#include <stdio.h>
int main()
{
int n, i, j, c, a[9][9] ;
    scanf("%d", &n) ;
if (n % 2 == 0)
{
goto end ;
}
j = (n + 1) / 2 ;
i = 1 ;
for(c = 1 ; c <= n * n ; c++)
{
a[i][j] = c ;
if(c % n == 0)
{
i = (i + 1);
goto loop ;
}
    if(i == 1)
        i = n ;
    else
        i = i - 1 ;
    if(j == n)
        j = 1;
    else
        j = j + 1 ;
    loop : ;
}
for (i = 1 ; i <= n ; i++)
    {
        for (j = 1 ; j <= n ; j++)
            printf("%d ", a[i][j]) ;
            printf("\n") ;
    }
end : ;
    return 0;
}