#include<bits/stdc++.h>
using namespace std;
int main(){
	int a[105][105],n,i,j,x=1;
	cin>>n;
	for(i=0;i<n;i++){
		for(j=0;j<n;j++){
			a[i][j]=x;
			x++;
		}
	}
	for(i=0;i<n;i++){
		for(j=0;j<n;j++){
			cout<<setw(3)<<a[i][j];
		}
		cout<<endl;
	}
} 
/**************************************************************
	Problem: 1184
	User: linzihang
	Language: C++
	Result: Accepted
	Time:11 ms
	Memory:2072 kb
****************************************************************/