I took the index from the words, transformed the selection to binary, included a few zeros, calculated the sha256 digest, took the main Component of the hexadecimal to transform it to binary, extra three zeros to the eight digits of the binary and received 00000010011 which translates to 19 in https://myfirstbookmark.com/story18829043/new-step-by-step-map-for-bip39-english-words