/* Pattern Problem
	 1
    121
  12321
1234321
  12321
    121
      1
*/

#include  <stdio.h>
#include  <conio.h>

void main()
{
    int  i, j ;
    clrscr() ;
    printf("Required pattern is as follows: \n") ;
    for(i=1 ; i<=4 ; i++)
        {
            /* Managing spaces */
            for(j=1 ; j<=4-i ; j++)
                printf(" ") ;
            /* Printing from left to Centre */
            for(j=1 ; j<=i ; j++)
                printf("%d", j) ;
            /* Printing to the right of Centre */
            for(j=i-1 ; j>=1 ; j--)
                printf("%d", j) ;
            printf("\n") ;
        }
    for(i=4-1 ; i>=1 ; i--)
        {
            /* Managing spaces */
            for(j=4-i ; j>=1 ; j--)
                printf(" ") ;
            /* Printing from left to Centre */
            for(j=1 ; j<=i ; j++)
                printf("%d", j) ;
            /* Printing to the right of Centre */
            for(j=i-1 ; j>=1 ; j--)
                printf("%d", j) ;
            printf("\n") ;
        }
    getch();
}

/*
Output:

Required pattern is as follows:
   1
  121
 12321
1234321
 12321
  121
   1
*/
