I took the index of your words, converted the number to binary, additional 3 zeros, calculated the sha256 digest, took the initial Element of the hexadecimal to convert it to binary, additional three zeros towards the eight digits of the binary and acquired 00000010011 which translates to 19 in decimal. https://bookmarkprobe.com/story19736317/how-much-you-need-to-expect-you-ll-pay-for-a-good-bip39-seed-phrase-mnemonics-generator