I took the index of the words, transformed the amount to binary, extra 3 zeros, calculated the sha256 digest, took the very first part of the hexadecimal to transform it to binary, additional a few zeros into the eight digits with the binary and got 00000010011 which interprets to 19 https://esocialmall.com/story4184339/helping-the-others-realize-the-advantages-of-bip39-seed-phrase-mnemonics-generator