I took the index of your words, converted the amount to binary, additional 3 zeros, calculated the sha256 digest, took the primary Element of the hexadecimal to transform it to binary, included a few zeros to your 8 digits from the binary and got 00000010011 which translates to 19 in https://social40.com/story4612951/detailed-notes-on-copyright-wallet-seed-phrase-out-of-bip39