I took the index of your words, converted the number to binary, included three zeros, calculated the sha256 digest, took the main Component of the hexadecimal to transform it to binary, included 3 zeros towards the 8 digits of the binary and bought 00000010011 which interprets to 19 in decimal. https://bookmarksoflife.com/story4746567/examine-this-report-on-bip39-passphrase