I took the index of the words, transformed the number to binary, additional 3 zeros, calculated the sha256 digest, took the main Portion of the hexadecimal to convert it to binary, additional three zeros towards the 8 digits of your binary and received 00000010011 which translates to 19 in decimal. https://travialist.com/story9110237/top-latest-five-bip39-seed-phrase-mnemonics-generator-urban-news