I took the index in the words, transformed the quantity to binary, added 3 zeros, calculated the sha256 digest, took the main Portion of the hexadecimal to convert it to binary, extra three zeros to your 8 digits in the binary and bought 00000010011 which translates to 19 in decimal. https://bookmarkunit.com/story19337506/top-latest-five-bip39-seed-phrase-mnemonics-generator-urban-news