I took the index from the words, transformed the quantity to binary, extra a few zeros, calculated the sha256 digest, took the very first Component of the hexadecimal to transform it to binary, additional 3 zeros into the 8 digits of the binary and received 00000010011 which translates to 19 https://bookmarkick.com/story19643777/helping-the-others-realize-the-advantages-of-bip39-seed-phrase-mnemonics-generator