they re-seed after each round so the highest seed plays the lowest seed and the 2 middle seeds play each other
in the afc:
if the colts win - they play ne
if denver wins - they play pitt
the winner of sd/nyj will play pitt unless denver beats the colts - and in that case - we see denver would play pitt - and then the sd/nyj winner would play ne
in the nfc:
if gb wins - they will play atlanta
if minny wins - they play philly
the winner of seat/rams will play philly unless the vikings beat the packers - and in that case - we see minny plays philly - and then the seat/rams winner would play atlanta