I took the index in the words, converted the amount to binary, additional three zeros, calculated the sha256 digest, took the 1st Element of the hexadecimal to transform it to binary, extra 3 zeros into the eight digits from the binary and received 00000010011 which translates to 19 in decimal. https://bookmarkextent.com/story20460746/how-much-you-need-to-expect-you-ll-pay-for-a-good-valid-bip39-seed-phrase