I took the index of your words, converted the amount to binary, extra 3 zeros, calculated the sha256 digest, took the primary Portion of the hexadecimal to convert it to binary, extra 3 zeros to the 8 digits of your binary and acquired 00000010011 which interprets to 19 in decimal. https://geilebookmarks.com/story18751819/details-fiction-and-bip39