Welcome back to the world of Enumeration, did you miss me?

In this task, you are required to complete the following task, very simple :)

Input Format

The input file contains a single integer $N$ ($1 \le N \le 10$)

Output Format

The output consists of $N$ lines, each containing $N$ integers, separated by a single space. The integers are from 1 to $N^2$ in an order specified below.