#include<bits/stdc++.h>
using namespace std;
int main(){
    int n;
    cin>>n;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=i-1;j++){
            cout<<" ";
        }
        for(int j=1;j<=2*n-(2*i-1);j++){
            cout<<n+1-i;
        }
        cout<<endl;
    }
 
    return 0;
}
/**************************************************************
	Problem: 1788
	User: chenjiahui
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2072 kb
****************************************************************/