I took the index of the words, transformed the variety to binary, included 3 zeros, calculated the sha256 digest, took the very first Component of the hexadecimal to transform it to binary, added three zeros towards the 8 digits on the binary and acquired 00000010011 which translates to 19 in https://bookmarkangaroo.com/story18943542/little-known-facts-about-bip39-words