#include<bits/stdc++.h>
using namespace std;
int main()
{
int n,i,j,h;
cin>>n;
for(i=1;i<=n;i++){
    for(h=n-i;h>=1;h--){
    cout<<" ";
    }
    for(j=1;j<=i*2-1;j++){
        cout<<j;
    }
    cout<<endl;
}
return 0;
}
/**************************************************************
	Problem: 1072
	User: hongjiaming
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/