#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: lidongbo
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2072 kb
****************************************************************/