fn solve() -> String {
    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 target = (0..2*n).map(|i| i % n + 1).collect::<Vec<_>>();
    if a == target {
        return "Yes".to_string();
    }
    for i in 0..n {
        let mut x = target.clone().to_owned();
        x[i..=i+n].reverse();
        if x == a {
            return "Yes".to_string();
        }
    }
    "No".to_string()
}

fn main() {
    let mut t = String::new();
    std::io::stdin().read_line(&mut t).ok();
    let t: usize = t.trim().parse().unwrap();
    let mut result = Vec::with_capacity(t);
    for _ in 0..t {
        result.push(solve());
    }
    for v in result.iter() {
        println!("{}", v);
    }
}