#include<bits/stdc++.h>
using namespace std;
int n,a[20][20],x; 
int main(){
    cin>>n;
    for(int i=1;i<=n;i++){
        x=1;
        for(int j=1;j<=n;j++){
            if(i<=j) a[i][j]=x++; 
        }
    }
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            if(a[i][j]==0) cout<<setw(5)<<" ";
            else cout<<setw(5)<<a[i][j];
        }
        cout<<endl;
    }
    return 0;
}
/**************************************************************
	Problem: 1204
	User: chenlingxuan
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2076 kb
****************************************************************/