I took the index from the words, converted the quantity to binary, added 3 zeros, calculated the sha256 digest, took the very first Section of the hexadecimal to transform it to binary, additional 3 zeros to the 8 digits from the binary and received 00000010011 which translates to 19 in https://bookmarkextent.com/story20456466/considerations-to-know-about-bip39-seed-phrase-generator