=
{
{{neml2::TensorType::kScalar, neml2::TensorType::kScalar}, neml2::TensorType::kScalar},
{{neml2::TensorType::kSR2, neml2::TensorType::kSR2}, neml2::TensorType::kSSR4},
{{neml2::TensorType::kSR2, neml2::TensorType::kScalar}, neml2::TensorType::kSR2},
{{neml2::TensorType::kScalar, neml2::TensorType::kSR2}, neml2::TensorType::kSR2},
{{neml2::TensorType::kR2, neml2::TensorType::kR2}, neml2::TensorType::kR4},
{{neml2::TensorType::kR2, neml2::TensorType::kScalar}, neml2::TensorType::kR2},
{{neml2::TensorType::kScalar, neml2::TensorType::kR2}, neml2::TensorType::kR2},
}