>>528825080
You can also use a double layer or red inserters to duplicate the possible inputs, but having mercy and leaving a single inserter to route out the output, and also discarding sushi for sanity's sake, we have a theoretical max input of ((12 faces*2 layers)-1 reserved output) *2 lanes, meaning 46 possible unique inputs for a single recipe in vanilla
Do we throw foundries and EM plants into this?