#include <iostream>
using namespace std;
int main() {
int n;
cin>>n;
for(int i=0; i<n; i++){
int a,b;
cin>>a>>b;
int matriz[a][b];
for(int k=0; k<a; k++){
for(int j=0; j<b; j++){
cin>>matriz[(a-1)-k][(b-1)-j];
}
}
for(int i=0; i<a; i++){
for(int j=0; j<b; j++){
cout<<matriz[i][j];
if(j==(b-1)){
cout<<endl;
}else{
cout<<" ";
}
}
}
}
return 0;
}
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