I took the index of the words, converted the variety to binary, extra 3 zeros, calculated the sha256 digest, took the primary Component of the hexadecimal to transform it to binary, additional 3 zeros towards the eight digits from the binary and received 00000010011 which translates to 19 in decimal. https://socialmediainuk.com/story20320060/bip39-phrase-generator-can-be-fun-for-anyone