#include<iostream>
using namespace std;
int main()
{
int n;
cin>>n;
if(n==1)
cout<<"NO"<<endl;
if(n==2)
{
cout<<"1 2"<<endl;
cout<<"4 3"<<endl;
}
if(n==3)
{
cout<<"NO"<<endl;
}
if(n==4)
{
cout<<"1 2 11 12"<<endl;
cout<<"4 9 8 5"<<endl;
cout<<"7 10 3 14"<<endl;
cout<<"6 13 16 15"<<endl;
}
if(n==5)
{
cout<<"1 2 3 4 7" <<endl;
cout<<"6 5 14 15 16" <<endl;
cout<<"13 24 23 8 21" <<endl;
cout<<"10 19 18 11 20" <<endl;
cout<<"9 22 25 12 17" <<endl;
}
}
奇奇怪怪的CE,是专门为我这种萌新蒟蒻的额外检测吗?