#include using std::cin; using std::cout; const char endl = '\n'; const int N = 2e5 + 5; const int mod = 1e9 + 7; int inv[N], fac[N], inv_fac[N]; int C(int n, int m) { return static_cast(fac[n]) * inv_fac[m] % mod * inv_fac[n - m] % mod; } int main() { std::ios::sync_with_stdio(false); cin.tie(nullptr); fac[0] = 1; for (int i = 1; i < N; i++) { fac[i] = static_cast(fac[i - 1]) * i % mod; } inv[0] = inv[1] = 1; for (int i = 2; i < N; i++) { inv[i] = static_cast(mod - (mod / i)) * inv[mod % i] % mod; } inv_fac[0] = inv_fac[1] = 1; for (int i = 2; i < N; i++) { inv_fac[i] = static_cast(inv_fac[i - 1]) * inv[i] % mod; } // ====== int t; cin >> t; while (t--) { int n, m, k, res1 = 0, res2 = 0, res3 = 0, res4 = 0; cin >> n >> m >> k; for (int i = k & 1; i <= std::min(n, k); i += 2) { res1 = (res1 + C(n, i)) % mod; } for (int i = k & 1; i <= std::min(m, k); i += 2) { res2 = (res2 + C(m, i)) % mod; } if (n % 2 == 0 && m % 2 == 0) { for (int i = std::max(n - k, 0); i <= std::min(n, k); i += 2) { res3 = (res3 + C(n, i)) % mod; } for (int i = std::max(m - k, 0); i <= std::min(m, k); i += 2) { res4 = (res4 + C(m, i)) % mod; } } cout << ((static_cast(res1) * res2 % mod - static_cast(res3) * res4 % mod * inv[2] % mod) + mod) % mod << endl; } return 0; }