I took the index on the words, transformed the amount to binary, extra 3 zeros, calculated the sha256 digest, took the initial Section of the hexadecimal to convert it to binary, extra three zeros towards the 8 digits with the binary and acquired 00000010011 which interprets to 19 in decimal. https://zanybookmarks.com/story19005885/the-definitive-guide-to-bip39-seed-phrase