I took the index on the words, converted the number to binary, included 3 zeros, calculated the sha256 digest, took the primary Portion of the hexadecimal to convert it to binary, included a few zeros to your eight digits in the binary and got 00000010011 which translates to 19 in http://zanevnex175.lowescouponn.com/unlocking-the-power-of-bip39-an-extensive-consider-word-lists-and-secure-pocketbooks