I took the index on the words, transformed the amount to binary, added a few zeros, calculated the sha256 digest, took the primary Section of the hexadecimal to convert it to binary, extra 3 zeros towards the eight digits on the binary and acquired 00000010011 which translates to 19 in https://agency-social.com/story4039278/the-definitive-guide-to-bip39-seed-phrase