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#723. Pattern: Symmetric number pyramid

You are given n. Print the **Symmetric number pyramid** pattern of size n, like in the example. Be careful with spaces (spaces at the end of a line do not matter). ### Input One integer n (2 ≤ n ≤ 9). ### Output The pattern.

Examples

Input

Output

       1
      121
     12321
    1234321
   123454321
  12345654321
 1234567654321
123456787654321

Input

Output

 1
121

💡 You can solve it with Python, JavaScript or blocks. Read the input line by line with input(). Don't print a question (like input("Number: ")). Print exactly what the output asks for, nothing more.

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