#include<bits/stdc++.h>
using namespace std;
int main(){
    int i,j,a[10][10]={0},n,c=1;
    cin>>n;
    for(i=0;i<n;i++){
        for(j=1;j<=n-i;j++){
            a[i+j][j]=c;
            a[j][i+j]=c;
            c++;
        }
    } 
    for(i=1;i<=n;i++){
        for(j=1;j<=n;j++){
            cout<<setw(5)<<a[i][j];
        }
        cout<<endl;
    }
}
/**************************************************************
	Problem: 1404
	User: yangjunwen
	Language: C++
	Result: Accepted
	Time:15 ms
	Memory:2072 kb
****************************************************************/