#include <iostream>
using namespace std;
 
int main() {
	int n;
	cin>>n;
 
 
	for(int i=1; i<+n; i++){
	for(int a =n;a>i;a--){
		cout <<" ";
	}
	for(int e=1; e < n; e++){
		cout<<e;
		for(int m =0;m<e;m++){
			cout <<" ";
 
 
		}
		cout << endl;
		cout << e;
 
 
	}
 
	cout<<endl;
//	
 
 
	}
	return 0;
}
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