#include <bits/stdc++.h>
using namespace std;
 
#pragma region Macros
#define Faster ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define ll long long
#define ld long double
#define pii pair<int, int>
#define pll pair<long long, long long>
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define pb push_back
#define ff first
#define ss second
#define endl '\n'
#define yes cout << "YES" << endl
#define no cout << "NO" << endl
#define m1 cout << -1 << endl
#pragma endregion
 
#pragma region Math
const ll MOD = 1e9 + 7;
ll gcd(ll a, ll b) { return __gcd(a, b); }
ll lcm(ll a, ll b) { return (a / gcd(a, b)) * b; }
#pragma endregion
 
void solve() {
    int n;  cin>>n;
    vector<int>v(n);
    int cnt1=0, cnt23=0, cnt12=0, cnt3=0;
    int idx=0;
    for(int i=0;i<n;i++){
        if(v[i]==1) cnt1++;
        else cnt23++;
        if(cnt1>=cnt23){
            idx=i;
            break;
        }
    }
    if(idx>n-3)   {
        no;
        return;
    }
    for(int j=idx+1;j<n;j++){
        if(v[j]!=3) cnt12++;
        else cnt3++;
        if(cnt12>=cnt3){
            idx=j;
            break;
        }
    }
    if(idx>n-2){
        no;
        return;
    }
    yes;
}
 
int main() {
    Faster;
    int t = 1;
    cin >> t;
    while (t--) solve();
    return 0;
}

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

MTAKOAoyIDEgMSAzIDMgMSAyIDMKNwoyIDEgMyAzIDMgMiAzCjQKMSAzIDMgMgo2CjIgMiAyIDEgMSAxCjgKMyAyIDEgMiAxIDEgMiAzCjMKMiAxIDIKMwoxIDIgMwo1CjEgMyAzIDEgMQo1CjEgMSAzIDMgMQozCjEgMyAxCg==

10
8
2 1 1 3 3 1 2 3
7
2 1 3 3 3 2 3
4
1 3 3 2
6
2 2 2 1 1 1
8
3 2 1 2 1 1 2 3
3
2 1 2
3
1 2 3
5
1 3 3 1 1
5
1 1 3 3 1
3
1 3 1