I took the index on the words, transformed the selection to binary, additional a few zeros, calculated the sha256 digest, took the very first Section of the hexadecimal to transform it to binary, extra three zeros towards the 8 digits from the binary and received 00000010011 which interprets to 19 https://www.slideserve.com/lewarthbfp/bip39-word-list-explained-your-essential-source-for-creating-secure-purses-in-t