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

/**************************************************************
	Problem: 1195
	User: wngjinming
	Language: C++
	Result: Accepted
	Time:19 ms
	Memory:2072 kb
****************************************************************/