#include<cstdio>
#include<cstring>
#include<vector>
#include<cstdlib>
#include <sstream>
using namespace std;
int lw[100],rw[100];
vector<int> l[100],r[100];
int main(){
int n,i,j,temp;
stringstream stream;
char s[1000],c;
scanf("%d",&n);
scanf("%c",&c);
vector<int>::iterator it;
for(i=0;i<n;i++){
scanf(" %[^\n]s",s);
stream.clear();
stream.str(s);
stream >> lw[i];
while(stream >> temp) {
l[i].push_back(temp);
}
scanf(" %[^\n]s",s);
stream.clear();
stream.str(s);
stream >> rw[i];
while(stream >> temp) {
r[i].push_back(temp);
}
printf("%d\n",lw[i]);
for(it=l[i].begin();it!=l[i].end();it++)
printf("%d\n",*it);
printf("%d\n",rw[i]);
for(it=r[i].begin();it!=r[i].end();it++)
printf("%d\n",*it);
}
return 0;}
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