Untitled

import java.util.Scanner;
public class Main{
    public static void sort(int[][] a , int k){
        for(int i=0;i<a.length-1;i++){
            for(int j=i+1;j<a.length;j++){
                if(a[j][k] < a[i][k]){
                    int temp = a[i][k];
                    a[i][k] = a[j][k];
                    a[j][k] = temp;
                }
            }
        }
    }
    public static void main(String[] args){
        Scanner input = new Scanner(System.in);
        int m = input.nextInt();
        int n = input.nextInt();
        int index = input.nextInt();

        index--;
        int[][] a = new int[m][n];
        for(int i=0;i<a.length;i++){
            for(int j=0;j<a[0].length;j++){
                a[i][j] = input.nextInt();
            }
        }
        for(int i=0;i<a[0].length;i++){
            if(i==index){
                sort(a, index);
            }
        }
        for(int[] b : a){
            for(int c : b){
                System.out.print(c + " ");
            }
            System.out.println();
        }
    }
}

//By Alarm Tran