I took the index of the words, transformed the variety to binary, additional three zeros, calculated the sha256 digest, took the 1st Component of the hexadecimal to transform it to binary, extra three zeros to the 8 digits from the binary and bought 00000010011 which interprets to 19 in decimal. https://reallivesocial.com/story5195214/the-ultimate-guide-to-bip39-seed-phrase-github