I took the index on the words, converted the quantity to binary, additional three zeros, calculated the sha256 digest, took the initial A part of the hexadecimal to transform it to binary, included a few zeros to the 8 digits on the binary and obtained 00000010011 which interprets to 19 https://advicebookmarks.com/story26406428/detailed-notes-on-copyright-wallet-seed-phrase-out-of-bip39