I took the index of the words, converted the number to binary, added three zeros, calculated the sha256 digest, took the very first Portion of the hexadecimal to transform it to binary, additional three zeros on the eight digits on the binary and acquired 00000010011 which translates to 19 in https://wisesocialsmedia.com/story4331901/getting-my-bip39-words-to-numbers-to-work