Consider the following statements: 1.    Lalitgiri (the red hill), Ratnagiri (hill of precious gems), Udayagiri (the hill of the rising sun) are known as the diamond triangle of Odisha 2.    Diamond triangle of Odisha represents a rich heritage of architecture and sculpture of the Mauryan era 3.    Majority of the sculptures unearthed from excavation are the figures of Buddha in different postures belonging to Mahayanistic phase of Buddhism Which of the following statements given above is/are not correct?