I took the index from the words, transformed the quantity to binary, extra a few zeros, calculated the sha256 digest, took the initial part of the hexadecimal to transform it to binary, added a few zeros to the 8 digits on the binary and acquired 00000010011 which translates to 19 https://altbookmark.com/story20480961/not-known-facts-about-bip39-english-words