I took the index with the words, transformed the range to binary, extra 3 zeros, calculated the sha256 digest, took the main part of the hexadecimal to convert it to binary, added a few zeros to your eight digits on the binary and acquired 00000010011 which translates to 19 in https://tealbookmarks.com/story18791828/top-latest-five-bip39-words-urban-news