I took the index of the words, converted the quantity to binary, additional a few zeros, calculated the sha256 digest, took the 1st A part of the hexadecimal to convert it to binary, extra 3 zeros on the eight digits in the binary and received 00000010011 which translates to 19 https://listfav.com/story20268995/considerations-to-know-about-bip39-seed-phrase-generator