I took the index of the words, converted the selection to binary, added 3 zeros, calculated the sha256 digest, took the 1st Section of the hexadecimal to transform it to binary, additional a few zeros to the eight digits of the binary and got 00000010011 which interprets to 19 in https://thesocialintro.com/story4340225/examine-this-report-on-bip39-passphrase