Star Frame n×n

Given a positive integer n, output n identical lines; each line contains n asterisks, with exactly one space between adjacent asterisks.

Standard input/output and this site's supplementary ranges follow this problem's description.

输入格式

One line containing an integer n, 1≤n≤100.

输出格式

Output exactly n lines; each line contains n asterisks, with one space between adjacent asterisks.

样例 1

输入：

2

输出：

* *
* *

样例 2

输入：

5

输出：

* * * * *
* * * * *
* * * * *
* * * * *
* * * * *

样例 3

输入：

8

输出：

* * * * * * * *
* * * * * * * *
* * * * * * * *
* * * * * * * *
* * * * * * * *
* * * * * * * *
* * * * * * * *
* * * * * * * *