I took the index in the words, converted the variety to binary, extra 3 zeros, calculated the sha256 digest, took the main part of the hexadecimal to convert it to binary, added a few zeros into the eight digits with the binary and acquired 00000010011 which translates to 19 in https://bookmarkfox.com/story4351000/little-known-facts-about-bip39-seed-phrase-list