MFEM mesh v1.0
#
# MFEM Geometry Types (see mesh/geom.hpp):
#
# POINT       = 0
# SEGMENT     = 1
# TRIANGLE    = 2
# SQUARE      = 3
# TETRAHEDRON = 4
# CUBE        = 5
# PRISM       = 6
#

dimension
2

elements
6
1 3 0 1 4 3
1 3 2 3 6 5
1 2 3 4 8
1 2 4 7 8
1 2 7 6 8
1 2 6 3 8

boundary
8
1 1 0 1
2 1 1 4
3 1 4 7
4 1 7 6
5 1 6 5
6 1 5 2
7 1 2 3
8 1 3 0

vertices
9
2
0.5 0
1 0
0 0.5
0.5 0.5
1 0.5
0 1
0.5 1
1 1
0.75 0.75