Not really G.O's they just aren't period except the (F) To Av X and via Crosstown.
A good one would had been (B) via Concourse Exp or Central Pk W Exp.
(3) via 7th Av Local
(N) via 4th Av Local approaching 4th Av-9th St
That R-46 is actually a (C)harlie train.That day it was I think 104 degrees and there was a 12-9 at 14th b\c a guy went to get his cellphone so it screwed up (A) service.(C) train enroute to Far Rock
(4) approaching 51st St.
(R) via 6th Av
Slipped this in here since it's not a G.O it maybe now since the Brighton Express is back or soon to be.