I took the index on the words, transformed the selection to binary, additional 3 zeros, calculated the sha256 digest, took the initial Component of the hexadecimal to convert it to binary, additional three zeros on the eight digits on the binary and acquired 00000010011 which interprets to 19 in decimal. https://tinybookmarks.com/story18939021/new-step-by-step-map-for-bip39-english-words