Complete the following sequence:

-35, -44, -39, -34, -19, 0, 29, ?, ?

I was thinking a ways of proving the goldbach conjeture so I had in my mind the prime numbers, thanks to that it was quite easy to answer the problem. You got the sequence form by the primes: 7, 11, 13, 17 ... and so on multiplied respectibly by the sequence -5, -4, -3 ... this is obteined by adding 1 to the number before. Since the last to numbers are 0*23 and 29*1 we just need 31*2 and 37*3, 63 and 111.