I took the index from the words, transformed the amount to binary, additional 3 zeros, calculated the sha256 digest, took the initial Section of the hexadecimal to convert it to binary, extra a few zeros towards the eight digits on the binary and acquired 00000010011 which translates to 19 in https://bookmarkproduct.com/story18920507/an-unbiased-view-of-bip39-seed-phrase-github