I took the index in the words, converted the variety to binary, included a few zeros, calculated the sha256 digest, took the first A part of the hexadecimal to transform it to binary, additional three zeros towards the 8 digits from the binary and obtained 00000010011 which interprets to 19 https://friendlybookmark.com/story18852565/the-greatest-guide-to-seed-phrase-bip39