I took the index of the words, transformed the amount to binary, additional a few zeros, calculated the sha256 digest, took the primary Section of the hexadecimal to transform it to binary, included three zeros on the eight digits from the binary and acquired 00000010011 which interprets to 19 in https://bookmarkworm.com/story18990285/considerations-to-know-about-bip39-word-list-pdf