ZCT 78 - Brain work

[Duplode]

Alas, I also did Blue, Green, Red (swithcing into Blue) and Black. Either I lost too much speed on entrance and exit of Black or you managed to keep ~170mph while entering Red. The split screen video would be very cool  .

[Krys TOFF]

I tested blue-green-red-black and found that blue-black-red-green faster. But my replay is far from optimized.

[Duplode]

The problem with the damn black sections was they broke so much lap fluency. That's why I had to put it at the end...