Got slight error!
Here's the updated one.
1A/5P - 9031C, approx old 373A timings
2A/6P - 9049C, approx old 9024Z timings
3A/7P - 9064H, 9049C timings (AM peak), approx 9031C timings from
1pm+
4A/8P - 9065E, approx old 9056G timings
9088P takes over 9031C in AM peak. 9088P's last AM peak S shift
departs BNL at 1200. He returns to depot by 1244, gets a 3 hour
SWING before taking his bus out again at 1556!
9111E still takes over the PM peak of 9049C.
373A is now placed on 18S. It has the shortest actual run time of
all 179 duties. 
The other 3 buses are on E shift.
23E - 9291T, approx old 9162H timings
24E - 9334D, approx old 9176T timings
25E - 9140X, approx old 9111E timings