1
  2 2
 3   3
4     4
 5   5
  6 6
   7

Zigzag Pattern

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  *        *
    *     *
     *   *
      * *
       *
      * *
     *   *
    *     *
   *       *

Inverted Hollow Pyramid Pattern

* * * * * * * *
 *           *
  *         *
   *       *
    *     *
     *   *
      * *
       *

Butterfly Pattern

*        *
**      **
***    ***
****  ****
**********
**********
****  ****
***    ***
**      **
*        *

Solid Diamond Pattern

    *
   ***
  *****
 *******
*********
 *******
  *****
   ***
    *

Number Pyramid Pattern

     1
    121
   12321
  1234321
 123454321

Hourglass Pattern

*********
 *******
  *****
   ***
    *
   ***
  *****
 *******
*********

Checkerboard Pattern:

* * * * * 
 * * * * *
* * * * * 
 * * * * *

 Hollow Square Pattern

*****
*   *
*   *
*   *
*****

Rhombus Pattern:

     *****
    *****
   *****
  *****
 *****

Alphabet Pattern (A-Z): For example, if you want to print the letter 'E', it would look like:

*****
*
*****
*
*****

Hollow Pyramid Pattern:

*****
*  *
*  *
*  *
*****