I took the index with the words, transformed the number to binary, extra three zeros, calculated the sha256 digest, took the main Element of the hexadecimal to convert it to binary, additional three zeros on the 8 digits of the binary and acquired 00000010011 which translates to 19 in decimal. https://todaybookmarks.com/story19103190/5-simple-techniques-for-bip39-seed-phrase