Quadrilateral

Time limit1sMemory limit256 MB

Summary

Print a solid rectangle of X letters for each given width and height, separating consecutive outputs with a blank line.

Level: Easy1 of 10
Topics: Implementation
Solved: No attempts yet

Problem

A quadrilateral is a figure with four sides. For this problem, print a rectangle using the capital letter X. Each side length is between 1 and 20 inclusive.

Input

The first line contains the number of datasets. Each dataset is two integers: the width and the height of the rectangle.

Output

For each dataset, print the rectangle filled with X. Separate consecutive datasets with a blank line.

Examples4

Example 1

Input

Expected output

XX
XX
XX

XXXXX

XXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXX

Example 2
Input
```
1
1 1
```
Expected output
```
X
```
Example 3
Input
```
1
3 2
```
Expected output
```
XXX
XXX
```
Example 4
Input
```
2
4 1
2 4
```
Expected output
```
XXXX

XX
XX
XX
XX
```