fn main() {
	let mut n = String::new();
	std::io::stdin().read_line(&mut n).ok();
	let n: u16 = n.trim().parse().unwrap();
	
	for i in 0..n {
		let mut temp = "".to_string();
		for  j in 0..n {
			let x = (i + j) % n + 1;
			temp += &x.to_string();
			temp += " ";
		}
		println!("{}", temp);
	}
}