Graph: 
0: 234, 196
1: 402, 211
2: 295, 320
3: 264, 456
#
0 1
2 1
0 2
2 3
Delaunay Triangulation: 
0: 234, 196
1: 402, 211
2: 295, 320
3: 264, 456
#
2 0
1 0
3 1
2 1
0 3
2 3
Number of edges in Graph:
4
Number of edges in DT:
6
Number of Graph edges in DT:
4
Percentage of Graph edges in DT:
100