#include <bits/stdc++.h>
using namespace std;
void solve() {
	int N;
	cin >> N;
	std::vector<int> A(N);
	for (auto& a : A) {
		cin >> a;
	}
	bool zr = false, tw = false;
	for (int i = 0; i < N; i ++) {
		zr = zr || (A[i] == 0);
		tw = tw || (A[i] == 2);
	}
	if (!(zr && tw)) {
		puts("No");
		return;
	}
	for (int i = 0; i < N; i ++) {
		A.push_back(A[i]);
	}
	int pre = 0;
	for (auto a : A) {
		if ((a - 1) * pre > 0) {
			puts("No");
			return ;
		}
		if (a - 1) {
			pre = a - 1;
		}
	}
	puts("Yes");
}
int main() {
	int T;
	cin >> T;
	while (T--) {
		solve();
	}
}