Structure of naturally occurring steroid cholesterol is given:Which of the following statements is/are correct?

Chiral centres are at carbon number: 3, 5, 8,9, 10, 13,14, 17, and 20 (total nine chiral centres)4° C are at C-10 and C-13.3° C are at C-5, C-8, C-9, C-14, C-17, C-20, and C-25.