Video game main menu tab navigation mapping for PC

The tab navigation menu is very common for console video games. It is usually mapped on LB/RB buttons (Xbox). Tab navigation in Fortnite

I wonder what would be the most intuitive mapping for PC keyboard?

In Windows, this behaviour is mapped on Ctrl+Tab (forward) and Ctrl+Shift+Tab (backwards), but for the game that's too many keys. I am looking for a single key alternative.

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