I took the index of the words, converted the number to binary, additional a few zeros, calculated the sha256 digest, took the first Section of the hexadecimal to convert it to binary, additional three zeros on the eight digits in the binary and acquired 00000010011 which interprets to 19 in https://modernbookmarks.com/story18646280/facts-about-bip39-seed-phrase-word-list-revealed