1DIM: 2 2DIM_OF_WORLD: 2 3 4number of elements: 4 5number of vertices: 5 6 7element vertices: 80 1 4 91 2 4 102 3 4 113 0 4 12 13element boundaries: 14 150 0 1 160 0 1 170 0 1 180 0 1 19 20 21vertex coordinates: 22 0.0 0.0 23 1.0 0.0 24 1.0 1.0 25 0.0 1.0 26 0.5 0.5 27 28element neighbours: 291 3 -1 302 0 -1 313 1 -1 320 2 -1 33