#include <bits/stdc++.h>

using namespace std;

int n, l = 1;
int mtr[11][11];
int dx[] = {0, 1, 0, -1};
int dy[] = {1, 0, -1, 0};

void print() {
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) {
            cout << mtr[i][j] << " ";
        }
        cout << endl;
    }
    exit(0);
}

void spiral(int px, int py, int zn, int np, int v) {
    if (zn == n * n + 1) {
        print();
    }
    if (zn == v) {
        v += n - l;
        l += np % 2;
        np = (np + 1) % 4;
    }
//    cout << "px = " << px << " py = " << py << " v = " << v << " np = " << np << "\n";
    mtr[px][py] = zn;
    spiral(px + dx[np], py + dy[np], zn + 1, np, v);

}

int main() {
    cin >> n;
    spiral(1, 1, 1, 0, n);
}