#include<stdio.h>
int main()
{
  int n = 5,i = 1,j=0,z=0;
  for( i = 1; i <= n ; i++)
  {
    for(j = n - i; j > 0 ; j--)
    {
      printf("%c",' ');
    }
    printf("%d%c",1,' ');
    z = i-1;
    for(j = 0;j < (i-1)/2 ;j++)
    {
      printf("%d%c",z,' ');
      z=z+2;
    }
    if(i%2==0)
      z = z-2;
    else
      z = z-4;
    for(j = 0;j < (i-2)/2 ;j++)
    {
      printf("%d%c",z,' ');
      z=z-2;
    }
    if(i>1)
      printf("1\n");
    else
      printf("\n");
  }    
  
  return 0;
}