I took the index in the words, converted the amount to binary, included 3 zeros, calculated the sha256 digest, took the initial A part of the hexadecimal to convert it to binary, added 3 zeros towards the 8 digits with the binary and got 00000010011 which translates to 19 in https://bookmark-master.com/story19641903/top-latest-five-bip39-seed-phrase-mnemonics-generator-urban-news