I took the index of your words, transformed the selection to binary, additional three zeros, calculated the sha256 digest, took the primary Component of the hexadecimal to transform it to binary, additional three zeros on the eight digits in the binary and bought 00000010011 which translates to 19 in decimal. https://captainbookmark.com/story18822149/helping-the-others-realize-the-advantages-of-bip39-mnemonic-phrase-tool