#include <bits/stdc++.h>
using namespace std;

void solve() {
	int n; cin >> n;
	vector<int> a(n);
	for (int i = 0; i < n; i ++) cin >> a[i];
	vector<int> b;
	for (int i = 0, j; i < n; i = j + 1) {
		b.push_back(a[i]);
		j = i;
		if (a[i] == 1) continue;
		while (j + 1 < n && a[j + 1] == a[i]) ++ j;
	}
	int cnt = 0;
	for (int x : b) if (x) ++ cnt;
	if (cnt >= b.size() - cnt) cout << "Yes\n";
	else cout << "No\n";
}

int main() {
	ios::sync_with_stdio(false), cin.tie(0), cout.tie(0);
	int tt; cin >> tt;
	while (tt --) solve();
	return 0;
}