179 cameos (evening):
New timetable for 179 & 242 so exact timeslots unknown
179: 9048E (SL 30), 3905X cameo (on 199)
179: 9290X (Depot transfer)
179: 9303T (SL SP), entered svc late at 17.10+
179: 9066C (SL 143), entered svc very late at 18.24
179: 9102G (SL 98 ), entered svc very late at 18.42
242: 9100L (Depot transfer), entered svc very late at 18.33
242: 9062M, entered svc very late (1st round - 18.10)
There were originally 7 empty timeslots, but 5 buses came into svc
later, leaving just 2 empty timeslots, on on 179 and the other on
242.
Only 13 out of 21 buses were on svc179 today... 
9064H, 9111E, 9128H, 9131Y, 9140X, 9162H dunno go where today.
3905X was on 199 & 9031C on 174.