I took the index on the words, converted the amount to binary, additional three zeros, calculated the sha256 digest, took the primary Component of the hexadecimal to transform it to binary, extra 3 zeros into the eight digits with the binary and obtained 00000010011 which interprets to 19 in decimal. https://bookmarkassist.com/story18838196/detailed-notes-on-copyright-wallet-seed-phrase-out-of-bip39