I took the index from the words, converted the amount to binary, included a few zeros, calculated the sha256 digest, took the 1st Section of the hexadecimal to transform it to binary, added three zeros for the 8 digits on the binary and obtained 00000010011 which interprets to 19 in https://dmozbookmark.com/story18837120/the-5-second-trick-for-ledger-seed-phrase-bip39