I took the index of the words, converted the variety to binary, extra 3 zeros, calculated the sha256 digest, took the first Portion of the hexadecimal to convert it to binary, additional three zeros on the 8 digits of the binary and got 00000010011 which translates to 19 in decimal. https://squareblogs.net/edelinepge/h1-b-recognizing-bip39-a-comprehensive-overview-to-mnemonic-expressions-and