I took the index of your words, converted the amount to binary, additional 3 zeros, calculated the sha256 digest, took the primary Component of the hexadecimal to transform it to binary, included a few zeros into the eight digits of your binary and got 00000010011 which interprets to 19 in https://45listing.com/story20793574/the-ultimate-guide-to-bip39-seed-phrase-mnemonics-generator