0: -> [6,2] -> [1,10]
1: -> [2,31]
2: -> [1,22]
3: -> [5,11]
4: -> [3,13] -> [1,56] -> [0,9]
5: -> [6,15] -> [2,25]
6: -> [7,22] -> [1,6]
7: -> [5,1]  -> [0,12]

maxOutDegree: 3
minOutDegree: 1
maxInDegree: 4
minInDegree: 0
maxDegree: 5
minDegree: 2

removing edge 3 -> 5
Graph after removing edge 3 -> 5
0: -> [6,2] -> [1,10]
1: -> [2,31]
2: -> [1,22]
3: 
4: -> [3,13] -> [1,56] -> [0,9]
5: -> [6,15] -> [2,25]
6: -> [7,22] -> [1,6]
7: -> [5,1] -> [0,12]

removing edge 6 -> 1
Graph after removing edge 6 -> 1
0: -> [6,2] -> [1,10]
1: -> [2,31]
2: -> [1,22]
3: 
4: -> [3,13] -> [1,56] -> [0,9]
5: -> [6,15] -> [2,25]
6: -> [7,22] 
7: -> [5,1] -> [0,12]

removing edge 17 -> 6
java.lang.Exception: Non Existent Edge Exception: removeEdge(17,6)