I took the index of the words, converted the selection to binary, additional three zeros, calculated the sha256 digest, took the main Portion of the hexadecimal to transform it to binary, added 3 zeros into the 8 digits of your binary and received 00000010011 which translates to 19 in decimal. https://hindibookmark.com/story21311349/invalid-bip39-phrase-things-to-know-before-you-buy