I took the index on the words, transformed the variety to binary, extra three zeros, calculated the sha256 digest, took the 1st A part of the hexadecimal to transform it to binary, added 3 zeros towards the eight digits of the binary and acquired 00000010011 which translates to 19 in https://thejillist.com/story9112517/facts-about-bip39-seed-phrase-github-revealed