use std::io::*;

fn main() {
    let mut s: String = String::new();
    std::io::stdin().read_to_string(&mut s).ok();
    let mut itr = s.trim().split_whitespace();
    let t: usize = itr.next().unwrap().parse().unwrap();
    for _ in 0..t {
        let n: usize = itr.next().unwrap().parse().unwrap();
        let a: Vec<usize> = (0..n * 2)
            .map(|_| itr.next().unwrap().parse().unwrap())
            .collect();
        let mut ok = true;
        let mut ok1 = true;
        let mut ok2 = true;
        let mut b = Vec::new();
        let mut c = Vec::new();
        b.push(1);
        for i in (2..=n).rev() {
            b.push(i);
        }
        for i in 1..=n {
            b.push(i);
            c.push(i);
        }
        for i in (1..n).rev() {
            c.push(i);
        }
        c.push(n);
        for i in 0..n * 2 {
            ok &= a[i] == i % n + 1;
            ok1 &= a[i] == b[i];
            ok2 &= a[i] == c[i];
        }
        if ok || ok1 || ok2 {
            println!("Yes");
        } else {
            println!("No");
        }
    }
}