Cover on the right doesn't block the shot, cover on the left does. I'd assume the left one is wrong ...
Big high res versions here:
http://cloud-3.steampowered.com/ugc/598165829693822675/7362E7CD79DEEDCE0B2FEA565CCBC4A7D2C3663E/
http://cloud-3.steampowered.com/ugc/598165829693824241/1F5A37FB078820E043DF07B1EFBE28A9BB730F16/