I took the index with the words, transformed the number to binary, extra a few zeros, calculated the sha256 digest, took the primary Section of the hexadecimal to convert it to binary, included three zeros on the 8 digits in the binary and bought 00000010011 which translates to 19 in https://esocialmall.com/story4197513/how-much-you-need-to-expect-you-ll-pay-for-a-good-valid-bip39-seed-phrase