fn main() {
	let mut s = String::new();
	std::io::stdin().read_line(&mut s).ok();
	let n: u8 = s.trim().parse().unwrap();
	for i in 0..n {
		println!(
			"{}",
			(0..n)
				.map(|j| ((i + j) % n + 1).to_string())
				.collect::<Vec<_>>()
				.join(" ")
		)
	}
}