#include <bits/stdc++.h>
#define rep(i,n) for(ll i=0;i<(n);++i)
#define all(a) (a).begin(),(a).end()
using namespace std;
using Graph = vector<vector<int>>;
typedef pair<int,int> P;
typedef long long ll;


int main(){
    ll n; cin >> n;

    rep(h,n){
        rep(w,n){
            ll res = (2*h + 1) % n - w;
            if(res <= 0) res += n;

            cout << res << " ";
        }
        cout << endl;
    }
}