I took the index of your words, transformed the selection to binary, extra a few zeros, calculated the sha256 digest, took the main Element of the hexadecimal to transform it to binary, included a few zeros towards the 8 digits from the binary and received 00000010011 which translates to 19 https://userbookmark.com/story19107307/examine-this-report-on-bip39-mnemonic-phrase-tool