I took the index in the words, transformed the selection to binary, added 3 zeros, calculated the sha256 digest, took the first A part of the hexadecimal to convert it to binary, additional three zeros to your eight digits with the binary and obtained 00000010011 which translates to 19 in https://geniusbookmarks.com/story18792695/top-latest-five-bip39-words-urban-news