def cmb(n, r, mod):
    if ( r<0 or r>n ):
        return 0
    r = min(r, n-r)
    return g1[n] * g2[r] * g2[n-r] % mod

mod = 10**9+7 #出力の制限
N = 5 * 10**5
g1 = [1, 1] # 元テーブル
g2 = [1, 1] #逆元テーブル
inverse = [0, 1] #逆元テーブル計算用テーブル

for i in range( 2, N + 1 ):
    g1.append( ( g1[-1] * i ) % mod )
    inverse.append( ( -inverse[mod % i] * (mod//i) ) % mod )
    g2.append( (g2[-1] * inverse[-1]) % mod )

N, M = map(int, input().split())

total = cmb(2*N, N, mod) * 2 * N
for _ in range(M):
    t, x, y = map(int, input().split())
    road = 2 * N - (x + y + 1)
    if t == 1:
        value1 = cmb(x+y, x, mod)
        value2 = cmb(road, N-y, mod)

    else:
        value1 = cmb(x+y, x, mod)
        value2 = cmb(road, N-x, mod)
    total -= value1 * value2
    total %= mod
print(total % mod)