There's a 14th century composition of, I think 40 verses or so in Sanskrit, that when read forwards relates events from the Ramayana and when read backwards, re

There's a 14th century composition of, I think 40 verses or so in Sanskrit, that when read forwards relates events from the Ramayana and when read backwards, relates events from the Mahabharata. The musical notes to which it is set is also palindromic. Here's a video explaining one such verse: https://www.youtube.com/watch?v=Y4KuL_dUMZc https://www.youtube.com/watch?v=Y4KuL_dUMZc