Representing a tensor product of single-qubit operations, with the capability to efficiently modify an arbitrary single-qubit operator in that product

It seems like there is no method that allows you to compose single qubit Clifford operators. This is understandable as `sX(1) * sY(2)` will no longer be single-qubit and doesn't really make sense to use "symbolic" interface. However, for graph state simulator, for VOP we would like to have a representation of single qubit Clifford group which is closed under composition so we could basically make a table for composition. Having a data structure representing that will be of great use as we don't need to use `CliffordOperator` etc. for computing composition. **Describe the solution you’d like** Create a new data structure for single qubit clifford group.