Preview file is now the full set of instructions.
The first part is the brief overview, then some examples printed to PDF, then a detailed workflow.
Unzip, then open (will need to enable macros). Follow instructions in the PDF preview file, as the instructions embedded in the Excel file are vague and becoming out of date with updates.
Future updates planned:
Seat labels (printable squares containing the desk number, and the name of each student that sits at that desk.