I took the index of the words, transformed the range to binary, additional 3 zeros, calculated the sha256 digest, took the first Portion of the hexadecimal to convert it to binary, additional 3 zeros towards the 8 digits of the binary and received 00000010011 which interprets to 19 in decimal. https://bookmarkspecial.com/story18995224/fascination-about-bip39-english-words