I took the index of the words, transformed the number to binary, included three zeros, calculated the sha256 digest, took the main Component of the hexadecimal to convert it to binary, added 3 zeros for the eight digits on the binary and acquired 00000010011 which interprets to 19 in decimal. https://remingtonnjdi433.wordpress.com/2025/01/17/opening-the-world-of-bip39-a-comprehensive-overview-to-mnemonic-expressions-and-word-lists/