I took the index on the words, converted the variety to binary, included three zeros, calculated the sha256 digest, took the very first Section of the hexadecimal to transform it to binary, added three zeros to your eight digits from the binary and received 00000010011 which translates to 19 in https://thesocialintro.com/story4339720/top-latest-five-bip39-seed-phrase-mnemonics-generator-urban-news