I took the index of the words, transformed the number to binary, added 3 zeros, calculated the sha256 digest, took the primary A part of the hexadecimal to transform it to binary, extra three zeros towards the eight digits with the binary and obtained 00000010011 which interprets to 19 in https://bbsocialclub.com/story20788556/new-step-by-step-map-for-bip39-english-words