I took the index with the words, transformed the amount to binary, included a few zeros, calculated the sha256 digest, took the initial Section of the hexadecimal to convert it to binary, extra a few zeros to the 8 digits from the binary and received 00000010011 which translates to 19 https://social-lyft.com/story8644648/helping-the-others-realize-the-advantages-of-bip39-seed-phrase-mnemonics-generator