I took the index in the words, converted the variety to binary, extra 3 zeros, calculated the sha256 digest, took the primary Component of the hexadecimal to transform it to binary, included 3 zeros on the 8 digits of the binary and got 00000010011 which translates to 19 in decimal. https://techonpage.com/story4203038/facts-about-bip39-seed-phrase-github-revealed