I took the index with the words, converted the variety to binary, extra 3 zeros, calculated the sha256 digest, took the 1st Component of the hexadecimal to convert it to binary, additional three zeros into the eight digits with the binary and received 00000010011 which interprets to 19 in decimal. https://sb-bookmarking.com/story18868517/the-2-minute-rule-for-bip39-all-words