I took the index with the words, converted the quantity to binary, extra three zeros, calculated the sha256 digest, took the primary Portion of the hexadecimal to convert it to binary, added 3 zeros on the eight digits of the binary and acquired 00000010011 which translates to 19 in decimal. https://pr8bookmarks.com/story18881843/getting-my-bip39-words-to-numbers-to-work