AFH,
You're correct.
M 0700-1430 (one of the eight(ish) morning shift ATCOs will be M1 0630-1330)
A 1430-2200 (one of the eight(ish) afternoon ATCOs will be A1 1430-2230)
N 2200-0700
D1 0630-1330 (day off after the afternoons to get the 12hr between shifts)
D2 1000-1900
D3 1330-2030
D4 1530-2300