I've been told by a friend who contacted NBOME that B09C is not a particular form, rather it is just a code for Step 2.
This seems to make some sense, as the previous poster just took Step 1 and his "form" was A09C. I looked at mine from last year and saw that it was A08C. It seems that the "form" code goes something like this:
B09C
| | |
| | +--- arbitrary bull**** letter to make "form" code look more genuine
| +--- year in which test was taken
+-- A = step 1, B = step 2, C = step 3
So rather than B09C being a unique selection of questions, it is just an identifier for "step 2". In fact, the selection of stupid questions seems to vary widely. Yesterday, I had some of the stupid questions I was warned about but not nearly as many as others who have recently taken it. I think it was just luck of the draw. I'm sure when my score comes up it will also say "B09C".
Just thought I'd mention..