#include <bits/stdc++.h>
using namespace std;

using ll = long long;
using P = pair<ll, ll>;

const ll MOD = 1e9+7;
// const ll MOD = 998244353;
const ll INF = 1ll<<60;

#define FOR(i,a,b) for (ll i=(a);i<(ll)(b);++i)
#define REP(i,n) FOR(i,0,n)
#define ALL(v) (v).begin(),(v).end()
#define DEBUG(x) ;

int dx[4]{0, 1, 0, -1};
int dy[4]{1, 0, -1, 0};

ll N;

int main(int argc, char **argv)
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);

	cin >> N;
	vector<vector<ll>> res(N, vector<ll>(N, 0));

	REP(i, N) res[i][i] = i;

	REP(i, N)
	{
		ll h = i, w = i;

		for (ll hh = h - 1, ww = w; hh >= 0; --hh)
		{
			ww -= 2;
			(ww += N) %= N;
			res[hh][ww] = i;
		}
		
		for (ll hh = h + 1, ww = w; hh < N; ++hh )
		{
			(ww += 2) %= N;
			DEBUG(hh);
			DEBUG(ww);
			res[hh][ww] = i;
			
		}
	}

	REP(h, N)
	{
		REP(w, N)
		{
			std::cout << res[h][w]+1 << " ";
		}
		std::cout << std::endl;
	}
	exit(0);
	return 0;
}