1、实现同行为相同数字的1到9数字金字塔效果

2、实现同行123456等数字的金字塔效果。

3、实现相同数字行的上下两个金字塔效果。

4、实现任意其他字符的金字塔效果-1, to achieve the same with the behavior of the number of 1 to 9 digital pyramid effect of 2, to achieve peer-123456 and other digital pyramid effect. 3, to achieve the same number of rows of upper and lower pyramid effect. 4, to achieve any effect other characters in the pyramid