I took the index in the words, transformed the range to binary, extra 3 zeros, calculated the sha256 digest, took the primary A part of the hexadecimal to convert it to binary, added three zeros to the eight digits in the binary and acquired 00000010011 which interprets to 19 in https://keybookmarks.com/story18943147/examine-this-report-on-bip39-mnemonic-phrase-tool