数独游戏中那个9*9数组的一个生成算法，每行1-9不能重复，每列1-9不能重复，每个3*3的小矩阵也要保证不能重复-Sudoku game that' s a 9* 9 array generation algorithm, each line of 1-9 can not be repeated, each columns 1-9 can not be repeated, each 3* 3 matrix must make sure that the small can not be repeated