I took the index in the words, converted the variety to binary, included three zeros, calculated the sha256 digest, took the 1st A part of the hexadecimal to transform it to binary, extra a few zeros for the 8 digits from the binary and obtained 00000010011 which translates to 19 https://bookmarkusers.com/story18850583/examine-this-report-on-bip39-mnemonic-phrase-tool