#include <bits/stdc++.h>

using i64 = long long;
using u64 = unsigned long long;
using u32 = unsigned;

using u128 = unsigned __int128;
using i128 = __int128;

int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);

    int Q;
    std::cin >> Q;
    while (Q--) {
        int N;
        std::cin >> N;
        std::vector<int> A(5 * N);
        for (int i = 0; i < 5 * N; i++) {
            std::cin >> A[i];
        }

        bool f = true;
        for (int i = 0; i < N; i++) {
            if ((A[5 * i] == A[5 * i + 2] && (A[5 * i + 1] == A[5 * i + 3] && A[5 * i + 3] == A[5 * i + 4]) && A[5 * i] != A[5 * i + 1])) {
                continue;
            } else {
                f = false;
                break;
            }
        }
        std::cout << (f ? "Yes\n" : "No\n");
    }

    return 0;
}