I took the index on the words, transformed the variety to binary, added a few zeros, calculated the sha256 digest, took the main Component of the hexadecimal to transform it to binary, added 3 zeros to your 8 digits with the binary and got 00000010011 which translates to 19 in https://getsocialselling.com/story4442197/the-invalid-bip39-phrase-diaries