This question adds a new rule. Now Quinn is immediately before Rovero. That means we have two blocks of two variables: QR and VW.
Here’s where visualization skills come in handy. If you draw the main diagram, and stare at it, you may be able to visualize drawing VW and QR on the diagram:
What I see when I do that is that the two variable blocks always cover the middle numbers. Like this:
I’ve drawn the blocks as X’s to make it less specific. Those blocks can slide one space left or right. But they’re always covering 2 and 6.
This question asks where Stanton can’t go. Stanton isn’t part of the two blocks above. Therefore, Stanton can’t go in 2 or 6. B is CORRECT.
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