I took the index of the words, converted the selection to binary, included a few zeros, calculated the sha256 digest, took the primary Element of the hexadecimal to transform it to binary, additional three zeros into the eight digits of your binary and bought 00000010011 which interprets to 19 in https://artybookmarks.com/story18668312/a-secret-weapon-for-bip39-words-to-numbers