I took the index of your words, transformed the number to binary, extra 3 zeros, calculated the sha256 digest, took the main part of the hexadecimal to transform it to binary, extra 3 zeros on the eight digits on the binary and acquired 00000010011 which translates to 19 in decimal. https://bookmarkspiral.com/story18835336/how-much-you-need-to-expect-you-ll-pay-for-a-good-bip39-definition