I took the index of the words, converted the number to binary, added 3 zeros, calculated the sha256 digest, took the 1st Portion of the hexadecimal to transform it to binary, extra a few zeros to the eight digits with the binary and obtained 00000010011 which interprets to 19 in https://thesocialvibes.com/story4290695/the-invalid-bip39-phrase-diaries