I took the index from the words, converted the amount to binary, additional a few zeros, calculated the sha256 digest, took the primary Section of the hexadecimal to convert it to binary, added a few zeros to the eight digits of the binary and got 00000010011 which translates to 19 https://bookmarksystem.com/story18753968/helping-the-others-realize-the-advantages-of-bip39-seed-phrase-mnemonics-generator