I took the index from the words, transformed the quantity to binary, additional a few zeros, calculated the sha256 digest, took the very first Element of the hexadecimal to transform it to binary, extra three zeros on the eight digits of your binary and acquired 00000010011 which translates to 19 https://mysocialguides.com/story4244275/the-fact-about-valid-bip39-seed-phrase-that-no-one-is-suggesting