#include #include using namespace std; using ll = long long; #define int ll #define rng(i, a, b) for (int i = int(a); i < int(b); i++) #define rep(i, b) rng(i, 0, b) #define ALL(a) (a).begin(), (a).end() template void chmax(t& a, u b) { if (a < b) a = b; } template void chmin(t& a, u b) { if (b < a) a = b; } template using vc = vector; template using vvc = vc>; using pi = pair; using vi = vc; using uint = unsigned; using ull = unsigned long long; int popcount(signed t) { return __builtin_popcount(t); } int popcount(ll t) { return __builtin_popcountll(t); } bool ispow2(int i) { return i && (i & -i) == i; } ll mask(int i) { return (ll(1) << i) - 1; } int lcm(int a, int b) { return a / __gcd(a, b) * b; } using mint = atcoder::modint1000000007; vc fact(1LL << 20), factinv(1LL << 20); mint ncr(int n, int r) { return (fact[n] * factinv[r]) * factinv[n - r]; } signed main() { cin.tie(0); ios::sync_with_stdio(0); cout << fixed << setprecision(20); int n, m; cin >> n >> m; vc t(m), x(m), y(m); rep(i, m) cin >> t[i] >> x[i] >> y[i]; fact[0] = 1; for (int i = 1; i <= 200200; i++) fact[i] = fact[i - 1] * i; for (int i = 0; i <= 200200; i++) factinv[i] = fact[i].inv(); mint ans = ncr(n + n, n); ans *= mint(2 * n); for (int i = 0; i < m; i++) { if (t[i] == 1) { // Type1 mint p1 = ncr(x[i] + y[i], y[i]); mint p2 = ncr((n - (x[i] + 1) + n - y[i]), n - y[i]); ans -= p1 * p2; } else { // Type2 mint p1 = ncr(x[i] + y[i], y[i]); mint p2 = ncr(n - x[i] + n - (y[i] + 1), n - (y[i] + 1)); ans -= p1 * p2; } } cout << ans.val() << endl; }