I took the index in the words, transformed the variety to binary, added 3 zeros, calculated the sha256 digest, took the main Portion of the hexadecimal to transform it to binary, extra a few zeros towards the eight digits of the binary and acquired 00000010011 which interprets to 19 in https://bookmarkdistrict.com/story18745999/top-guidelines-of-bip39-word-list-pdf