I took the index with the words, converted the number to binary, extra a few zeros, calculated the sha256 digest, took the primary Component of the hexadecimal to transform it to binary, extra 3 zeros for the 8 digits of your binary and received 00000010011 which interprets to 19 in http://zanevnex175.lowescouponn.com/unlocking-the-power-of-bip39-an-extensive-consider-word-lists-and-secure-pocketbooks