```cpp
#include<bits/stdc++.h>
using namespace std;
const int N=1e2+5;
int n;
int a[N][N];
int x,y,ans;
int main()
{
	cin>>n;
	x=y=1;
	while(ans<n*n)
	{
	    while(x<=n)
	    {
		    a[x][y]=++ans;
			x++;
	    }	
	    x=1,y++;
	}
	for(int i=1;i<=n;i++)
	{
		for(int j=1;j<=n;j++)
			cout<<a[i][j]<<" ";
		cout<<endl;
	}
}