I took the index in the words, converted the amount to binary, additional 3 zeros, calculated the sha256 digest, took the first A part of the hexadecimal to convert it to binary, included 3 zeros on the 8 digits in the binary and acquired 00000010011 which translates to 19 in https://funny-lists.com/story19984352/helping-the-others-realize-the-advantages-of-bip39-seed-phrase-mnemonics-generator