The current Cameroon Afcon 2021 is a 33rd edition of the most lucrative tournament in African continent.
Like many of its kind, it follows a familiar format where 24 qualifying nations are split in six groups of four - but how teams that finish third make it through to the knockout stage?
Just like Euro 2021 which were on show last year, the top two teams from each group automatically enters the knockout stages.
Now, the four highest ranked third-place teams will also join them in the last-16 stage.
All is not well for the third-placed teams, the bad news is they'll face a side which has finished top of their respective group.
Once the last-16 stage is reached, the tournament becomes simply a knock out stage until we get to the final stage.
Each tie has extra-time and penalties should they end on stalemate or draw, with a third-"placed playoff for the losing two semi-finalists.
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