District 01-08   City & South-West District 09-10   Orchard / Tanglin / Holland District 11-21   Newton / Bukit Timah / Clementi District 12-14   Balestier / Macpherson / Geylang District 15-16   East Coast District 17-18   Changi / Pasir Ris District 19-20   Serangoon / Thomson District 22-28   West & North