I took the index from the words, converted the amount to binary, extra three zeros, calculated the sha256 digest, took the first Element of the hexadecimal to convert it to binary, additional three zeros towards the 8 digits from the binary and acquired 00000010011 which translates to 19 in decimal. https://highkeysocial.com/story4395615/how-much-you-need-to-expect-you-ll-pay-for-a-good-bip39-definition