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Source code of every submission to this problem in this contest will be visible for everyone since 2013-08-24 14:37:15.

CPTTRN2 - Character Patterns (Act 2)

Using two characters: . (dot) and * (asterisk) print a frame-like pattern.

Input

You are given t - the number of test cases and for each of the test cases two positive integers: l - the number of lines and c - the number of columns of a frame.

Output

For each of the test cases output the requested pattern (please have a look at the example). Use one line break in between successive patterns.

Example

Input:
3
3 1
4 4
2 5

Output:
*
*
*

****
*..*
*..*
****


*****
*****

Added by:kuszi
Date:2012-09-03
Time limit:1s
Source limit:50000B
Memory limit:1536MB
Cluster: Cube (Intel G860)
Languages:All except: ASM64
Public source code since: 2013-08-24 14:37:15

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2015-04-27 13:08:11
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