I took the index of your words, transformed the amount to binary, extra 3 zeros, calculated the sha256 digest, took the primary part of the hexadecimal to convert it to binary, additional 3 zeros to the 8 digits of your binary and acquired 00000010011 which translates to 19 in decimal. https://hotbookmarkings.com/story18823296/5-simple-techniques-for-bip39-seed-phrase