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 {
        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 mut a: Vec<usize> = a.trim().split_whitespace().map(|s| s.parse().unwrap()).collect();
        let x = (0..2*n).map(|i| i%n + 1).collect::<Vec<_>>();
        if a == x {
            println!("Yes");
            continue;
        }
        let idx = (0..n).filter(|&i| a[i] == i+1).max().unwrap_or(n);
        if idx == n {
            println!("No");
            continue;
        }
        a[idx..=idx+n].reverse();
        if a == x {
            println!("Yes");
        } else {
            println!("No");
        }
    }
}