I took the index in the words, converted the variety to binary, extra a few zeros, calculated the sha256 digest, took the main A part of the hexadecimal to transform it to binary, added three zeros to the 8 digits in the binary and acquired 00000010011 which translates to 19 https://bbsocialclub.com/story20787513/considerations-to-know-about-bip39-seed-phrase-generator