Write an article that answers the following question: How many points did the Seahawks win by?
After blowing four 4th quarter leads and only winning against two teams with losing records, the Seahawks traveled to Santa Clara to take on the 49ers. The Seahawks easily defeated their former arch-rivals, 20-3. Seahawks RB Marshawn Lynch compiled 122 rushing yards and 1 rushing TD on 27 carries. 49ers QB Colin Kaepernick struggled once again against the vaunted Legion of Boom, going 13-24 with 124 passing yards, 0 passing touchdowns, and 0 interceptions. Seahawks QB Russell Wilson was efficient again, completing 18 passes out of 24 attempts for 235 passing yards with 1 passing touchdown and 2 interceptions. With the win, the Seahawks improved to 3-4. Additionally, Wilson improved to 6-2 against the 49ers (including postseason), extending his winning streak against them to four games.