MFEM mesh v1.0

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

dimension
3

elements
7
1 5 0 1 4 3 9 10 13 12
1 5 3 4 7 6 12 13 16 15
1 5 2 3 6 5 11 12 15 14
1 5 11 12 15 14 20 21 24 23
1 5 12 13 16 15 21 22 25 24
1 5 9 10 13 12 18 19 22 21
1 5 8 9 12 11 17 18 21 20

boundary
24
1 3 5 6 3 2
2 3 6 7 4 3
3 3 3 4 1 0
4 3 11 12 9 8
5 3 2 3 12 11
6 3 0 1 10 9
7 3 9 10 19 18
8 3 8 9 18 17
9 3 1 4 13 10
10 3 4 7 16 13
11 3 13 16 25 22
12 3 10 13 22 19
13 3 7 6 15 16
14 3 6 5 14 15
15 3 15 14 23 24
16 3 16 15 24 25
17 3 5 2 11 14
18 3 3 0 9 12
19 3 11 8 17 20
20 3 14 11 20 23
21 3 17 18 21 20
22 3 18 19 22 21
23 3 21 22 25 24
24 3 20 21 24 23

vertices
26
3
0 -1 -1
1 -1 -1
-1 0 -1
0 0 -1
1 0 -1
-1 1 -1
0 1 -1
1 1 -1
-1 -1 0
0 -1 0
1 -1 0
-1 0 0
0 0 0
1 0 0
-1 1 0
0 1 0
1 1 0
-1 -1 1
0 -1 1
1 -1 1
-1 0 1
0 0 1
1 0 1
-1 1 1
0 1 1
1 1 1