N,M = map(int,input().split())
mod = 10**9 + 7
kaijou = [1]
kaijou_ = [1]
for i in range(1,2*N+1):
  k = kaijou[-1] * i
  k %= mod
  kaijou.append(k)
  k = pow(k,-1,mod)
  kaijou_.append(k)

def comb(n,r):
  res = kaijou_[n-r] * kaijou_[r]
  res %= mod
  res *= kaijou[n]
  res %= mod
  return res

ans = comb(2*N,N) * (2*N)
ans %= mod

for _ in range(M):
  t,x,y = map(int,input().split())
  xx,yy = N - x,N - y
  if t == 1:
    xx -= 1
  else:
    yy -= 1
  res = comb(x+y,x) * comb(xx+yy,xx)
  res %= mod
  ans -= res
  ans %= mod
print(ans)