I took the index in the words, transformed the selection to binary, included three zeros, calculated the sha256 digest, took the very first Component of the hexadecimal to transform it to binary, additional 3 zeros on the eight digits of your binary and got 00000010011 which interprets to 19 in https://socialmarkz.com/story9460081/how-much-you-need-to-expect-you-ll-pay-for-a-good-bip39-definition