Answer
The green and red atoms are in the axial conformation and the blue atom is in the equatorial conformation. When the ring is flipped, it is vice versa.
Work Step by Step
The original molecule and its ring flipped are shown:

You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.