Take the next hour - Tiger says, from Liverpool Street:
1647 Braintree - 5 coaches
1655 Southend - 5 coaches
1702 Ipswich - 8 coaches
1715 Southend - 10 coaches
1718 Clacton - 8 coaches (splits Colchester Town)
1733 Southend - 5 coaches
1736 Colchester Town - 10 coaches
1747 Braintree - 5 coaches
1755 Southend - 5 coaches
1802 Ipswich - not shown, but suggestion to travel in front four for Sudbury, so assume 321s
1815 Southend - 10 coaches
1818 Clacton - 8 coaches
1833 Southend - 5 coaches
1836 Colchester Town - 5 coaches
321 departures somewhat sparse on an 'off-peak' timetable.