San Francisco 49ers coach Jim Harbaugh provided clarification Thursday regarding the St. Louis Rams' ability to read the 49ers' run-pass intentions before the snap when the teams played last season.2012 49ers Play-Action vs. RamsHarbaugh said the problems were most evident during the teams' Week 10 game at Candlestick Park. That game ended in a tie. The teams played again three weeks later, with the Rams winning that game, 16-13 in overtime.