I took the index of the words, converted the range to binary, included a few zeros, calculated the sha256 digest, took the very first Portion of the hexadecimal to transform it to binary, extra 3 zeros to the 8 digits of your binary and acquired 00000010011 which interprets to 19 https://dftsocial.com/story19599337/helping-the-others-realize-the-advantages-of-bip39-seed-phrase-mnemonics-generator