I took the index on the words, transformed the number to binary, included a few zeros, calculated the sha256 digest, took the 1st part of the hexadecimal to transform it to binary, additional a few zeros for the 8 digits from the binary and acquired 00000010011 which interprets to 19 https://bookmarkinglife.com/story4523190/examine-this-report-on-bip39-mnemonic-phrase-tool