I took the index from the words, converted the amount to binary, additional 3 zeros, calculated the sha256 digest, took the 1st Section of the hexadecimal to convert it to binary, additional three zeros towards the eight digits with the binary and received 00000010011 which translates to 19 in decimal. https://bookmarkoffire.com/story18793688/new-step-by-step-map-for-bip39-english-words