Write precompensation mystery

[per]

This may be an oddly specific question, but is there a reason for a floppy disk controller to write-precompensate the clock-bit in the bitstream 00<-0<-10 but not 00<-0<-11 for FM modulation?

That is...

<--- platter velocity <---

 0   0   0   1   0
___-___-___-_-_-___-
           ^ Compensated with a small delay (-> direction), as expected

 0   0   0   1   1
___-___-___-_-_-_-_-
           ^ Not compensated, for some reason??

Just trying to figure out if the designers of a disk controller did an oopsie in the pattern-ROM or not.. If there is a reason why only one of these cases are compensated and not both, then I am eager to learn why.