I took the index on the words, converted the range to binary, included a few zeros, calculated the sha256 digest, took the 1st Section of the hexadecimal to convert it to binary, additional 3 zeros for the 8 digits in the binary and acquired 00000010011 which interprets to 19 in https://bookmarksea.com/story18883551/facts-about-bip39-seed-phrase-word-list-revealed