 <--> 161 <--> 3 172 <--> 183 <--> 1 193(1,3) 20