I took the index of your words, converted the variety to binary, included 3 zeros, calculated the sha256 digest, took the main Element of the hexadecimal to convert it to binary, extra a few zeros to the eight digits from the binary and bought 00000010011 which translates to 19 in https://ilovebookmark.com/story18884724/the-2-minute-rule-for-bip39-all-words