#include <iostream>

using namespace std;

int matrice[2005][2005];

int main ()
{
    int n,m,x,a,b,con_lin,con_col,aux,num,i,j,k,oc;
    cin>>n>>m>>x;
    a=n*x;
    b=m*x;
    con_lin=1;
    con_col=1;
    aux=n*m;
    oc=0;
    for (i=1; i<=aux; i++)
    {
        cin>>num;
        oc++;
        for (k=con_lin; k<=con_lin+x-1; k++)
        {
            for (j=con_col; j<=con_col+x-1; j++)
            {
                matrice[k][j]=num;
            }
        }
        con_col+=x;
        if (oc==m)
        {
            con_col=1;
            con_lin+=x;
            oc=0;
        }
    }
    for (i=1; i<=a; i++)
    {
        for (j=1; j<=b; j++)
            cout<<matrice[i][j]<<" ";
        cout<<"\n";
    }
}