# vtk DataFile Version 2.0
cavity, Created by Gmsh
ASCII
DATASET UNSTRUCTURED_GRID
POINTS 9 double
0 0 0
1 0 0
1 1 0
0 1 0
0.4999999999990216 0 0
0.5000000000013878 1 0
0 0.5000000000013878 0
1 0.4999999999990216 0
0.5000000000002046 0.5000000000002048 0

CELLS 16 52
1 0
1 1
1 2
1 3
2 0 4
2 4 1
2 2 5
2 5 3
2 3 6
2 6 0
2 1 7
2 7 2
4 0 4 8 6
4 6 8 5 3
4 4 1 7 8
4 8 7 2 5

CELL_TYPES 16
1
1
1
1
3
3
3
3
3
3
3
3
9
9
9
9