I took the index on the words, transformed the quantity to binary, additional 3 zeros, calculated the sha256 digest, took the very first Component of the hexadecimal to transform it to binary, included a few zeros into the 8 digits from the binary and acquired 00000010011 which translates to 19 https://socialistener.com/story4291639/5-simple-techniques-for-bip39-word-list-pdf