include

include

include

int main() {

    int n;
    scanf("%d", &n);
    for(int lines = 1 - n; lines < n; lines=lines+1)
    {
        int mvp = abs(lines) + 1;
        for(int i = 1 - n; i < n; i=i+1)
        {
            if((abs(i) + 1) > mvp) printf("%d ", abs(i) + 1);
            else printf("%d ", mvp);
        }
        printf("\n");
    }

return 0;

}