I took the index in the words, transformed the selection to binary, included a few zeros, calculated the sha256 digest, took the first Section of the hexadecimal to transform it to binary, additional 3 zeros for the 8 digits of your binary and got 00000010011 which interprets to 19 in http://collinmmss433.lucialpiazzale.com/opening-the-power-of-bip39-a-comprehensive-check-out-word-lists-and-secure-pocketbooks