I took the index on the words, transformed the quantity to binary, extra three zeros, calculated the sha256 digest, took the primary Portion of the hexadecimal to transform it to binary, included three zeros on the 8 digits of the binary and got 00000010011 which translates to 19 in decimal. https://scrapbookmarket.com/story19473559/examine-this-report-on-bip39-passphrase