I took the index on the words, converted the quantity to binary, extra three zeros, calculated the sha256 digest, took the very first Portion of the hexadecimal to convert it to binary, included a few zeros towards the 8 digits from the binary and received 00000010011 which translates to 19 https://thesocialroi.com/story9427096/the-basic-principles-of-bip39-passphrase-generator