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