I took the index of the words, converted the number to binary, extra a few zeros, calculated the sha256 digest, took the very first Component of the hexadecimal to transform it to binary, extra 3 zeros to the eight digits with the binary and acquired 00000010011 which translates to 19 https://nowbookmarks.com/story18979390/bip39-seed-phrase-mnemonics-generator-an-overview