#include <iostream>
using namespace std;
int main() {
int q;
cin>>q;
while(q--)
{
string s,t,p;
cin>>s>>t>>p;
int n=s.length();
int m=t.length();
int z=p.length();
string h;
while(n!=m)
{
for(int i=0;i<m;i++)
{
for(int j=0;j<z;j++)
{
if(t[i]==p[j])
h[i]=p[j];
}
}
}
s.append(h);
}
return 0;
}
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