Which of the following statements about Harappan Civilisation is true?
1. Harappan culture was famous for its distinguished system of town planning.
2. The most important public place in Mohenjodaro seems to be Great Bath.
3. Granary was the largest building of Mohenjodaro.
4. The use of baked bricks in Harappan cities is remarkable.
Select the correct answer using the codes given below.