URI 1578

#include <bits/stdc++.h>
using namespace std;

typedef unsigned long long ll;

int main() {
    cin.tie(0);
    ios_base::sync_with_stdio(0);

    int t;
    cin >> t;

    for (int ti = 0; ti < t; ti++) {
        if (ti != 0) { cout << "\n"; }
        int n;
        cin >> n;

        vector<vector<ll>> mat (n, vector<ll>(n));
        vector<int> col (n);

        for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            ll x;
            cin >> x;
            x *= x;
            mat[i][j] = x;

            int k = 0;
            while (x) { x /= 10; k++; }
            col[j] = max(col[j], max(k, 1));
        }
        }

        cout << "Quadrado da matriz #" << ti+4 << ":\n";

        for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            if (j != 0) { cout << " "; }
            cout << setw(col[j]) << mat[i][j];
        }
            cout << "\n";
        }
    }
}