I took the index on the words, transformed the selection to binary, additional a few zeros, calculated the sha256 digest, took the very first Element of the hexadecimal to convert it to binary, included three zeros on the eight digits in the binary and bought 00000010011 which translates to 19 https://blogfreely.net/travenmdoq/h1-b-bip39-word-listing-explained-your-important-source-for-creating-secure