/* Pattern Problem
          1
        2 3 2
      3 4 5 4 3
	 4 5 6 7 6 5 4

*/

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

void main()
{
    int  i, j, k, n ;
    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(k=1, j=i ; k<=i ; k++, j++)
                printf("%d ", j) ;
            /* Printing to the right of Centre */
            for(k=1, j=j-2 ; k<=i-1 ; k++, j--)
                printf("%d ", j) ;
            printf("\n") ;
        }
    getch();
}

/*
Output:

Required pattern is as follows:
      1
    2 3 2
  3 4 5 4 3
4 5 6 7 6 5 4

*/