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/*fileName:P5Q06.java
*Name:Wang Chaoran
* Description:
6 (Displaying patterns)
Write a method to display a pattern as follows:
 
              1
            2 1
          3 2 1
  ...
n n-1 ... 3 2 1
refer to P4Q3;P4Q2;
The method header is
public static void displayPattern(int n)
*/
import java.util.Scanner;
public class P5Q06{
  public static void main(String[] args){
    //Input
    Scanner scan = new Scanner(System.in);
    System.out.println("Please input an integer");
    int n = scan.nextInt();
    //Output
    displayPattern(n);
  }
  public static void displayPattern(int n){
    String a = " ";
    for(int i=1;i<=n;i++){
       //print blank
      for(int k=n;k>i;k--){
      int p=k;
      while(p != 0){
          p /= 10;
         System.out.print(a);
      }
         System.out.print(a);
                 
      } 
       //print number
      for(int j=i;j>=1;j--)
       System.out.print(j+" ");
        //print next line
      System.out.println();
   
  }
}
}

//printf("%2s"," ");printf("%2d"," ");