class CP:
    def __init__(self, N):
        self.fact = [1]
        self.fact_inv = [1]
        for i in range(1, N+1):
            self.fact.append((self.fact[-1]*i)%MOD)
            self.fact_inv.append(pow(self.fact[-1], -1, MOD))
    def C(self, N, K):
        if N >= K:
            return self.fact[N]*self.fact_inv[K]%MOD*self.fact_inv[N-K]%MOD
        else:
            return 0
    def P(self, N, K):
        if N >= K:
            return self.fact[N]*self.fact_inv[N-K]%MOD
        else:
            return 0

N, M = map(int, input().split())
free = [list(map(int, input().split())) for _ in range(M)]

MOD = 10**9+7
cp = CP(10**5*4)
ans = cp.C(N*2, N)*(N*2)

for t, x, y in free:
    if t == 1:
        nx, ny = N-x-1, N-y
    else:
        nx, ny = N-x, N-y-1
    ans -= cp.C(x+y, x)*cp.C(nx+ny, nx)%MOD
    ans %= MOD

print(ans)