I took the index of the words, transformed the amount to binary, included three zeros, calculated the sha256 digest, took the very first Component of the hexadecimal to convert it to binary, extra a few zeros on the 8 digits from the binary and acquired 00000010011 which translates to 19 https://socialdosa.com/story8641787/helping-the-others-realize-the-advantages-of-bip39-mnemonic-phrase-tool