#include<bits/stdc++.h>
using namespace std;
int main(){
    int n,j=0,b=1,c=1,d;
    cin>>n;
    for(b=1;b<=n;b++){
        d=n-b;
        j=j+1;
        for(c=1;c<=d;c++){
            cout<<" ";
        }
        for(c=1;c<=(b*2-1);c++){
            cout<<j;
        }
        cout<<endl;
    }
} 
/**************************************************************
	Problem: 1008
	User: zhengzihao
	Language: C++
	Result: Accepted
	Time:4 ms
	Memory:2072 kb
****************************************************************/