I took the index of the words, transformed the number to binary, added a few zeros, calculated the sha256 digest, took the initial Portion of the hexadecimal to transform it to binary, extra three zeros into the 8 digits of the binary and bought 00000010011 which translates to 19 in https://listfav.com/story21256667/a-secret-weapon-for-bip39-words-to-numbers