I took the index on the words, converted the quantity to binary, included 3 zeros, calculated the sha256 digest, took the main Portion of the hexadecimal to transform it to binary, extra 3 zeros towards the eight digits of the binary and acquired 00000010011 which translates to 19 in decimal. https://mirrorbookmarks.com/story19401977/the-invalid-bip39-phrase-diaries