luoxuanfangzhen

说明：  这是一个螺旋方阵的设计，它的功能有：用递归法来运行，用等差数列法来运行，用递归法和等差法进行比较等功能。
(This is a square spiral design, its features are: recursive method used to run, using arithmetic progression method to run, using the recursive method and comparison method such as arithmetic functions.)