I took the index on the words, converted the quantity to binary, additional a few zeros, calculated the sha256 digest, took the initial Portion 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 https://mediajx.com/story21765401/the-2-minute-rule-for-bip39-all-words