#include<bits/stdc++.h>
using namespace std;
int main(){
	freopen("p1709.in","r",stdin);
	freopen("p1709.out","w",stdout);
	int n,i,j,k=0,a[100][100]={0};
	cin>>n;
	for(i=1;i<=n;i++)
	for(j=1;j<=n;j++){
		k++;
		a[i][j]=k;
	}
	for(i=1;i<=n;i++){
		for(j=1;j<=n;j++)
		cout<<setw(3)<<a[j][i];
		cout<<endl;
	}
	fclose(stdin);
  fclose(stdout);
  return 0;
}
	  
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