DDRFTG = 1st and 2nd position is the same. CVVBHT = 2nd and 3rd position is the same. DCEERT = 3rd and 4th position is the same. DCFRRT = 4th and 5th position is the same. Therefore, the final position would be that which would be similar to the 5th and 6th positions. The correct answer is SDERWW.