画花瓣


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Points: 100
Time limit: 1.0s
Memory limit: 32M

Problem types
Allowed languages
C, C++, Java, Python

Description

根据读入的字符和边长,勾画一朵花瓣为等边字符三角形的花。

Input

输入数据含有不超过50组的数据,每组数据包含一个可见字符c和一个整数n(1<=n<=19)。

Output

输出以c为填充字符,边长为的三个三角形并组成一朵花,画每朵花时都应另起一行。

Sample

Input

A 5 B 3

Output

A         A
   AAA       AAA
  AAAAA     AAAAA
 AAAAAAA   AAAAAAA
AAAAAAAAA AAAAAAAAA
         A
        AAA
       AAAAA
      AAAAAAA
     AAAAAAAAA
  B     B
 BBB   BBB
BBBBB BBBBB
     B
    BBB
   BBBBB

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