I took the index from the words, transformed the quantity to binary, added 3 zeros, calculated the sha256 digest, took the very first Portion of the hexadecimal to transform it to binary, additional a few zeros on the eight digits on the binary and acquired 00000010011 which interprets to 19 https://sparxsocial.com/story9346210/the-fact-about-valid-bip39-seed-phrase-that-no-one-is-suggesting