)}}}\right] \rightarrow \left[\tiny{{{(e,o)} \atop\rule{0pt}{00pt} {(o,\emptyset)}}}\right]\right),\\[00pt] \mathcal{C}\left( \left[\tiny{{{(o,e)} \atop\rule{0pt}{00pt} {(o,e)}}}\right] \rightarrow \left[\tiny{{{(o,e)} \atop\rule{0pt}{00pt} {(o,\emptyset)}}}\right]\right), & \mathcal{C}\left( \left[\tiny{{{(o,e)} \atop\rule{0pt}{00pt} {(\emptyset,o)}}}\right] \rightarrow \left[\tiny{{{(\emptyset,o)} \atop