fn main() {
    let mut n = String::new();
    std::io::stdin().read_line(&mut n).ok();
    let n: usize = n.trim().parse().unwrap();

    let mut ans = vec![vec![1; n]; n];

    for i in 0..n {
        for j in 0..n {
            ans[i][j] = (2 * i - j + n) % n + 1;
        }
    }

	let s =
        ans.iter()
        .map(|x| x.iter().map(|y| y.to_string()).collect::<Vec<String>>().join(" "))
        .collect::<Vec<String>>().join("\n");
	println!("{}", s);
}