Gotcha. For AFC it's "even" as of "odd" regular seasons (like KC was last year in the 2019 season, its SB was in early 2020). While for NFC, it's "odd" as of "even" regular seasons (like the LA Rams were in the 2018 season, its SB was in early 2019). But should there be a rule to determine endzones by relying on the designating home team format?