package ex_3_pl8;

import java.util.Scanner;

/**
 *
 * @author HP
 */
public class EX_3_PL8 {

    static Scanner ler = new Scanner(System.in);

    public static void main(String[] args) {
        int m[][] = new int[dim()][dim()];
        elementos(m);
        mostrarMatriz(m);
        int[][] res = numerosDiferentes(m);
        mostrarMatriz(res);
    }

    public static int dim() {
        return ler.nextInt();
    }

    public static void elementos(int m[][]) {
        for (int i = 0; i < m.length; i++) {
            for (int j = 0; j < m[i].length; j++) {
                m[i][j] = ler.nextInt();
            }
        }
    }

    public static void mostrarMatriz(int m[][]) {
        String res = "";
        for (int i = 0; i < m.length; i++) {
            for (int j = 0; j < m[i].length; j++) {
                res += " " + m[i][j];
            }
            res += "\n";
        }
        System.out.println(res);
    }

    public static int[][] numerosDiferentes(int m[][]) {
        int cont = 0, cont1 = 0;
        int res[][];
        res = new int[1][cont];
        for (int i = 0; i < m.length; i++) {
            for (int j = 0; j < m[i].length; j++) {
                if (m[i][j] != res[0][cont]) {
                    m[i][j] = res[0][cont];
                    cont++;
                }
            }
        }
        return res;
    }
}