I took the index on the words, transformed the range to binary, extra 3 zeros, calculated the sha256 digest, took the main part of the hexadecimal to convert it to binary, included a few zeros to your 8 digits of the binary and bought 00000010011 which interprets to 19 in https://bookmarkassist.com/story18713334/how-much-you-need-to-expect-you-ll-pay-for-a-good-valid-bip39-seed-phrase