I took the index with the words, transformed the range to binary, additional 3 zeros, calculated the sha256 digest, took the primary Element of the hexadecimal to transform it to binary, extra 3 zeros on the 8 digits with the binary and acquired 00000010011 which translates to 19 in decimal. https://bookmarkstime.com/story19193590/not-known-facts-about-bip39-english-words