I took the index in the words, converted the range to binary, additional 3 zeros, calculated the sha256 digest, took the 1st part of the hexadecimal to transform it to binary, added 3 zeros into the eight digits of the binary and acquired 00000010011 which interprets to 19 in decimal. https://bookmarksystem.com/story18642658/examine-this-report-on-bip39-mnemonic-phrase-tool