#include <iostream>
#include <cstdio>

using namespace std;

int A[2005][2005];
int n, m, x, b;

int main()
{
    //freopen("txt.in", "r", stdin);

    cin >> n >> m >> x;

    for(int i = 1; i <= n; ++i) {
        for(int j = 1; j <= n; ++j) {
            cin >> b;
            for(int ii = (i - 1) * x + 1; ii <= i * x; ++ii)
                for(int jj = (j - 1) * x + 1; jj <= j * x; ++jj)
                    A[ii][jj] = b;
        }
    }

    for(int i = 1; i <= n * x; ++i) {
        for(int j = 1; j <= m * x; ++j) {
            cout << A[i][j] << " ";
        }
        cout << "\n";
    }


    return 0;
}