TTS 171: Part 1 Clause 9.12.1 states that "In residential buildings receptacle outlets shall be installed in each room, except bathrooms, such that no point, measured horizontally along the floor line of any wall, is more than 1.8 metres (6 ft) from a receptacle outlet."

For a room of length of 14 feet and width 13 feet, with a 3 ft doorway, determine the minimum number of receptacle outlets required?