生化武器2

The first line of input is the number of test cases T. 
 For each test case. 
The first line contains three integers N(4<=N<=100),M(4<=M<=100)and t(0<=t<=1000). 
N and M means that the rows and columns, t represent time, 
'G' is gogo performances location, 'S' is for SJ to see the performance of the location and 'X' is the wall, '.' is Blank.

For each test case,
if SJ can find a safe place after t seconds, 
then output now the situation room, 
'G' is 'chemical and biological weapons',
 ‘S’ is indicates a place of safety.
Otherwise, output "No".