#include <cstdio>
#include <cstring>
#include <string>
#include <iostream>
#include <sstream>
using namespace std;
char a[200];
void printrev(char* s)
{
// strrev(s);
char* h = s;
char* t = s;
char ch;
while(*t++);
t--;
t--;
while(h < t)
{
ch = *h;
*h++ = *t;
*t-- = ch;
}
printf("%s", s);
}
int main()
{
int count, c, k;
string str;
scanf("%d", &count);
gets(a);
for(int i=0; i<count; ++i)
{
//in
gets(a);
scanf("%d", &c);
gets(a);
for(int j=0; j<c; ++j)
{
getline(cin, str);
stringstream ss(str);
k = 0;
while(ss>>a)
{
if(k!=0)
putchar(' ');
printrev(a);
k++;
}
putchar('\n');
}
if(i!=count-1)
putchar('\n');
}
return 0;
}