# Easy - 1

Write a program that reads a number **N** and prints the **arrow** shape of __(N*2) - 1__ rows using stars (`*`).

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

<MultiLineNote>

There is a space after every star.

</MultiLineNote>

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#### Input

The input will be a single line containing an integer.

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#### Output

The output should be `(N*2) - 1` lines containing stars as an **arrow** shape shown in the sample output.

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#### Explanation

For example, if `N = 4`, the output should be,

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