I took the index on the words, transformed the range to binary, included a few zeros, calculated the sha256 digest, took the 1st A part of the hexadecimal to convert it to binary, extra a few zeros for the eight digits of your binary and got 00000010011 which translates to https://sociallytraffic.com/story3708690/considerations-to-know-about-bip39-word-list-pdf