import java.util.*;
public class MyClass {
    public static void main(String args[]) {
      Scanner sc=new Scanner(System.in);
      int m=sc.nextInt();
      int n=sc.nextInt();
      int [][]a=new int[n][m];
      for(int i=0;i<n;i++){
          for(int j=0;j<m;j++){
              a[i][j]=sc.nextInt();
              if(i==0||i==n-1){
                  System.out.print(a[i][j]+" ");
              }
              else if(i+j==n-1){
                  for(int k=0;k<j;k++){
                      System.out.print("  ");
                  }
                  System.out.print(a[i][j]+" ");
              }
          }
          System.out.println();
      }
 
    }
}