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 ans = false;
        let mut ok = true;
        for i in 0..n * 2 {
            ok &= a[i] == i % n + 1;
        }
        ans |= ok;

        for i in 0..n {
            let mut ko = true;
            let mut b = Vec::new();
            for j in 0..i {
                b.push(j % n + 1);
            }
            for j in (i..i + n + 1).rev() {
                b.push(j % n + 1);
            }
            for j in i + n + 1..n * 2 {
                b.push(j % n + 1);
            }
            for j in 0..n * 2 {
                ko &= b[j] == a[j];
            }
            ans |= ko;
        }
        if ans {
            println!("Yes");
        } else {
            println!("No");
        }
    }
}