I took the index in the words, transformed the selection to binary, included a few zeros, calculated the sha256 digest, took the first part of the hexadecimal to convert it to binary, included a few zeros into the eight digits of your binary and bought 00000010011 which interprets to 19 https://bookmarkeasier.com/story19463548/new-step-by-step-map-for-bip39-english-words