#include <stdio.h>
int main()
{
    int size;
    if (scanf("%d", &size)!=1 || size<=0 || size %2 ==0)
    {
        printf("Invalid input");
        return 0;
    }
    
    int mid = size/2;
    
    for (int i=0; i< size; i++)
    {
        for (int j=0; j<size; j++)
        {
            if (i==mid || j==mid)
            printf(1);
            else
            printf(" ");
        }
        if (i != size -1)
        printf("\n");
    }
    return 0;
}