I took the index in the words, converted the variety to binary, extra 3 zeros, calculated the sha256 digest, took the 1st A part of the hexadecimal to convert it to binary, additional 3 zeros for the 8 digits in the binary and received 00000010011 which interprets to 19 in https://bookmarkalexa.com/story4688073/5-simple-techniques-for-bip39-seed-phrase