Consider the following statements:
- Narasimha Saluva ended the Sangama dynasty and seized the throne for himself and started the Saluva dynasty.
- Vira Narasimha deposed the last Saluva ruler and seized the throne for himself.
- Vira Narasimha was succeeded by his younger brother, Krishnadeva Raya.
- Krishnadeva Raya was succeeded by his half-brother, Achyuta Raya.
Which of the statements given above is/are correct?