MFEM mesh v1.0

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

dimension
2

elements
20
1 3 0 11 26 14
1 3 0 14 27 17
1 3 0 17 28 20
1 3 0 20 29 23
1 3 0 23 30 11
1 3 11 1 12 26
1 3 26 12 3 13
1 3 14 26 13 2
1 3 14 2 15 27
1 3 27 15 5 16
1 3 17 27 16 4
1 3 17 4 18 28
1 3 28 18 7 19
1 3 20 28 19 6
1 3 20 6 21 29
1 3 29 21 9 22
1 3 23 29 22 8
1 3 23 8 24 30
1 3 30 24 10 25
1 3 11 30 25 1

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

vertices
31
2
0 0
1 0
0.309017 0.951057
1.30902 0.951057
-0.809017 0.587785
-0.5 1.53884
-0.809017 -0.587785
-1.61803 0
0.309017 -0.951057
-0.5 -1.53884
1.30902 -0.951057
0.5 0
1.15451 0.475529
0.809019 0.951057
0.154508 0.475529
-0.0954915 1.24495
-0.654508 1.06331
-0.404508 0.293893
-1.21352 0.293893
-1.21352 -0.293892
-0.404508 -0.293893
-0.654508 -1.06331
-0.0954915 -1.24495
0.154508 -0.475529
0.809019 -0.951057
1.15451 -0.475529
0.654509 0.475529
-0.25 0.769421
-0.809016 0
-0.25 -0.76942
0.654509 -0.475529