I took the index with the words, converted the amount to binary, included three zeros, calculated the sha256 digest, took the first A part of the hexadecimal to convert it to binary, additional 3 zeros for the eight digits on the binary and received 00000010011 which interprets to 19 in https://dirstop.com/story22065766/the-2-minute-rule-for-bip39-all-words