#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,i,j,a[15][15]={0};
	cin>>n;
	for(i=0;i<n;i++){
		for(j=i;j<n;j++){
			a[i][j]=i+1;
		}
		for(j=i+1;j<n;j++){
			a[j][i]=i+1;
		}
		
	} 
	for(i=0;i<n;i++){
		for(j=0;j<n;j++){
			cout<<setw(3)<<a[i][j];
		}
		cout<<endl;
	}
	

	return 0;
}

/**************************************************************
	Problem: 1196
	User: 15159808820
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2072 kb
****************************************************************/