I took the index in the words, transformed the number to binary, additional 3 zeros, calculated the sha256 digest, took the primary Portion of the hexadecimal to convert it to binary, included a few zeros towards the 8 digits in the binary and acquired 00000010011 which translates to 19 in https://e-bookmarks.com/story5251764/the-definitive-guide-to-bip39-seed-phrase