I took the index of the words, transformed the selection to binary, extra three zeros, calculated the sha256 digest, took the primary part of the hexadecimal to transform it to binary, additional three zeros on the eight digits from the binary and obtained 00000010011 which interprets to 19 in decimal. https://mediajx.com/story21905874/how-much-you-need-to-expect-you-ll-pay-for-a-good-bip39-definition