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Star Pattern 15

Time limit1sMemory limit256 MB

Level: Not classified yet
Solved: No attempts yet

Problem

Look at the examples, work out the rule, and print the stars.

Input

The first line contains $N$ . ( $1 \le N \le 100$ )

Output

Print the stars line by line, from the first line to the $N$ th line. Trailing spaces at the end of a line are ignored when judging.

Examples4

Example 1
Input
```
1
```
Expected output
```
*
```
Example 2
Input
```
2
```
Expected output
```
 *
* *
```
Example 3
Input
```
3
```
Expected output
```
  *
 * *
*   *
```
Example 4
Input
```
4
```
Expected output
```
   *
  * *
 *   *
*     *
```

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