I took the index in the words, converted the selection to binary, included a few zeros, calculated the sha256 digest, took the main part of the hexadecimal to transform it to binary, included a few zeros to the eight digits of your binary and obtained 00000010011 which translates to 19 https://bookmarkingquest.com/story18745316/the-2-minute-rule-for-bip39-all-words