I took the index of the words, transformed the quantity to binary, included three zeros, calculated the sha256 digest, took the first Component of the hexadecimal to convert it to binary, added a few zeros to the 8 digits in the binary and received 00000010011 which translates to 19 in https://geilebookmarks.com/story18790767/not-known-facts-about-bip39-english-words