#include<bits/stdc++.h>
using namespace std;
int main()
{
	int i,n,t,s=1;
	cin>>n;
	for(i=0;i<n;i++){
		for(t=0;t<n;t++){
			cout<<setw(3)<<s;
			s++;
		}
		cout<<endl;
	}
	return 0;
}

/**************************************************************
	Problem: 1184
	User: zzz
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2072 kb
****************************************************************/