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;
        for i in 0..n {
            ok &= a[i] == i + 1;
        }
        if !ok {
            println!("No");
        } else {
            let mut ok2 = false;
            for i in (n + 1..n * 2).rev() {
                let mut b = Vec::new();
                for j in (n..i).rev() {
                    b.push(a[j]);
                }
                for j in i..n * 2 {
                    b.push(a[j]);
                }
                let mut tmp = true;
                for j in 0..n {
                    tmp &= b[j] == j + 1;
                }
                ok2 |= tmp;
            }
            if ok2 {
                println!("Yes");
            } else {
                println!("No");
            }
        }
    }
}