#include <iostream>
using namespace std;
const int MX = 1000 + 10;
int t, n, tab[MX][MX], i, j;
int main() {
cin >> t;
while(t > 0) {
cin >> n;
for(i = 0; i < n; i++) {
for(j = 0; j < n; j++) {
cin >> tab[i][j];
}
}
for(j = 0; j < n; j++) {
for(i = 0; i < n; i++) {
cout << tab[i][j] << " ";
}
cout << "\n";
}
--t;
}
}
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