MOD = 10 ** 9 + 7
N = 500000
fact = [0 for _ in range(N)]
invfact = [0 for _ in range(N)]
fact[0] = 1
for i in range(1, N):
    fact[i] = fact[i - 1] * i % MOD

invfact[N - 1] = pow(fact[N - 1], MOD - 2, MOD)

for i in range(N - 2, -1, -1):
    invfact[i] = invfact[i + 1] * (i + 1) % MOD

def nCk(n, k):
    if k < 0 or n < k:
        return 0
    else:
        return (fact[n] * invfact[k] % MOD) * invfact[n - k] % MOD

def nHk(n, k):
    return nCk(n + k - 1, k)
    
n, m = map(int, input().split())
ans = nCk(2 * n, n) * 2 * n % MOD
for _ in range(m):
    t, x, y = map(int, input().split())
    if t == 1:
        ans -= nCk(x + y, x) * nCk(2 * n - (x + y + 1), n - y)
    else:
        ans -= nCk(x + y, x) * nCk(2 * n - (x + y + 1), n - x)
    ans %= MOD
print(ans)