一款记忆力考验的小游戏，根据游戏难度，随机产生一个4*4或4*5或6*6的二维数组，填入不同的符号，测试者通过输入坐标，指定记忆中相同的两个（或三个）符号的位置。-A memory test game, according to the difficulty of the game, randomly generated two-dimensional array of a 4* 4* 4 or 5 or 6* 6, fill different symbols, testers by entering the coordinates specified in the same two memory position (or three) symbols.