I took the index with the words, transformed the range to binary, extra 3 zeros, calculated the sha256 digest, took the primary Section of the hexadecimal to transform it to binary, extra 3 zeros on the 8 digits of your binary and bought 00000010011 which translates to 19 in decimal. https://sergiorgzi464.weebly.com/blog/from-words-to-wealth-exactly-how-to-properly-use-bip39-passphrases-for-your-copyright-budgets