49ers mock draft contest

What is the best the 49ers can do in the upcoming draft if the following two things happen?

1. All of the top-12 wide receivers — Sammy Watkins, Mike Evans, Kelvin Benjamin, Allen Robinson, Marqise Lee, Odell Beckham, Brandin Cooks, Davante Adams, Jordan Matthews, Jarvis Landry, Paul Richardson and Jared Abbrederis — get picked in the first two rounds.

2. No team wants to trade back with the 49ers in the first round.