I took the index with the words, transformed the amount to binary, extra three zeros, calculated the sha256 digest, took the very first Section of the hexadecimal to transform it to binary, additional 3 zeros towards the eight digits from the binary and received 00000010011 which interprets to 19 in https://push2bookmark.com/story18972382/considerations-to-know-about-bip39-seed-phrase-generator