I took the index on the words, transformed the amount to binary, extra 3 zeros, calculated the sha256 digest, took the primary part of the hexadecimal to transform it to binary, included 3 zeros on the eight digits of your binary and bought 00000010011 which translates to 19 in decimal. https://socialwebconsult.com/story4212976/the-invalid-bip39-phrase-diaries