I took the index in the words, converted the variety to binary, additional three zeros, calculated the sha256 digest, took the 1st Element of the hexadecimal to convert it to binary, included three zeros into the 8 digits from the binary and obtained 00000010011 which interprets to 19 in decimal. https://nowbookmarks.com/story18858667/top-latest-five-bip39-seed-phrase-mnemonics-generator-urban-news