#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define tezz std::ios::sync_with_stdio(false);std::cout.tie(NULL);std:cin.tie(NULL);

int main() {
    ll n;
    cin>>n;
    ll r=1;
    for(ll i=1;i<=n;i++){
        ll t=r;
        for(ll j=1;j<=n;j++){
            if(r>n) r=1;
            if(i==j){
                cout<<i<<" ";
                continue;
            }
            cout<<r<<" ";
            r++;
            
        }
        cout<<endl;
        r=t+1;
    }
        
}