Trying to snap a two-game skid, the 49ers stayed at home for a Saturday night interconference battle with the Cincinnati Bengals.  With QB Trent Dilfer out with an injury, back-up Shaun Hill would be making his first career start. After a scoreless first quarter, the Niners drew first blood in the second quarter as Hill got a 3-yard TD run.  However, the Bengals would take the lead as kicker Shayne Graham managed to get a 24-yard field goal, while QB Carson Palmer completed a 52-yard TD pass to WR Chris Henry.  The Niners would end the half as Hill completed a 17-yard TD pass to TE Vernon Davis. In the third quarter, San Francisco increased their lead with kicker Joe Nedney managing to get a 29-yard and a 38-yard  field goal.  In the fourth quarter, Cincinnati tried to mount a comeback as Graham kicked a 35-yard field goal.  Fortunately, the Niners' defense held on for the impressive victory. With the win, the 49ers improved to 4-10.  With the Rams' loss to the Packers, the Niners now sit in 3rd place in the NFC West.. How many yards long was the average field goal in the third and fourth quarters?