解九宫格数独，可以给出解的个数和一些信息。-Solution the direction pad Sudoku, the number of solutions and some of the information can be given.

VC++双人游戏，通过控制方向键盘来控制橙色（W上、S下、A左、D右）和蓝色光车（方向键盘），触壁或者碰到自己或者对手的轨迹者输。-VC++ double game, by controlling the direction of the keyboard to control the orange (the W, under S, A left, D right) and blue light vehicle (directional pad), touch the wall or hit t