Lucas is standing in a rectangular formation with his friends. Lucas was the $$3$$\textsuperscript{rd} counting from front to back, the $$2$$\textsuperscript{nd} counting from back to front, the $$4$$\textsuperscript{th} counting from left to right, and the $$3$$\textsuperscript{rd} counting from right to left. How many students were there in the rectangular array? 
Overseas Competition->Knowledge Point->Counting Modules->Law of Addition and Multiplication->Queuing Problems