Consider the following statements:

1. 1.The National Judicial Appointments Commission (NJAC) Act was declared unconstitutional by the Supreme Court as it violated the basic structure of the Constitution.
2. 2.The Supreme Court upheld the primacy of the collegium system following the NJAC judgement.
3. 3.The collegium was expanded to a five- member body of the Supreme Court in the Third Judges case.

How many of the above given statements are correct?