Consider the following statements regarding Hoysala art.
1. The Hoysala style (1050 -1300 AD) developed in the southern region of Karnataka.
2. Hoysala art may be said to have its starting point in the temples of the early Chalukyas at Aihole, Badami and Pattadkal.
3. An important monument employing this art is the Kesava temple at Belur.
4. Apart from the architectural plan, the Hoysala style attained a few more distinguishing characteristics. For instance, chloritic schist was given up in favour of more tractable sandstone.
Which of the statements given above are correct?