I am fascinated by such a quantum structure as above, how should the regular distribution for Toffoli and SWAP gates be described by the formula? Is the following correct? $\prod\limits_{n}{{{I}_{{{2}^{i-1}}}}\otimes SWAP\otimes {{I}_{{{2}^{n-i}}}}}?$ $\prod\limits_{n}{{{I}_{{{2}^{i-1}}}}\otimes Toffoli\otimes {{I}_{{{2}^{n-i}}}}}?$