#include <bits/stdc++.h>
using namespace std;
int main() {
// your code goes here
int t;
cin>>t;
while(t--){
int n;
cin>>n;
int a[n];
for(int i=0;i<n;i++){
cin>>a[i];
}
int m;
cin>>m;
for(int i=0;i<m;i++){
int temp=0;
temp=a[n-1];
for(int j=n-1;j>0;j--){
a[j]=a[j-1];
}
a[0]=temp;
}
for(int i=0;i<n;i++){
cout<<a[i];
}
cout<<"\n";
}
return 0;
}
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