// quad.fe
// simple skew quadrilateral

vertices
1   0  0  1   fixed
2   2  0  0   fixed
3   2  2  1   fixed
4   0  2  0   fixed

edges
1   1  2 fixed
2   2  3 fixed
3   3  4 fixed
4   4  1 fixed

faces
1   1 2 3 4 

read

// Typical evolution
gogo := { r; g 5; r; g 5; r; g 5; hessian; hessian; }


