#include using namespace std; #define rep(i, n) for (int i = 0; i < (n); i++) #define rep1(i, n) for (int i = 1; i <= (n); i++) #define rrep(i, n) for (int i = n - 1; i >= 0; i--) #define rrep1(i, n) for (int i = n; i >= 1; i--) #define all(x) x.begin(), x.end() #define rall(x) x.rbegin(), x.rend() #define eb emplace_back #define fi first #define se second #define sz(x) (int)(x).size() template using V = vector; template using VV = V>; typedef long long int ll; void speedUpIO() { cin.tie(nullptr); ios::sync_with_stdio(false); } template bool chmax(T &a, const T &b) { if (a < b) { a = b; return true; } return false; } template bool chmin(T &a, const T &b) { if (b < a) { a = b; return true; } return false; } /*--------------------------------------------------*/ typedef pair P; const int INF = 1e9; const ll LINF = 1e18; const int MAX = 100010; bool solve() { int n; cin >> n; V a(n); rep(i, n) cin >> a[i]; int i = -1; rep(j, n) { if (a[j] == 2) i = j; } if (i == -1) return false; V b(n, -1); while (b[i] == -1) { int l = (i - 1 + n) % n; if (a[i] == 2) { if (b[l] == '<') return false; b[i] = '<'; } else if (a[i] == 0) { if (b[l] == '>') return false; b[i] = '>'; } else { assert(b[l] != -1); b[i] = b[l]; } i = (i + 1) % n; } int l = (i - 1 + n) % n; if (b[l] != '>') return false; return true; } int main() { speedUpIO(); int t = 1; cin >> t; while (t--) { // solve(); // cout << solve() << "\n"; cout << (solve() ? "Yes" : "No") << "\n"; // cout << fixed << setprecision(15) << solve() << "\n"; } return 0; }