I took the index on the words, transformed the range to binary, extra a few zeros, calculated the sha256 digest, took the very first Portion of the hexadecimal to transform it to binary, additional 3 zeros towards the eight digits of your binary and bought 00000010011 which translates to 19 https://bookmarkblast.com/story18961860/5-simple-techniques-for-bip39-seed-phrase