3.1.0.1 Example 1:

#MESH file with triangles and tetrahedra
MeshVersionFormatted 2

Dimension 3
 
Vertices
8
0 0 0 1
0 1 0 1
1 1 0 1
1 0 0 1
0 0 1 1
0 1 1 1
1 1 1 1
1 0 1 1

Triangles
12 
1 4 8 15
1 2 4 10
3 2 7 14
8 3 7 12
5 8 6 11
2 5 6 13
5 2 1 13
8 5 1 15
7 6 8 11
2 6 7 14
4 3 8 12
2 3 4 10

Tetrahedra
6
1 2 8 4 2
8 3 2 7 2
2 5 8 6 2
8 5 2 1 2
2 7 6 8 2
2 4 3 8 2

End