#![allow(non_snake_case, unused_imports, unused_must_use)]
use std::io::{self, prelude::*};
use std::str;

fn main() {
    let (stdin, stdout) = (io::stdin(), io::stdout());
    let mut scan = Scanner::new(stdin.lock());
    let mut out = io::BufWriter::new(stdout.lock());

    macro_rules! input {
        ($T: ty) => {
            scan.token::<$T>()
        };
        ($T: ty, $N: expr) => {
            (0..$N).map(|_| scan.token::<$T>()).collect::<Vec<_>>()
        };
    }

    for _ in 0..input!(usize) {
        let N = input!(usize);
        let A = input!(usize, N);

        let s = A.iter().sum::<usize>();

        if s != N {
            writeln!(out, "No");
            continue;
        }

        let B = {
            let mut b = vec![];

            for a in A {
                if a != 1 {
                    b.push(a);
                }
            }

            b
        };

        if B.is_empty() {
            writeln!(out, "No");
            continue;
        }

        let mut isok = true;
        let L = B.len();

        for i in 0..L {
            let lhs = {
                if i == 0 {
                    B[L - 1]
                } else {
                    B[i - 1]
                }
            };

            let rhs = {
                if i == L - 1 {
                    B[0]
                } else {
                    B[i + 1]
                }
            };

            if B[i] == 0 {
                if !(lhs > B[i] && rhs > B[i]) {
                    isok = false;
                }
            } else {
                if !(lhs < B[i] && rhs < B[i]) {
                    isok = false;
                }
            }
        }

        if isok {
            writeln!(out, "Yes");
        } else {
            writeln!(out, "No");
        }
    }
}

struct Scanner<R> {
    reader: R,
    buf_str: Vec<u8>,
    buf_iter: str::SplitWhitespace<'static>,
}
impl<R: BufRead> Scanner<R> {
    fn new(reader: R) -> Self {
        Self {
            reader,
            buf_str: vec![],
            buf_iter: "".split_whitespace(),
        }
    }
    fn token<T: str::FromStr>(&mut self) -> T {
        loop {
            if let Some(token) = self.buf_iter.next() {
                return token.parse().ok().expect("Failed parse");
            }
            self.buf_str.clear();
            self.reader
                .read_until(b'\n', &mut self.buf_str)
                .expect("Failed read");
            self.buf_iter = unsafe {
                let slice = str::from_utf8_unchecked(&self.buf_str);
                std::mem::transmute(slice.split_whitespace())
            }
        }
    }
}