I took the index of the words, converted the range to binary, included three zeros, calculated the sha256 digest, took the main part of the hexadecimal to convert it to binary, included 3 zeros for the 8 digits in the binary and acquired 00000010011 which translates to 19 in decimal. https://socialbookmarkgs.com/story18905121/considerations-to-know-about-bip39-seed-phrase-generator