#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,a[15][15]={0},i,j;
	cin>>n;
	for(i=n-1;i>=0;i--){
		for(j=0;j<=i;j++){
			a[i][j]=n-i;
		}
		for(j=0;j<=i;j++){
			a[j][i]=n-i;
		}
	}
	for(i=0;i<n;i++){
		for(j=0;j<n;j++){
			cout<<setw(3)<<a[i][j];
		}
		cout<<endl;
	}
	return 0;
}
/**************************************************************
	Problem: 1197
	User: linyuhang
	Language: C++
	Result: Accepted
	Time:14 ms
	Memory:2072 kb
****************************************************************/