#include<bits/stdc++.h>
using namespace std;
int main(){
    int a[15][15],n,i,j,h=0;
    cin>>n;
    for(i=0;i<n;i++){
    	for(j=0;j<n;j++){
    		h++;
    		a[i][j]=h;
    	}
    }
    for(i=0;i<n;i++){
    	for(j=0;j<n;j++){
    		cout<<setw(3)<<a[i][j];
    	}
    	cout<<endl;
    }
}
/**************************************************************
	Problem: 1184
	User: huanghengyi
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/