I took the index from the words, converted the quantity to binary, additional three zeros, calculated the sha256 digest, took the initial Section of the hexadecimal to transform it to binary, additional 3 zeros for the 8 digits with the binary and got 00000010011 which interprets to 19 in decimal. https://socialmediaentry.com/story4268363/a-review-of-bip39-phrase-list