I took the index of the words, converted the variety to binary, extra 3 zeros, calculated the sha256 digest, took the main part of the hexadecimal to convert it to binary, added a few zeros for the 8 digits with the binary and obtained 00000010011 which translates to 19 in https://guidemysocial.com/story4390037/the-definitive-guide-to-bip39-seed-phrase