OK. Using the July 2020 FIFA rankings they will just take the top 6 and put them in the Hex. This is almost guaranteed to include the USA (Mex, CR, JAM are also pretty much locks already). This Hex plays out as normal, with the Top 3 advancing to Qatar. The remaining 29 teams are split into 8 groups (of 4 or 3). They play H&A matches and the group winners advance. Those 8 then play H&A eliminators to reduce to 4, than, 2, than 1. That 1 team then plays the 4th place team from the Hex. It appears it's one game (site unkown) that the winner then gets the last half spot for CONCACAF. That team then has to play NZ/Uruguay/Saudia Arabia or whoever. Sounds great, right?