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

    let mut not_used: Vec<Vec<bool>> = vec![vec![true; n]; n];
    for i in 1..n {
        let a: Vec<_> = (1..=n).map(|j| {
                let ret = if j == i {
                        i
                    } else if (n+j-i) % n == i {
                        n
                    } else {
                        (n+j-i) % n
                    }
                ;
                not_used[j-1][ret-1] = false;
                return ret;
            })
            .map(|j| j.to_string())
            .collect();
        println!("{}", a.join(" "));
    }
    println!(
        "{}",
        not_used.iter().map(|row|
            row.iter().enumerate().find(|pair| *pair.1).unwrap().0 + 1usize
        )
        .map(|i| i.to_string())
        .collect::<Vec<String>>()
        .join(" ")
    );
}