Some zoo animals are standing in an array to prepare for the Zoo Olympics. The fox, Bob, finds surprisingly that no matter when he counts from front to back, back to front, left to right, or right to left, he is always the $$3$$\textsuperscript{rd} in line. How many animals are there in the array? 
Overseas Competition->Knowledge Point->Word Problem Modules->Problems Involving Queuing->Finding the Total Number of People in a Rectangular Array