I took the index of your words, transformed the number to binary, included three zeros, calculated the sha256 digest, took the 1st Portion of the hexadecimal to convert it to binary, included a few zeros to the eight digits in the binary and received 00000010011 which interprets to 19 in https://franciscougju442.bravesites.com/entries/general/Opening-the-Power-of-BIP39-An-Extensive-Consider-Word-Lists-and-Secure-Budgets