I took the index of the words, transformed the number to binary, additional 3 zeros, calculated the sha256 digest, took the primary Component of the hexadecimal to convert it to binary, added a few zeros towards the 8 digits in the binary and acquired 00000010011 which translates to 19 in https://hindibookmark.com/story20595513/helping-the-others-realize-the-advantages-of-bip39-mnemonic-phrase-tool