I took the index of your words, converted the amount to binary, additional 3 zeros, calculated the sha256 digest, took the 1st Element of the hexadecimal to convert it to binary, added three zeros towards the 8 digits of your binary and bought 00000010011 which translates to 19 in decimal. https://tetrabookmarks.com/story18887363/helping-the-others-realize-the-advantages-of-bip39-mnemonic-phrase-tool