#include<iostream>
#include<map>
#include<list>
using namespace std;
void fun (int n,int a)
{
for(int i=1;i<=n;i++)
{
if(i!=a)
cout<<i<<endl;
}
}
void print(int n)
{
for(int i =1;i<=n;i++)
fun(n,i);
}
int main()
{
int n;
cin>>n;
print(n);
}
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