#include<bits/stdc++.h>
using  namespace std;
int main()
{
	int n,m=1,a[20][20];
	cin>>n;
	for(int i=1;i<=n;i++)
	{
		for(int j=1;j<=n;j++)
		{
			a[i][j]=m++;
		}
	 } 
	 	for(int i=1;i<=n;i++)
	{
		for(int j=1;j<=n;j++)
		{
			cout<<setw(3)<<a[i][j];
		}
		cout<<endl;
	 }
	return 0;
}
/**************************************************************
	Problem: 1184
	User: chenzhuo1
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2072 kb
****************************************************************/