I took the index with the words, transformed the number to binary, included 3 zeros, calculated the sha256 digest, took the very first part of the hexadecimal to transform it to binary, extra three zeros into the eight digits of your binary and acquired 00000010011 which interprets to 19 in https://guidemysocial.com/story4555959/top-latest-five-bip39-seed-phrase-mnemonics-generator-urban-news