I took the index with the words, converted the selection to binary, additional three zeros, calculated the sha256 digest, took the first Portion of the hexadecimal to convert it to binary, included three zeros for the 8 digits with the binary and acquired 00000010011 which translates to 19 in decimal. https://blogfreely.net/travenmdoq/h1-b-bip39-word-listing-explained-your-important-source-for-creating-secure