I took the index of the words, converted the quantity to binary, extra 3 zeros, calculated the sha256 digest, took the main Element of the hexadecimal to convert it to binary, additional 3 zeros to the 8 digits with the binary and got 00000010011 which translates to 19 in decimal. https://socialclubfm.com/story10262078/fascination-about-bip39-english-words