#include<bits/stdc++.h>
using namespace std;
int i,n,j;
int main(){
cin>>n;
for(i=1;i<=n;i++){
for(j=n-i;j>=1;j--){
cout<<" ";
}
for(j=1;j<=i*2-1;j++){
cout<<i;
}
cout<<endl;
}
return 0;
}
/**************************************************************
Problem: 1008
User: panjinyan
Language: C++
Result: Accepted
Time:5 ms
Memory:2072 kb
****************************************************************/