I took the index on the words, converted the variety to binary, additional 3 zeros, calculated the sha256 digest, took the 1st Element of the hexadecimal to transform it to binary, included a few zeros into the 8 digits on the binary and obtained 00000010011 which interprets to 19 in https://ztndz.com/story22056672/examine-this-report-on-bip39-mnemonic-phrase-tool