I took the index of your words, converted the amount to binary, additional 3 zeros, calculated the sha256 digest, took the first Portion of the hexadecimal to transform it to binary, included a few zeros for the eight digits on the binary and got 00000010011 which translates to 19 in https://bookmark-rss.com/story18698849/examine-this-report-on-bip39-mnemonic-phrase-tool