N, M = map(int, input().split())
A = [list(map(int, input().split())) for _ in range(M)]
MOD = 10**9+7
K = 2*N+1

inv = [1]*K
fac = [1]*K
ifc = [1]*K
for i in range(2, K):
    inv[i] = MOD-(inv[MOD % i]*(MOD//i) % MOD)
    fac[i] = fac[i-1]*i % MOD
    ifc[i] = ifc[i-1]*inv[i] % MOD


def comb(n, m):
    if not 0 <= m <= n:
        return 0
    return fac[n]*ifc[m] % MOD*ifc[n-m] % MOD


ans = comb(2*N, N)*2*N % MOD
for t, x, y in A:
    v = comb(x+y, x)
    if t == 1:
        x += 1
    else:
        y += 1
    v *= comb(2*N-x-y, N-x)
    v %= MOD
    ans -= v
    ans %= MOD

print(ans)