I took the index from the words, converted the quantity to binary, added three zeros, calculated the sha256 digest, took the very first Section of the hexadecimal to transform it to binary, included a few zeros into the eight digits of your binary and bought 00000010011 which interprets to 19 https://bookmarkchamp.com/story18846929/helping-the-others-realize-the-advantages-of-bip39-mnemonic-phrase-tool