#include<iostream>
#include<cstring>
#include<cstdlib>
using namespace std;
int cmp(const void* a, const void* b)
{
return (*(char*)a - *(char*)b);
}
int main()
{
char s1[105], s2[105];
int n;
cin >> n;
while (n--) {
memset(s1, 0, sizeof(s1));
mem...