include

include

using namespace std;

int main() {

int n;
cin >> n;
int a[n + 1][n + 1];
int x = (n + 1) / 2;
for(int k = 1;k <= x;k++)
{
	for(int i = x + 1 - k;i <= n - x + k;i++)
	{
		int t = x - k + 1;
		a[n - x + k][i] = t;
		a[i][n - x + k] = t;
		a[x + 1 - k][i] = t;
		a[i][x + 1 - k] = t;
	}
}
for(int i = 1;i <= n;i++)
{
	for(int j = 1;j <= n;j++)
	{
		cout << setw(5) << a[i][j];
	}
	cout << endl;
}

}