I took the index from the words, transformed the number to binary, included a few zeros, calculated the sha256 digest, took the main part of the hexadecimal to convert it to binary, additional three zeros for the 8 digits in the binary and acquired 00000010011 which translates to 19 in https://bookmarkport.com/story21031564/the-ultimate-guide-to-bip39-seed-phrase-mnemonics-generator