Consider the following statements regarding Hoysala art: 1. The Hoysala style (1050-1300 AD) developed in the southern region of Karnataka. 2. The beginning of Hoysala art can be traced to the early Chalukya temples in Aihole, Badami, and Pattadakal. 3. An important monument employing this art is the Keshava Temple located in Belur. 4. Besides the architectural plan, the Hoysala style acquired some more specific characteristics. For example, chloritic schist was abandoned due to the more readily available sandstone. Which of the statement/statements given above is/are correct?