I took the index in the words, converted the range to binary, additional 3 zeros, calculated the sha256 digest, took the main Element of the hexadecimal to convert it to binary, extra 3 zeros towards the 8 digits of the binary and bought 00000010011 which interprets to 19 in decimal. https://bbsocialclub.com/story21049631/5-simple-techniques-for-bip39-word-list-pdf