I took the index of your words, converted the number to binary, extra 3 zeros, calculated the sha256 digest, took the primary Section of the hexadecimal to transform it to binary, extra a few zeros to the 8 digits from the binary and received 00000010011 which translates to 19 in https://funbookmarking.com/story18787816/the-fact-about-bip39-seed-phrase-word-list-that-no-one-is-suggesting