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

/**************************************************************
	Problem: 1184
	User: fzy001
	Language: C++
	Result: Accepted
	Time:11 ms
	Memory:2072 kb
****************************************************************/