Which of the following statements about Virashaivism is/are correct?

Which of the following statements about Virashaivism is/are correct?

• 1. The Virashaivism traces its origin to the five great religious teachers-Renuka, Daruka, Ghantakarna, Dhenukarna and Vishvakarna.
• 2. The Virashaiva philosophy is called Shaktivishishtadvaita-the non-duality of God.
• 3. Ashtavarana are the eight rules of the Virashaivism to be observed by the followers.

Select the correct answer using the code given below.