I took the index from the words, transformed the selection to binary, extra three zeros, calculated the sha256 digest, took the primary Element of the hexadecimal to transform it to binary, additional a few zeros to your eight digits in the binary and obtained 00000010011 which interprets to 19 in https://ez-bookmarking.com/story19573219/how-much-you-need-to-expect-you-ll-pay-for-a-good-valid-bip39-seed-phrase