I took the index in the words, transformed the quantity to binary, included a few zeros, calculated the sha256 digest, took the 1st Portion of the hexadecimal to transform it to binary, included a few zeros to your eight digits on the binary and got 00000010011 which interprets to 19 https://onelifesocial.com/story4982225/examine-this-report-on-bip39-passphrase