I took the index from the words, converted the number to binary, additional 3 zeros, calculated the sha256 digest, took the 1st Component of the hexadecimal to transform it to binary, included a few zeros into the eight digits on the binary and obtained 00000010011 which interprets to 19 in https://crossbookmark.com/story18727801/a-review-of-bip39-phrase-list