输入一些正整数（≤26），编程输出以这些正整数为边长的附着墙而立的字母三角形。

后面就是每行有n个数，共有m行-Input some positive integer (more than 26), with these positive integer programming output for the distance attached to the wall and stand letters triangle

Input question formats:

The first line a number N, says there are a N matrix

Each matrix after first by the two digital m, n, said the matrix is m* n matrix

Back row number is a n, m line