I took the index of the words, transformed the number to binary, included three zeros, calculated the sha256 digest, took the very first Portion of the hexadecimal to convert it to binary, added three zeros into the eight digits with the binary and obtained 00000010011 which translates to 19 in https://lingeriebookmark.com/story8749200/how-much-you-need-to-expect-you-ll-pay-for-a-good-valid-bip39-seed-phrase