$MeshFormat 2.1 0 8 $EndMeshFormat $Nodes 5 1 0 0 0 2 1 0 0 3 0.7 0 0 4 0.35 0 0 5 0.85 0 0 $EndNodes $Elements 4 1 15 3 0 1 0 1 2 15 3 0 2 0 2 3 8 3 0 1 0 1 3 4 4 8 3 0 1 0 3 2 5 $EndElements