I took the index of your words, transformed the amount to binary, included three zeros, calculated the sha256 digest, took the first A part of the hexadecimal to convert it to binary, additional 3 zeros to your eight digits from the binary and got 00000010011 which translates to 19 in https://easiestbookmarks.com/story19106472/top-latest-five-bip39-words-urban-news