I took the index of the words, transformed the selection to binary, additional 3 zeros, calculated the sha256 digest, took the very first Section of the hexadecimal to convert it to binary, extra a few zeros towards the 8 digits on the binary and got 00000010011 which translates to 19 https://thejillist.com/story9727447/new-step-by-step-map-for-bip39-english-words