import sys
input = sys.stdin.readline
N,M = map(int,input().split())
TXY = [tuple(map(int,input().split())) for i in range(M)]
MOD = 10**9+7

MAXN = N+N+5
fac = [1,1] + [0]*MAXN
finv = [1,1] + [0]*MAXN
inv = [0,1] + [0]*MAXN
for i in range(2,MAXN+2):
    fac[i] = fac[i-1] * i % MOD
    inv[i] = -inv[MOD%i] * (MOD // i) % MOD
    finv[i] = finv[i-1] * inv[i] % MOD

def comb(n,r):
    if n < r: return 0
    if n < 0 or r < 0: return 0
    return fac[n] * (finv[r] * finv[n-r] % MOD) % MOD

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

for t,x1,y1 in TXY:
    if t==1:
        x2,y2 = x1+1,y1
    else:
        x2,y2 = x1,y1+1
    c = comb(x1+y1, x1) * comb(N-x2+N-y2, N-x2)
    c %= MOD
    ans -= c
    ans %= MOD
print(ans)