Node
5
0, 0, 0, 0
1, 1, 1, 1
2, 2, 2, 2
3, 3, 3, 3
4, 4, 4, 4

Elem
3
0, 0, 3, 4, 1
1, 0, 2, 3, 1
2, 0, 4, 2, 1