For the county constituencies of Blaenau Gwent, Monmouth, Newport East, Newport West and Torfaen as constituted by the Schedule to the 1983 Order (and described by reference to the local government areas referred to in that Order), there shall be substituted the constituencies which are named on the left-hand side of Part II of the Schedule to this Order and comprise the areas set out on the right-hand side, which areas are local government areas as they existed on 8th May 1987 (and accordingly as altered by the Newport (Communities) Order 1983 , the Borough of Newport (Electoral Arrangements) Order 1983 , the Rhymney Valley (Communities) Order 1984) , the Blaenau Gwent (Communities) Order 1984 , the Torfaen (Communities) Order 1985 , the Brecknock (Communities) Order 1985 , the Borough of Blaenau Gwent (Electoral Arrangements) Order 1986 , the District of Monmouth (Electoral Arrangements) Order 1986 and the Borough of Torfaen (Electoral Arrangements) Order 1986 ).