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
1
1 2 0 1 2

boundary
3
1 1 0 1
2 1 1 2
3 1 2 0

vertices
3
2
0 0
1 0
0 1