I took the index in the words, transformed the quantity to binary, added 3 zeros, calculated the sha256 digest, took the first Component of the hexadecimal to transform it to binary, added 3 zeros into the eight digits from the binary and received 00000010011 which interprets to 19 in decimal. https://enrollbookmarks.com/story18978636/the-greatest-guide-to-seed-phrase-bip39