PetscDualSpace Object: Lagrange dual space 1 MPI process
  type: lagrange
  Dual space with 1 components, size 4
  Continuous tensor Lagrange dual space
    Dual basis vector 0
        Quadrature on a unknown of order -1 on 1 points (dim 2)
        p0 (-1, -1) +1
    Dual basis vector 1
        Quadrature on a unknown of order -1 on 1 points (dim 2)
        p0 (+1, -1) +1
    Dual basis vector 2
        Quadrature on a unknown of order -1 on 1 points (dim 2)
        p0 (+1, +1) +1
    Dual basis vector 3
        Quadrature on a unknown of order -1 on 1 points (dim 2)
        p0 (-1, +1) +1