I took the index with the words, converted the variety to binary, added 3 zeros, calculated the sha256 digest, took the first A part of the hexadecimal to convert it to binary, extra 3 zeros into the eight digits in the binary and acquired 00000010011 which interprets to 19 in https://seobookmarkpro.com/story19007121/bip39-seed-phrase-fundamentals-explained