I took the index from the words, transformed the amount to binary, included 3 zeros, calculated the sha256 digest, took the initial Portion of the hexadecimal to transform it to binary, included 3 zeros for the 8 digits with the binary and received 00000010011 which translates to 19 in decimal. http://jaspermuxp089.yousher.com/from-mnemonics-to-security-comprehending-bip39-passphrases-and-their-significance-in-copyright