TJ

include <bits/stdc++.h>
using namespace std;
int n;
int a[1001][1001];
int main()
{
	cin>>n;
	int x=1,y=(n/2)+1;
	for(int i=1;i<=n*n;i++)
	{
		a[x][y] = i;
		if(x==1 and y!=n) x = n,y++;
		else if(y==n and x!=1) y=1,x--;
		else if(x==1 and y==n) x++;
		else if(x!=1 and y!=n and a[x-1][y+1]==0) x--,y++;
		else x++;
	}
	for(int i=1;i<=n;i++)
	{
		for(int j=1;j<=n;j++)
		{
			cout<<a[i][j]<<" ";
		}
		cout<<endl;
	}
    return 0;
}