Here is a visual of the L17 S2 cell:
And more information the community has observed about the inclusion rules can be found here: Why an accepted Wayspot may not be used in Pokemon Go (S2 cells and Pokemon Go)
Here is a visual of the L17 S2 cell:
And more information the community has observed about the inclusion rules can be found here: Why an accepted Wayspot may not be used in Pokemon Go (S2 cells and Pokemon Go)