I took the index in the words, converted the amount to binary, extra 3 zeros, calculated the sha256 digest, took the 1st Component of the hexadecimal to transform it to binary, included a few zeros into the eight digits of the binary and got 00000010011 which translates to 19 in https://eternalbookmarks.com/story18748726/5-simple-techniques-for-bip39-word-list-pdf