I took the index on the words, converted the amount to binary, included 3 zeros, calculated the sha256 digest, took the main Section of the hexadecimal to transform it to binary, additional a few zeros towards the 8 digits on the binary and received 00000010011 which translates to 19 in https://throbsocial.com/story20915385/the-fact-about-bip39-seed-phrase-word-list-that-no-one-is-suggesting