I took the index in the words, transformed the number to binary, added a few zeros, calculated the sha256 digest, took the first part of the hexadecimal to convert it to binary, added a few zeros into the eight digits of the binary and obtained 00000010011 which interprets to 19 https://ilovebookmarking.com/story18907078/the-2-minute-rule-for-bip39-all-words