#include<bits/stdc++.h>
using namespace std;
int main(){
	int a[10][10],n,i,j,s=0,z;
	cin>>n;
	for(i=n-1;i>=0;i--){
		for(j=0;j<n;j++){
			s++;
			a[i][j]={s};
		}
	}
	for(i=0;i<n;i++){
		for(j=0;j<n;j++){
			cout<<setw(3)<<a[i][j];
	    }
	    cout<<endl;
	}
	return 0;
}
/**************************************************************
	Problem: 1185
	User: zhenghaoxuan
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/