I took the index from the words, transformed the range to binary, extra a few zeros, calculated the sha256 digest, took the main Element of the hexadecimal to convert it to binary, extra a few zeros towards the eight digits from the binary and obtained 00000010011 which interprets to 19 https://bookmarkrange.com/story20392952/new-step-by-step-map-for-bip39-english-words