fn solve(scanner: &mut Scanner) {
    let n: usize = scanner.next();
    let s: Vec<usize> = scanner
        .next::<String>()
        .chars()
        .map(|c| {
            if c == '0' {
                0
            } else if c == '1' {
                1
            } else {
                2
            }
        })
        .collect();
    let mut ok = false;
    for t0 in 0..=1 {
        for t1 in 0..=1 {
            if s[0] <= 1 && s[0] != t0 {
                continue;
            }
            if s[1] <= 1 && s[1] != t1 {
                continue;
            }
            let mut dp = [[false; 2]; 2];
            dp[t0][t1] = true;
            for i in 2..n {
                let mut p = [[false; 2]; 2];
                std::mem::swap(&mut dp, &mut p);
                if s[i] == 0 || s[i] == 2 {
                    dp[0][0] |= p[1][0];
                    dp[1][0] |= p[0][1];
                    dp[1][0] |= p[1][1];
                }
                if s[i] == 1 || s[i] == 2 {
                    dp[0][1] |= p[0][0];
                    dp[0][1] |= p[1][0];
                    dp[1][1] |= p[0][1];
                }
            }
            if t0 == 0 && t1 == 0 {
                ok |= dp[0][1];
                ok |= dp[1][1];
            }
            if t0 == 0 && t1 == 1 {
                ok |= dp[0][1];
                ok |= dp[1][0];
                ok |= dp[1][1];
            }
            if t0 == 1 && t1 == 0 {
                ok |= dp[0][0];
                ok |= dp[0][1];
                ok |= dp[1][0];
            }
            if t0 == 1 && t1 == 1 {
                ok |= dp[0][0];
                ok |= dp[1][0];
            }
        }
    }
    if ok {
        println!("Yes");
    } else {
        println!("No");
    }
}

fn main() {
    let mut scanner = Scanner::new();
    let t: usize = scanner.next();
    for _ in 0..t {
        solve(&mut scanner);
    }
}

pub struct Scanner {
    buf: Vec<String>,
}

impl Scanner {
    fn new() -> Self {
        Self { buf: vec![] }
    }

    fn next<T: std::str::FromStr>(&mut self) -> T {
        loop {
            if let Some(x) = self.buf.pop() {
                return x.parse().ok().expect("");
            }
            let mut source = String::new();
            std::io::stdin().read_line(&mut source).expect("");
            self.buf = Self::split(source);
        }
    }

    fn split(source: String) -> Vec<String> {
        source
            .split_whitespace()
            .rev()
            .map(String::from)
            .collect::<Vec<_>>()
    }
}