I took the index of the words, converted the range to binary, included a few zeros, calculated the sha256 digest, took the 1st Element of the hexadecimal to transform it to binary, added three zeros to your eight digits of the binary and acquired 00000010011 which interprets to 19 in https://linkingbookmark.com/story18728364/not-known-facts-about-bip39-english-words