I took the index of the words, transformed the number to binary, included three zeros, calculated the sha256 digest, took the 1st Element of the hexadecimal to convert it to binary, included a few zeros to the 8 digits on the binary and bought 00000010011 which interprets to 19 in https://madesocials.com/story4279203/little-known-facts-about-bip39-seed-phrase-list