I took the index with the words, converted the variety to binary, extra three zeros, calculated the sha256 digest, took the 1st A part of the hexadecimal to transform it to binary, included three zeros into the eight digits in the binary and bought 00000010011 which translates to 19 in https://nanobookmarking.com/story19390034/examine-this-report-on-bip39-passphrase