I took the index from the words, converted the number to binary, added three zeros, calculated the sha256 digest, took the first Portion of the hexadecimal to convert it to binary, additional three zeros to the 8 digits of the binary and bought 00000010011 which interprets to 19 in decimal. https://getsocialpr.com/story19864664/examine-this-report-on-bip39-mnemonic-phrase-tool