#include <iostream>
#include<bits/stdc++.h>
using namespace std;
int main() {
int t;
cin>>t;
while(t--)
{
int n,k;
cin>>n>>k;
vector<int> v(n);
for(int i=0;i<n;i++)
cin>>v[i];
sort(v.begin(),v.end(),greater<int>());
for(int i=0;i<n;i++)
cout<<v[i]<<" ";
cout<<"\n";
cout<<106%24;
}
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgojaW5jbHVkZTxiaXRzL3N0ZGMrKy5oPgp1c2luZyBuYW1lc3BhY2Ugc3RkOwoKaW50IG1haW4oKSB7CglpbnQgdDsKCWNpbj4+dDsKCXdoaWxlKHQtLSkKCXsKCQlpbnQgbixrOwoJCWNpbj4+bj4+azsKCQl2ZWN0b3I8aW50PiB2KG4pOwoJCWZvcihpbnQgaT0wO2k8bjtpKyspCgkJY2luPj52W2ldOwoJCXNvcnQodi5iZWdpbigpLHYuZW5kKCksZ3JlYXRlcjxpbnQ+KCkpOwoJCWZvcihpbnQgaT0wO2k8bjtpKyspCgkJY291dDw8dltpXTw8IiAiOwoJCWNvdXQ8PCJcbiI7CgkJY291dDw8MTA2JTI0OwoJfQoJcmV0dXJuIDA7Cn0=