I took the index from the words, converted the selection to binary, included a few zeros, calculated the sha256 digest, took the main part of the hexadecimal to convert it to binary, included 3 zeros for the 8 digits of the binary and received 00000010011 which interprets to 19 in https://www.livebinders.com/b/3631513?tabid=7dd978d9-81c0-05c0-ecba-7d3b4f616e73