#include<bits/stdc++.h>
using namespace std;
int main(){
    int a[15][15]={0},i,j,n,h=1;
    cin>>n;
    for(i=0;i<n;i++){
        for(j=0;j<n;j++){
            a[i][j]=h;
            h++;
        }   
    }
    for(i=0;i<n;i++){
        for(j=0;j<n;j++){
            cout<<setw(3)<<a[i][j];
        }
        cout<<endl;
    }
}
/**************************************************************
	Problem: 1184
	User: yangjunwenredianling
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/