around 41592d, it appears.
Edit: I rescind that information as it is lies.
Wobluh Edit: Despite olly's many goodnesses, it has a sucky find function. Due to never remembering to keep track of what I do, all I have is the swimming executable, so poop.
The way I normally find obvious offsets is just to open up the assembly dump in notepad, and then search for the obviousness, in this case cmp [49e650],mask.
sowwy.