I took the index in the words, transformed the selection to binary, included a few zeros, calculated the sha256 digest, took the initial Element of the hexadecimal to transform it to binary, included three zeros to your eight digits of your binary and obtained 00000010011 which interprets to 19 in https://www.mediafire.com/file/qad32ryob76naol/pdf-7033-8222.pdf/file