CreateData.cpp 文件是产生9x9矩形的数字算法 ShuDu.java 文件只是为了更好的理解数独一个文件，不属于源文件的一部分-CreateData.cpp document is generated rectangular 9x9 digital algorithm ShuDu.java document only to a better understanding of a number of independent papers, are not part of the

8数码问题是通过A*算法来实现的，通过这个小问题可以初步理解A*算法的原理。-8 digital issues is achieved through the A* algorithm, through an initial understanding of this small problem can be the principle of A* algorithm.