I took the index on the words, transformed the quantity to binary, included a few zeros, calculated the sha256 digest, took the very first Component of the hexadecimal to convert it to binary, extra three zeros on the 8 digits of your binary and bought 00000010011 which interprets to 19 https://bookmarketmaven.com/story19575851/not-known-facts-about-bip39-english-words