I finally remembered to see if I could find a graphic to visually explain scheduling to y'all.... check this out:
In 2015:
6 games: MIA, NE*, NYJ all home and away.
4 games: ALL of the AFC South (as we did in 2012, but opposite home teams as in 2012).
4 games: ALL of the NFC East (as we did in 2011, but opposite home teams as in 2011).
2 games: 2nd place of AFC North at home (CIN), AND, 2nd place of AFC West away (KC)... because we finished 2nd place in the AFC East.
It keeps rotating like this for ever and ever and ever and ever.