/*N=5 i space digit

1 1 4 1

0 1 0 2 3 3

1 0 1 0 1 3 2 5

0 1 0 1 0 1 0 4 1 7

1 0 1 0 1 0 1 0 1 5 0 9

1 2 3 4 5 i n-i (2*i)-1

*/

import java.util.Scanner;

public class Ptrn46

{

public static void main(String[] args)

{

Scanner sc=new Scanner(System.in);

System.out.println("enter the no of lines: ");

int n=sc.nextInt();

int k=1;

for(int i=1;i<=n;i++) //row

{

for(int j=1;j<=n-i;j++) //space

{

System.out.print(" ");

}

for(int j=1;j<=(2*i)-1;j++) //digits

{

System.out.print(k%2+" ");

k++;

}

System.out.println();

sc.close();

}

}

}