fn solve() {
    let mut n = String::new();
    std::io::stdin().read_line(&mut n).ok();
    let n: usize = n.trim().parse().unwrap();
    let mut a = String::new();
    std::io::stdin().read_line(&mut a).ok();
    let a: Vec<usize> = a.trim().split_whitespace().map(|s| s.parse().unwrap()).collect();
    let x = (0..2*n).map(|j| j%n+1).collect::<Vec<_>>();
    if a == x {
        println!("Yes");
        return;
    }
    for i in 0..n {
        let mut x = (0..2*n).map(|j| j%n+1).collect::<Vec<_>>();
        x[i..=n+i].reverse();
        if x == a {
            println!("Yes");
            return;
        }
    }
    println!("No");
}

fn main() {
    let mut t = String::new();
    std::io::stdin().read_line(&mut t).ok();
    let t: usize = t.trim().parse().unwrap();
    for _ in 0..t {
        solve();
    }
}